TRST / TrustCo Bank Corp NY - SEC फाइलिंग, वार्षिक रिपोर्ट, प्रॉक्सी स्टेटमेंट

ट्रस्टको बैंक कॉर्प एनवाई
US ˙ NasdaqGS ˙ US8983492047

मूलभूत आँकड़े
LEI 549300GCEP3NM7A1X491
CIK 357301
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 TrustCo Bank Corp NY
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 19, 2025 EX-99.(A)

Dividend Increase of 5.6%: Trustco Shareholders Benefit From Corporate Success As Company Announces Increased Payout

Exhibit 99.1 News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M. Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 Dividend Increase of 5.6%: Trustco Shareholders Benefit From Corporate Success As Company Announces Increased Payout Glenville, New York – August 19, 2025 The Board of Directors o

August 19, 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 Date of Report (Date of earliest event reported): August 19, 2025 TrustCo Bank Corp

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 19, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) NEW YORK 000-10592 14-1630287 (State or Other Jurisdiction of Incorporation) (Commission Fi

August 8, 2025 EX-31.B

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Michael M.

August 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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 000-10592 TRUSTCO BANK CORP NY (

August 8, 2025 EX-15

Exhibit 15

Exhibit 15 August 8, 2025 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE JUNE 30, 2025 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated August 8, 2025, on our reviews of the interim financial information of TrustCo Bank Corp NY as of June 30, 2025 and for the three and six-month periods ended June 30, 2025 and 2024, included in the Company's quarterly report on Form 10-Q for the quarter ended June 30, 2025, is incorporated by reference in its Registration Statements, Form S-8 (No.

August 8, 2025 EX-31.A

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(a) Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Robert J.

July 21, 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 Date of Report (date of earliest event reported): July 21, 2025 TrustCo Bank Corp N

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 21, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Comm

July 21, 2025 EX-99

Skillful Application of Fundamental Principles Yields Standout Results: TrustCo Announces Net Income Up 19.8%; Net Interest Income up 10.5%

Exhibit 99.1(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Nasdaq - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: Skillful Application of Fundamental Principles Yields Standout Results: TrustCo Announces Net Income Up 19.8%; Net Interest Income up 10.5% Executive Snapshot: • Ba

July 10, 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 Date of Report (date of earliest event reported): July 10, 2025 TrustCo Bank Corp N

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 10, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Comm

July 10, 2025 EX-99.(A)

TrustCo to Release Second Quarter 2025 Results on July 21, 2025; Conference Call on July 22, 2025

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release Second Quarter 2025 Results on July 21, 2025; Conference Call on July 22, 2025 FOR IMMEDIATE RELEASE: Glenville, New York – July 10, 2025 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release second quarter 2025 results after the market close on July 21, 2025.

May 21, 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 Date of report (date of earliest event reported): May 20, 2025 TrustCo Bank Corp NY

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 20, 2025 TrustCo Bank Corp NY (Exact Name of Registrant as specified in its charter) NEW YORK 0-10592 14-1630287 State or other jurisdiction of incorporation Commission File Numbe

May 21, 2025 EX-99.A

Strong First Quarter Supports TrustCo’s Declaration of Dividend; Continues Reliable Payout

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

May 21, 2025 EX-99.A

TrustCo Bank Corp NY2025 annual meeting of shareholders Robert J. McCormick Chairman, President, and CEO TrustCo Bank Corp NY 2 Company Profile Assets: $6.3bn Gross Loans: $5.1bn Deposits: $5.5bn Q1 2025 Financial Highlights Company Overview Headquar

Exhibit 99(a) TrustCo Bank Corp NY2025 annual meeting of shareholders Robert J. McCormick Chairman, President, and CEO TrustCo Bank Corp NY 2 Company Profile Assets: $6.3bn Gross Loans: $5.1bn Deposits: $5.5bn Q1 2025 Financial Highlights Company Overview Headquarters Glenville, NY Founded 1902 Ticker NASDAQ: TRST Market Cap(1) 602m Branches(2) 136 Employees 740 Institutional Ownership 68.57% Lead

May 21, 2025 8-K

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): May 20, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Commi

May 9, 2025 EX-31.B

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Michael M.

May 9, 2025 EX-15

Exhibit 15

Exhibit 15 May 9, 2025 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE MARCH 31, 2025 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated May 9, 2025, on our reviews of the interim financial information of TrustCo Bank Corp NY as of March 31, 2025 and for the three-month periods ended March 31, 2025 and 2024, included in the Company's quarterly report on Form 10-Q for the quarter ended March 31, 2025, is incorporated by reference in its Registration Statements, Form S-8 (No.

May 9, 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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 000-10592 TRUSTCO BANK CORP NY

May 9, 2025 EX-31.A

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(a) Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Robert J.

May 5, 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)) ☐ Defin

April 21, 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 Date of Report (date of earliest event reported): April 21, 2025 TrustCo Bank Corp

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): April 21, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

April 21, 2025 EX-99.A

TrustCo Reports First Quarter 2025 Net Income of $14.3 Million From Repricing Loan Portfolio and Well-Managed Cost of Funds

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Nasdaq - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo Reports First Quarter 2025 Net Income of $14.

April 10, 2025 8-K

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): April 10, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

April 10, 2025 EX-99.A

TrustCo to Release First Quarter 2025 Results on April 21, 2025; Conference Call on April 22, 2025

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release First Quarter 2025 Results on April 21, 2025; Conference Call on April 22, 2025 FOR IMMEDIATE RELEASE: Glenville, New York – April 10, 2025 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release first quarter 2025 results after the market close on April 21, 2025.

April 1, 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 (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 (

April 1, 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 Ru

March 18, 2025 EX-99.1

TrustCo Bank Corp NY Announces Million Share Stock Repurchase Plan

Exhibit 99.1 News Release 5 Sarnowski Drive, Glenville, New York 12302 Subsidiary: Trustco Bank Nasdaq - TRST Contact: Robert M. Leonard Executive Vice President (518) 381-3693 TrustCo Bank Corp NY Announces Million Share Stock Repurchase Plan FOR IMMEDIATE RELEASE Glenville, New York - March 18, 2025 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) (the “Company” or “TrustCo”) today announced that it

March 18, 2025 8-K

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 18, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) NEW YORK 0-10592 14-1630287 (State or Other Jurisdiction of Incorporation or Organization) (

March 14, 2025 EX-19

Insider Trading Policy

Exhibit 19 Insider Trading Policy This Insider Trading Policy (this “Policy”) provides standards with respect to transactions in the securities of TrustCo Bank Corp NY, a New York corporation (the “Company”), and the handling of confidential information about the Company and companies with which the Company does business.

March 14, 2025 EX-10.GG

2024 Directors Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan

Exhibit 10(gg) 2024 Directors Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan This Directors Restricted Stock Unit Award Agreement (this “Agreement”) under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan (the “Plan”), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the “Company”) and the participant set forth in Paragraph 3 (the “Participant”).

