Establishment

and Operating

Location

Percentage of

Ownership (%)

December 31

Name of Investor

Name of Investee

Main Businesses

2021

2022

Innosource Limited

Omniquest Industrial Limited

Holding company

British Virgin Islands

20.6

ASE (Shanghai) Inc.

Engaged in the production of substrates

Shanghai, China

8.5

Omniquest Industrial Limited

ASE Corporation

Holding company

British Cayman Islands

100.0

Alto Enterprises Limited

ASE (Kunshan) Inc.

Engaged in the packaging and testing of semiconductors

Kun Shan, China

(Note 2

)

—

ASE Investment (Kun Shan) Limited

Holding company (returned shares to ASE Assembly & Test (Shanghai) Limited through capital reduction in November 2022 and increased Alto Enterprises Limited’s percentage of ownership to 100%)

Kun Shan, China

85.9

100.0

Super Zone Holdings Limited

Advanced Semiconductor Engineering (China) Ltd.

Engaged in the packaging and testing of semiconductors, after-sale services, advisory and lease of factory

Shanghai, China

100.0

ASE Investment (Labuan) Inc.

ASE (Korea) Inc. (“ASE Korea”)

Engaged in the packaging and testing of semiconductors

Korea

100.0

ASE Technology Partners, Limited

ASE Technology Acquisition Corporation

Holding company

British Cayman Islands

100.0

ASE Test

ASE Test Holdings, Ltd.

Holding company

British Cayman Islands

100.0

ASE Holdings (Singapore) Pte Ltd

Holding company

Singapore

100.0

ASE Investment (Labuan) Inc.

Holding company

Malaysia

29.9

ASE Singapore Pte. Ltd.

Engaged in the packaging and testing of semiconductors (disposed to ASE in November 2022)

Singapore

100.0

—

ASE Test Holdings, Ltd.

ISE Labs, Inc.

Engaged in the testing of semiconductors

U.S.A.

100.0

ISE Labs, Inc.

ISE Services, Inc.

Engaged in wafer procurement and customer product management services

U.S.A.

100.0

ASE Holdings (Singapore) Pte Ltd

ASE Electronics (M) Sdn. Bhd.

Engaged in the packaging and testing of semiconductors (disposed to ASE in November 2022)

Malaysia

100.0

—

Global Advanced Packaging Technology Limited

ASE Assembly & Test (Shanghai) Limited

Engaged in the packaging and testing of semiconductors and leasing of properties

Shanghai, China

100.0

GAPT Holding Limited

Holding company

British Virgin Islands

(Note 2

)

—

GAPT Holding Limited

Global Advanced Packaging Test (Hongkong) Limited

Engaged in the trading of substrates

Hong Kong

(Note 2

)

—

Global Advanced Packaging Test (Hongkong) Limited

Suzhou ASEN Semiconductors Co., Ltd. (“ASEN”)

Engaged in the packaging and testing of semiconductors

Suzhou, China

(Note 2

)

—

ASE (Weihai) Inc.

Engaged in the packaging and testing of semiconductors (acquired from J&R Holding in October 2021 through share exchange under restructure)

Shandong, China

(Note 2

)

—

ASEN

ASE Advanced Semiconductor (Shanghai) Limited

Engaged in the packaging and testing of semiconductors (acquired from Global Advanced Packaging Technology Limited in November 2021)

Shanghai, China

(Note 2

)

—

ASE Assembly & Test (Shanghai) Limited

ASE Investment (Kun Shan) Limited

Holding company ( returned shares to ASE Assembly & Test (Shanghai) Limited through capital reduction in November 2022 and increased Alto Enterprises Limited’s percentage of ownership to 100%)

Kun Shan, China

14.1

—

Wuxi Tongzhi Microelectronics Co., Ltd.

Engaged in the packaging and testing of semiconductors

Wuxi, China

100.0

ISE Labs, China, Ltd.

