NB Bancorp, Inc. Reports Fourth Quarter 2025 Financial Results, Declares Quarterly Cash Dividend, Announces Share Repurchase Plan Graphic Exhibit 99.1 Investor Contact JP Lapointe, SEVP, CFO IR@NeedhamBank.com 781-474-5408 Needham, MA, January 22, 2026 – NB Bancorp, Inc. (the "Company") (Nasdaq Capital Market: NBBK), the holding company of Needham Bank (the "Bank"), today announced its fourth quarter 2025 financial results. The Company reported net income of $7.7 million, or$0.19 per diluted common share, ...