March 14, 2025 EX-10.EE

Form of 2024 Performance Share Award Agreement under the Amended and Restated TrustCo Bank Corp NY 2019 Equity Incentive Plan

Exhibit 10(ee) Form of 2024 Performance Share Award Agreement under the Amended and Restated TrustCo Bank Corp NY 2019 Equity Incentive Plan This Performance Share Award Agreement (Stock Settled) (this “Agreement”) under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan (the “Plan”), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the “Company”) and the Participant set forth in Paragraph 3.

March 14, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Fiscal Year Ended December 31, 2024 ☐ Transition Report Pursuant to Secti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 Commission file number 000-10592 TRUSTCO BANK CORP NY (Exac

March 14, 2025 EX-13

Years ended December 31,

Exhibit 13   TrustCo Bank Corp NY (the “Company,” or “TrustCo”) is a savings and loan holding company headquartered in Glenville, New York.

March 14, 2025 EX-10.FF

2024 Time-Based Restricted Stock Unit Award Agreement (Stock Settled) under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan

Exhibit 10(ff) 2024 Time-Based Restricted Stock Unit Award Agreement (Stock Settled) under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan This Restricted Stock Unit Award Agreement (Stock Settled) (this “Agreement”) under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan (the “Plan”), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the “Company”) and the participant set forth in Paragraph 3 (the “Participant”).

March 14, 2025 EX-31.IA

31(i)(a) †

Exhibit 31(i)(a) Certification I, Robert J. McCormick, certify that: 1. I have reviewed this Annual Report on Form 10-K of TrustCo Bank Corp NY (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

March 14, 2025 EX-31.IB

31(i)(b) †

Exhibit 31(i)(b) Certification I, Michael M. Ozimek, certify that: 1. I have reviewed this Annual Report on Form 10-K of TrustCo Bank Corp NY (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, no

March 14, 2025 EX-21

SUBSIDIARIES OF TRUSTCO BANK CORP NY

Exhibit 21 SUBSIDIARIES OF TRUSTCO BANK CORP NY Trustco Bank Federal savings bank ORE Subsidiary Corp.

March 14, 2025 EX-24

Power of Attorney

Exhibit 24 Power of Attorney KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned, being a director of TrustCo Bank Corp NY, a New York corporation (the “Company”), hereby constitutes and appoints Michael M.

February 20, 2025 8-K

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): February 18, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

February 20, 2025 EX-99.A

TrustCo Announces First Dividend of 2025; Continues Annualized Payout of $1.44 per share

Exhibit 99(a) Corrected News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

January 21, 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 Date of Report (date of earliest event reported): January 21, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

January 21, 2025 EX-99.A

Trustco Caps Year of Efficiency, Strength, and Value - Reports Fourth Quarter 2024 Net Income of $11.3 Million; $48.8 Million for the Year

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Nasdaq - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: Trustco Caps Year of Efficiency, Strength, and Value - Reports Fourth Quarter 2024 Net Income of $11.

January 10, 2025 8-K

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): January 10, 2025 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

January 10, 2025 EX-99.(A)

TrustCo to Release Fourth Quarter 2024 Results on January 21, 2025; Conference Call on January 22, 2025

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release Fourth Quarter 2024 Results on January 21, 2025; Conference Call on January 22, 2025 FOR IMMEDIATE RELEASE: Glenville, New York – January 10, 2025 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release fourth quarter 2024 results after the market close on January 21, 2025.

November 19, 2024 8-K

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): November 19, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

November 19, 2024 EX-99.(A)

TRUSTCO CONTINUES UNINTERRUPTED CENTURY-LONG STREAK OF DIVIDEND PAYMENTS – DECLARES $0.36 PER SHARE

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

November 8, 2024 EX-15

Exhibit 15

Exhibit 15 November 8, 2024 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE SEPTEMBER 30, 2024 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated November 8, 2024, on our reviews of the interim financial information of TrustCo Bank Corp NY as of September 30, 2024 and for the three and nine-month periods ended September 30, 2024 and 2023, included in the Company's quarterly report on Form 10-Q for the quarter ended September 30, 2024, is incorporated by reference in its Registration Statements, Form S-8 (No.

November 8, 2024 EX-31.(B)

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Michael M.

November 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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 000-10592 TRUSTCO BANK CORP

November 8, 2024 EX-31.(A)

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(a) Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Robert J.

October 21, 2024 EX-99.A

Trustco Reports Third Quarter 2024 Net Income of $12.9 Million; Skillful Application of Strong Fundamentals Produce Solid Results

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Nasdaq - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: Trustco Reports Third Quarter 2024 Net Income of $12.

October 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 Date of Report (date of earliest event reported): October 21, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

October 10, 2024 EX-99.(A)

TrustCo to Release Third Quarter 2024 Results on October 21, 2024; Conference Call on October 22, 2024

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release Third Quarter 2024 Results on October 21, 2024; Conference Call on October 22, 2024 FOR IMMEDIATE RELEASE: Glenville, New York – October 10, 2024 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release third quarter 2024 results after the market close on October 21, 2024.

October 10, 2024 8-K

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): October 10, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

August 20, 2024 EX-99.(A)

RENDERING SPECULATION UNNECESSARY, TRUSTCO DELIVERS AGAIN WITH A QUARTERLY DIVIDEND OF $0.36 PER SHARE

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

August 20, 2024 8-K

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): August 20, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Co

August 9, 2024 EX-31.B

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Michael M.

August 9, 2024 EX-31.A

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(a) Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Robert J.

August 9, 2024 EX-15

Exhibit 15

Exhibit 15 August 9, 2024 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE JUNE 30, 2024 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated August 9, 2024, on our reviews of the interim financial information of TrustCo Bank Corp NY as of June 30, 2024 and for the three and six-month periods ended June 30, 2024 and 2023, included in the Company’s quarterly report on Form 10-Q for the quarter ended June 30, 2024, is incorporated by reference in its Registration Statements, Form S-8 (No.

August 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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 000-10592 TRUSTCO BANK CORP NY (

July 22, 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 Date of Report (date of earliest event reported): July 22, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Comm

July 22, 2024 EX-99.A

TRUSTCO DELIVERS ONCE AGAIN WITH SECOND QUARTER RESULTS NET INTEREST MARGIN UP 3.7% ON LOAN GROWTH OF 3.8%

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Nasdaq - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: TRUSTCO DELIVERS ONCE AGAIN WITH SECOND QUARTER RESULTS NET INTEREST MARGIN UP 3.

July 16, 2024 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 11(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): July 16, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) NEW YORK 0-10592 14-1630287 (State or Other Jurisdiction of Incorporation or Organization) (C

July 10, 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 Date of Report (date of earliest event reported): July 10, 2024 TrustCo Bank Corp N

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 10, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Comm

July 10, 2024 EX-99.A

TrustCo to Release Second Quarter 2024 Results on July 22, 2024; Conference Call on July 23, 2024

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release Second Quarter 2024 Results on July 22, 2024; Conference Call on July 23, 2024 FOR IMMEDIATE RELEASE: Glenville, New York – July 10, 2024 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release second quarter 2024 results after the market close on July 22, 2024.

