Exhibit 99.1 FOR IMMEDIATE RELEASE Investor and Press Contact: Lance P. Burke Chief Financial Officer (516) 548-8500 Hanover Bancorp, Inc. Reports Third Quarter 2025 Results and Declares $0.10 Quarterly Cash Dividend Third Quarter Performance Highlights ● Net Income: Net income for the quarter ended September 30, 2025 totaled$3.5 million or $0.47 per diluted share (including Series A preferred shares), versus$2.4 million or $0.33 per diluted share (including Series A preferred shares) in the prior linked ...