Columbia Financial, Inc. Announces Appointment of New Senior Executive Vice President and Chief Operating Officer

Columbia Financial, Inc. (Nasdaq: CLBK) (the “Company”), the mid-tier holding company for Columbia Bank (the “Bank”), announced today that Matthew Smith has been appointed as Senior Executive Vice President and Chief Operating Officer of the Company and the Bank effective as of November 25, 2024. The Company previously disclosed the retirement of E. Thomas Allen, Jr., the current Senior Executive Vice President and Chief Operating Officer of the Company and the Bank, effective as of January 31, 2025.

Mr. Smith served as the Chief Digital Banking Officer and Head of Enterprise Product, Marketing and Transformation at Webster Bank from February 2022 until November 2024. Prior to that time, Mr. Smith served as Head of Digital Banking and Banking as a Service at Sterling National Bank from January 2020 to February 2022 (when Sterling National Bank was acquired by Webster Bank) and Chief Product and Marketing Strategy Officer of Sterling National Bank from October 2017 to January 2020.

Thomas J. Kemly, President and Chief Executive Officer of the Company and the Bank, said on the appointment: “Matthew has a proven track record of driving innovation and growth in banking operations, and we are pleased to welcome him to the Company and the Bank. We look forward to working with Matthew as part of our executive leadership team in an effort to continue to provide quality and convenient products and services to our customers.”

Mr. Kemly continued, “We also extend our deepest appreciation to Tom Allen for his three decades of dedicated service to the Bank. Tom’s expertise and commitment have been instrumental in the continued success of the Company and the Bank and we wish him all the best on his well-deserved retirement.”

About Columbia Financial, Inc.

Columbia Financial, Inc. is a Delaware corporation organized as Columbia Bank's mid-tier stock holding company. Columbia Financial, Inc. is a majority-owned subsidiary of Columbia Bank, MHC. Columbia Bank is a federally chartered savings bank headquartered in Fair Lawn, New Jersey that operates 68 full-service banking offices and offers traditional financial services to consumers and businesses in its market area.Forward-Looking Statements

Certain statements herein constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Exchange Act and are intended to be covered by the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such statements may be identified by words such as “believes,” “will,” “would,” “expects,” “projects,” “may,” “could,” “developments,” “strategic,” “launching,” “opportunities,” “anticipates,” “estimates,” “intends,” “plans,” “targets” and similar expressions. These statements are based upon the current beliefs and expectations of the Company’s management and are subject to significant risks and uncertainties. Actual results may differ materially from those set forth in the forward-looking statements as a result of numerous factors. Factors that could cause such differences to exist include, but are not limited to, adverse conditions in the capital and debt markets and the impact of such conditions on the Company’s business activities; changes in interest rates, higher inflation and their impact on national and local economic conditions; changes in monetary and fiscal policies of the U.S. Treasury, the Board of Governors of the Federal Reserve System and other governmental entities; the impact of legal, judicial and regulatory proceedings or investigations, competitive pressures from other financial institutions; the effects of general economic conditions on a national basis or in the local markets in which the Company operates, including changes that adversely affect a borrowers’ ability to service and repay the Company’s loans; the effect of acts of terrorism, war or pandemics,, including on our credit quality and business operations, as well as its impact on general economic and financial market conditions; changes in the value of securities in the Company’s portfolio; changes in loan default and charge-off rates; fluctuations in real estate values; the adequacy of loan loss reserves; decreases in deposit levels necessitating increased borrowing to fund loans and securities; legislative changes and changes in government regulation; changes in accounting standards and practices; the risk that goodwill and intangibles recorded in the Company’s consolidated financial statements will become impaired; cyber-attacks, computer viruses and other technological risks that may breach the security of our systems and allow unauthorized access to confidential information; the inability of third party service providers to perform; demand for loans in the Company’s market area; the Company’s ability to attract and maintain deposits and effectively manage liquidity; risks related to the implementation of acquisitions, dispositions, and restructurings; the risk that the Company may not be successful in the implementation of its business strategy, or its integration of acquired financial institutions and businesses, and changes in assumptions used in making such forward-looking statements which are subject to numerous risks and uncertainties, including but not limited to, those set forth in Item 1A of the Company's Annual Report on Form 10-K and those set forth in the Company's Quarterly Reports on Form 10-Q and Current Reports on Form 8-K, all as filed with the Securities and Exchange Commission (the “SEC”), which are available at the SEC’s website, www.sec.gov. Should one or more of these risks materialize or should underlying beliefs or assumptions prove incorrect, the Company's actual results could differ materially from those discussed. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this release. The Company disclaims any obligation to publicly update or revise any forward-looking statements to reflect changes in underlying assumptions or factors, new information, future events or other changes, except as required by law.

Columbia Financial, Inc.Investor Relations Department[phone]