CHAIN BRIDGE BANCORP INC

Cautionary Note Regarding Forward-Looking Statements

This communication contains forward-looking statements within the meaning of the U.S. federal securities laws. Forward-looking statements involve risks and uncertainties. You should not place undue reliance on forward-looking statements because they are subject to numerous uncertainties and factors relating to our operations and business, all of which are difficult to predict and many of which are beyond our control. Forward-looking statements include information concerning our possible or assumed future results of operations. These forward-looking statements are generally identified by the use of forward-looking terminology, including the terms “anticipate,” “believe,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “target,” “will,” “would” and, in each case, their negative or other variations or comparable terminology and expressions. Actual results, performance, or achievements could differ materially from those contemplated, expressed, or implied by the forward-looking statements. Any forward-looking statements presented herein are made only as of the date of this press release, and the Company does not undertake any obligation to update or revise any forward-looking statements to reflect changes in assumptions, new information, the occurrence of unanticipated events, or otherwise, except as required by law.

Forward-looking statements include, among other things, statements relating to: (i) changes in trade, monetary and fiscal policies of, and other activities undertaken by, governments, agencies, central banks or similar organizations, including the effects of United States federal government spending and tariffs; (ii) the level of, or changes in the level of, interest rates and inflation, including the effects on our net interest income, noninterest income, and the market value of our investment and loan portfolios; (iii) the level and composition of our deposits, including our ability to attract and retain, and the seasonality of, client deposits, including those in the ICS® network, as well as the amount and timing of deposit inflows and outflows and the concentration of our deposits; (iv) our future net interest margin, net interest income, net income, and return on equity; (v) our political organization clients’ fundraising and disbursement activities; (vi) the level and composition of our loan portfolio, including our ability to maintain the credit quality of our loan portfolio; (vii) current and future business, economic and market conditions in the United States generally or in the Washington, D.C. metropolitan area in particular; (viii) the effects of disruptions or instability in the financial system, including as a result of the failure of a financial institution or other participants in it, or geopolitical instability, including war, terrorist attacks, pandemics and man-made and natural disasters; (ix) the impact of, and changes, in applicable laws, regulations, regulatory expectations and accounting standards and policies; (x) our likelihood of success in, and the impact of, legal, regulatory or other actions, investigations or proceedings related to our business; (xi) adverse publicity or reputational harm to us, our senior officers, directors, employees or clients; (xii) our ability to effectively execute our growth plans or other initiatives; (xiii) changes in demand for our products and services; (xiv) our levels of, and access to, sources of liquidity and capital; (xv) the ability to attract and retain essential personnel or changes in our essential personnel; (xvi) our ability to effectively compete with banks, nonbank financial institutions, and financial technology firms and the effects of competition in the financial services industry on our business; (xvii) the effectiveness of our risk management and internal disclosure controls and procedures; (xviii) any failure or interruption of our information and technology systems, including any components provided by a third party; (xix) our ability to identify and address cybersecurity threats and breaches; (xx) our ability to keep pace with technological changes; (xxi) our ability to receive dividends from the Bank and satisfy our obligations as they become due; (xxii) the incremental costs of operating as a public company; (xxiii) our ability to meet our obligations as a public company, including our obligation under Section 404 of the Sarbanes-Oxley Act; and (xxiv) the effect of our dual-class structure and the concentrated ownership of our

Class B common stock, including beneficial ownership of our shares by members of the Fitzgerald Family.

You should not rely upon forward-looking statements as predictions of future events. We have based the forward-looking statements contained in this press release primarily on our current expectations and projections about future events and trends that we believe may affect our business, financial condition, results of operations and prospects. The outcome of the events described in these forward-looking statements is subject to risks, uncertainties and other factors, including the risks described in the “Risk Factors” section of the Company’s most recent Annual Report on Form 10-K for the year ended December 31, 2024, available at the Securities and Exchange Commission’s website(www.sec.gov).

1 Ratios for interim periods are presented on an annualized basis.

2 Return on average risk-weighted assets is calculated as net income divided by average risk-weighted assets. Average risk-weighted assets are calculated using the last two quarter ends with respect to the three-month periods presented, and the last four quarter ends with respect to the nine-month periods presented.

3 Yield on average interest-earning assets is calculated as total interest and dividend income divided by average interest-earning assets.

4 Cost of funds is calculated as total interest expense divided by the sum of average total interest-bearing liabilities and average noninterest-bearing demand deposits.

5 Net interest margin is net interest income expressed as a percentage of average interest-earning assets.

6 Efficiency ratio is calculated as non-interest expense divided by the sum of net interest income and non-interest income.

7 Included in “interest-bearing deposits in other banks” on the consolidated balance sheets.

8 Total debt securities and U.S. Treasury securities are calculated as the sum of securities available for sale (AFS) and securities held to maturity (HTM). AFS securities are reported at fair value, and held to maturity securities are reported at carrying value, net of allowance for credit losses.

9 Includes loans held for sale.

10 IntraFi Cash Service® (ICS®) One-Way Sell® are deposits placed at other banks through the ICS® network. One-Way Sell® deposits are not included in the total deposits on the Company’s consolidated balance sheets. The Bank has the flexibility, subject to the terms and conditions of the IntraFi Participating Institution Agreement, to convert these One-Way Sell® deposits into reciprocal deposits which would then appear on the Company’s consolidated balance sheets.

11 Liquidity ratio is calculated as the sum of cash and cash equivalents and unpledged investment grade securities, expressed as a percentage of total liabilities.

12 Company-level capital information is calculated in accordance with banking regulatory accounting principles specified by regulatory agencies for supervisory reporting purposes.

13 The ratio of tangible common equity to tangible total assets is calculated in accordance with GAAP and represents common equity divided by total assets. The Company did not have any goodwill or other intangible assets for the periods presented.

14 Double leverage ratio represents Chain Bridge Bancorp, Inc.’s investment in Chain Bridge Bank, N.A. divided by Chain Bridge Bancorp, Inc.’s consolidated equity.

15 On October 3, 2024, the Company filed an Amended and Restated Certification of Incorporation with the Secretary of State of the State of Delaware, which reclassified and converted each outstanding share of the Company's existing common stock, par value $1.00 per share into 170 shares of Class B Common Stock (the "Reclassification"). Historical share information is presented on an as adjusted basis giving effect to the Reclassification. The number of basic and diluted weighted average shares used in computing earnings per share are the same because there are no potentially dilutive instruments.

16 Derived from audited financial statements.

17 On October 3, 2024, the Company filed an Amended and Restated Certification of Incorporation with the Secretary of State of the State of Delaware, which reclassified and converted each outstanding share of the Company's existing common stock, into 170 shares of Class B Common Stock (the “Reclassification”). The Reclassification also authorized 20,000,000 shares of Class A Common Stock, and 10,000,000 shares of Preferred Stock. Historical share information is presented on an as adjusted basis giving effect to the Reclassification. All shares and balances from previously held common stock are reflected in Class B Common Stock.