SWM / Schweitzer-Mauduit International, Inc. - SEC फाइलिंग, वार्षिक रिपोर्ट, प्रॉक्सी स्टेटमेंट

श्वित्ज़र-मौदुइट इंटरनेशनल, इंक.
US ˙ NYSE ˙ US8085411069
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मूलभूत आँकड़े
LEI 549300Z1FU4IDULG1R21
CIK 1000623
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Schweitzer-Mauduit International, Inc.
SEC Filings (Chronological Order)
यह पृष्ठ SEC फाइलिंग की एक पूरी, कालानुक्रमिक सूची प्रदान करता है, ओनरशिप फाइलिंग को छोड़कर, जो हम अन्यत्र प्रदान करते हैं।
August 7, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (S

August 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 August 6, 2025 Date of Report (Date of earliest event reported) (Commission file nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 August 6, 2025 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpor

August 6, 2025 EX-99.1

Mativ Announces Second Quarter 2025 Results

Exhibit 99.1 Mativ Announces Second Quarter 2025 Results ALPHARETTA, GA, August 6, 2025 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months ended June 30, 2025. Adjusted measures are reconciled to GAAP at the end of this release. Financial comparisons are versus the prior year period unless stated otherwise. Figures may not sum to total du

June 27, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 [ ] TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 1-13948 A. Full title of the Plan

June 27, 2025 EX-99.1

Mativ Holdings, Inc. 401(k) Retirement Plan (formerly SWM Retirement Savings Plan II) Financial Statements and Supplemental Schedules

Exhibit 99.1 MATIV HOLDINGS, INC. 401(K) RETIREMENT PLAN (FORMERLY SWM RETIREMENT SAVINGS PLAN II) Financial Statements as of December 31, 2024 and 2023 and for the Year Ended December 31, 2024, Supplemental Schedules as of and for the year ended December 31, 2024 and Reports of Independent Registered Public Accounting Firm MATIV HOLDINGS, INC. 401(K) RETIREMENT PLAN (FORMERLY SWM RETIREMENT SAVIN

June 4, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 4, 2025 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorporat

June 4, 2025 EX-99.1

Investor Overview 2025 Forward Looking Statements, Non-GAAP Disclosure, & Definitions 2 This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 and other federal securities

Investor Overview 2025 Forward Looking Statements, Non-GAAP Disclosure, & Definitions 2 This presentation may contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 and other federal securities laws that are subject to the safe harbor created by such laws and other legal protections.

May 23, 2025 EX-10.1

, 2025, by and between the Company and Michael W. Rickheim.

Exhibit 10.1 SEPARATION AGREEMENT AND GENERAL WAIVER AND RELEASE This Separation Agreement and General Waiver and Release (“Agreement”) is made by and between Mativ Holdings, Inc. and Neenah, Inc. (hereinafter, collectively the “Company”), and Michael W. Rickheim (hereinafter, “Employee”). The Company and Employee are each referred to as a “Party” and collectively as the “Parties.” The Effective D

May 23, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 May 23, 2025 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorporat

May 8, 2025 S-8

As filed with the Securities and Exchange Commission on May 8, 2025

As filed with the Securities and Exchange Commission on May 8, 2025 Registration No.

May 8, 2025 EX-FILING FEES

Table 1: Newly Registered Securities

Calculation of Filing Fee Tables S-8 Mativ Holdings, Inc. Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Common Stock, par value $0.10 per share Other 2,300,000 $ 5.27 $ 12,121,000.00 0.0001531 $ 1,855.73 Total Offeri

May 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (

May 7, 2025 EX-99.1

Mativ Announces First Quarter 2025 Results

Exhibit 99.1 Mativ Announces First Quarter 2025 Results ALPHARETTA, GA, May 7, 2025 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months ended March 31, 2025. Adjusted measures are reconciled to GAAP at the end of this release. Financial comparisons are versus the prior year period unless stated otherwise. Figures may not sum to total due t

May 7, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 May 7, 2025 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorporati

May 2, 2025 EX-10.1

Amendment No. 1 to the Mativ Holdings, Inc. 2024 Equity and Incentive Plan

AMENDMENT NO. 1 TO MATIV HOLDINGS, INC. 2024 EQUITY AND INCENTIVE PLAN WHEREAS, Mativ Holdings, Inc. (the “Company”) has heretofore adopted the Mativ Holdings, Inc. 2024 Equity and Incentive Plan (the “Plan”) which was approved by stockholders effective April 24, 2024 at the Company’s 2024 Annual Meeting of Stockholders; and WHEREAS, the Company wishes to amend the Plan to increase the number of s

May 2, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 April 30, 2025 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpor

April 22, 2025 CORRESP

* * * * *

Via EDGAR April 22, 2025 Mindy Hooker & Hugh West Division of Corporation Finance United States Securities and Exchange Commission 100 F Street N.

March 21, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  ☐ Def

March 21, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  ☐ Def

March 11, 2025 EX-99.1

Mativ Appoints Shruti Singhal as President and CEO Singhal, Current Mativ Director, Brings Experience Leading Business Transformations and Strong Operational Execution in the Specialty Materials Industry

Exhibit 99.1 Mativ Appoints Shruti Singhal as President and CEO Singhal, Current Mativ Director, Brings Experience Leading Business Transformations and Strong Operational Execution in the Specialty Materials Industry ALPHARETTA, Ga.– March 11, 2025 –Mativ Holdings, Inc. (NYSE: MATV) today announced the appointment of Shruti Singhal, current member of Mativ’s Board of Directors, as President and Ch

March 11, 2025 EX-10.1

Offer Letter, dated March 11, 2025, between the Company and Shruti Singhal.

Exhibit 10.1 PERSONAL AND CONFIDENTIAL March 11, 2025 Shruti Singhal Dear Mr. Singhal, Congratulations on your appointment as the next President and Chief Executive Officer of Mativ Holdings, Inc. We are pleased to present you with this offer of employment (this “Employment Letter”) to memorialize the terms of your appointment. Employer (Legal Entity): Mativ Holdings, Inc. (the “Company”). Positio

March 11, 2025 EX-3.1

Amended and Restated Bylaws, dated as of March 11, 2025.

Exhibit 3.1 BY-LAWS OF MATIV HOLDINGS, INC. (as Amended and Restated on and through March 11, 2025) With excerpts from the emergency provisions of the Delaware General Corporation Law appended TABLE OF CONTENTS Page CAPITAL STOCK 1 1. CERTIFICATES 1 2. RECORD OWNERSHIP 1 3. TRANSFER 2 4. LOST CERTIFICATES 2 5. TRANSFER AGENT; REGISTRAR 2 6. RECORD DATE; CLOSING TRANSFER BOOKS 2 MEETINGS OF STOCKHO

March 11, 2025 EX-10.2

Separation Agreement and General Waiver and Release, dated March 11, 2025, between the Company and Julie Schertell.

Exhibit 10.2 SEPARATION AGREEMENT AND GENERAL WAIVER AND RELEASE This Separation Agreement and General Waiver and Release (“Agreement”) is made by and between Mativ Holdings, Inc. and Neenah, Inc. (hereinafter, collectively the “Company”), and Julie Schertell (hereinafter, “Employee”). The Company and Employee are each referred to as a “Party” and collectively as the “Parties.” The Effective Date

March 11, 2025 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2025 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpo

February 27, 2025 EX-19.1

Mativ Holdings, Inc. Insider Trading Policy

MATIV HOLDINGS, INC. INSIDER TRADING POLICY I. INTRODUCTION As a public company, with securities traded on the New York Stock Exchange (the “NYSE”), Mativ Holdings, Inc. (“Mativ” or the “Company”) is subject to federal and state securities laws, including Rule 10b-5 under the Securities and Exchange Act of 1934 (the “Exchange Act”), which prohibit the purchase or sale of securities of a company by

February 27, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS,

February 27, 2025 EX-24.1

Powers of Attorney.

Exhibit 24.1 POWER OF ATTORNEY The undersigned, William Cook, hereby constitutes and appoints Mark Johnson and Greg Weitzel, or either of them, his true and lawful attorneys-in-fact and agents, with full powers of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K of Mativ Holdings, Inc. for the fiscal year e

February 27, 2025 EX-21.1

Subsidiaries of the Company.

Exhibit 21.1 SUBSIDIARIES OF MATIV HOLDINGS, INC. The subsidiaries of the Company at December 31, 2024 were as follows: Name Jurisdiction of Incorporation or Organization Percentage of Voting Power Mativ Canada, ULC. British Columbia (Canada) 100% DelStar Technologies (Shanghai) Trading Corp. Ltd. People’s Republic of China 100% DelStar Technologies (Suzhou) Co. Ltd. People’s Republic of China 100

February 27, 2025 EX-10.8

Summary of Non-Management Director Compensation

Exhibit 10.8 SUMMARY OF NON-MANAGEMENT DIRECTOR COMPENSATION As of October 1, 2024 Function Amount Paid Form of Payment Annual Stock Retainer $125,000 annually Payable in quarterly increments in shares of company common stock at its fair market value Annual Cash Retainer $85,000 annually Payable in cash in quarterly increments Audit Committee Members $15,000 annually Payable in cash in quarterly i

February 19, 2025 EX-99.1

Mativ Announces Fourth Quarter and Full Year 2024 Results

Exhibit 99.1 Mativ Announces Fourth Quarter and Full Year 2024 Results ALPHARETTA, GA, February 19, 2025 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months and year ended December 31, 2024. On November 30, 2023, Mativ Holdings, Inc. (“Mativ” or the “Company”) completed the sale of its Engineered Papers business. Financial results for cont

February 19, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 February 19, 2025 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incor

February 10, 2025 EX-99

JOINT FILING AGREEMENT

EX-99 2 Rule13DJointFilingAgreement.htm JOINT FILING AGREEMENT JOINT FILING AGREEMENT The undersigned hereby agree that this Schedule 13G (the “Schedule 13G”) with respect to the common stock of Mativ Holdings, Inc. is, and any additional amendment thereto signed by each of the undersigned shall be, filed on behalf of each undersigned pursuant to and in accordance with the provisions of 13d-1(k) u

December 19, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 December 17, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commiss

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 December 17, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incor

December 19, 2024 EX-10.1

Eighth Amendment, effective as of December 17, 2024, to the Credit Agreement, dated as of September 25, 2018 (as amended as of February 9, 2021, March 8, 2021, April 20, 2021, February 22, 2022, May 6, 2022, June 5, 2023 and September 19, 2023), by and among Mativ Holdings, Inc. (f/k/a Schweitzer-Mauduit International, Inc.), Mativ Luxembourg (f/k/a SWM Luxembourg), the other loan parties party thereto, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent.