Engaged in the testing of semiconductor

Shanghai, China

100.0

Shanghai Ding Hui Real Estate Development Co., Ltd. (“DH”)

Engaged in the development, construction and sale of real estate properties

Shanghai, China

60.0

Shanghai Ding Qi Property Management Co., Ltd.

Engaged in the management of real estate properties

Shanghai, China

100.0

Shanghai Ding Wei Real Estate Development Co., Ltd.

Engaged in the management of properties, parking lot business and leasing of properties for shopping center

Shanghai, China

100.0

Shanghai Ding Yu Real Estate Development Co., Ltd.

Engaged in the management of properties, parking lot business and leasing of properties for shopping center

Shanghai, China

100.0

Kun Shan Ding Hong Real Estate Development Co., Ltd

Engaged in the development, construction and leasing of properties for shopping center

Kun Shan, China

100.0

Establishment

and Operating

Location

Percentage of

Ownership (%)

December 31

Name of Investor

Name of Investee

Main Businesses

2021

2022

Shanghai Ding Xu Property Management Co., Ltd.

Engaged in the management of real estate properties

Shanghai, China

100.0

Shanghai Ding Yao Estate Development Co., Ltd.

Engaged in the management of real estate properties

Shanghai, China

100.0

Shanghai Ding Fan Business Management Co., Ltd.

Engaged in the management of commercial complex services and department store trading

Shanghai, China

100.0

ASE Investment (Kun Shan) Limited

ASE (Kunshan) Inc.

Engaged in the packaging and testing of semiconductors

Kun Shan, China

(Note 2

)

—

ASE Corporation

ASE Mauritius Inc.

Holding company

Mauritius

100.0

ASE Labuan Inc.

Holding company

Malaysia

100.0

ASE Mauritius Inc.

ASE (Kunshan) Inc.

Engaged in the packaging and testing of semiconductors

Kun Shan, China

(Note 2

)

—

ASE (Shanghai) Inc.

Engaged in the production of substrates

Shanghai, China

91.5

ASE Labuan Inc.

ASE Electronics Inc.

Engaged in the production of substrates

R.O.C.

100.0

ASE (Shanghai) Inc.

Advanced Semiconductor Engineering (HK) Limited

Engaged in the trading of substrates

Hong Kong

100.0

Shanghai Ding Hui Real Estate Development Co., Ltd.

Engaged in the development, construction and sale of real estate properties

Shanghai, China

40.0

Universal Scientific Industrial (Shanghai) Co., Ltd. (“USISH”)

Engaged in the designing, manufacturing and sales of electronic components

Shanghai, China

0.8

USIINC

Huntington Holdings International Co., Ltd.

Holding company

British Virgin Islands

100.0

Huntington Holdings International Co., Ltd.

Unitech Holdings International Co., Ltd.

Holding company

British Virgin Islands

100.0

Real Tech Holdings Limited

Holding company

British Virgin Islands

100.0

Universal ABIT Holding Co., Ltd.

In the process of liquidation

British Cayman Islands

100.0

Real Tech Holdings Limited

USI Enterprise Limited (“USIE”)

Engaged in the service of investment advisory and warehousing management

Hong Kong

100.0

USIE

USISH

Engaged in the designing, manufacturing and sales of electronic components

Shanghai, China

77.2

77.3

USISH

Universal Global Technology Co., Limited (“UGT”)

Holding company

Hong Kong

100.0

Universal Global Technology (Kunshan) Co., Ltd. (“UGKS”)

Engaged in the designing and manufacturing of electronic components

Kun Shan, China

100.0

Universal Global Technology (Shanghai) Co., Ltd.

Engaged in the processing and sales of computer and communication peripherals as well as business in import and export of goods and technology

Shanghai, China

100.0

Universal Global Electronics (Shanghai) Co., Ltd.

Engaged in the sales of electronic components and telecommunications equipment

Shanghai, China

100.0

USI Electronics (Shenzhen) Co., Ltd.

Engaged in the design, manufacturing and sales of motherboards and computer peripherals

Shenzhen, China

50.0

Universal Global Technology (Huizhou) Co., Ltd.