May 23, 2024 EX-99.(A)

TrustCo Bank Corp NY2024 annual meeting of shareholders Robert J. McCormick Chairman, President, and CEO TrustCo Bank Corp NY 2 Company Profile Assets: $6.2bn Gross Loans: $5.01bn Deposits: $5.4bn Q1 2024 Financial Highlights Company Overview Headqua

Exhibit 99(a) TrustCo Bank Corp NY2024 annual meeting of shareholders Robert J. McCormick Chairman, President, and CEO TrustCo Bank Corp NY 2 Company Profile Assets: $6.2bn Gross Loans: $5.01bn Deposits: $5.4bn Q1 2024 Financial Highlights Company Overview Headquarters Glenville, NY Founded 1902 Ticker NASDAQ: TRST Market Cap(1) 524m Branches(2) 139 Employees 808 Institutional Ownership 68.71% Lea

May 23, 2024 8-K

Financial Statements and Exhibits, Other Events, 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): May 21, 2024 TrustCo Bank Corp NY (Exact Name of Registrant as specified in its charter) NEW YORK 0-10592 14-1630287 State or other jurisdiction of incorporation Commission File Numbe

May 21, 2024 EX-99.(A)

WITH STEADFAST RELIABILITY; TRUSTCO REPORTS QUARTERLY DIVIDEND OF $0.36 PER SHARE

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

May 21, 2024 8-K

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): May 21, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Commi

May 9, 2024 EX-15

Exhibit 15

Exhibit 15 May 9, 2024 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE MARCH 31, 2024 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated May 9, 2024, on our reviews of the interim financial information of TrustCo Bank Corp NY as of March 31, 2024 and for the three-month periods ended March 31, 2024 and 2023, included in the Company's quarterly report on Form 10-Q for the quarter ended March 31, 2024, is incorporated by reference in its Registration Statements, Form S-8 (No.

May 9, 2024 EX-31.A

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(a) Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Robert J.

May 9, 2024 EX-31.B

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Michael M.

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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 000-10592 TRUSTCO BANK CORP NY

April 22, 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 Date of Report (date of earliest event reported): April 22, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

April 22, 2024 EX-99.A

Loans Reach Another All-Time High, Credit Quality Remains Solid; TrustCo Reports Net Income of $12.1 Million and Capital Up 3%

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Nasdaq - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: Loans Reach Another All-Time High, Credit Quality Remains Solid; TrustCo Reports Net Income of $12.

April 10, 2024 EX-99.(A)

TrustCo to Release First Quarter 2024 Results on April 22, 2024; Conference Call on April 23, 2024

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release First Quarter 2024 Results on April 22, 2024; Conference Call on April 23, 2024 FOR IMMEDIATE RELEASE: Glenville, New York – April 10, 2024 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release first quarter 2024 results after the market close on April 22, 2024.

April 10, 2024 8-K

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): April 10, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

April 1, 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))

April 1, 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

March 29, 2024 EX-99.1

TRUSTCO BANK CORP NY ANNOUNCES STOCK REPURCHASE PLAN

Exhibit 99.1 News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert M. Leonard Executive Vice President (518) 381-3693 TRUSTCO BANK CORP NY ANNOUNCES STOCK REPURCHASE PLAN FOR IMMEDIATE RELEASE Glenville, New York – March 29, 2024 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that its Board of Directors has approved a stock

March 29, 2024 8-K

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 29, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

March 11, 2024 EX-13

Years ended December 31,

Exhibit 13   TrustCo Bank Corp NY (the “Company,” or “TrustCo”) is a savings and loan holding company headquartered in Glenville, New York.

March 11, 2024 EX-24

Power of Attorney

Exhibit 24 Power of Attorney KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned, being a director of TrustCo Bank Corp NY, a New York corporation (the “Company”), hereby constitutes and appoints Michael M.

March 11, 2024 EX-4.(A)

DESCRIPTION OF CAPITAL STOCK

Exhibit 4(a) DESCRIPTION OF CAPITAL STOCK General TrustCo Bank Corp NY (“TrustCo”) is currently authorized to issue 30,000,000 shares of common stock, par value $1.

March 11, 2024 EX-21

SUBSIDIARIES OF TRUSTCO BANK CORP NY

Exhibit 21 SUBSIDIARIES OF TRUSTCO BANK CORP NY Trustco Bank Federal savings bank ORE Subsidiary Corp.

March 11, 2024 EX-31.IA

31(i)(a) †

Exhibit 31(i)(a) Certification I, Robert J. McCormick, certify that: 1. I have reviewed this Annual Report on Form 10-K of TrustCo Bank Corp NY (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

March 11, 2024 EX-10.II

10(ii) †

Exhibit 10(ii) 2023 Directors Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan This Directors Restricted Stock Unit Award Agreement (this “Agreement”) under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan (the “Plan”), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the “Company”) and the participant set forth in Paragraph 3 (the “Participant”).

March 11, 2024 EX-31.IB

31(i)(b) †

Exhibit 31(i)(b) Certification I, Michael M. Ozimek, certify that: 1. I have reviewed this Annual Report on Form 10-K of TrustCo Bank Corp NY (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, no

March 11, 2024 EX-97

Executive Compensation Clawback Policy

Exhibit 97 Executive Compensation Clawback Policy 1. Purpose. The purpose of this Policy is to describe the circumstances in which Executive Officers will be required to repay, return, or forfeit Erroneously Awarded Compensation to the Company. This Policy shall be interpreted to (1) comply with Rule 10D-1 promulgated under the Securities Exchange Act of 1934, as amended, and the related listing r

March 11, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Fiscal Year Ended December 31, 2023 ☐ Transition Report Pursuant to Secti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 Commission file number 0-10592 TRUSTCO BANK CORP NY (Exact

March 4, 2024 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 11(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): February 28, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) NEW YORK 0-10592 14-1630287 (State or Other Jurisdiction of Incorporation or Organization

February 21, 2024 8-K

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): February 20, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

February 21, 2024 EX-99.(A)

Strong Capital Supports TrustCo’s Consistent Dividend; Annualized Payout of $1.44 per share

Exhibts 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

February 13, 2024 SC 13G/A

TRST / TrustCo Bank Corp NY / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv02120-trustcobankcorpny.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7)* Name of issuer: TrustCo Bank Corp NY Title of Class of Securities: Common Stock CUSIP Number: 898349204 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to desig

February 9, 2024 SC 13G/A

TRST / TrustCo Bank Corp NY / DIMENSIONAL FUND ADVISORS LP - 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 )* TrustCo Bank Corp NY (Name of Issuer) Common Stock (Title of Class of Securities) 898349204 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box t

January 22, 2024 EX-99.A

TrustCo’s Total Loans Surpass $5 Billion - Reach All-Time High; Nonperforming Assets to Total Assets at 0.29%, Lowest in 17 Years

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Nasdaq - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo’s Total Loans Surpass $5 Billion - Reach All-Time High; Nonperforming Assets to Total Assets at 0.

