Columbia Financial, Inc. Announces Completion of Second Step Conversion and $1.7 Billion Stock Offering and Acquisition of Northfield Bancorp, Inc.

FAIR LAWN, N.J., July 20, 2026 (GLOBE NEWSWIRE) -- Columbia Financial, Inc., (Nasdaq Global Select Market: CLBK), (the “Company” or “Columbia”), a Maryland corporation and the successor to Columbia Financial, Inc., a Delaware corporation (the “Holding Company”), today announced the completion of the Holding Company’s conversion from the mutual holding company structure and Company’s related public offering. Columbia Bank is now 100% owned by the Company and the Company is 100% owned by public stockholders.