Exhibit 10.1 EIGHTH AMENDMENT EIGHTH AMENDMENT, dated as of December 17, 2024 (this “Amendment”), by and among MATIV HOLDINGS, INC. (F/K/A SCHWEITZER-MAUDUIT INTERNATIONAL, INC.), a Delaware corporation (“Parent” or “U.S. Borrower”), MATIV LUXEMBOURG (F/K/A SWM LUXEMBOURG), a Luxembourg private limited liability company (société à responsabilité limitée), having its registered office at 17, rue Ed

November 12, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-16128

November 8, 2024 SC 13G/A

MATV / Mativ Holdings, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Mativ Holdings, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 808541106 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

November 8, 2024 EX-99

JOINT FILING AGREEMENT

EX-99 2 Rule13DJointFilingAgreement.htm JOINT FILING AGREEMENT JOINT FILING AGREEMENT The undersigned hereby agree that this Schedule 13G (the “Schedule 13G”) with respect to the common stock of Mativ Holdings, Inc. is, and any additional amendment thereto signed by each of the undersigned shall be, filed on behalf of each undersigned pursuant to and in accordance with the provisions of 13d-1(k) u

November 6, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 November 6, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorp

November 6, 2024 EX-99.1

Mativ Announces Third Quarter 2024 Results

Exhibit 99.1 Mativ Announces Third Quarter 2024 Results ALPHARETTA, GA, November 6, 2024 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months ended September 30, 2024. On November 30, 2023, Mativ Holdings, Inc. (“Mativ” or the “Company”) completed the sale of its Engineered Papers business. Financial results for continuing operations exclud

October 7, 2024 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 October 7, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpo

October 7, 2024 EX-4.1

Indenture, dated as of October 7, 2024, among Mativ Holdings, Inc., the guarantors listed therein and Wilmington Trust, National Association (including the form of Note attached as an exhibit thereto).

Exhibit 4.1 Execution Version SENIOR NOTES INDENTURE Dated as of October 7, 2024 Among MATIV HOLDINGS, INC. THE GUARANTORS LISTED ON THE SIGNATURE PAGES HERETO and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee 8.000% SENIOR NOTES DUE 2029 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.01 Definitions 1 Section 1.02 Other Definitions 39 Section 1.03 Rule

September 24, 2024 EX-99.1

MATIV HOLDINGS, INC. ANNOUNCES PRICING OF ITS $400 MILLION OFFERING OF SENIOR NOTES

Exhibit 99.1 MATIV HOLDINGS, INC. ANNOUNCES PRICING OF ITS $400 MILLION OFFERING OF SENIOR NOTES ALPHARETTA, GA – September 24, 2024 – Mativ Holdings, Inc. (“Mativ” or the “Company”) (NYSE: MATV) today announced that it has priced its previously announced private offering of $400,000,000 in aggregate principal amount of its 8.000% senior notes due 2029 (the “Notes”). The Notes will bear interest a

September 24, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 September 24, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of inco

September 23, 2024 EX-99.1

MATIV HOLDINGS, INC. ANNOUNCES PROPOSED PRIVATE OFFERING OF $400 MILLION OF SENIOR NOTES

EX-99.1 Exhibit 99.1 MATIV HOLDINGS, INC. ANNOUNCES PROPOSED PRIVATE OFFERING OF $400 MILLION OF SENIOR NOTES ALPHARETTA, GA – September 23, 2024 – Mativ Holdings, Inc. (“Mativ” or the “Company”) (NYSE: MATV) today announced that it has commenced a private offering that is exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”), subject to market and other cond

September 23, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 September 23, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commis

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 September 23, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of inco

August 8, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (S

August 8, 2024 EX-10.1

Mativ Holdings, Inc. Executive Severance Plan (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q filed on August 8, 2024).

MATIV HOLDINGS, INC. EXECUTIVE SEVERANCE PLAN (Effective July 6, 2024) THIS DOCUMENT CONSTITUTES THE OFFICIAL PLAN DOCUMENT AS WELL AS THE SUMMARY PLAN DESCRIPTION OF THIS PLAN. MATIV HOLDINGS, INC. EXECUTIVE SEVERANCE PLAN TABLE OF CONTENTS ARTICLE I ESTABLISHMENT AND PURPOSE OF THE PLAN 1 1.1 Adoption of the Plan. 1 1.2 Background. 1 1.3 Purpose of Plan. 1 1.4 Type of Plan. 1 1.5 Effective Date.

August 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 August 7, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpor

August 7, 2024 EX-99.1

Mativ Announces Second Quarter 2024 Results

Exhibit 99.1 Mativ Announces Second Quarter 2024 Results ALPHARETTA, GA, August 7, 2024 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months ended June 30, 2024. On November 30, 2023, Mativ Holdings, Inc. (“Mativ” or the “Company”) completed the sale of its Engineered Papers business. Financial results for continuing operations exclude Engi

July 12, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 [ ] TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 1-13948 A. Full title of the Plan

July 12, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 [ ] TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-32240 A. Full title of the Pla

July 12, 2024 EX-99.1

Neenah 401(k) Retirement Plan Financial Statements

NEENAH 401(k) RETIREMENT PLAN Financial Statements as of December 31, 2023 and 2022 and for the Year Ended December 31, 2023 NEENAH 401(k) RETIREMENT PLAN TABLE OF CONTENTS Page Report of Independent Registered Public Accounting Firm FINANCIAL STATEMENTS: Statements of Net Assets Available for Benefits as of December 31, 2023 and 2022 1 Statement of Changes in Net Assets Available for Benefits for

July 12, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 [ ] TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 1-13948 A. Full title of the Plan

July 12, 2024 EX-99.1

SWM Retirement Savings Plan II Financial Statements and Supplemental Schedules.

Exhibit 99.1 SWM RETIREMENT SAVINGS PLAN II Financial Statements as of December 31, 2023 and 2022 and for the Year Ended December 31, 2023, Supplemental Schedules as of and for the year ended December 31, 2023 and Report of Independent Registered Public Accounting Firm SWM RETIREMENT SAVINGS PLAN II TABLE OF CONTENTS Page Report of Independent Registered Public Accounting Firm FINANCIAL STATEMENTS

July 12, 2024 EX-99.1

Schweitzer-Mauduit International, Inc. Retirement Savings Plan Financial Statements and Supplemental Schedule

Exhibit 99.1 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. RETIREMENT SAVINGS PLAN Financial Statements as of December 31, 2023 and 2022 and for the Year Ended December 31, 2023, Supplemental Schedule for the year ended December 31, 2023 and Report of Independent Registered Public Accounting Firm SCHWEITZER-MAUDUIT INTERNATIONAL, INC. RETIREMENT SAVINGS PLAN TABLE OF CONTENTS Page Report of Independent R

June 28, 2024 NT 11-K

SEC FILE NUMBER

SEC FILE NUMBER 001-13948   CUSIP NUMBER 808541106 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 28, 2024 NT 11-K

SEC FILE NUMBER

SEC FILE NUMBER 001-13948   CUSIP NUMBER 808541106 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 28, 2024 NT 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☒ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: December 31, 2023 ☐ T

SEC FILE NUMBER   001-13948 CUSIP NUMBER 808541106 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 18, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 12, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpora

June 18, 2024 EX-99.1

Mativ Announces Changes to its Board of Directors

Exhibit 99.1 Press Release Mativ Announces Changes to its Board of Directors ALPHARETTA, Ga. – June 18, 2024 – Mativ Holdings, Inc. (NYSE: MATV) today announced it has appointed John K. Stipancich as an independent member of its board of directors, effective June 13, 2024, for a term of office expiring at the 2027 annual meeting. In connection with his appointment, Stipancich has also been appoint

June 10, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 June 6, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorporat

May 9, 2024 EX-10.3

Form of Restricted Stock Unit Award Agreement (2024 Mativ Holdings, Inc. Equity and Incentive Plan) (filed as Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q filed on May 9, 2024).

Mativ Holdings, Inc. 2024 Equity and Incentive Plan Restricted Stock Unit Award Agreement Mativ Holdings, Inc., a Delaware corporation (the “Company”), hereby grants to the individual (the “Holder”) named in the award notice attached hereto (the “Award Notice”) as of the date set forth in the Award Notice (the “Grant Date”), pursuant to the provisions of the Mativ Holdings, Inc. 2024 Equity and In

May 9, 2024 EX-10.2

Form of Performance Share Unit Award Agreement (20

Mativ Holdings, Inc. 2024 Equity and Incentive Plan Performance Share Unit Award Agreement Mativ Holdings, Inc., a Delaware corporation (the “Company”), hereby grants to the individual (the “Holder”) named in the award notice attached hereto (the “Award Notice”) as of the date set forth in the Award Notice (the “Grant Date”), pursuant to the provisions of the Mativ Holdings, Inc. 2024 Equity and I

May 9, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (

May 8, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 May 8, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorporati

May 8, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 May 8, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorporati

May 8, 2024 EX-99.1

Mativ Announces First Quarter 2024 Results

Exhibit 99.1 Mativ Announces First Quarter 2024 Results ALPHARETTA, GA, May 8, 2024 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months ended March 31, 2024. On November 30, 2023, Mativ Holdings, Inc. (“Mativ” or the “Company”) completed the sale of its Engineered Papers business. Financial results for continuing operations exclude Enginee

April 25, 2024 EX-10.1

(incorporated by reference to Exhibit 10.1 to the Company’s

Exhibit 10.1 MATIV HOLDINGS, INC. 2024 EQUITY AND INCENTIVE PLAN I. INTRODUCTION 1.1 Purposes. The purposes of the Mativ Holdings, Inc. 2024 Equity and Incentive Plan (this “Plan”) are (i) to align the interests of the Company’s stockholders and the recipients of awards under this Plan by increasing the proprietary interest of such recipients in the Company’s growth and success, (ii) to advance th

April 25, 2024 S-8

As filed with the Securities and Exchange Commission on April 25, 2024

As filed with the Securities and Exchange Commission on April 25, 2024 Registration No.

