SentenceIn 2025, we received direct reimbursement of US$2,400,495.40 (net of U.S. withholding tax) from Citibank, N.A., the depositary bank for our ADR programs.

ASX 20-Faccession 0001193125-26-135585filed Apr 1 '26C

—Deloitte & Toucheunlisted

SentenceOur independent registered public accounting firm, Deloitte & Touche, assessed the effectiveness of our internal control over financial reporting.

ASX 20-Faccession 0001193125-26-135585filed Apr 1 '26

—Hung Chingunlisted

SentenceIn 2024, ASE's board of directors resolved to purchase the completed plant from Hung Ching for NT$5,263.0 million.

ASX 20-Faccession 0001193125-26-135585filed Apr 1 '26

—Nyseunlisted

SentenceThe principal trading market for our Common Shares is the TWSE and the principal trading market for ADSs representing our Common Shares is the NYSE.

ASX 20-Faccession 0001193125-26-135585filed Apr 1 '26

—President Securities Corp.unlisted

SentenceOur share registrar, President Securities Corp., maintains our register of shareholders at its offices in Taipei, Taiwan.

ASX 20-Faccession 0001193125-26-135585filed Apr 1 '26

—Taiwan Depository & Clearing Corporationunlisted

SentenceThe settlement of trading in our Common Shares is normally carried out on the book-entry system maintained by the Taiwan Depository & Clearing Corporation.

ASX 20-Faccession 0001193125-26-135585filed Apr 1 '26

—Twseunlisted

SentenceThe principal trading market for our Common Shares is the TWSE and the principal trading market for ADSs representing our Common Shares is the NYSE.

ASX 20-Faccession 0001193125-26-135585filed Apr 1 '26

customer

ALABAstera Labs, Inc.

SentenceWe also use Advanced Semiconductor Engineering and Amkor Technologies to assemble, package, and test our integrated circuits.

ALAB 10-Kaccession 0001736297-25-000003filed Feb 14 '25ALAB

CRDOCredo Technology Group Holding Ltd

Sentencewe use third-party contractors for packaging, assembly and testing, including Amkor Technology Inc. (Amkor) and Advanced Semiconductor Engineering, Inc. (ASE) for packaging our IC products

CRDO 10-Kaccession 0001628280-26-043303filed Jun 15 '26CRDO

CRUSCirrus Logic, Inc.

SentenceThe Company's primary assembly and test houses include Advanced Semiconductor Engineering, Inc., STATS ChipPAC Pte. Ltd., Amkor Technology, Inc., Siliconware Precision Industries Co., Ltd., and SFA Semicon Co., Ltd.

CRUS 10-Kaccession 0000772406-25-000014filed May 23 '25CRUS

GCTSGCT Semiconductor Holding, Inc.

SentenceWe use Hana Micron, Stats ChipPAC, and Advanced Semiconductor Engineering, Inc., ("ASE") for most of our assembly and testing requirements on a purchase order basis.

GCTS 10-Kaccession 0001193125-26-124183filed Mar 25 '26GCTS

LSCCLattice Semiconductor Corp

SentenceWe rely on our OSATs in Malaysia, Taiwan and Japan to support the packaging and test of our products, including Advanced Semiconductor Engineering and Amkor Technology.

LSCC 10-Kaccession 0001437749-25-003987filed Feb 14 '25LSCC

MXLMaxlinear, Inc

SentenceThe majority of our assembly/packaging and test requirements are supported by the following independent subcontractors: Advanced Semiconductor Engineering, or ASE, Greatek Electronics, Inc., Signetics Corporation, SIGURD Microelectronics Corp., and Silicon Precision Industries.

MXL 10-Kaccession 0001288469-26-000011filed Jan 29 '26MXL

QCOMQualcomm Inc

SentenceOur primary semiconductor assembly and test suppliers are Advanced Semiconductor Engineering, Amkor Technology, Siliconware Precision Industries and STATSChipPAC.

QCOM 10-Kaccession 0000804328-24-000075filed Nov 6 '24QCOM

SITMSitime Corp

SentenceUpon the completion of processing at the foundry, we use third-party contractors for packaging, assembly, and testing, including Advanced Semiconductor Engineering, Inc. ("ASE") in Taiwan, Carsem (M) Sdn Bhd. ("Carsem") in Malaysia, United Test and Assembly Center Ltd. ("UTAC") in Thailand, Hana Semiconductor (Ayutthaya) Co., Ltd in Thailand, Daishinku Corp. ("Daishinku") in Japan, and STATS ChipPAC Pte Ltd. in Singapore.

SITM 10-Kaccession 0001451809-26-000012filed Feb 11 '26SITM

—Beijing Wise Road Asset Management Co., Ltd.unlisted

Sentence**Sale and Purchase Agreement dated December 1, 2021 between ASEH, Global Advanced Packaging Technology Limited, Alto Enterprises Limited, ASE Investment (Kunshan) Limited and ASE Mauritius Inc., as sellers, and Beijing Wise Road Asset Management Co., Ltd., as purchaser, relating to the disposal of shares and equity interests in GAPT Holding Limited and ASE (Kunshan) Inc. (incorporated by reference to Exhibit 4(w) to our annual report on Form 20-F (File No. 001-16125) for the year ended December 31, 2021 filed on March 29, 2022).

ASX 20-Faccession 0001193125-26-135585filed Apr 1 '26

Order: filed share, then A–Z, unlisted last

Methodology

ties · implied moves · holdersMethod

Ties Implied moves Holders

Dependency

Sources

Methodology

ties · implied moves · holdersMethod

Ties Implied moves Holders