CATSKILL, N.Y., April 15, 2026 (GLOBE NEWSWIRE) -- Greene County Bancorp, Inc. (the "Company") (NASDAQ-GCBC), the holding company for Bank of Greene County and its subsidiary Greene County Commercial Bank, today announced that its Board of Directors has adopted a stock repurchase program. Under the repurchase program, the Company may repurchase up to 400,000 shares of its common stock. This amount represents approximately 5.0% of the Company's 7,808,300 shares of outstanding common stock held by shareholders other than Greene County Bancorp, MHC, the Company's majority mutual holding company parent.

The repurchase program permits shares to be repurchased in open market or private transactions, through block trades, and pursuant to any trading plan that may be adopted in accordance with Rule 10b5-1 of the Securities and Exchange Commission.

Repurchases are expected to commence after the Company publicly releases its results of operations for the quarter ended March 31, 2026. Repurchases will be made at management's discretion at prices management considers to be attractive and in the best interests of both the Company and its stockholders, subject to the availability of stock, general market conditions, the trading price of the stock, alternative uses for capital, and the Company's financial performance. Open market purchases will be conducted in accordance with the limitations set forth in Rule 10b-18 of the Securities and Exchange Commission and other applicable legal requirements.

The repurchase program may be suspended, terminated or modified at any time for any reason, including market conditions, the cost of repurchasing shares, the availability of alternative investment opportunities, liquidity, and other factors deemed appropriate. These factors may also affect the timing and amount of share repurchases. The repurchase program does not obligate the Company to purchase any particular number of shares.

About Greene County Bancorp, Inc.

Greene County Bancorp, Inc. is the holding company for the Bank of Greene County, and its subsidiary Greene County Commercial Bank. The Company is the leading provider of community-based banking services throughout the Hudson Valley and Capital Region of New York State. Its customers include individuals, businesses, municipalities and other institutions. Greene County Bancorp, Inc. (GCBC) is publicly traded on the Nasdaq Capital Market and is dedicated to promoting economic development and a high quality of life in the communities it serves. For more information on Greene County Bancorp, Inc., visit www.tbogc.com.

Forward-Looking Statements

In addition to historical information, this release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, which describes the future plans, strategies and expectations of the Company. Forward-looking statements can be identified by the use of words such as "estimate," "project," "believe," "intend," "anticipate," "assume," "plan," "seek," "expect," "will," "may," "should," "indicate," "would," "contemplate," "continue," "target" and words of similar meaning. Forward-looking statements are based on our current beliefs and expectations and are inherently subject to significant business, economic and competitive uncertainties and contingencies, many of which are beyond our control. In addition, these forward-looking statements are subject to assumptions with respect to future business strategies and decisions that are subject to change. Accordingly, you should not place undue reliance on such statements. We are under no duty to and do not take any obligation to update any forward-looking statements after the date of this report. Factors which could have a material adverse effect on the operations of the Company and its subsidiaries include, but are not limited to, changes in general economic conditions, interest rates and inflation; changes in asset quality; our ability to access cost-effective funding; fluctuations in real estate values; changes in laws or regulations; the effects of any federal government shutdown; changes in liquidity, including the size and composition of our deposit portfolio and the percentage of uninsured deposits in the portfolio; changes in technology; failures or breaches of our IT security systems; our ability to introduce new products and services and capitalize on growth opportunities; changes in accounting policies and practices; our ability to retain key employees; and the effects of natural disasters and geopolitical events, including terrorism, conflict and acts of war.

For Further Information Contact:

Donald E. Gibson

President and CEO

(518) 943-2600

donaldg@tbogc.com

Greene County Bancorp, Inc. Adopts Stock Repurchase Program