ICHOR HOLDINGS, LTD.

Ichor Holdings, Ltd. designs, engineers, and manufactures critical fluid delivery subsystems and components. The company primarily serves the semiconductor capital equipment industry, and also supports other sectors including defense/aerospace and medical. Its main products are gas and chemical delivery subsystems, which are essential parts of the process tools used to manufacture semiconductor devices. Gas delivery subsystems are responsible for delivering, monitoring, and controlling precise amounts of specialized gases used in semiconductor manufacturing processes like etch and deposition. Chemical delivery subsystems accurately blend and dispense the reactive liquid chemicals utilized in semiconductor manufacturing processes such as chemical-mechanical planarization, electroplating, and cleaning. Ichor was originally incorporated as Celerity, Inc. in 1999, and Ichor Holdings, Ltd. was formed in March 2012 in the Cayman Islands. The company completed its initial public offering of ordinary shares in December 2016. Ichor operates on a 52- or 53-week fiscal year, ending on the last Friday in December.