UNITED BANK OF PHILADELPHIA

ued under the Plan cannot exceed 400,000 shares of common stock. Shares available for issuance at February 28, 2026 were 188,269 . Certent, Inc. is the record keeper for the Plan. Administrative expenses of the Plan are paid by the Company. Plan Year The Plan year begins on March 1 and ends on February 28 (or February 29 in the case of a leap year). ​ Eligibility An employee of the Company or any Participating Subsidiary is eligible to participate in the Plan if the employee has been continuously employed by the Company or any Participating Subsidiary for at least 90 days (except that any bona fide leave of absence will not render a participant so long as the leave does not exceed three months or, if longer than three months, the individual’s right to reemployment is provided by statute or

h contributions and to increase the annual catch-up contribution amount for participants aged 60 to 63, in accordance with federal law. Finally, effective for January 1, 2025, the employer matching contributions became Safe-harbor Matching Contributions. Contributions Active participants may elect to contribute up to 100 percent of their eligible compensation, on a pre-tax or after-tax basis subject to the Internal Revenue Code’s limitations. United matches 100 percent of the first 5 percent of a participant’s pay, based on the participant’s deferral election. These matching contributions are made by United on a bi-weekly basis and consist of cash, which is used by the Plan to purchase shares of United’s common stock. Participants are free to transfer their matched contributions to other i

ccount balances. The benefit to which a participant is entitled is the benefit that can be provided from the participant’s account. Vesting Participating employees are immediately fully vested as to employee and employer contributions to the Plan. Payment of Benefits Participants are permitted to take distributions and withdrawals from their accounts in the Plan under the circumstances set forth in the Plan document. On termination of service, a participant may receive a lump-sum or installment amount or keep funds invested in the Plan until reaching the age of 72. Benefits payments under the Plan must commence by April 1st of the calendar year 7 following the date a participant attains age 72 or April 1st of the calendar year following the year in which a participant separates from servic

s 7,810,927 Rollover contributions 5,204,285 Total contributions 26,122,595 Total additions 58,048,694 Deductions Withdrawals and benefits paid directly to participants 24,436,084 Administrative expenses paid by participants 266,647 Total deductions 24,702,731 Net increase 33,345,963 Net assets available for benefits: Beginning of year 248,755,184 End of year $ 282,101,147 See accompanying notes. 4 United Bankshares, Inc. Savings and Stock Investment Plan Notes to Financial Statements—Modified Cash Basis December 31, 2025 1. Significant Accounting Policies Accounting Method The accounting records of the United Bankshares, Inc. (United) Savings and Stock Investment Plan (the Plan) are maintained on a modified cash basis of accounting, a basis of accounting permitted by the Department of Lab

mployer of the Company and are automatically enrolled in the Plan as soon as administratively feasible after their hire date. Participants become eligible for employer safe harbor matching contributions once they are credited with one year of service. Employees whose employment is governed by the terms of a collective bargaining agreement (unless such collective bargaining agreement provides for the inclusion of those employees in the Plan), persons who the Company classifies as leased employees, and certain other classifications of employees are not eligible to participate in the Plan. Contributions Contributions to the Plan include (i) salary deferral contributions authorized by participants, (ii) matching contributions made by the Company, (iii) discretionary contributions made by the C

ve the right to individually select the percentage of their accounts to be invested among different classifications of investments made available to them. Vesting Participants are immediately vested in their salary deferral contributions, rollover contributions, and earnings thereon. Employer safe harbor contributions and discretionary contributions, if any, and earnings thereon vest in accordance with the provisions of the Plan as follows: Years of Service Vesting Less than 2 years 0 % 2 or more 100 % Notwithstanding the vesting schedule above, employer contributions, if any, will become fully vested (100%) upon the occurrence of any of the following events while the participant is employed by the Company: the participant’s death, disability, attainment of normal retirement age (age 65),

payroll period. Eligibility In general, eligible employees may make salary deferral contributions to the Plan upon employment with a participating employer of the Company and are automatically enrolled in the Plan as soon as administratively feasible after their hire date. Participants become eligible for employer safe harbor matching contributions once they are credited with one year of service. Employees whose employment is governed by the terms of a collective bargaining agreement (unless such collective bargaining agreement provides for the inclusion of those employees in the Plan), persons who the Company classifies as leased employees, and certain other classifications of employees are not eligible to participate in the Plan. Contributions Contributions to the Plan include (i) salar

estment income 4,118,527 Interest income on notes receivable from participants 45,739 Dividends 7,151 Total additions 6,448,426 DEDUCTIONS: Benefits paid to participants 2,746,772 Administrative expenses 4,260 Net depreciation in fair value of investments 1,362 Total deductions 2,752,394 INCREASE IN NET ASSETS BEFORE PLAN TRANSFERS 3,696,032 NET TRANSFERS INTO THE PLAN (Note 10) 7,475 INCREASE IN NET ASSETS AVAILABLE FOR BENEFITS 3,703,507 NET ASSETS AVAILABLE FOR BENEFITS: Beginning of year 26,620,354 End of year $ 30,323,861 See Notes to the Financial Statements. 3 Table of Contents UNITEDHEALTH GROUP 401(k) SAVINGS PLAN NOTES TO FINANCIAL STATEMENTS AS OF DECEMBER 31, 2025 AND 2024 AND FOR THE YEAR ENDED DECEMBER 31, 2025 1. DESCRIPTION OF PLAN The following description of the UnitedHea