April 25, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 April 24, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpor

April 25, 2024 EX-FILING FEES

Calculation of Filing Fee Table FORM S-8 (Form Type) Mativ Holdings, Inc. (Exact Name of Registrant as Specified in its Charter) Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum

Exhibit 107 Calculation of Filing Fee Table FORM S-8 (Form Type) Mativ Holdings, Inc.

March 29, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  ☐ Def

March 14, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  ☐ Def

March 14, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: Preliminary Proxy Statement  ☐ Confidential, for Use of the Commission Only (as permitted by Rule 1

February 29, 2024 EX-21.1

Subsidiaries of the Company.

Exhibit 21.1 SUBSIDIARIES OF MATIV HOLDINGS, INC. The subsidiaries of the Company at December 31, 2023 were as follows: Name Jurisdiction of Incorporation or Organization Percentage of Voting Power Schweitzer-Mauduit Canada, BCULC. British Columbia (Canada) 100% DelStar Technologies (Shanghai) Trading Corp. Ltd. People’s Republic of China 100% DelStar Technologies (Suzhou) Co. Ltd. People’s Republ

February 29, 2024 EX-4.3

Exhibit 4.3

Exhibit 4.3 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Mativ Holdings, Inc., a Delaware corporation (the “Company,” “Mativ,” “we,” “our” or “us”), has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock, $0.10 par value. The following description of the material terms of our

February 29, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS,

February 29, 2024 EX-97

Mativ Holdings, Inc. Clawback Policy, effective as of October 2, 2023

Exhibit 97 MATIV HOLDINGS, INC. CLAWBACK POLICY 1. Purpose. The purpose of this Policy is to describe the circumstances in which Executive Officers will be required to repay or return Erroneously Awarded Compensation to members of the Company Group. This Policy is designed to comply with, and will be interpreted in a manner that is consistent with, Section 954 of the Dodd-Frank Wall Street Reform

February 29, 2024 EX-24.1

Powers of Attorney.

Exhibit 24.1 POWER OF ATTORNEY The undersigned, William Cook, hereby constitutes and appoints Mark Johnson and Greg Weitzel, or either of them, his true and lawful attorneys-in-fact and agents, with full powers of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K of Mativ Holdings, Inc. for the fiscal year e

February 29, 2024 EX-2.9

First Amendment to Purchase Agreement, dated November 29, 2023, to the Purchase Agreement, dated as of August 1, 2023, by and between Company and Evergreen Hill Enterprise Pte. Ltd

Exhibit 2.9 Execution Version FIRST AMENDMENT TO PURCHASE AGREEMENT This FIRST AMENDMENT TO PURCHASE AGREEMENT (this “Amendment”) is entered into as of November 29, 2023, by MATIV HOLDINGS, INC., a Delaware corporation (“Parent”) and EVERGREEN HILL ENTERPRISE PTE. LTD., a corporation established under the laws of Singapore (“Buyer”). Each of Parent and Buyer is individually referred to herein as a

February 21, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 February 21, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incor

February 21, 2024 EX-99.1

Mativ Announces Fourth Quarter and Full Year 2023 Results

Exhibit 99.1 Mativ Announces Fourth Quarter and Full Year 2023 Results ALPHARETTA, GA, February 21, 2024 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months and year ended December 31, 2023. On July 6, 2022, Schweitzer-Mauduit International, Inc. ("SWM") and Neenah, Inc. ("Neenah") completed a merger of equals ("the Merger"). Financial res

February 14, 2024 SC 13G

MATV / Mativ Holdings, Inc. / Boundary Creek Advisors LP Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Mativ Holdings, Inc. (Name of Issuer) Common stock, par value $0.10 per share (Title of Class of Securities) 808541106 (CUSIP Number) December 31, 2023 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursuant to w

February 14, 2024 EX-99.1

JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13d-1(k)

EXHIBIT 99.1 JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13d-1(k) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The unders

February 13, 2024 SC 13G/A

MATV / Mativ Holdings, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: Mativ Holdings Inc Title of Class of Securities: Common Stock CUSIP Number: 808541106 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒

February 12, 2024 SC 13G/A

MATV / Mativ Holdings, Inc. / Rubric Capital Management LP - SC 13G/A Passive Investment

SC 13G/A 1 tm245464d23sc13ga.htm SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Mativ Holdings, Inc. (Name of Issuer) Common Stock, $0.10 par value per share (Title of Class of Securities) 808541106 (CUSIP Number) December 31, 2023 (Date of event which requires filing of this statement) Check the approp

February 8, 2024 SC 13G

MATV / Mativ Holdings, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Schweitzer-Mauduit International, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 808541106 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the app

January 24, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 January 24, 2024 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorp

January 24, 2024 EX-99.1

MATIV ANNOUNCES INITIATIVES EXPECTED TO REDUCE COSTS BY $40 MILLION

Exhibit 99.1 MATIV ANNOUNCES INITIATIVES EXPECTED TO REDUCE COSTS BY $40 MILLION ALPHARETTA, GA – January 24, 2024 – Commensurate with the recent divestiture of the Company’s Engineered Papers business, Mativ Holdings, Inc. (NYSE: MATV) (“Mativ” or the “Company”) today announced organizational realignment initiatives that will streamline organizational size and complexity, and leverage business-cr

January 12, 2024 SC 13G/A

MATV / Mativ Holdings, Inc. / Allspring Global Investments Holdings, LLC Passive Investment

SC 13G/A 1 Mativ20231231.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.2 ) MATIV INC (Name of Issuer) COM (Title of Class of Securities) 808541106 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

December 6, 2023 EX-99.1

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

EXHIBIT 99.1 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Introduction As previously disclosed on a Current Report on Form 8-K, on August 1, 2023, Mativ Holdings, Inc. (the “Company”) entered into a final, binding and irrevocable offer letter (the “Offer Letter”) with Evergreen Hill Enterprise Pte. Ltd., an affiliate of PT Bukit Muria Jaya (“Buyer”) pursuant to which Buyer made a b

December 6, 2023 8-K/A

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 30, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorpora

December 6, 2023 EX-99.2

As previously disclosed on a Current Report on Form

Exhibit 99.2 As previously disclosed on a Current Report on Form 8-K, on August 1, 2023, Mativ Holdings, Inc. (the “Company”) entered into a final, binding and irrevocable offer letter (the “Offer Letter”) with Evergreen Hill Enterprise Pte. Ltd., an affiliate of PT Bukit Muria Jaya (“Buyer”) pursuant to which Buyer made a binding offer (the “Offer”) to acquire the Company’s Engineered Papers busi

December 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 30, 2023 MATIV HOLDINGS,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 30, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission fi

December 1, 2023 EX-99.1

Mativ Announces Completion of Sale of Engineered Papers Business

EX-99.1 Exhibit 99.1 Mativ Announces Completion of Sale of Engineered Papers Business ALPHARETTA, Ga.— (BUSINESS WIRE) — Mativ Holdings, Inc. (NYSE: MATV) announced today that it has completed the sale of its Engineered Papers business to Evergreen Hill Enterprise, Pte. Ltd. Julie Schertell, CEO of Mativ, commented, “We are very pleased with the completion of the sale of Engineered Papers. They ha

November 9, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-16128

November 9, 2023 EX-10.4

Separation Waiver and Release Agreement, by and between Ricardo Nuñez and the Company, dated as of September 1, 2023 (filed as Exhibit 10.4 to the Company’s Quarterly Report on Form 10-Q filed on November 9, 2023).

SEPARATION, WAIVER AND RELEASE AGREEMENT This Separation, Waiver and Release Agreement (the “Release Agreement”) is entered into by and between Mativ Holdings, Inc.

November 8, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 November 8, 2023 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorp

November 8, 2023 EX-99.1

Mativ Announces Third Quarter 2023 Results

Exhibit 99.1 Mativ Announces Third Quarter 2023 Results ALPHARETTA, GA, November 8, 2023 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months ended September 30, 2023. On July 6, 2022, Schweitzer-Mauduit International, Inc. ("SWM") and Neenah, Inc. ("Neenah") completed a merger of equals ("the merger"). Financial results for periods prior t

October 25, 2023 EX-10.2

Amendment No. 1, dated as of October 20, 2023, to Sale and Contribution Agreement, dated as of December 23, 2022, by and among the Company, Mativ Receivables LLC and the originators party thereto.

Exhibit 10.2 EXECUTION VERSION AMENDMENT NO. 1 TO SALE AND CONTRIBUTION AGREEMENT This AMENDMENT NO. 1 TO SALE AND CONTRIBUTION AGREEMENT (this “Amendment”), dated as of October 20, 2023, is by and among Mativ Receivables LLC, a Delaware limited liability company (the “Buyer”), Mativ Holdings, Inc. (f/k/a Schweitzer-Maudit International, Inc.), a Delaware corporation (“Mativ”) as servicer (in such

October 25, 2023 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 20, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission fil

October 25, 2023 EX-10.1

Amendment No. 1, dated as of October 20, 2023, to Receivables Purchase Agreement, dated as of December 23, 2022, by and among the Company, Mativ Receivables LLC, PNC Bank, National Association, as administrative agent, PNC Capital Markets LLC, as structuring agent, and the purchasers party thereto.

