THE FISHER NATIONAL BANK

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

pril 1, 2026) of eligible compensation for pre-tax and Roth participant contributions to the Plan. New participants are required to complete one year of service to qualify for the Company matching contribution. The Company’s matching contribution is invested into various investment options, including investment funds and the Company’s common stock, according to the participant's investment elections. Participant contributions and Company matching contributions are deposited into the Plan on a bi-weekly basis or weekly for those employees on a weekly payroll. Effective April 1, 2026, Company matching contributions are deposited into the Plan semi-annually. In addition, participants are generally required to be actively employed on June 30, and December 31, to receive the match; however, par

ipant transactions (see Note 2). The benefit to which a participant is entitled is the benefit that can be provided from the participant’s vested account. Vesting Participants are immediately vested in their pre-tax, Roth, catch-up, and after-tax contributions, as well as rollovers of previous employers’ eligible qualified plans, and any income or losses on those balances. Participants become 100 % vested in the Company’s matching contributions, plus any income or losses on those balances, after two years of service. 4 Thermo Fisher Scientific Inc. 401(k) Retirement Plan Notes to Financial Statements December 31, 2025 and 2024 Notes Receivable from Participants Participants may borrow from their account balance a minimum of $ 1,000 up to a maximum equal to the lesser of $ 50,000 or 50 % of

nting distributions from other qualified plans. Participants direct the investment of their contributions into various investment options offered by the Plan. The Plan includes an auto-enrollment provision whereby all newly eligible employees are automatically enrolled in the Plan unless they affirmatively elect not to participate in the Plan. Automatically enrolled participants have their deferral rate set at 3 % of eligible compensation and their contributions invested in a designated asset allocation trust fund until changed by the participant. The Company’s discretionary matching contribution is equal to 100 % of the first 6 % ( 5 % for new participants entering the Plan on or after April 1, 2026) of eligible compensation for pre-tax and Roth participant contributions to the Plan. New

utions Employer 274,535 Participants 494,425 Participant rollovers 119,919 Total contributions 888,879 Total additions 2,527,933 Deductions Benefits paid to participants 1,117,864 Administrative expenses 2,241 Total deductions 1,120,105 Net increase in net assets available for benefits before transfers 1,407,828 Transfers into the Plan (Note 1) 12,190 Net increase in net assets available for benefits 1,420,018 Net Assets Available for Benefits Beginning of year 10,264,141 End of year $ 11,684,160 The accompanying notes are an integral part of these financial statements. 3 Thermo Fisher Scientific Inc. 401(k) Retirement Plan Notes to Financial Statements December 31, 2025 and 2024 Note 1. Plan Description The following description of the Thermo Fisher Scientific Inc. 401(k) Retirement Plan