Engaged in the research and manufacturing of new electronic applications, communications, computers and other electronics products and also provided auxiliary technical services as well as import and export services

Huizhou, China

100.0

FINANCIERE AFG (”FAFG”)

Holding company

France

10.4

UGT

Universal Global Industrial Co., Limited

Engaged in manufacturing, trading and investing activity

Hong Kong

100.0

Universal Global Scientific Industrial Co., Ltd. (“UGTW”)

Engaged in the manufacturing of components of telecommunication and cars and provision of related R&D services

R.O.C.

100.0

USI America Inc.

Engaged in the manufacturing and processing of motherboards and wireless network communication and provision of related technical service

U.S.A.

100.0

Universal Scientific Industrial De Mexico S.A. De C.V.

Engaged in the assembling of motherboards and computer components

Mexico

100.0

USI Japan Co., Ltd.

Engaged in the manufacturing and sales of computer peripherals, integrated chip and other related accessories

Japan

100.0

USI Electronics (Shenzhen) Co., Ltd.

Engaged in the design, manufacturing and sales of motherboards and computer peripherals

Shenzhen, China

50.0

Establishment

and Operating

Location

Percentage of

Ownership (%)

December 31

Name of Investor

Name of Investee

Main Businesses

2021

2022

Universal Global Electronics Co., Ltd.

Engaged in accepting and outsourcing orders as well as sales of electronic components and service of technical advisory

Hong Kong

100.0

Universal Scientific Industrial (France) (“USIFR”)

Engaged in investing activities

France

100.0

UNIVERSAL SCIENTIFIC INDUSTRIAL VIETNAM COMPANY LIMITED

Engaged in IC assembly for wearable devices

Vietnam

100.0

Universal Global Industrial Co., Limited

Universal Scientific Industrial De Mexico S.A. De C.V.

Engaged in the assembling of motherboards and computer components

Mexico

(Note 1

)

(Note 1

)

UGTW

Universal Scientific Industrial Co., Ltd.

Engaged in the manufacturing, processing and sales of computers, computer peripherals and related accessories

R.O.C.

100.0

Universal Global Electronics Co., Ltd.

Universal Scientific Industrial Poland Sp. z o.o. (“USIPL”)

Engaged in the design and manufacturing of electronic components and new electronic applications.

Poland

100.0

Universal Global Electronics (Shanghai) Co., Ltd.

USI Science and Technology (Shenzhen) Co., Ltd.

Engaged in the design of electronic components, service of technical advisory; wholesale of electronic components and communication peripherals as well as business in import and export of goods and management of properties.

Shenzhen, China

100.0

USIFR

FAFG

Holding company

France

89.6

FAFG

ASTEELFLASH GROUP

Holding company (acquired 1 share from USIFR in October 2021 and merged by FAFG in January 2022 )

France

100.0

—

MANUFACTURING POWER TUNISIA

Engaged in the design and manufacturing of electronic components (acquired from ASTEELFLASH GROUP in January 2022)

Tunisia

0.1

100.0

ASTEELFLASH MEXICO S.A. de C.V.

Engaged in the design and manufacturing of electronic components (acquired from ASTEELFLASH GROUP in January 2022)

Mexico

0.1

100.0

ASTEELFLASH (BEDFORD) LIMITED

Engaged in the design and manufacturing of electronic components (acquired from ASTEELFLASH GROUP in January 2022)

United Kingdom

—

100.0

ASTEELFLASH FRANCE

Engaged in the design and manufacturing of electronic components (acquired from ASTEELFLASH GROUP in January 2022)

France

—

99.9

ASTEELFLASH TUNISIE S.A.

Engaged in the design and manufacturing of electronic components (acquired from ASTEELFLASH GROUP in January 2022)

Tunisia

—

100.0

ASTEELFLASH HONG KONG LIMITED

Holding company (acquired from ASTEELFLASH GROUP in January 2022)

Hong Kong

—

100.0

ASTEELFLASH GERMANY GmbH

Engaged in the design and manufacturing of electronic components (acquired from ASTEELFLASH GROUP in January 2022)

Germany

—

100.0

ASTEELFLASH US HOLDING CORP.