Exhibit 10.1 EXECUTION VERSION AMENDMENT NO. 1 TO RECEIVABLES PURCHASE AGREEMENT This AMENDMENT NO. 1 TO RECEIVABLES PURCHASE AGREEMENT (this “Amendment”), dated as of October 20, 2023, is by and among Mativ Receivables LLC, a Delaware limited liability company (the “Seller”), Mativ Holdings, Inc. (f/k/a Schweitzer-Maudit International, Inc.), a Delaware corporation (“Mativ”) as servicer (in such

October 5, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 4, 2023 MATIV HOLDINGS, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 4, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission file

October 5, 2023 EX-2.1

Evergreen Hill Enterprise Pte. Ltd. (incorporated by reference to Exhibit 2.1 to the Company’s

EX-2.1 Exhibit 2.1 PURCHASE AGREEMENT BY AND BETWEEN MATIV HOLDINGS, INC. AND EVERGREEN HILL ENTERPRISE PTE. LTD. Dated as of August 1, 2023 TABLE OF CONTENTS PAGE ARTICLE I DEFINITIONS 1 Section 1.1 Definitions 1 Section 1.2 Other Definitions 16 Section 1.3 Construction 18 ARTICLE II PURCHASE AND SALE 19 Section 2.1 Purchase and Sale of Equity Interests 19 Section 2.2 Excluded Assets and Excluded

September 29, 2023 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 29, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission f

September 29, 2023 EX-10.1

Seventh Amendment, effective as of September 19, 2023, to the Credit Agreement, dated September 25, 2018 (as amended as of February 9, 2021, March 8, 2021, April 20, 2021, February 22, 2022, May 6, 2022 and June 5, 2023), by and among Mativ Holdings, Inc. (f/k/a Schweitzer-Mauduit International, Inc.), SWM Luxembourg, the other loan parties party thereto, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on September 29, 2023).***

Exhibit 10.1 Execution Version SEVENTH AMENDMENT SEVENTH AMENDMENT, dated as of September 19, 2023 (this “Amendment”), by and among MATIV HOLDINGS, INC. (F/K/A SCHWEITZER-MAUDUIT INTERNATIONAL, INC.), a Delaware corporation (“Parent” or “U.S. Borrower”), SWM LUXEMBOURG, a Luxembourg private limited liability company (société à responsabilité limitée), having its registered office at 17, rue Edmond

September 22, 2023 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission f

September 22, 2023 EX-3.1

Amended and Restated Bylaws (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed on September 22, 2023).

Exhibit 3.1 BY-LAWS OF MATIV HOLDINGS, INC. (as Amended and Restated on and through September 21, 2023) With excerpts from the emergency provisions of the Delaware General Corporation Law appended TABLE OF CONTENTS Page CAPITAL STOCK 4 1. CERTIFICATES 4 2. RECORD OWNERSHIP 4 3. TRANSFER 5 4. LOST CERTIFICATES 5 5. TRANSFER AGENT; REGISTRAR 5 6. RECORD DATE; CLOSING TRANSFER BOOKS 5 MEETINGS OF STO

August 9, 2023 EX-10.3

Short-Term Incentive Plan for Eligible Employees effective as of January 1, 2023.

Exhibit 10.3 MATIV HOLDINGS, INC. SHORT-TERM INCENTIVE PLAN FOR ELIGIBLE EMPLOYEES Effective January 1, 2023 MATIV HOLDINGS, INC. SHORT-TERM INCENTIVE PLAN FOR ELIGIBLE EMPLOYEES 1. Background and Purpose. 1.1 Purpose. The purpose of the Mativ Holdings, Inc. Short-Term Incentive Plan for Eligible Employees is to offer a short-term incentive award opportunity for eligible employees who make signifi

August 9, 2023 EX-99.1

Mativ Announces Second Quarter 2023 Results

Exhibit 99.1 Mativ Announces Second Quarter 2023 Results ALPHARETTA, GA, August 9, 2023 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months ended June 30, 2023. On July 6, 2022, Schweitzer-Mauduit International, Inc. ("SWM") and Neenah, Inc. ("Neenah") completed a merger of equals ("the merger"). Financial results for periods prior to the

August 9, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (S

August 9, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 August 9, 2023 Date of Report (Date of earliest event reported) (Commission file nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 August 9, 2023 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpor

August 8, 2023 EX-99.1

Mativ Announces Two Executive Appointments Mark W. Johnson named new Chief Legal Officer and Rajeev Kapur appointed Chief Information Officer

Exhibit 99.1 Mativ Announces Two Executive Appointments Mark W. Johnson named new Chief Legal Officer and Rajeev Kapur appointed Chief Information Officer ALPHARETTA, Ga. – August 8, 2023 – Mativ Holdings, Inc. (NYSE: MATV), a global leader in specialty materials, today announced two appointments to its executive leadership team. Mark W. Johnson will succeed Ricardo Nuñez as chief legal officer, g

August 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 MATIV HOLDINGS, IN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission file

August 2, 2023 EX-2.1

by and among Mativ Holdings, Inc. and Evergreen Hill Enterprise Pte. Ltd. (filed as Exhibit 2.1 to

Exhibit 2.1 To: MATIV HOLDINGS, INC. 100 Kimball Place, Suite 600 Alpharetta, Georgia 30009 Attention: Chief Legal Officer August 1, 2023 Re: Final Binding Offer Dear Sirs and/or Madams, We refer to our recent discussions relating to the contemplated acquisition (the “Transaction”) by Evergreen Hill Enterprise Pte. Ltd. (“Buyer”) of the equity interests of certain legal entities owned directly or

August 2, 2023 EX-99.1

MATIV ANNOUNCES PROPOSED SALE OF ENGINEERED PAPERS BUSINESS FOR $620 MILLION

Exhibit 99.1 MATIV ANNOUNCES PROPOSED SALE OF ENGINEERED PAPERS BUSINESS FOR $620 MILLION • Transaction consistent with Mativ’s strategy to focus the portfolio on end-markets with the strongest long-term growth opportunities • Company intends to use net sale proceeds of approximately $575 million to reduce debt • Company revises capital allocation strategy with re-sized annual dividend and new sha

August 2, 2023 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission file

July 14, 2023 EX-99.1

SWM Retirement Savings Plan II Financial Statements and Supplemental Schedules.

Exhibit 99.1 SWM RETIREMENT SAVINGS PLAN II Financial Statements as of December 31, 2022 and 2021 and for the Year Ended December 31, 2022, Supplemental Schedules as of and for the year ended December 31, 2022 and Report of Independent Registered Public Accounting Firm SWM RETIREMENT SAVINGS PLAN II TABLE OF CONTENTS Page Report of Independent Registered Public Accounting Firm FINANCIAL STATEMENTS

July 14, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 [ ] TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 1-13948 A. Full title of the Plan

July 14, 2023 EX-99.1

Schweitzer-Mauduit International, Inc. Retirement Savings Plan Financial Statements and Supplemental Schedules.

Exhibit 99.1 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. RETIREMENT SAVINGS PLAN Financial Statements as of December 31, 2022 and 2021 and for the Year Ended December 31, 2022, Supplemental Schedules as of and for the year ended December 31, 2022 and Report of Independent Registered Public Accounting Firm SCHWEITZER-MAUDUIT INTERNATIONAL, INC. RETIREMENT SAVINGS PLAN TABLE OF CONTENTS Page Report of In

July 14, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 [ ] TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 1-13948 A. Full title of the Plan

June 29, 2023 NT 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☒ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: December 31, 2022 ☐ T

NT 11-K SEC FILE NUMBER 001-13948 CUSIP NUMBER 808541106 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 29, 2023 NT 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☒ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: December 31, 2022 ☐ T

NT 11-K SEC FILE NUMBER 001-13948 CUSIP NUMBER 808541106 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 28, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One): ý ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended December 31, 2022 OR o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to Commission file number 001-32240 A. Ful

June 7, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 5, 2023 MATIV HOLDINGS, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 5, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission file nu

June 7, 2023 EX-10.1

er-Mauduit International, Inc.), SWM Luxembourg, the other loan parties thereto, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on June 7, 2023).***

EX-10.1 Exhibit 10.1 EXECUTION VERSION SIXTH AMENDMENT SIXTH AMENDMENT, dated as of June 5, 2023 (this “Amendment”), by and among MATIV HOLDINGS, INC. (F/K/A SCHWEITZER-MAUDUIT INTERNATIONAL, INC.), a Delaware corporation (“Parent” or “U.S. Borrower”), SWM LUXEMBOURG, a Luxembourg private limited liability company (société à responsabilité limitée), having its registered office at 17, rue Edmond R

May 10, 2023 EX-10.5

Amended and Restated Deferred Compensation Plan No. 2 for Non-Employee Directors, dated as of January 1, 2023 (incorporated by reference to Exhibit 10.5 of the Company’s Quarterly Report on Form 10-Q filed on March 10, 2023). **

Exhibit 10.5 MATIV HOLDINGS, INC. DEFERRED COMPENSATION PLAN NO. 2 FOR NON-EMPLOYEE DIRECTORS Amended and Restated as of January 1, 2023 Article I - Purpose and Participation The purpose of the Mativ Holdings, Inc. Deferred Compensation Plan No. 2 for Non-Employee Directors (“Plan”) is to enhance the ability of Mativ Holdings, Inc. (“Mativ”) to attract and retain as members of its Board of Directo

May 10, 2023 EX-10.1

Separation Waiver and Release Agreement, by and between Andrew Wamser and the Company, dated as of April 3, 2023 (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q filed on May 10, 2023).

Exhibit 10.1 SEPARATION, WAIVER AND RELEASE AGREEMENT This Separation, Waiver and Release Agreement (the “Release Agreement”) is entered into by and between Mativ Holdings, Inc. (the “Company”) and R. Andrew Wamser, Jr. (“You” or “Your”) (collectively, the “Parties”). The Company executes this Release Agreement for itself and on behalf of its parents, subsidiaries, affiliates, and all related comp

May 10, 2023 EX-99.1

Mativ Announces First Quarter 2023 Results

Exhibit 99.1 Mativ Announces First Quarter 2023 Results ALPHARETTA, GA, May 10, 2023 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months ended March 31, 2023. On July 6, 2022, Schweitzer-Mauduit International, Inc. ("SWM") and Neenah, Inc. ("Neenah") completed a merger of equals ("the merger"). Financial results for periods prior to the me

May 10, 2023 EX-10.2

Form of Performance Share Unit Award Agreement (2015 Long-Term Incentive Plan) (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q filed March 10, 2023 and incorporated herein by reference).