January 22, 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 Date of Report (date of earliest event reported): January 22, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

January 10, 2024 EX-99.A

TrustCo to Release Fourth Quarter 2023 Results on January 22, 2024; Conference Call on January 23, 2024

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release Fourth Quarter 2023 Results on January 22, 2024; Conference Call on January 23, 2024 FOR IMMEDIATE RELEASE: Glenville, New York – January 10, 2024 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release fourth quarter 2023 results after the market close on January 22, 2024.

January 10, 2024 8-K

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): January 10, 2024 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

November 24, 2023 EX-10.B

2023 Equity Awards Time-Based Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan

Exhibit 10(b) 2023 Equity Awards 2023 Time-Based Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan This Restricted Stock Unit Award Agreement (this “Agreement”) under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan (the “Plan”), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the “Company”) and the participant set forth in Paragraph 3 (the “Participant”).

November 24, 2023 EX-10.A

2023 Performance Share Award Agreement under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan

Exhibit 10(a) 2023 Performance Share Award Agreement under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan This Performance Share Award Agreement (this “Agreement”) under the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan (the “Plan”), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the “Company”) and the Participant set forth in Paragraph 3.

November 24, 2023 EX-99

TrustCo Bank Corp NY 2023 Equity Awards

EXHIBIT 99 TRUSTCO BANK CORP NY TrustCo Bank Corp NY 2023 Equity Awards 2023 Officer Awards Officer Restricted Unit Awards Performance Unit Awards Threshold Target Max R McCormick 12,551 4,707 18,826 28,239 R Leonard 4,799 1,800 7,199 10,799 M Ozimek 3,322 1,246 4,984 7,476 K Curley 3,322 1,246 4,984 7,476

November 24, 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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 11(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): November 21, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) NEW YORK 0-10592 14-1630287 (State or Other Jurisdiction of Incorporation or Organization

November 21, 2023 EX-99.A

Strong Capital Supports TrustCo’s Consistent Dividend; Annualized Payout of $1.44 per share

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

November 21, 2023 8-K

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): November 21, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

November 8, 2023 EX-15

Exhibit 15

Exhibit 15 November 8, 2023 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE SEPTEMBER 30, 2023 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated November 8, 2023, on our reviews of the interim financial information of TrustCo Bank Corp NY as of September 30, 2023 and for the three and nine-month periods ended September 30, 2023 and 2022, included in the Company's quarterly report on Form 10-Q for the quarter ended September 30, 2023, is incorporated by reference in its Registration Statements, Form S-8 (No.

November 8, 2023 EX-31.A

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(a) Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Robert J.

November 8, 2023 EX-31.B

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Michael M.

November 8, 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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 000-10592 TRUSTCO BANK CORP

October 23, 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 Date of Report (date of earliest event reported): October 23, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

October 23, 2023 EX-99.A

TrustCo’s Home Town Approach to Customer Relationships Propels Loans to All Time High Reports Third Quarter Net Income Of $14.7 million

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo’s Home Town Approach to Customer Relationships Propels Loans to All Time High Reports Third Quarter Net Income Of $14.

October 17, 2023 EX-3.1

AMENDED AND RESTATED BYLAWS OF TRUSTCO BANK CORP NY (a New York State Corporation) October 17, 2023 ARTICLE 1

Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF TRUSTCO BANK CORP NY (a New York State Corporation) October 17, 2023 ARTICLE 1 SHAREHOLDERS 1.1 PLACE OF MEETINGS. Every meeting of shareholders of TrustCo Bank Corp NY (the “Corporation”) shall be held at such place within or without the State of New York as shall be designated by the Board of Directors (the “Board”) of the Corporation in the notice of s

October 17, 2023 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, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 11(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): October 17, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) NEW YORK 0-10592 14-1630287 (State or Other Jurisdiction of Incorporation or Organization)

October 17, 2023 EX-99.(A)

TrustCo Announces the Addition of Steffani Cotugno to the Board of Directors

Section 2: EX-99.(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 Subsidiary: Trustco Bank Contact: Robert M. Leonard Executive Vice President (518) 381-3693 TrustCo Announces the Addition of Steffani Cotugno to the Board of Directors Glenville, New York, October 17, 2023 On October 17, 2023, TrustCo Bank Corp NY (the “Company”) (Nasdaq: TRST) announced that Steffani Cotugno, D.O. was

October 10, 2023 8-K

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): October 10, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

October 10, 2023 EX-99.A

TrustCo to Release Third Quarter 2023 Results on October 23, 2023; Conference Call on October 24, 2023

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release Third Quarter 2023 Results on October 23, 2023; Conference Call on October 24, 2023 FOR IMMEDIATE RELEASE: Glenville, New York – October 10, 2023 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release third quarter 2023 results after the market close on October 23, 2023.

August 15, 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 15, 2023 TrustCo Bank Corp

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 15, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Co

August 15, 2023 EX-99.A

Buoyed by Strong Liquidity and Deposit Stability, TrustCo Declares Dividend

Exhibit 99.(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M. Leonard Executive Vice President (518) 381-3693 Buoyed by Strong Liquidity and Deposit Stability, TrustCo Declares Dividend Glenville, New York – August 15, 2023 The Board of Directors of TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) on August 15, 2

August 8, 2023 EX-31.B

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Michael M.

August 8, 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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 000-10592 TRUSTCO BANK CORP NY (

August 8, 2023 EX-15

Exhibit 15

Exhibit 15 August 8, 2023 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE JUNE 30, 2023 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated August 8, 2023, on our reviews of the interim financial information of TrustCo Bank Corp NY as of June 30, 2023 and for the three and six-month periods ended June 30, 2023 and 2022, included in the Company’s quarterly report on Form 10-Q for the quarter ended June 30, 2023, is incorporated by reference in its Registration Statements, Form S-8 (No.

August 8, 2023 EX-31.A

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(a) Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Robert J.

July 24, 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): July 24, 2023 TrustCo Bank Corp N

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 24, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Comm

July 24, 2023 EX-99.(A)

TrustCo Reports Second Quarter Net Income of $16.4 Million and $346 Million of Loan Growth; Maintains Strong Liquidity and Demonstrates Deposit Stability

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo Reports Second Quarter Net Income of $16.

July 10, 2023 8-K

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): July 10, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Comm

July 10, 2023 EX-99.A

TrustCo to Release Second Quarter 2023 Results on July 24, 2023; Conference Call on July 25, 2023

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release Second Quarter 2023 Results on July 24, 2023; Conference Call on July 25, 2023 FOR IMMEDIATE RELEASE: Glenville, New York – July 10, 2023 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release second quarter 2023 results after the market close on July 24, 2023.

June 21, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 11(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): June 20, 2023 TrustCo Bank Corp N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 11(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): June 20, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 (State or Other Jurisdiction of Incorporation or Organization) (C

May 26, 2023 CORRESP

5 Sarnowski Drive • Glenville, NY 12302

Michael M. Ozimek, CPA Executive Vice President & Chief Financial Officer May 26, 2023 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Attention: John Stickel Re: TrustCo Bank Corp NY Registration Statement on Form S-3 (File No. 333-272184) Request for Acceleration of Effectiveness Dear Mr. Stickel: Pursuant to the

May 24, 2023 S-3

As filed with the Securities and Exchange Commission on May 24, 2023

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on May 24, 2023 Registration No.

