X0306 4 2017-08-23 0 0001652535 ICHOR HOLDINGS, LTD. ICHR 0001691635 FRANCISCO PARTNERS GP MANAGEMENT III (CAYMAN), LTD. ONE LETTERMAN DRIVE BUILDING C, SUITE 410 SAN FRANCISCO CA 94129 0 0 1 0 0001691636 FRANCISCO PARTNERS GP III (CAYMAN), L.P. ONE LETTERMAN DRIVE BUILDING C, SUITE 410 SAN FRANCISCO CA 94129 0 0 1 0 0001691634 FRANCISCO PARTNERS III (CAYMAN), L.P. ONE LETTERMAN DRIVE BUILDING C, SUITE 410 SAN FRANCISCO CA 94129 0 0 1 0 0001691633 FRANCISCO PARTNERS PARALLEL FUND III (CAYMAN), L.P. ONE LETTERMAN DRIVE BUILDING C, SUITE 410 SAN FRANCISCO CA 94129 0 0 1 0 0001691632 ICHOR INVESTMENT HOLDINGS, LLC ONE LETTERMAN DRIVE BUILDING C, SUITE 410 SAN FRANCISCO CA 94129 0 0 1 0 Ordinary Shares, par value $0.0001 2017-08-23 4 S 0 799564 18.50 D 5820770 I See footnote Includes (a) 711,241 ordinary shares that were directly held by Francisco Partners III (Cayman), L.P. ("FP III Cayman"), (b) 8,214 ordinary shares that were directly held by Francisco Partners Parallel Fund III (Cayman), L.P. ("FPPF III Cayman") and (c) 80,109 ordinary shares that were directly held by Ichor Investment Holdings, LLC ("IIH LLC"). Represents the offering price to the public in the secondary offering of $19.32 per ordinary share, net of underwriters' discount of $0.82 per ordinary share. Francisco Partners GP III (Cayman), L.P. ("FP GP Cayman III") is the general partner of each of FP III Cayman and FPPF III Cayman and the manager of IIH LLC. Francisco Partners GP Management III (Cayman), Limited ("FP GP Management III") is the general partner of FP GP Cayman III. In those capacities, FP GP III and FP GP Management III may be deemed to share voting and dispositive power with respect to the shares owned by FP III Cayman, FPPF III Cayman and IIH LLC. FP GP III and FP GP Management III may be deemed to share voting and dispositive power with respect to the shares owned by FP III Cayman, FPPF III Cayman and IIH LLC. An investment committee comprised of Dipanjan Deb, David R. Golob, Keith Geeslin and Ezra Perlman, certain of the managers of FP GP Management III, share voting and dispositive power with respect to the shares beneficially held by FP GP Management III. (continued from footnote 3) Each of FP GP III, FP GP Management III and Messrs. Deb, Golob, Geeslin and Perlman expressly disclaims beneficial ownership of any shares, except to the extent of their pecuniary interest. /s/ Andrew Kowal, a Director of Francisco Partners GP Management III (Cayman), Limited 2017-08-24 /s/ Andrew Kowal, a Director of the General Partner of Francisco Partners GP III (Cayman), L.P. 2017-08-24 /s/ Andrew Kowal, a Director of the General Partner of the General Partner of Francisco Partners III (Cayman), L.P. 2017-08-24 /s/ Andrew Kowal, a Director of the General Partner of the General Partner of Francisco Partners Parallel Fund III (Cayman), L.P. 2017-08-24 /s/ Andrew Kowal, a Director of the General Partner of the Manager of Ichor Investment Holdings, LLC 2017-08-24