Exhibit 10.2 Mativ Holdings, Inc. 2015 Long-Term Incentive Plan Performance Share Unit Award Agreement Mativ Holdings, Inc., a Delaware corporation (the “Company”), hereby grants to the individual (the “Holder”) named in the award notice attached hereto (the “Award Notice”) as of the date set forth in the Award Notice (the “Grant Date”), pursuant to the provisions of the Mativ Holdings, Inc. 2015

May 10, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 May 10, 2023 Date of Report (Date of earliest event reported) (Commission file numb

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 May 10, 2023 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorporat

May 10, 2023 EX-10.4

Amended and Restated Deferred Compensation Plan No. 2, dated as of January 1, 2023 (incorporated by reference to Exhibit 10.4 of the Company’s Quarterly Report on Form 10-Q filed on March 10, 2023).**

Exhibit 10.4 MATIV HOLDINGS, INC. DEFERRED COMPENSATION PLAN NO. 2 AMENDED AND RESTATED AS OF JANUARY 1, 2023 PLAN HISTORY The Plan was established, effective as of January 1, 2005, to provide a mechanism under which qualified participants could elect to defer a limited portion of their annual base salary and incentive compensation in a manner intended to comply with the requirements of Internal R

May 10, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (

May 10, 2023 EX-21.1

Subsidiaries of the Company (incorporated by reference to Exhibit 21.1 to the Company’s Quarterly Report on Form 10-Q filed on May 10, 2023).

Exhibit 21.1 SUBSIDIARIES OF MATIV HOLDINGS, INC. The subsidiaries of the Company at March 31, 2023 were as follows: Name Jurisdiction of Incorporation or Organization Percentage of Voting Power Schweitzer-Mauduit Canada, BCULC. British Columbia (Canada) 100% Schweitzer-Mauduit International China, Limited Hong Kong, China 100% China Tobacco Mauduit (Jiangmen) Paper Industry Company Ltd. (1) Peopl

May 10, 2023 EX-10.3

Form of Restricted Stock Unit Award Agreement (2015 Long-Term Incentive Plan) (filed as Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q filed March 10, 2023 and incorporated herein by reference).

Exhibit 10.3 Mativ Holdings, Inc. 2015 Long-Term Incentive Plan Restricted Stock Unit Award Agreement Mativ Holdings, Inc., a Delaware corporation (the “Company”), hereby grants to the individual (the “Holder”) named in the award notice attached hereto (the “Award Notice”) as of the date set forth in the Award Notice (the “Grant Date”), pursuant to the provisions of the Mativ Holdings, Inc. 2015 L

April 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 April 20, 2023 Date of Report (Date of earliest event reported) (Commission file nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 April 20, 2023 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpor

March 17, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.     )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.     ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rul

March 15, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 15, 2023 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission file

March 15, 2023 EX-99.1

Mativ Announces Greg Weitzel as New Chief Financial Officer Weitzel to succeed Andrew Wamser as company continues to pursue its strategic growth objectives

EX-99.1 Exhibit 99.1 Mativ Announces Greg Weitzel as New Chief Financial Officer Weitzel to succeed Andrew Wamser as company continues to pursue its strategic growth objectives ALPHARETTA, Ga. – March 15, 2023 – Mativ Holdings, Inc. (NYSE: MATV), a global leader in specialty materials, today announced that Greg Weitzel will succeed Andrew Wamser as global chief financial officer for the ~$3 billio

March 1, 2023 EX-4.3

Description of registrant's securities.

Exhibit 4.3 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Mativ Holdings, Inc., a Delaware corporation (the “Company,” “Mativ,” “we,” “our” or “us”), has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock, $0.10 par value. The following description of the material terms of our

March 1, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS,

March 1, 2023 EX-24.1

Powers of Attorney.

Exhibit 24.1 POWER OF ATTORNEY The undersigned, William Cook, hereby constitutes and appoints Ricardo Nunez and Andrew Wamser, or either of them, his true and lawful attorneys-in-fact and agents, with full powers of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K of Mativ Holdings, Inc. for the fiscal year

March 1, 2023 EX-21.1

Subsidiaries of the Company.

Exhibit 21.1 SUBSIDIARIES OF MATIV HOLDINGS, INC. The subsidiaries of the Company at December 31, 2022 were as follows: Name Jurisdiction of Incorporation or Organization Percentage of Voting Power Schweitzer-Mauduit Canada, BCULC. British Columbia (Canada) 100% Schweitzer-Mauduit International China, Limited Hong Kong, China 100% China Tobacco Mauduit (Jiangmen) Paper Industry Company Ltd. (1) Pe

February 22, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 February 22, 2023 Date of Report (Date of earliest event reported) (Commission file

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 February 22, 2023 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incor

February 22, 2023 EX-99.1

Mativ Announces Fourth Quarter and Full Year 2022 Results

Exhibit 99.1 Mativ Announces Fourth Quarter and Full Year 2022 Results ALPHARETTA, GA, February 22, 2023 -– Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three months and year ended December 31, 2022. On July 6, 2022, Schweitzer-Mauduit International, Inc. ("SWM") and Neenah, Inc. ("Neenah") completed a merger of equals ("the merger"). Financial res

February 14, 2023 SC 13G/A

SWM / Schweitzer-Mauduit International, Inc. / COOKE & BIELER LP - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 05)* Mativ Holdings, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 808541106 (CUSIP Number) Calendar Year 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant t

February 10, 2023 SC 13G/A

SWM / Schweitzer-Mauduit International, Inc. / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4 )* Mativ Holdings Inc (Name of Issuer) Common Stock (Title of Class of Securities) 808541106 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

February 10, 2023 SC 13G

SWM / Schweitzer-Mauduit International, Inc. / Rubric Capital Management LP - SC 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* MATIV Holdings, Inc. (Name of Issuer) Common Stock, $0.10 par value per share (Title of Class of Securities) 808541106 (CUSIP Number) December 31, 2022 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursuant to w

February 9, 2023 SC 13G/A

SWM / Schweitzer-Mauduit International, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01386-mativholdingsinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Mativ Holdings Inc. Title of Class of Securities: Common Stock CUSIP Number: 808541106 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to design

January 13, 2023 SC 13G/A

SWM / Schweitzer-Mauduit International, Inc. / Allspring Global Investments Holdings, LLC Passive Investment

SC 13G/A 1 Mativinc.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.1 ) MATIV INC (Name of Issuer) COM (Title of Class of Securities) 808541106 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

December 27, 2022 EX-10.1

Receivables Purchase Agreement, dated as of December 23, 2022, by and among the Company, Mativ Receivables LLC, PNC Bank, National Association, as administrative agent, PNC Capital Markets LLC, as structuring agent, and the purchasers party thereto (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on December 27, 2022 and incorporated herein by reference).***

Exhibit 10.1 EXECUTION VERSION RECEIVABLES PURCHASE AGREEMENT Dated as of December 23, 2022 by and among MATIV RECEIVABLES LLC, as Seller, THE PERSONS FROM TIME TO TIME PARTY HERETO, as Purchasers, PNC BANK, NATIONAL ASSOCIATION, as Administrative Agent, MATIV HOLDINGS, INC. as Servicer, and PNC CAPITAL MARKETS LLC, as Structuring Agent TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 SECTION 1.01 C

December 27, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 23, 2022 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission fi

December 27, 2022 EX-10.1

Consulting and Services Agreement, effective as of March 1, 2023, by and between SWM Luxembourg SARL and Mr. Omar Hoek (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K/A filed on December 27, 2022 and incorporated herein by reference.)

EX-10.1 Exhibit 10.1 CONSULTING AND SERVICES AGREEMENT EFFECTIVE: 1 MARCH 2023 This Consulting and Services Agreement (this “Agreement”), is entered into by and between SWM Luxembourg SARL, a limited liability company (société à responsabilité limitée) established under the laws of Luxembourg and having its principal offices at 17, rue Edmond Reuter, L-5326, Contern, Luxembourg (the “Company”), AN

December 27, 2022 EX-10.2

Mutual Agreement for the Termination of Employment, dated as of December 21, 2022, by and between SWM Luxembourg SARL and Mr. Omar Hoek filed as Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on December 27, 2022 and incorporated herein by reference.)

EX-10.2 Exhibit 10.2 MUTUAL AGREEMENT FOR THE TERMINATION OF EMPLOYMENT DATED: DECEMBER 21, 2022 This Mutual Agreement for the Termination of Employment (this “Agreement”) is entered into as of the date set forth above (the “Effective Date”) between SWM Luxembourg SARL, having its registered office at 17 rue Edmond Reuter, L-5326 Contern, hereinafter referred to as the “Company”, on the one hand,

December 27, 2022 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 21, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 21, 2022 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporat

December 27, 2022 EX-10.2

Sale and Contribution Agreement, dated as of December 23, 2022, by and among the Company, Mativ Receivables LLC and the originators party thereto (filed as Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on December 27, 2022 and incorporated herein by reference).***

Exhibit 10.2 EXECUTION VERSION SALE AND CONTRIBUTION AGREEMENT Dated as of December 23, 2022 among PERSONS LISTED AS ORIGINATORS ON SCHEDULE I HERETO, as Originators, MATIV HOLDINGS, INC.. as an Originator and as Servicer, and MATIV RECEIVABLES LLC, as Buyer CONTENTS Clause Subject Matter Page ARTICLE I SALES AND CONTRIBUTIONS 2 SECTION 1.1 Agreement to Sell and Contribute 2 SECTION 1.2 Timing of

December 22, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 December 22, 2022 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incor

November 9, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 November 9, 2022 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorp

November 9, 2022 EX-99.1

Mativ Announces Third Quarter 2022 Results

Exhibit 99.1 Mativ Announces Third Quarter 2022 Results ALPHARETTA, GA, November 9, 2022 - Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three month and nine month periods ending September 30, 2022. On July 6, 2022, Schweitzer Mauduit International, Inc. ("SWM") and Neenah, Inc. ("Neenah") completed a merger of equals ("the merger"); Financial state

November 9, 2022 EX-10.2

Performance Share Unit Award Agreement (2015 Long-Term Incentive Plan) (incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2022).

