Ultra Clean Appoints Joanne Solomon to Board of Directors

Company Overview - Ultra Clean Holdings, Inc. is a leading developer and supplier of critical subsystems, components, parts, and ultra-high purity cleaning and analytical services primarily for the semiconductor industry [4] - The company offers integrated outsourced solutions for major subassemblies, improved design-to-delivery cycle times, design for manufacturability, prototyping, and high-precision manufacturing under its Products division [4] - Under its Services Division, Ultra Clean provides tool chamber parts cleaning and coating, as well as micro-contamination analytical services [4] Leadership Appointment - Joanne Solomon has been appointed to the Board of Directors of Ultra Clean Holdings, effective February 3, 2025 [1] - Solomon brings over 35 years of financial and corporate leadership experience, including significant roles as Chief Financial Officer for several publicly traded companies [2] - Her previous experience includes 16 years at Amkor Technology Inc., culminating in nine years as its Chief Financial Officer [2] Educational Background - Joanne Solomon holds a Bachelor of Science degree in Business Administration with a dual degree in accounting and finance from Drexel University [3] - She also has a Master of Business Administration in International Management from Thunderbird School of Global Management [3]