0001628280-23-031264 4 1 20230831 20230901 20230901 ROHRS THOMAS M 0001254354 4 34 001-37961 231232572 2 RESULTS WAY CUPERTINO CA 95014 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_1693598857.xml FORM 4 X0508 4 2023-08-31 0 0001652535 ICHOR HOLDINGS, LTD. ICHR 0001254354 ROHRS THOMAS M C/O ICHOR HOLDINGS, LTD. 3185 LAURELVIEW CT FREMONT CA 94538 1 0 0 0 0 Ordinary Shares, par value $0.0001 2023-08-31 4 M 0 80000 17.14 A 173764 D Ordinary Shares, par value $0.0001 2023-08-31 4 S 0 80000 36.78 D 93764 D Option (right to buy) 17.14 2023-08-31 4 M 0 80000 0 D 2024-04-13 Ordinary Shares, par value $0.0001 80000 0 D The option vests as follows: 25% of the option vests on March 31, 2018 and the remainder vests ratably on a quarterly basis over a three year period thereafter. /s/ Chase Rosson by Power of Attorney 2023-09-01