May 24, 2023 EX-15.1

May 24, 2023

EX-15.1 3 ny20009243x1ex15-1.htm EXHIBIT 15.1 Exhibit 15.1 May 24, 2023 Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 RE: FILING OF THE MARCH 31, 2023 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated May 9, 2023, on our review of the interim financial information of TrustCo Bank Corp NY for the three-month periods ended March 31, 2023

May 24, 2023 S-8

As filed with the Securities and Exchange Commission on May 24, 2023

As filed with the Securities and Exchange Commission on May 24, 2023 Registration No.

May 24, 2023 EX-15.1

May 24, 2023

EX-15.1 3 brhc20053355ex15-1.htm EXHIBIT 15.1 Exhibit 15.1 May 24, 2023 Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 RE: FILING OF THE MARCH 31, 2023 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated May 9, 2023, on our review of the interim financial information of TrustCo Bank Corp NY for the three-month periods ended March 31, 2023

May 24, 2023 EX-FILING FEES

Calculation of Filing Fee Tables Form S-8

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) TrustCo Bank Corp NY (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (1)(2) Proposed Maximum Offering Price Per Unit (3) Maximum Aggregate Offering Price (3) Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to Be Carried Forward Newly Registered Securities Fees to Be Paid Equity Common stock, par value $1.

May 24, 2023 EX-24.1

POWER OF ATTORNEY 1933 ACT REGISTRATION STATEMENT ON FORM S-8 TRUSTCO BANK CORP NY

EX-24.1 5 brhc20053355ex24-1.htm EXHIBIT 24.1 Exhibit 24.1 POWER OF ATTORNEY 1933 ACT REGISTRATION STATEMENT ON FORM S-8 of TRUSTCO BANK CORP NY KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Robert J. McCormick, Robert M. Leonard or Michael M. Ozimek, and each of them, his or her true and lawful attorneys-in-fact and agents with full power

May 24, 2023 EX-FILING FEES

Calculation of Filing Fee Tables Form S-3 (Form Type) TrustCo Bank Corp NY (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) TrustCo Bank Corp NY (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (1)(2) Proposed Maximum Offering Price Per Unit (3) Maximum Aggregate Offering Price (3) Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to Be Carried Forward Newly Registered Securities Fees to Be Paid Equity Common stock, par value $1.

May 24, 2023 EX-24.1

POWER OF ATTORNEY 1933 ACT REGISTRATION STATEMENT ON FORM S-3 TRUSTCO BANK CORP NY

Exhibit 24 POWER OF ATTORNEY 1933 ACT REGISTRATION STATEMENT ON FORM S-3 of TRUSTCO BANK CORP NY KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Robert J.

May 22, 2023 8-K

Financial Statements and Exhibits, Other Events, 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): May 18, 2023 TrustCo Bank Corp NY (Exact Name of Registrant as specified in its charter) NEW YORK 0-10592 14-1630287 State or other jurisdiction of incorporation Commission File Numbe

May 22, 2023 EX-99.A

TrustCo Bank COrp ny2023 Annual meeting of Shareholders Robert J. McCormick, Chairman, President, and CEO

Exhibit 99(a) TrustCo Bank COrp ny2023 Annual meeting of Shareholders Robert J. McCormick, Chairman, President, and CEO Agenda Remarks by the President Shareholder Questions and Comments Adjournment TrustCo Bank Corp NY Annual Meeting 2023 3 TrustCo Celebrated its 40 Year Listing Anniversary with Nasdaq on April 18, 2023 *Source: Bloomberg Effect of 1-for-5 Reverse Stock SplitImplemented May 28, 2

May 16, 2023 EX-99.A

Built on an Independent and Strong Foundation, TrustCo Declares Dividend

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

May 16, 2023 8-K

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): May 16, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Commi

May 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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 000-10592 TRUSTCO BANK CORP NY

May 9, 2023 EX-31.B

Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(b) Certification by the Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Michael M.

May 9, 2023 EX-15

Exhibit 15

EX-15 2 brhc20052580ex15.htm EXHIBIT 15 Exhibit 15 May 9, 2023 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE MARCH 31, 2023 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated May 9, 2023, on our reviews of the interim financial information of TrustCo Bank Corp NY as of March 31, 2023 and for the three-month periods

May 9, 2023 EX-31.A

Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 31(a) Certification by the Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Robert J.

May 3, 2023 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)) ☐ Defin

April 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 11(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): April 26, 2023 TrustCo Bank Corp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 11(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): April 26, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) NEW YORK 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

April 27, 2023 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)) ☐ Defin

April 26, 2023 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)) ☐ Defin

April 24, 2023 EX-99.A

TrustCo Demonstrates Strength and Stability; Reports First Quarter Net Income of $17.7 Million and 7.0% Average Loan Growth – Both Up Year Over Year

EX-99.A 2 brhc20051769ex99-a.htm EXHIBIT 99(A) Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo Demonstrates Strength and Stability; Reports First Quarter Net Income of $17.7 Million and 7.0% Average Loan Gr

April 24, 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): April 24, 2023 TrustCo Bank Corp

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): April 24, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

April 11, 2023 EX-99.A

TrustCo to Release First Quarter 2023 Results on April 24, 2023; Conference Call on April 25, 2023

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release First Quarter 2023 Results on April 24, 2023; Conference Call on April 25, 2023 FOR IMMEDIATE RELEASE: Glenville, New York – April 11, 2023 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release first quarter 2023 results after the market close on April 24, 2023.

April 11, 2023 8-K

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): April 11, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

April 3, 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

April 3, 2023 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)) ☐

March 17, 2023 8-K

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 17, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

March 17, 2023 EX-99.1

TRUSTCO BANK CORP NY ANNOUNCES STOCK REPURCHASE PLAN

Exhibit 99.1 News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert M. Leonard Executive Vice President (518) 381-3693 TRUSTCO BANK CORP NY ANNOUNCES STOCK REPURCHASE PLAN FOR IMMEDIATE RELEASE Glenville, New York – March 17, 2023 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that its Board of Directors has approved a stock

March 1, 2023 EX-31.(I)(B)

Exhibit 31(i)(b)

Exhibit 31(i)(b) Certification I, Michael M. Ozimek, certify that: 1. I have reviewed this Annual Report on Form 10-K of TrustCo Bank Corp NY (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, no

March 1, 2023 EX-24

Power of Attorney

EX-24 6 brhc10048869ex24.htm EXHIBIT 24 Exhibit 24 Power of Attorney KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned, being a director of TrustCo Bank Corp NY, a New York corporation (the “Company”), hereby constitutes and appoints Michael M. Ozimek and Robert M. Leonard, and each of them, his or her true and lawful attorney-in-fact and agent, with full power to act separately and ful

March 1, 2023 EX-31.(I)(A)

Exhibit 31(i)(a)

Exhibit 31(i)(a) Certification I, Robert J. McCormick, certify that: 1. I have reviewed this Annual Report on Form 10-K of TrustCo Bank Corp NY (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

March 1, 2023 EX-13

Years ended December 31,

Exhibit 13   TrustCo Bank Corp NY (the “Company,” or “TrustCo”) is a savings and loan holding company headquartered in Glenville, New York.