Schweitzer-Mauduit International, Inc. 2015 Long-Term Incentive Plan Performance Share Unit Award Agreement Mativ Holdings, Inc., a Delaware corporation (the ?Company?), hereby grants to the individual (the ?Holder?) named in the award notice attached hereto (the ?Award Notice?) as of the date set forth in the Award Notice (the ?Grant Date?), pursuant to the provisions of the Schweitzer-Mauduit In

November 9, 2022 EX-10.3

Separation, Waiver and Release Agreement, by and between Tracey Peacock and the Company, dated as of July 6, 2022 (incorporated by reference to Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2022).

SEPARATION, WAIVER AND RELEASE AGREEMENT This Separation, Waiver and Release Agreement (the "Release Agreement") by and between Mativ Holdings, Inc.

November 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? For the quarterly period ended September 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-16128

October 27, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 21, 2022 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission fil

September 13, 2022 EX-99.1

Schweitzer-Mauduit International, Inc. Retirement Savings Plan Financial Statements and Supplemental Schedules.

Exhibit 99.1 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. RETIREMENT SAVINGS PLAN Financial Statements as of December 31, 2021 and 2020 and for the Year Ended December 31, 2021, Supplemental Schedules as of and for the year ended December 31, 2021 and Report of Independent Registered Public Accounting Firm SCHWEITZER-MAUDUIT INTERNATIONAL, INC. RETIREMENT SAVINGS PLAN TABLE OF CONTENTS Page Report of In

September 13, 2022 11-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K/A (Amendment No.1) (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 [ ] TRANSIT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K/A (Amendment No.1) (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 1-13948 A. Full

September 13, 2022 EX-99.1

SWM Retirement Savings Plan II Financial Statements and Supplemental Schedules.

Exhibit 99.1 SWM RETIREMENT SAVINGS PLAN II Financial Statements as of December 31, 2021 and 2020 and for the Year Ended December 31, 2021, Supplemental Schedules as of and for the year ended December 31, 2021 and Report of Independent Registered Public Accounting Firm SWM RETIREMENT SAVINGS PLAN II TABLE OF CONTENTS Page Report of Independent Registered Public Accounting Firm FINANCIAL STATEMENTS

September 13, 2022 11-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K/A (Amendment No.1) (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 [ ] TRANSIT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K/A (Amendment No.1) (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 1-13948 A. Full

August 9, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 August 9, 2022 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdiction of incorpor

August 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (S

August 9, 2022 EX-99.1

Mativ Announces Second Quarter 2022 Results, Provides Second Half 2022 EBITDA Outlook and Sets Quarterly Cash Dividend

Exhibit 99.1 Mativ Announces Second Quarter 2022 Results, Provides Second Half 2022 EBITDA Outlook and Sets Quarterly Cash Dividend ALPHARETTA, GA, August 9, 2022 - Mativ Holdings, Inc. ("Mativ" or the "Company") (NYSE: MATV) reported earnings results for the three month and six month periods ending June 30, 2022. On July 6, 2022, SWM International, Inc. ("SWM") and Neenah, Inc. ("Neenah") complet

July 13, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 [ ] TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 1-13948 A. Full title of the Plan

July 13, 2022 EX-99.1

Schweitzer-Mauduit International, Inc. Retirement Savings Plan Financial Statements and Supplemental Schedule

Exhibit 99.1 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. RETIREMENT SAVINGS PLAN Financial Statements as of December 31, 2021 and 2020 and for the Year Ended December 31, 2021, Supplemental Schedules as of and for the year ended December 31, 2021 and Report of Independent Registered Public Accounting Firm SCHWEITZER-MAUDUIT INTERNATIONAL, INC. RETIREMENT SAVINGS PLAN TABLE OF CONTENTS Page Report of In

July 13, 2022 EX-99.1

SWM Retirement Savings Plan II Financial Statements and Supplemental Schedule

EX-99.1 3 ex991swm401k2021financials.htm EX-99.1 Exhibit 99.1 SWM RETIREMENT SAVINGS PLAN II Financial Statements as of December 31, 2021 and 2020 and for the Year Ended December 31, 2021, Supplemental Schedules as of and for the year ended December 31, 2021 and Report of Independent Registered Public Accounting Firm SWM RETIREMENT SAVINGS PLAN II TABLE OF CONTENTS Page Report of Independent Regis

July 13, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 [ ] TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 1-13948 A. Full title of the Plan

July 6, 2022 EX-10.1

Transition Services Agreement, by and between Jeffrey Kramer and the Company, dated as of July 6, 2022 (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on July 6, 2022).

Exhibit 10.1 Dr. Jeffrey Kramer July 6, 2022 Page 1 July 6, 2022 Dr. Jeffrey Kramer Via Email Re: Consulting Arrangement Dear Jeff: As we have discussed, the purpose of this letter agreement (?Letter Agreement?) is to set forth our mutual agreement regarding the terms and conditions of your consulting arrangement with Mativ Holdings, Inc. (f/k/a Schweitzer-Mauduit International, Inc.), and its sub

July 6, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 5, 2022 MATIV HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (Commission file nu

July 6, 2022 EX-3.1

Certificate of Amendment to the Certificate of Incorporation of the Company (filed on August 21, 1995), effective as of July 6, 2022 (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed on July 6, 2022).

Exhibit 3.1 CERTIFICATE OF AMENDMENT OF THE CERTIFICATE OF INCORPORATION OF SCHWEITZER-MAUDUIT INTERNATIONAL, INC. SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (the ?Corporation?), a corporation duly organized and existing under the General Corporation Law of the State of Delaware, hereby certifies as follows: 1. The name of the Corporation is SCHWEITZER-MAUDUIT INTERNATIONAL, INC. The Corporation was o

July 6, 2022 EX-3.2

Amended and Restated Bylaws (incorporated by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K filed on July 6, 2022).

Exhibit 3.2 BY-LAWS OF MATIV HOLDINGS, INC. (as Amended and Restated on and through July 6, 2022) With excerpts from the emergency provisions of the Delaware General Corporation Law appended Table of Contents* Page CAPITAL STOCK 1. CERTIFICATES 1 2. RECORD OWNERSHIP 1 3. TRANSFER 1 4. LOST CERTIFICATES 2 5. TRANSFER AGENT; REGISTRAR 2 6. RECORD DATE; CLOSING TRANSFER BOOKS 2 MEETINGS OF STOCKHOLDE

July 6, 2022 S-8

As filed with the Securities and Exchange Commission on July 6, 2022

As filed with the Securities and Exchange Commission on July 6, 2022 Registration No.

July 6, 2022 EX-99.1

SWM and Neenah Complete Merger to Become Mativ, a ~$3 Billion Global Leader in Specialty Materials Well-Positioned to Serve Customers with Leading Technologies, Innovation, and Global Scale Clear Path to Deliver $65+ Million Cost Synergy Plan, With A

EX-99.1 5 d379466dex991.htm EX-99.1 Exhibit 99.1 SWM and Neenah Complete Merger to Become Mativ, a ~$3 Billion Global Leader in Specialty Materials Well-Positioned to Serve Customers with Leading Technologies, Innovation, and Global Scale Clear Path to Deliver $65+ Million Cost Synergy Plan, With Additional Upside Opportunities to Accelerate Revenue Growth ALPHARETTA, Ga.—July 6, 2022 – Mativ Hold

July 6, 2022 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES 5 d315379dexfilingfees.htm EX-FILING FEES Exhibit 107 CALCULATION OF REGISTRATION FEE Title of Securities to Be Registered Amount to Be Registered(1) Proposed Maximum Offering Price Per Share(3) Proposed Maximum Aggregate Offering Price(3) Amount of Registration Fee Common Stock, $0.10 par value per share 6,000,000 shares(2) $33.98 $203,880,000 $18,899.68 (1) The number of shares of

July 6, 2022 S-8 POS

As filed with the Securities and Exchange Commission on July 6, 2022

As filed with the Securities and Exchange Commission on July 6, 2022 Registration No.

June 30, 2022 NT 11-K

SEC FILE

SEC FILE NUMBER 001-13948 CUSIP NUMBER 808541106 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 30, 2022 NT 11-K

SEC FILE

SEC FILE NUMBER 001-13948 CUSIP NUMBER 808541106 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 29, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation)

June 21, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2022 SCHWEITZER-MAUDUIT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation)

June 21, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation)

June 21, 2022 EX-99.1

SWM and Neenah Introduce Mativ, Inc., a ~$3 billion global leader in specialty materials, formed from the pending merger of equals

Exhibit 99.1 SWM and Neenah Introduce Mativ, Inc., a ~$3 billion global leader in specialty materials, formed from the pending merger of equals ALPHARETTA, Ga. ? (BUSINESS WIRE) ? Schweitzer-Mauduit International, Inc. (NYSE: SWM) (?SWM?) and Neenah, Inc. (NYSE: NP) (?Neenah?), two leading global manufacturers of specialty materials, today announced the future name of the combined company upon com

June 21, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2022 SCHWEITZER-MAUDUIT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation)

June 21, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation)

June 21, 2022 EX-99.1

SWM and Neenah Introduce Mativ, Inc., a ~$3 billion global leader in specialty materials, formed from the pending merger of equals

Exhibit 99.1 SWM and Neenah Introduce Mativ, Inc., a ~$3 billion global leader in specialty materials, formed from the pending merger of equals ALPHARETTA, Ga. ? (BUSINESS WIRE) ? Schweitzer-Mauduit International, Inc. (NYSE: SWM) (?SWM?) and Neenah, Inc. (NYSE: NP) (?Neenah?), two leading global manufacturers of specialty materials, today announced the future name of the combined company upon com

May 23, 2022 424B3

MERGER PROPOSED?YOUR VOTE IS VERY IMPORTANT

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration Statement No. 333-264676 MERGER PROPOSED?YOUR VOTE IS VERY IMPORTANT To the Stockholders of Schweitzer-Mauduit International, Inc. and the Stockholders of Neenah, Inc.: On March 28, 2022, Schweitzer-Mauduit International, Inc. (which we refer to as ?SWM?) and Neenah, Inc. (which we refer to as ?Neenah?) entered into an Agreement and P

May 18, 2022 EX-99.2

Consent of J.P. Morgan Securities, LLC

Exhibit 99.2 CONSENT OF J.P. MORGAN SECURITIES LLC We hereby consent to (i) the inclusion of our opinion letter dated March 27, 2022 to the board of directors of Schweitzer-Mauduit International, Inc. (?SWM?) as Annex B to the joint proxy statement/prospectus which forms a part of Amendment No. 1 to the registration statement on Form S-4 (the ?Registration Statement?) relating to the proposed merg

May 18, 2022 EX-99.3

Consent of Perella Weinberg Partners L.P.

