Press Release Exhibit 99.1 Company Contact: Patrick S. Barrett Chief Financial Officer OceanFirst Financial Corp. Tel: (732) 240-4500, ext. 27507 Email: pbarrett@oceanfirst.com FOR IMMEDIATE RELEASE OCEANFIRST FINANCIAL CORP. ANNOUNCES FIRST QUARTER FINANCIAL RESULTS RED BANK, NEW JERSEY, April 18, 2024 - OceanFirst Financial Corp. (NASDAQ:OCFC) (the “Company”), the holding company for OceanFirst Bank N.A. (the “Bank”), announced net income available to common stockholders of $27.7 million, or$0.47 per dil ...