March 1, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Fiscal Year Ended December 31, 2022 ☐ Transition Report Pursuant to Secti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ 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 Commission file number 0-10592 TRUSTCO BANK CORP NY (Exact

March 1, 2023 EX-10.(JJ)

2022 Directors Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan

Exhibit 10(jj) 2022 Directors Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan This Directors Restricted Stock Unit Award Agreement (this “Agreement”) under the TrustCo Bank Corp NY 2019 Equity Incentive Plan (the “Plan”), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the “Company”) and the Participant set forth below.

March 1, 2023 EX-21

SUBSIDIARIES OF TRUSTCO BANK CORP NY

Exhibit 21 SUBSIDIARIES OF TRUSTCO BANK CORP NY Trustco Bank Federal savings bank ORE Subsidiary Corp.

February 22, 2023 8-K

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): February 21, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

February 22, 2023 EX-99.A

TrustCo dividend offers stability in a volatile environment

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

February 10, 2023 SC 13G

TRST / TrustCo Bank Corp NY / DIMENSIONAL FUND ADVISORS LP - 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. )* TrustCo Bank Corp NY (Name of Issuer) Common Stock (Title of Class of Securities) 898349204 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to de

February 9, 2023 SC 13G/A

TRST / TrustCo Bank Corp NY / 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.: 6)* Name of issuer: TrustCo Bank Corp. NY Title of Class of Securities: Common Stock CUSIP Number: 898349204 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

January 23, 2023 EX-99.A

TrustCo Caps Off 120th Anniversary Year, Reports Record Performance; Net Income of $75.2 Million up 22.3% over the prior year

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo Caps Off 120th Anniversary Year, Reports Record Performance; Net Income of $75.

January 23, 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 Date of Report (date of earliest event reported): January 23, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

January 10, 2023 8-K

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): January 10, 2023 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

January 10, 2023 EX-99.A

TrustCo to Release Fourth Quarter 2022 Results on January 23, 2023; Conference Call on January 24, 2023

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release Fourth Quarter 2022 Results on January 23, 2023; Conference Call on January 24, 2023 FOR IMMEDIATE RELEASE: Glenville, New York – January 10, 2023 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release fourth quarter 2022 results after the market close on January 23, 2023.

November 16, 2022 EX-99

TrustCo Bank Corp NY 2022 Equity Awards

EX-99 4 brhc1004427799.htm EXHIBIT 99 TRUSTCO BANK CORP NY Exhibit 99 TrustCo Bank Corp NY 2022 Equity Awards 2022 Officer Awards Officer Restricted Unit Awards Performance Unit Awards Threshold Target Max R McCormick 7,624 2,859 11,435 17,153 R Leonard 3,680 1,381 5,521 8,282 S Salvador 2,629 986 3,944 5,916 M Ozimek 2,629 986 3,944 5,916 K Curley 2,629 986 3,944 5,916

November 16, 2022 EX-10.(B)

2022 Equity Awards

Exhibit 10(b) 2022 Equity Awards 2022 Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan This Restricted Stock Unit Award Agreement (this ?Agreement?) under the TrustCo Bank Corp NY 2019 Equity Incentive Plan (the ?Plan?), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the ?Company?) and the Participant set forth below.

November 16, 2022 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 Date of Report (date of earliest event reported): November 15, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

November 16, 2022 EX-10.(A)

2022 Performance Share Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan

Exhibit 10(a) 2022 Performance Share Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan This Performance Share Award Agreement (this ?Agreement?) under the TrustCo Bank Corp NY 2019 Equity Incentive Plan (the ?Plan?), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the ?Company?) and the Participant set forth below.

November 15, 2022 EX-99.(A)

5 Sarnowski Drive, Glenville, New York 12302

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

November 15, 2022 8-K

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): November 15, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

November 7, 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 ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 0-10592 TRUSTCO BANK CORP N

November 7, 2022 EX-31.(A)

Exhibit 31(a)

Exhibit 31(a) Certification I, Robert J. McCormick, certify that: 1. I have reviewed this Form 10-Q of TrustCo Bank Corp NY; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the peri

November 7, 2022 EX-31.(B)

Exhibit 31(b)

Exhibit 31(b) Certification I, Michael M. Ozimek, certify that: 1. I have reviewed this Form 10-Q of TrustCo Bank Corp NY; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period

November 7, 2022 EX-15

Exhibit 15

Exhibit 15 November 7, 2022 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE SEPTEMBER 30, 2021 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated November 7, 2022, on our reviews of the interim financial information of TrustCo Bank Corp NY as of September 30, 2022 and for the three-month and nine-month periods ended September 30, 2022 and 2021, included in the Company's quarterly report on Form 10-Q for the quarter ended September 30, 2022, is incorporated by reference in its Registration Statements, Form S-8 (No.

October 24, 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 Date of Report (date of earliest event reported): October 24, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

October 24, 2022 EX-99.(A)

TrustCo Reports Another Record Quarter; Net Income of $19.4 Million up 15.5% over the Prior Year Quarter

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo Reports Another Record Quarter; Net Income of $19.

October 18, 2022 EX-99.A

TrustCo Announces the Addition of Alejandro “Alex” M. Sanchez to the Board of Directors

Exhibit 99 (a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

October 18, 2022 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 Date of report (date of earliest event reported): October 18, 2022 TRUSTCO BANK CORP NY (Exact Name of Registrant as specified in its charter) New York 0-10592 14-1630287 State or other jurisdiction of incorporation Commission File N

October 11, 2022 EX-99.(A)

TrustCo to Release Third Quarter 2022 Results on October 24, 2022; Conference Call on October 25, 2022

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TrustCo to Release Third Quarter 2022 Results on October 24, 2022; Conference Call on October 25, 2022 FOR IMMEDIATE RELEASE: Glenville, New York ? October 11, 2022 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release third quarter 2022 results after the market close on October 24, 2022.

October 11, 2022 8-K

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): October 11, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

August 16, 2022 EX-99.A

TrustCo Declares Cash Dividend

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

August 16, 2022 8-K

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): August 16, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Co

August 8, 2022 EX-31.(B)

Exhibit 31(b)

Exhibit 31(b) Certification I, Michael M. Ozimek, certify that: 1. I have reviewed this Form 10-Q of TrustCo Bank Corp NY; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period

August 8, 2022 EX-31.(A)

Exhibit 31(a)

Exhibit 31(a) Certification I, Robert J. McCormick, certify that: 1. I have reviewed this Form 10-Q of TrustCo Bank Corp NY; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the peri

August 8, 2022 EX-15

Exhibit 15

Exhibit 15 August 8, 2022 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE JUNE 30, 2022 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated August 8, 2022, on our reviews of the interim financial information of TrustCo Bank Corp NY as of June 30, 2022 and for the three-month and six-month periods ended June 30, 2022 and 2021, included in the Company's quarterly report on Form 10-Q for the quarter ended June 30, 2022, is incorporated by reference in its Registration Statements, Form S-8 (No.

