Ultra Clean appoints James Xiao as CEO effective Sept 2, 2025; Chris Cook becomes CBO

Ultra Clean Holdings, Inc.

James Xiao appointed CEO effective Sept 2, 2025; Clarence Granger steps down as CEO but remains non-executive Chair.
Xiao base salary $710K, 105% target bonus, $600K sign-on, equity $5M ($2M RSU + $3M annual equity).
Chris Cook promoted to Chief Business Officer; salary $595K, 85% target bonus, $1.7M RSU one-time award.
Cook severance: 100% salary & bonus, 12 mo. COBRA, equity vest 12 mo.; change-in-control: 150% plus 24 mo.

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