Exhibit 99.3 CONSENT OF PERELLA WEINBERG PARTNERS L.P. We hereby consent to the inclusion of our opinion dated March 27, 2022 appearing as Annex C to, and the reference to such opinion letter under the headings ?Summary?Opinion of Neenah?s Financial Advisor? and ?The Merger?Opinion of Neenah?s Financial Advisor? in, Amendment No.1 to the Registration Statement on Form S-4 of Schweitzer-Mauduit Int

May 18, 2022 EX-99.8

Form of Neenah, Inc. Proxy Card

Exhibit 99.8 NEENAH, INC. PRESTON RIDGE III 3460 PRESTON RIDGE ROAD, SUITE 600 ALPHARETTA, GA 30005 VOTE BY INTERNET Before The Meeting - Go to www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 p.m. Eastern Daylight Time the day before the cut-off date or meeting date. Have your proxy card

May 18, 2022 CORRESP

Bradley Ecker

Bradley Ecker Division of Corporation Finance Office of Manufacturing Securities and Exchange Commission 100 F Street, N.

May 18, 2022 EX-99.12

Consent of Tony R. Thene

Exhibit 99.12 CONSENT OF PROSPECTIVE DIRECTOR In accordance with Rule 438 promulgated under the Securities Act of 1933, as amended, I hereby consent to my being named in the Registration Statement on Form S-4, to which this consent is an exhibit, filed by Schweitzer-Mauduit International, Inc. (the ?Registrant?) with the Securities and Exchange Commission, and all amendments (including post-effect

May 18, 2022 S-4/A

As filed with the U.S. Securities and Exchange Commission on May 18, 2022

Table of Contents As filed with the U.S. Securities and Exchange Commission on May 18, 2022 Registration No. 333-264676 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 2621 62-1612879 (Stat

May 18, 2022 EX-99.7

Form of Schweitzer-Mauduit International, Inc. Proxy Card

Exhibit 99.7 SPECIAL MEETING OF STOCKHOLDERS OF SCHWEITZER-MAUDUIT INTERNATIONAL, INC. June 29, 2022 GO GREEN e-Consent makes it easy to go paperless. With e-Consent, you can quickly access your proxy material, statements and other eligible documents online, while reducing costs, clutter and paper waste. Enroll today via www.astfinancial.com to enjoy online access. NOTICE OF INTERNET AVAILABILITY

May 18, 2022 EX-99.11

Consent of Shruti Singhal

Exhibit 99.11 CONSENT OF PROSPECTIVE DIRECTOR In accordance with Rule 438 promulgated under the Securities Act of 1933, as amended, I hereby consent to my being named in the Registration Statement on Form S-4, to which this consent is an exhibit, filed by Schweitzer-Mauduit International, Inc. (the ?Registrant?) with the Securities and Exchange Commission, and all amendments (including post-effect

May 18, 2022 EX-99.10

Consent of William M. Cook

Exhibit 99.10 CONSENT OF PROSPECTIVE DIRECTOR In accordance with Rule 438 promulgated under the Securities Act of 1933, as amended, I hereby consent to my being named in the Registration Statement on Form S-4, to which this consent is an exhibit, filed by Schweitzer-Mauduit International, Inc. (the ?Registrant?) with the Securities and Exchange Commission, and all amendments (including post-effect

May 17, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 FREQUENTLY ASKED QUESTIONS On Tuesday, May 17, 2022, SWM and Neenah will simultaneously announce the Executive Leadership and Business Unit leadership teams for

May 17, 2022 EX-99.1

SWM and Neenah Announce Executive Leadership Team and Operational Structure for Combined Company Post Close

Exhibit 99.1 SWM and Neenah Announce Executive Leadership Team and Operational Structure for Combined Company Post Close ALPHARETTA, GEORGIA ? May 17, 2022 ? Schweitzer-Mauduit International, Inc. (NYSE: SWM) (?SWM?) and Neenah, Inc. (NYSE: NP) (?Neenah?), two leading global manufacturers of specialty materials, today announced the future executive leadership team and operating structure for the c

May 17, 2022 425

Filed by Schweitzer-Mauduit

425 1 d298817d425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 MESSAGE 2 TO: All global SWM and Neenah Employees FROM: Jeff Kramer, CEO, SWM and Julie Schertell, President and CEO, Neenah DATE: Tues

May 17, 2022 425

Filed by

425 1 d356929d425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 TRANSCRIPT CEO Video Message for SWM and Neenah Employees May 17, 2022 Hello, SWM and Neenah teams! It’s great to connect with you all

May 17, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 17, 2022 SCHWEITZER-MAUDUIT I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 17, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (

May 17, 2022 425

Filed by Schweitzer-Mauduit

425 1 d298817d425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 MESSAGE 1 TO: All global SWM and Neenah Employees FROM: Jeff Kramer, CEO, SWM Julie Schertell, President and CEO, Neenah DATE: Tuesday,

May 17, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 17, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (

May 9, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

425 1 d261172d425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 中文 Nederlands Française Italiana Polskie Português Español தமிழ் SWM and Neenah Teams, A few weeks ago, we shared the news that SWM and

May 9, 2022 EX-10.1

Fifth Amendment, dated as of May 6, 2022, to the Credit Agreement, dated September 25, 2018 (as amended as of February 9, 2021, March 8, 2021, April 20, 2021 and February 22, 2022), by and among the Company, SWM Luxembourg, the other loan parties thereto, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on May 9, 2022).

Exhibit 10.1 EXECUTION VERSION FIFTH AMENDMENT FIFTH AMENDMENT, dated as of May 6, 2022 (this ?Amendment?), by and among SCHWEITZER-MAUDUIT INTERNATIONAL, INC., a Delaware corporation (?Parent? or ?U.S. Borrower?), SWM LUXEMBOURG, a Luxembourg private limited liability company (soci?t? ? responsabilit? limit?e), having its registered office at 17, rue Edmond Reuter, L-5326 Contern, Grand-Duchy of

May 9, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2022 SCHWEITZER-MAUDUIT IN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (C

May 9, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation) (C

May 9, 2022 EX-10.2

Amendment, dated as of May 6, 2022, to the Commitment Letter of JPMorgan Chase Bank, N.A., dated March 28, 2022.

Exhibit 10.2 JPMORGAN CHASE BANK, N.A. 383 Madison Avenue New York, New York 10179 CONFIDENTIAL May 6, 2022 Schweitzer-Mauduit International, Inc. 100 North Point Center East, Suite 600 Alpharetta, Georgia 30022 Attention: Andrew Wamser, Executive Vice President, Finance and Chief Financial Officer Project Warrior Amendment to Commitment Letter Ladies and Gentlemen: Effective as of the date hereof

May 5, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 First Quarter 2022 Earnings Conference Call May 5, 2022 Forward Looking Statements This communication contains forward-looking statements within the meaning of t

May 5, 2022 425

Filed by

425 1 d296041d425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 Event Type: Q1 2022 Earnings Call Date: 2022-05-05 Company: Schweitzer-Mauduit International, Inc. Ticker: SWM COMPANY PARTICIPANTS Mar

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 May 4, 2022 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisdict

May 4, 2022 EX-99.1

SWM ANNOUNCES FIRST QUARTER 2022 RESULTS AND AFFIRMS FULL YEAR 2022 FINANCIAL OUTLOOK

Exhibit 99.1 SWM ANNOUNCES FIRST QUARTER 2022 RESULTS AND AFFIRMS FULL YEAR 2022 FINANCIAL OUTLOOK ALPHARETTA, GA, May 4, 2022 - Schweitzer-Mauduit International, Inc. ("SWM" or the "Company") (NYSE: SWM) reported earnings results for the three months ended March 31, 2022. Adjusted measures are reconciled to GAAP at the end of this release. Financial and operating comparisons are versus the prior

May 4, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 CALCULATION OF REGISTRATION FEE Title of each class of securities to be registered Amount to be registered Proposed maximum offering price per share Proposed maximum aggregate offering price Amount of registration fee(3) Common Stock, par value $0.

May 4, 2022 EX-99.2

Consent of J.P. Morgan Securities, LLC

Exhibit 99.2 CONSENT OF J.P. MORGAN SECURITIES LLC We hereby consent to (i) the inclusion of our opinion letter dated March 27, 2022 to the board of directors of Schweitzer-Mauduit International, Inc. (?SWM?) as Annex B to the joint proxy statement/prospectus which forms a part of the registration statement on Form S-4 (the ?Registration Statement?) relating to the proposed merger of a wholly owne

May 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the transition period from to 1-13948 (Commission file number) SCHWEITZ

May 4, 2022 S-4

Powers of Attorney (included on signature pages to this Registration Statement and incorporated herein by reference)*

Table of Contents As filed with the U.S. Securities and Exchange Commission on , 2022 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 2621 62-1612879 (State of Incorporation) (Primary St

May 4, 2022 EX-99.7

Form of Schweitzer-Mauduit International, Inc. Proxy

EX-99.7 10 d633059dex997.htm EX-99.7 Exhibit 99.7 SPECIAL MEETING OF STOCKHOLDERS OF SCHWEITZER-MAUDUIT INTERNATIONAL, INC. [ ], 2022 GO GREEN e-Consent makes it easy to go paperless. With e-Consent, you can quickly access your proxy material, statements and other eligible documents online, while reducing costs, clutter and paper waste. Enroll today via www.astfinancial.com to enjoy online access.

