Type	Name	Date
Credit agreement	Credit Agreement, among Ultra Clean Holdings, Inc., Barclays Bank PLC, as administrative agent, and the lenders party thereto	08/31/2018
Underwriting agreement	UNDERWRITING AGREEMENT	02/02/2018
Credit agreement	Credit Agreement, among Ultra Clean Holdings, Inc., Ultra Clean Technology Systems and Service, Inc., American Integration Technologies LLC, Ultra Clean Asia Pacific Pte. Ltd., the several lenders from time to time party thereto, Silicon Valley Bank and U.S. Bank National Association	07/10/2012

Type	Name	Date
By-Laws	Amended and Restated Bylaws of Ultra Clean Holdings, Inc	08/03/2009

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among Ultra Clean Holdings, Inc., Sir Daibus Ltd., Bealish Ltd. and Ham-Let (Israel-Canada) Ltd	04/05/2021

Type	Name	Date
Other	Offer letter between the Company and Mr. Siu	06/05/2019
Other	Offer letter between the Company and Mr. Chinnasami	03/28/2019
Other	Letter Agreement between the Company and Mr. Lev	02/12/2018
Other	Offer Letter between the Company and Ms. Brumm	07/12/2016
Other	Offer Letter between the Company and Gino Addiego	03/07/2011