FIRST INTERNATIONAL BANCSHARES, INC

participants whose employment commencement date occurs on or after January 1, 2025, all Company contributions made on behalf of such participants are subject to a three-year cliff vesting schedule. Participants who were participating in the Plan as of December 31, 2024, remain fully vested in the balance held in their Plan accounts. A participant is credited with a year of service for vesting purposes upon completion of 365 days ( one year ) of service. Distributions and Withdrawals: Distributions are made only when a person ceases to be a participant. Upon termination, including retirement, a participant has various options available, as described in the Plan, with respect to the distribution of his or her Plan account balances. Participants may make in-service withdrawals in accordance w

de”), certain amounts for highly compensated employees are not contributed to the Plan. No contribution is required from any participant under the Plan. However, new employees are automatically enrolled in the Plan to make before-tax contributions of five percent ( 5 %) of their eligible compensation beginning with the first payroll period that is administratively practicable after the employee's date of hire. Employees that are automatically enrolled can elect not to make contributions or to contribute a different percentage of their eligible compensation. Participants may make contributions on a before-tax, Roth after-tax and/or traditional after-tax basis to the Plan. Participants who are age 50 or older by the end of a Plan year are eligible to make before-tax and Roth after-tax catch-

net assets available for benefits attributable to this investment. Contract value represents contributions made under the contract, plus earnings, less participant withdrawals and administrative expenses. Participants may ordinarily direct the withdrawal or transfer of all or a portion of their investment at contract value. The BNYM Insight Stable Value Fund, a collective -9- PHILIP MORRIS INTERNATIONAL DEFERRED PROFIT-SHARING PLAN NOTES TO FINANCIAL STATEMENTS (continued) trust, is valued based on information reported by the investment advisor using the audited financial statements of the collective trust which are as of and for the year ended December 31, 2025. • Mutual funds are stated at the respective funds' net asset value per share, which is determined based on market values at the

Unless otherwise provided in a collective bargaining agreement, FE makes a matching contribution of 50 % on the first 6 % of eligible compensation contributed by an employee. All employer matching contributions are provided as shares in FE common stock, except for certain IBEW Local 777 participants whose matching contributions are made in cash. Catch-up contributions are not eligible for matching contributions. The number of shares of FE common stock contributed to each participant is based on the market price of FE common stock as of the end of each pay period. Plan participants may diversify matching contributions held in FE common stock at any time, subject to certain limitations. Participant Accounts Individual accounts are maintained for each Plan participant. Each participant’s acc

nion may participate to the extent permitted by their respective collective bargaining agreement. Unless otherwise provided in a collective bargaining agreement, new employees are automatically enrolled in the Plan with a deemed election to contribute, on a pre-tax basis, 6 % of eligible earnings for each payroll period with automatic increases of 1 % each April until the employee contribution rate reaches 10 %. Automatic enrollment and annual increases can be changed by Plan participants at any time. Plan participants who do not make an affirmative election as to the investment of his or her contributions shall have his or her contributions invested in the age appropriate LifePath Portfolio Fund made available to all Plan participants. A LifePath Portfolio Fund is an investment alternativ

es receivable from participants 58,601,839 56,461,860 Due from brokers 405,358 582,369 Total receivables 59,841,463 57,840,542 Total assets 4,224,641,028 3,921,527,319 Liabilities Administrative expenses payable 438,761 456,062 Due to brokers 696,846 2,306,444 Total liabilities 1,135,607 2,762,506 Net assets available for benefits $ 4,223,505,421 $ 3,918,764,813 The accompanying notes are an integral part of these financial statements. 3 FirstEnergy Corp. Savings Plan Statement of Changes in Net Assets Available for Benefits ___________________________________________________________________________________________________________________________________ For the Year Ended December 31, 2025 Additions: Contributions: Employer $ 40,249,813 Participant 159,459,017 Total contributions 199,708,

hat time. Employees hired prior to the Restructuring of the Plans who elected to continue participation in their respective Pension Plan are eligible to make deferrals and receive employer matching contributions in accordance with the Legacy 401(k) Plan. Under the Legacy 401(k) Plan, FCB matches participants’ deferrals in an amount equal to 100 % of the first 3 %, and 50 % of the next 3 %, of the participant's compensation that he or she defers, up to and including a maximum matching contribution of 4.5 % of the participant’s eligible compensation. Employees hired prior to the Restructuring of the Plans who elected to participate in an “enhanced” 401(k) plan (now, the FCB 401(k) Plan) and associates hired or rehired after the Restructuring of the Plans (including former CIT and Silicon Val

outh Pension Plan”), and a plan assumed upon completion of the CIT Merger (the “CIT Pension Plan”). Participants in the FCB Pension Plan and First-Citizens South Pension Plan were fully vested after five years of service. Retirement benefits are based on years of service and highest annual compensation for five consecutive years during the last ten years of employment. The FCB Pension Plan and First-Citizens South Pension Plan were closed to new participants as of April 1, 2007 and September 1, 2007, respectively. On the CIT Merger Date, BancShares assumed the CIT Pension Plan which is also closed to new participants. There were no discretionary contributions made to the Pension Plans during 2025 or 2024. BancShares makes contributions to the Pension Plans in amounts between the minimum re