Management Change/Compensation (Form 8-K)

On September 5, 2025, Thomas W. Wirth formally notified Chemung Financial Corporation (the "Corporation") confirming his retirement as Executive Vice President responsible for the Wealth Management Group of Chemung Canal Trust Company (the "Bank"), the wholly owned subsidiary of the Corporation, will become effective as of October 1, 2025. Mr. Wirth's intent to retire was previously disclosed in the Corporation's Current Report on Form 8-K dated March 14, 2025.

In connection with Mr. Wirth's retirement, the Bank has appointed Jeffrey P. Kenefick, Executive Vice President and Regional President of Chemung Canal Trust Company, to serve as interim head of the Wealth Management Group, effective October 1, 2025, while the Corporation continues to conduct a search for a permanent successor. The Corporation also intends to enter into a post-employment consulting agreement with Mr. Wirth where he would provide continuing strategic, process, and tactical support and advice to the interim head of the Wealth Management Group and the executive management team, as needed, for an anticipated term of approximately six months.

As noted in the Corporation's Form 8-K dated March 14, 2025, Mr. Wirth has served in various leadership roles since joining the Bank in 1987 and has been an important part of the Corporation's success. The Corporation again extends its sincere gratitude to Mr. Wirth for his significant contributions to the organization.