0001628280-23-019337 4 1 20230518 20230522 20230522 Arienzo Wendy 0001701222 4 34 001-37961 23945954 5245 HELLYER AVE SAN JOSE CA 95138 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 wk-form4_1684792741.xml FORM 4 X0407 4 2023-05-18 0 0001652535 ICHOR HOLDINGS, LTD. ICHR 0001701222 Arienzo Wendy C/O ICHOR HOLDINGS, LTD. 3185 LAURELVIEW CT FREMONT CA 94538 1 0 0 0 0 Ordinary Shares, par value $0.0001 2023-05-18 4 A 0 4752 0 A 13676 D Consists of an RSU grant, representing the right to receive Ordinary Shares of Ichor Holdings, Ltd. The RSU vests in full on May 10, 2024. /s/ Chase Rosson by Power of Attorney 2023-05-22