August 8, 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 ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 Commission File Number 0-10592 TRUSTCO BANK CORP NY (Ex

August 8, 2022 EX-10.1

EXECUTIVE MEDICAL REIMBURSEMENT PLAN

Exhibit 10.1 EXECUTIVE MEDICAL REIMBURSEMENT PLAN ARTICLE I - PURPOSE 1.01 The purpose of the Trustco Bank Executive Medical Reimbursement Plan (the ?Plan?) is to help provide full and complete health care for Participants and their current spouse and Eligible Dependents as defined herein. The Plan is intended to provide reimbursement of medical, hospitalization, dental, and other similar expenses

July 21, 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 Date of Report (date of earliest event reported): July 21, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Comm

July 21, 2022 EX-99.A

TrustCo Reports Historic Performance – Past and Present; Net Income of $17.9 Million up 24% over the Prior Year Quarter

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo Reports Historic Performance ? Past and Present; Net Income of $17.

July 12, 2022 8-K

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): July 12, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Comm

July 12, 2022 EX-99.A

TrustCo to Release Second Quarter 2022 Results on July 21, 2022; Conference Call on July 22, 2022

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 TrustCo to Release Second Quarter 2022 Results on July 21, 2022; Conference Call on July 22, 2022 FOR IMMEDIATE RELEASE: Glenville, New York ? July 12, 2022 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release second quarter 2022 results after the market close on July 21, 2022.

May 23, 2022 8-K

Financial Statements and Exhibits, Other Events, 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): May 19, 2022 TrustCo Bank Corp NY (Exact Name of Registrant as specified in its charter) New York 0-10592 14-1630287 State or other jurisdiction of incorporation Commission File Numbe

May 23, 2022 EX-99.(A)

EX-99.(A)

Exhibit 99(a)

May 17, 2022 8-K

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): May 17, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Commi

May 17, 2022 EX-99.(A)

TrustCo Declares Cash Dividend

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

May 6, 2022 EX-15

May 6, 2022

Exhibit 15 May 6, 2022 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE MARCH 31, 2022 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated May 6, 2022, on our reviews of the interim financial information of TrustCo Bank Corp NY as of March 31, 2022 and for the three-month periods ended March 31, 2022 and 2021, included in the Company's quarterly report on Form 10-Q for the quarter ended March 31, 2022, is incorporated by reference in its Registration Statements, Form S-8 (No.

May 6, 2022 EX-31.(B)

Exhibit 31(b)

Exhibit 31(b) Certification I, Michael M. Ozimek, certify that: 1. I have reviewed this Form 10-Q of TrustCo Bank Corp NY; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period

May 6, 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 ? 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 Commission File Number 0-10592 TRUSTCO BANK CORP NY (E

May 6, 2022 EX-31.(A)

Exhibit 31(a)

Exhibit 31(a) Certification I, Robert J. McCormick, certify that: 1. I have reviewed this Form 10-Q of TrustCo Bank Corp NY; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the peri

May 5, 2022 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)) ? Defin

April 21, 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 Date of Report (date of earliest event reported): April 21, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

April 21, 2022 EX-99.(A)

TrustCo Reports Historic First Quarter 2022 Earnings; Net Income of $17.1 Million up 21.3% over the prior year quarter

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo Reports Historic First Quarter 2022 Earnings; Net Income of $17.

April 12, 2022 8-K

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): April 12, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Com

April 12, 2022 EX-99.A

TrustCo to Release First Quarter 2022 Results on April 21, 2022; Conference Call on April 22, 2022

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 TrustCo to Release First Quarter 2022 Results on April 21, 2022; Conference Call on April 22, 2022 FOR IMMEDIATE RELEASE: Glenville, New York ? April 12, 2022 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release first quarter 2022 results after the market close on April 21, 2022.

April 1, 2022 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 perm

April 1, 2022 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)) ? D

March 9, 2022 8-K

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 9, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Comm

March 9, 2022 EX-99.A

TRUSTCO BANK CORP NY ANNOUNCES STOCK REPURCHASE PLAN

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President (518) 381-3693 TRUSTCO BANK CORP NY ANNOUNCES STOCK REPURCHASE PLAN FOR IMMEDIATE RELEASE Glenville, New York ? March 9, 2022 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that its Board of Directors has approved a stock repurchase program.

February 25, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Fiscal Year Ended December 31, 2021 ☐ Transition Report Pursuant to Secti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Fiscal Year Ended December 31, 2021 Or ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number 0-10592 TRUSTCO BANK CORP N Y (Exact

February 25, 2022 EX-13

Years ended December 31,

Exhibit 13 TrustCo Bank Corp NY (the ?Company,? or ?TrustCo?) is a savings and loan holding company headquartered in Glenville, New York.

February 25, 2022 EX-24

Power of Attorney

Exhibit 24 Power of Attorney KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned, being a director of TrustCo Bank Corp NY, a New York corporation (the ?Company?), hereby constitutes and appoints Michael M.

February 25, 2022 EX-4.(A)

Exhibit 4(a)

Exhibit 4(a) DESCRIPTION OF CAPITAL STOCK General TrustCo Bank Corp NY (?TrustCo?) is currently authorized to issue 30,000,000 shares of common stock, par value $1.

February 25, 2022 EX-31.(I)(B)

Exhibit 31(i)(b)

Exhibit 31(i)(b) Certification I, Michael M. Ozimek, certify that: 1. I have reviewed this Annual Report on Form 10-K of TrustCo Bank Corp NY (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, no

February 25, 2022 EX-31.(I)(A)

Exhibit 31(i)(a)

Exhibit 31(i)(a) Certification I, Robert J. McCormick, certify that: 1. I have reviewed this Annual Report on Form 10-K of TrustCo Bank Corp NY (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

February 25, 2022 EX-21

SUBSIDIARIES OF TRUSTCO BANK CORP NY

Exhibit 21 SUBSIDIARIES OF TRUSTCO BANK CORP NY Trustco Bank Federal savings bank ORE Subsidiary Corp.

February 15, 2022 EX-99.A

TrustCo continues more than 100-year history of success, announces quarterly dividend

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M.

February 15, 2022 8-K

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): February 15, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

February 10, 2022 SC 13G/A

TRST / TrustCo Bank Corp NY / 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.: 5)* Name of issuer: TrustCo Bank Corp. NY Title of Class of Securities: Common Stock CUSIP Number: 898349204 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

February 8, 2022 SC 13G/A

TRST / TrustCo Bank Corp NY / 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. 5 )* TrustCo Bank Corp NY (Name of Issuer) Common Stock (Title of Class of Securities) 898349204 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this S

January 24, 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 Date of Report (date of earliest event reported): January 24, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

January 24, 2022 EX-99.(A)

TrustCo Enters Its 120th Year; Posts Record Earnings; Net Income of $61.5 million up 17.3% over the prior year

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo Enters Its 120th Year; Posts Record Earnings; Net Income of $61.

