Material Event (Form 8-K)

On October 21, 2025, CFSB Bancorp, Inc. ("CFSB Bancorp" or the "Company") and Hometown Financial Group, Inc. ("Hometown Financial Group") announced that they have received the requisite regulatory approvals from the Board of Governors of the Federal Reserve System and the Massachusetts Division of Banks necessary to complete their previously announced merger (the "Merger"), as well as the merger of Colonial Federal Savings Bank, a wholly owned subsidiary of CFSB Bancorp, with and into North Shore Bank, a wholly owned subsidiary of Hometown Financial, with North Shore Bank as the surviving bank. CFSB Bancorp and Hometown Financial anticipate closing the Merger on October 31, 2025, subject to the satisfaction of customary closing conditions.

CFSB Bancorp's shareholders approved the Merger at a special meeting of shareholders held on September 16, 2025.

Forward Looking Statements

This report contains forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. Such forward-looking statements about the Company and their industry involve substantial risks and uncertainties. Statements other than statements of current or historical fact, including statements regarding the Company's future financial condition, results of operations, business plans, liquidity, cash flows, projected costs, and the impact of any laws or regulations applicable to the Company, are forward-looking statements. Words such as "anticipates," "believes," "estimates," "expects," "forecasts," "intends," "plans," "projects," "may," "will," "could," "should" and other similar expressions are intended to identify these forward-looking statements. Such statements are subject to factors that could cause actual results to differ materially from anticipated results.

Actual results could differ materially from such forward-looking statements. Certain factors that could cause actual results to differ materially from expected results include: failure to satisfy any of the closing conditions of the transaction on a timely basis or at all or other delays in completing the Merger; the impacts of tariffs, sanctions and other trade policies of the United States and its global trading counterparts; the impacts of the federal government shutdown; and/or the occurrence of any event, change, or other circumstances that could give rise to the right of one or both of the parties to terminate the merger agreement. Further information about these and other relevant risks and uncertainties may be found in the Company's Annual Report on Form 10-Kfor the fiscal year ended June 30, 2025 and in subsequent filings with the Securities and Exchange Commission.