ICHOR HOLDINGS, LTD.

Rule 10b5-1 Trading Plans

On February 26, 2026, Greg Swyt, Chief Financial Officer, entered into a 10b5-1 trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) promulgated under the Exchange Act. The trading arrangement provides for the potential sale of an aggregate of up to 63,273 of ordinary shares, consisting of sellable shares, vesting restricted stock units, and vesting performance shares. The actual amount of which may be less based on tax withholdings and the achievement of performance, market, and service conditions. These shares were granted to Mr. Swyt under our 2016 and 2025 Omnibus Incentive Plans. The trading arrangement will expire on April 30, 2027, and may be terminated earlier in the limited circumstances defined in the trading arrangement.

On March 5, 2026, Philip Barros, Chief Executive Officer and a director of the Company, entered into a 10b5-1 trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) promulgated under the Exchange Act. The trading arrangement provides for the potential sale of an aggregate of up to 74,239 of ordinary shares, consisting of sellable shares, vested stock options, vesting restricted stock units, and vesting performance shares. The actual amount of which may be less based on tax withholdings and the achievement of performance, market, and service conditions. These shares were granted to Mr. Barros under our 2016 and 2025 Omnibus Incentive Plans. The trading arrangement will expire on March 31, 2027, and may be terminated earlier in the limited circumstances defined in the trading arrangement.