January 10, 2022 EX-99.(A)

TrustCo to Release Fourth Quarter 2021 Results on January 24, 2022; Conference Call on January 25, 2022

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 TrustCo to Release Fourth Quarter 2021 Results on January 24, 2022; Conference Call on January 25, 2022 FOR IMMEDIATE RELEASE: Glenville, New York ? January 10, 2022 TrustCo Bank Corp NY (TrustCo, Nasdaq: TRST) today announced that it will release fourth quarter 2021 results after the market close on January 24, 2022.

January 10, 2022 8-K

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): January 10, 2022 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

November 17, 2021 EX-99

TrustCo Bank Corp NY 2021 Equity Awards

TRUSTCO BANK CORP NY EXHIBIT 99 TrustCo Bank Corp NY 2021 Equity Awards 2021 Officer Awards Officer Restricted Unit Awards Performance Unit Awards Threshold Target Max R McCormick 10,368 11,664 15,551 23,327 R Leonard 4,147 4,666 6,221 9,332 S Salvador 2,962 3,333 4,444 6,666 M Ozimek 2,962 3,333 4,444 6,666 K Curley 2,962 3,333 4,444 6,666 2021 Director Awards Director Restricted Unit Awards Dennis A.

November 17, 2021 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): November 16, 2021 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

November 17, 2021 EX-10.B

2021 Equity Awards Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan

Exhibit 10(b) 2021 Equity Awards 2021 Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan This Restricted Stock Unit Award Agreement (this ?Agreement?) under the TrustCo Bank Corp NY 2019 Equity Incentive Plan (the ?Plan?), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the ?Company?) and the Participant set forth below.

November 17, 2021 EX-10.A

2021 Performance Share Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan

Exhibit 10(a) 2021 Performance Share Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan This Performance Share Award Agreement (this ?Agreement?) under the TrustCo Bank Corp NY 2019 Equity Incentive Plan (the ?Plan?), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the ?Company?) and the Participant set forth below.

November 17, 2021 EX-10.C

2021 Director Equity Awards Directors Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan

Exhibit 10(c) 2021 Director Equity Awards 2021 Directors Restricted Stock Unit Award Agreement under the TrustCo Bank Corp NY 2019 Equity Incentive Plan This Directors Restricted Stock Unit Award Agreement (this ?Agreement?) under the TrustCo Bank Corp NY 2019 Equity Incentive Plan (the ?Plan?), dated as of the Grant Date set forth below, is made between TrustCo Bank Corp NY (the ?Company?) and the Participant set forth below.

November 16, 2021 8-K

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): November 16, 2021 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization

November 16, 2021 EX-99.A

More good news: TrustCo announces significant increase in quarterly dividend

Exhibit 99.a News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M. Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 More good news: TrustCo announces significant increase in quarterly dividend Glenville, New York ? November 16, 2021 The Board of Directors of TrustCo Bank Corp NY (TrustCo, Nasda

November 5, 2021 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 ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 0-10592 TRUSTCO BANK CORP N

November 5, 2021 EX-31.A

Exhibit 31(a)

Exhibit 31(a) Certification I, Robert J. McCormick, certify that: 1. I have reviewed this Form 10-Q of TrustCo Bank Corp NY; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the peri

November 5, 2021 EX-15

Exhibit 15

Exhibit 15 November 5, 2021 Securities and Exchange Commission 450 Fifth Street, NW Washington, DC 20549 RE: FILING OF THE SEPTEMBER 30, 2021 FORM 10-Q FOR TRUSTCO BANK CORP NY Commissioners: We are aware that our report dated November 5, 2021, on our reviews of the interim financial information of TrustCo Bank Corp NY as of September 30, 2021 and for the three-month and nine-month periods ended September 30, 2021 and 2020, included in the Company?s quarterly report on Form 10-Q for the quarter ended September 30, 2021, is incorporated by reference in its Registration Statements, Form S-8 (No.

November 5, 2021 EX-31.B

Exhibit 31(b)

Exhibit 31(b) Certification I, Michael M. Ozimek, certify that: 1. I have reviewed this Form 10-Q of TrustCo Bank Corp NY; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period

October 21, 2021 EX-99.(A)

TrustCo Announces Record Earnings for Third Quarter 2021; Net Income of $16.8 million up 19.1% over the prior year quarter, Expands Lending Areas in Key Markets, Adds New Director

Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York, 12302 (518) 377-3311 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 FOR IMMEDIATE RELEASE: TrustCo Announces Record Earnings for Third Quarter 2021; Net Income of $16.

October 21, 2021 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 Date of Report (date of earliest event reported): October 21, 2021 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

October 12, 2021 EX-99.A

TrustCo to Release Third Quarter 2021 Results on October 21, 2021; Conference Call on October 22, 2021

Exhibit 99.a News Release 5 Sarnowski Drive, Glenville, New York, 12302 Subsidiary: Trustco Bank NASDAQ - TRST Contact: Robert Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 TrustCo to Release Third Quarter 2021 Results on October 21, 2021; Conference Call on October 22, 2021 FOR IMMEDIATE RELEASE: Glenville, New York ? October 12, 2021 TrustCo Bank Corp NY (TrustCo, Nasdaq

October 12, 2021 8-K

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): October 12, 2021 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization C

September 23, 2021 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 Date of report (date of earliest event reported): September 21, 2021 TrustCo Bank Corp NY (Exact Name of Registrant as specified in its charter) NEW YORK 0-10592 14-1630287 State or other jurisdiction of incorporation Commission File

September 23, 2021 EX-99.A

TrustCo Announces the Addition of Curtis N. Powell to the Board of Directors

Section 2: EX-99.(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Subsidiary: Trustco Bank Contact: Robert M. Leonard Executive Vice President and CRO (518) 381-3693 TrustCo Announces the Addition of Curtis N. Powell to the Board of Directors Glenville, New York, September 23, 2021 TrustCo Bank Corp NY (the ?Company?) (Nasdaq: TRST) announces that on September 21, 2021

August 18, 2021 EX-99.A

TrustCo continues more than 100-year history of success, announces quarterly dividend

EX-99.A 2 brhc10028170ex99-a.htm EXHIBIT 99(A) Exhibit 99(a) News Release 5 Sarnowski Drive, Glenville, New York 12302 (518) 377-3311 Fax: (518) 381-3668 Subsidiary: Trustco Bank Contact: Robert M. Leonard Executive Vice President and Chief Risk Officer (518) 381-3693 TrustCo continues more than 100-year history of success, announces quarterly dividend Glenville, New York – August 18, 2021 The Boa

August 18, 2021 8-K

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): August 17, 2021 TrustCo Bank Corp NY (Exact name of registrant as specified in its charter) New York 0-10592 14-1630287 State or Other Jurisdiction of Incorporation or Organization Co

August 5, 2021 EX-31.(B)

Exhibit 31(b)

Exhibit 31(b) Certification I, Michael M. Ozimek, certify that: 1. I have reviewed this Form 10-Q of TrustCo Bank Corp NY; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period

August 5, 2021 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 ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 0-10592 TRUSTCO BANK CORP NY (Ex

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