Exhibit 99.1 FOR IMMEDIATE RELEASE Blue Foundry Bancorp Reports First Quarter 2025 Results RUTHERFORD, NJ, April 30, 2025 — Blue Foundry Bancorp (NASDAQ:BLFY) (the "Company"), the holding company for Blue Foundry Bank (the "Bank"), today reported a net loss of $2.7 million, or$0.13 per diluted common share, for the three months ended March 31, 2025, compared to net loss of $2.7 million, or$0.13 per diluted common share, for the three months ended December 31, 2024, and a net loss of $2.8 million, or$0.13 ...