Boardroom Alpha
10-K primary document
AMKR · Annual Report (Form 10-K) · Filed February 20, 2026

Amkor Technology Inc10-K exhibit

amkr123125ex211.htm
Document

Exhibit 21.1
AMKOR TECHNOLOGY, INC.
LIST OF SUBSIDIARIES
SubsidiaryJurisdiction of Organization
Amkor Advanced Technology Taiwan, Inc. Taiwan
Amkor Assembly & Test (Shanghai) Co., Ltd. China
Amkor Technology Arizona, Inc.Arizona
Amkor Technology Euroservices, S.A.S.France
Amkor Technology Germany GmbHGermany
Amkor Technology Japan, Inc.Japan
Amkor Technology Korea, Inc. Korea
Amkor Technology Malaysia Sdn. Bhd.Malaysia
Amkor Technology Philippines, Inc. (A Branch of a Singapore Company)Philippines
Amkor Technology Pte. Ltd.Singapore
Amkor Technology Singapore Investment Pte. Ltd. Singapore
Amkor Technology Singapore Holding Pte. Ltd.Singapore
Amkor Technology Singapore Holding Pte. Ltd., Taiwan Branch (A Branch of a Singapore Company)Taiwan
Amkor Technology Taiwan Ltd. Taiwan
Amkor Technology Vietnam Limited Liability CompanyVietnam
Amkor Worldwide Services LLCDelaware
Amkor Worldwide Services LLC - ROHQ (A Branch of a United States Company)Philippines
ATEP - Amkor Technology Portugal, S.A.Portugal
Guardian Assets, Inc. Delaware


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