0001209191-21-034373 4 1 20210518 20210520 20210520 BARROS PHILIP RYAN SR. 0001691537 4 34 001-37961 21944396 3185 LAUREL VIEW CT. FREMONT CA 94538 ICHOR HOLDINGS, LTD. 0001652535 3674 000000000 E9 1227 3185 LAURELVIEW CT. FREMONT CA 94538 510-897-5200 3185 LAURELVIEW CT. FREMONT CA 94538 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-05-18 0 0001652535 ICHOR HOLDINGS, LTD. ICHR 0001691537 BARROS PHILIP RYAN SR. C/O ICHOR HOLDINGS, LTD. 3185 LAURELVIEW COURT FREMONT CA 94538 0 1 0 0 Chief Technology Officer Ordinary Shares, par value $0.0001 2021-05-18 4 M 0 2537 24.89 A 58337 D Ordinary Shares, par value $0.0001 2021-05-18 4 M 0 1432 22.56 A 59769 D Ordinary Shares, par value $0.0001 2021-05-18 4 M 0 5627 21.76 A 65396 D Ordinary Shares, par value $0.0001 2021-05-18 4 S 0 14573 50.47 D 50823 D Option (right to buy) 24.89 2021-05-18 4 M 0 2537 0.00 D 2025-02-15 Ordinary Shares, par value $0.0001 2537 7617 D Option (right to buy) 22.56 2021-05-18 4 M 0 1432 0.00 D 2026-05-14 Ordinary Shares, par value $0.0001 1432 11457 D Option (right to buy) 21.76 2021-05-18 4 M 0 5627 0.00 D 2027-05-12 Ordinary Shares, par value $0.0001 5627 16880 D The option vests as follows: 25% of the option vests on February 15, 2019 and the remainder vests ratably on a quarterly basis over a three year period thereafter. The option vests as follows: 25% of the option vests on May 14, 2020 and the remainder vests ratably on a quarterly basis over a three year period thereafter. The option vests as follows: 25% of the option vests on May 12, 2021 and the remainder vests ratably on a quarterly basis over a three-year period thereafter. /s/ Chase Rosson by Power of Attorney 2021-05-20