May 4, 2022 425

SWM ANNOUNCES FIRST QUARTER 2022 RESULTS AND AFFIRMS FULL YEAR 2022 FINANCIAL OUTLOOK

425 1 form425q12022earningsrelea.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 SWM ANNOUNCES FIRST QUARTER 2022 RESULTS AND AFFIRMS FULL YEAR 2022 FINANCIAL OUTLOOK ALPHARETTA, GA, May 4, 2022 - Schw

May 4, 2022 EX-99.9

Consent of Julie M. Schertell

Exhibit 99.9 CONSENT OF PROSPECTIVE DIRECTOR In accordance with Rule 438 promulgated under the Securities Act of 1933, as amended, I hereby consent to my being named in the Registration Statement on Form S-4, to which this consent is an exhibit, filed by Schweitzer-Mauduit International, Inc. (the ?Registrant?) with the Securities and Exchange Commission, and all amendments (including post-effecti

May 4, 2022 EX-99.8

Form of Neenah, Inc. Proxy

Exhibit 99.8 NEENAH, INC. PRESTON RIDGE III 3460 PRESTON RIDGE ROAD, SUITE 600 ALPHARETTA, GA 30005 VOTE BY INTERNET Before The Meeting - Go to www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 p.m. Eastern Daylight Time the day before the cut-off date or meeting date. Have your proxy card

May 4, 2022 EX-99.3

Consent of Perella Weinberg Partners L.P.

Exhibit 99.3 CONSENT OF PERELLA WEINBERG PARTNERS L.P. We hereby consent to the inclusion of our opinion dated March 27, 2022 appearing as Annex C to, and the reference to such opinion letter under the headings ?Summary?Opinion of Neenah?s Financial Advisor? and ?The Merger?Opinion of Neenah?s Financial Advisor? in, the Registration Statement on Form S-4 of Schweitzer-Mauduit International, Inc. a

April 26, 2022 EX-10.1

Letter of Agreement, dated April 25, 2022, between the Company and Cheryl Allegri (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on April 26, 2022).

Exhibit 10.1 April 25, 2022 Cheryl Allegri 860 Garden Gate Path Roswell, GA 30075 Dear Cheryl, On behalf of Schweitzer-Mauduit International, Inc. (SWM), I am pleased to confirm your promotion to Corporate Controller & Chief Accounting Officer. Your annual salary will be $280,000, paid in accordance with the current payroll cycle. Your pay increase will be effective May 10, 2022, and your title wi

April 26, 2022 8-K

Financial Statements and Exhibits, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 April 21, 2022 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisd

April 25, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 April 25, 2022 Date of Report (Date of earliest event reported) 1-13948 (Commission file number) SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 62-1612879 (State or other jurisd

April 6, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

425 1 tm2211760-1425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 SWM Team, Last week I had a chance to share with you our exciting announcement of our merger with Neenah. Julie Schertell, Neenah Pr

April 6, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

425 1 tm2211651d1425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 The following is the transcript of a joint CEO video recording distributed to employees of Neenah, Inc. and Schweitzer-Mauduit Inter

March 29, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

425 1 tm2210579d5425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 NP-SWM SWM Social Media Content LinkedIn Instagram Twitter · · Please join us for a webcast at 8:30 a.m. ET: HERE [https://services.

March 29, 2022 425

Corrected Transcript

Corrected Transcript Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 The following is the transcript of a conference presentation conducted by Neenah, Inc. and Schweitzer-Mauduit International, Inc. on March 2

March 28, 2022 EX-99.2

Merger of Equals Creating a Leader in Specialty Materials March 28, 2022

Exhibit 99.2 Merger of Equals Creating a Leader in Specialty Materials March 28, 2022 2 Forward - Looking Statements Certain of the matters discussed in this communication which are not statements of historical fact constitute forward - looking st atements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward - looking statements, which are based on current expe

March 28, 2022 EX-2.1

Agreement and Plan of Merger, dated as of March 28, 2022, by and among SWM, Neenah and Samurai Warrior Merger Sub, Inc.

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and between schweitzer-mauduit international, inc., SAMURAI WARRIOR MERGER SUB, INC. AND NEENAH, INC. Dated as of March 28, 2022 TABLE OF CONTENTS ARTICLE I THE MERGER 2 1.1 The Merger 2 1.2 Closing 2 1.3 Effective Time 2 1.4 Effects of the Merger 2 1.5 Conversion of Neenah Common Stock 2 1.6 SWM Common Stock 3 1.7 Merger Sub Stock 3 1.8 Treatment of Nee

March 28, 2022 EX-10.1

Commitment Letter of JPMorgan Chase Bank, N.A., dated March 28, 2022

Exhibit 10.1 Execution Version JPMORGAN CHASE BANK, N.A. 383 Madison Avenue New York, New York 10179 CONFIDENTIAL March 28, 2022 Schweitzer-Mauduit International, Inc. 100 North Point Center East, Suite 600 Alpharetta, Georgia 30022 Attention: Andrew Wamser, Executive Vice President, Finance and Chief Financial Officer Commitment Letter Ladies and Gentlemen: Schweitzer-Mauduit International, Inc.

March 28, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2022 SCHWEITZER-MAUDUIT

425 1 tm2210555d18k.htm 425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other ju

March 28, 2022 EX-99.1

SWM and Neenah to Combine in All-Stock Transaction to Create a ~$3 Billion Global Leader in Specialty Materials

Exhibit 99.1 SWM and Neenah to Combine in All-Stock Transaction to Create a ~$3 Billion Global Leader in Specialty Materials ? Positioned to Better Serve Customers with Leading Technologies, Innovation, and Global Scale ? Expect at Least $65 Million in Annual Run-Rate Cost Synergies Achieved in 24-36 Months ? Complementary High-Growth Product Portfolios to Accelerate Revenue Opportunities ? Combin

March 28, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 NP-SWM SWM Customer Letter Dear Valued Customer: I am excited to share that SWM has just announced an agreement to combine with Neenah in a merger of equals to c

March 28, 2022 EX-99.1

SWM and Neenah to Combine in All-Stock Transaction to Create a ~$3 Billion Global Leader in Specialty Materials

Exhibit 99.1 SWM and Neenah to Combine in All-Stock Transaction to Create a ~$3 Billion Global Leader in Specialty Materials ? Positioned to Better Serve Customers with Leading Technologies, Innovation, and Global Scale ? Expect at Least $65 Million in Annual Run-Rate Cost Synergies Achieved in 24-36 Months ? Complementary High-Growth Product Portfolios to Accelerate Revenue Opportunities ? Combin

March 28, 2022 EX-10.1

Commitment Letter of JPMorgan Chase Bank, N.A., dated March 28, 2022

Exhibit 10.1 Execution Version JPMORGAN CHASE BANK, N.A. 383 Madison Avenue New York, New York 10179 CONFIDENTIAL March 28, 2022 Schweitzer-Mauduit International, Inc. 100 North Point Center East, Suite 600 Alpharetta, Georgia 30022 Attention: Andrew Wamser, Executive Vice President, Finance and Chief Financial Officer Commitment Letter Ladies and Gentlemen: Schweitzer-Mauduit International, Inc.

March 28, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2022 SCHWEITZER-MAUDUIT INTERNATIONAL, INC. (Exact name of registrant as specified in its charter) Delaware 1-13948 62-1612879 (State or other jurisdiction of incorporation)

March 28, 2022 EX-99.2

Merger of Equals Creating a Leader in Specialty Materials March 28, 2022

Exhibit 99.2 Merger of Equals Creating a Leader in Specialty Materials March 28, 2022 2 Forward - Looking Statements Certain of the matters discussed in this communication which are not statements of historical fact constitute forward - looking st atements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward - looking statements, which are based on current expe

March 28, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

425 1 tm2210579d1425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 SWM Team, I am writing with exciting news. This morning we announced that SWM and Neenah will combine in a merger of equals transact

March 28, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

425 1 tm2210579d6425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240

March 28, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

425 1 tm2210579d4425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 NP-SWM SWM Supplier Letter Dear Valued Partner: I am excited to share that SWM has just announced an agreement to combine with Neena

March 28, 2022 EX-2.1

Agreement and Plan of Merger, dated March 28, 2022, by and between Neenah, Inc, Mativ Holdings, Inc. (f/k/a Schweitzer-Mauduit International, Inc.) and Samurai Warrior Merger Sub, Inc. (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on March 28, 2022).***

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and between schweitzer-mauduit international, inc., SAMURAI WARRIOR MERGER SUB, INC. AND NEENAH, INC. Dated as of March 28, 2022 TABLE OF CONTENTS ARTICLE I THE MERGER 2 1.1 The Merger 2 1.2 Closing 2 1.3 Effective Time 2 1.4 Effects of the Merger 2 1.5 Conversion of Neenah Common Stock 2 1.6 SWM Common Stock 3 1.7 Merger Sub Stock 3 1.8 Treatment of Nee

March 28, 2022 425

Filed by Schweitzer-Mauduit International, Inc.

425 1 tm2210579d2425.htm 425 Filed by Schweitzer-Mauduit International, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and Deemed Filed under Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Neenah, Inc. Commission File No. 001-32240 SWM Employee FAQ 1. What was announced? • SWM and Neenah have signed a definitive agreement to combine in an all-stock merger of equ

March 18, 2022 DEF 14A

Schedule 14A

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ????) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? ? Confidential, for Use of the Commission Only (as permitted by R

March 1, 2022 EX-4.3

Description of registrant's securities

EX-4.3 2 ex43descriptionofregistran.htm EX-4.3 Exhibit 4.3 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Schweitzer-Mauduit International, Inc., a Delaware corporation (the “Company,” “Schweitzer-Mauduit,” “we,” “our” or “us”), has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common

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