Holding company (acquired from ASTEELFLASH GROUP in January 2022)

U.S.A.

—

100.0

AFERH TUNISIE

Engaged in the management, training and consulting of human resources (acquired from ASTEELFLASH GROUP in January 2022)

Tunisia

—

0.5

ASTEEL ELECTRONICS MANUFACTURING SERVICES

Engaged in the design and manufacturing of electronic components (acquired from ASTEELFLASH GROUP in January 2022)

Tunisia

—

0.1

ASTEELFLASH PLZEN S.R.O.

Engaged in the design and manufacturing of electronic components (acquired from ASTEELFLASH GROUP in January 2022)

Czech Republic

—

100.0

Establishment

and Operating

Location

Percentage of

Ownership (%)

December 31

Name of Investor

Name of Investee

Main Businesses

2021

2022

ASTEELFLASH GROUP

ASTEELFLASH (BEDFORD) LIMITED

Engaged in the design and manufacturing of electronic components (disposed to FAFG in January 2022)

United Kingdom

100.0

—

ASTEELFLASH FRANCE

Engaged in the design and manufacturing of electronic components (disposed to FAFG in January 2022)

France

99.9

—

ASTEELFLASH TUNISIE S.A.

Engaged in the design and manufacturing of electronic components (disposed to FAFG in January 2022)

Tunisia

100.0

—

ASTEELFLASH HONG KONG LIMITED

Holding company (disposed to FAFG in January 2022)

Hong Kong

100.0

—

ASTEELFLASH MEXICO S.A. de C.V.

Engaged in the design and manufacturing of electronic components (disposed to FAFG in January 2022)

Mexico

99.9

—

ASTEELFLASH GERMANY GmbH

Engaged in the design and manufacturing of electronic components (disposed to FAFG in January 2022)

Germany

100.0

—

MANUFACTURING POWER TUNISIA

Engaged in the design and manufacturing of electronic components (disposed to FAFG in January 2022)

Tunisia

99.9

—

ASTEELFLASH US HOLDING CORP.

Holding company (disposed to FAFG in January 2022)

U.S.A.

100.0

—

AFERH TUNISIE

Engaged in the management, training and consulting of human resources (disposed to FAFG in January 2022)

Tunisia

0.5

—

ASTEEL ELECTRONICS MANUFACTURING SERVICES

Engaged in the design and manufacturing of electronic components (disposed to FAFG in January 2022)

Tunisia

0.1

—

ASTEELFLASH PLZEN S.R.O.

Engaged in the design and manufacturing of electronic components (disposed to FAFG in January 2022)

Czech Republic

100.0

—

ASTEELFLASH (BEDFORD) LIMITED

ASTEELFLASH TUNISIE S.A.

Engaged in the design and manufacturing of electronic components

Tunisia

(Note 1

)

(Note 1

)

ASTEELFLASH TECHNOLOGIE

ASTEELFLASH FRANCE

Engaged in the design and manufacturing of electronic components

France

(Note1

)

(Note1

)

ASTEELFLASH FRANCE

ASTEEL ELECTRONICS MANUFACTURING SERVICES

Engaged in the design and manufacturing of electronic components

Tunisia

99.9

ASTEELFLASH TECHNOLOGIE

Engaged in projection of plastic and the design and manufacturing of industrial components

France

100.0

ASTEELFLASH BRETAGNE

Engaged in the design and manufacturing of electronic components

France

100.0

ASTEELFLASH TUNISIE S.A.

Engaged in the design and manufacturing of electronic components

Tunisia

(Note 1

)

(Note 1

)

AFERH TUNISIE

Engaged in the management, training and consulting of organization and human resources

Tunisia

99.5

ASTEELFLASH HONG KONG LIMITED

Asteelflash Suzhou Co., Ltd.

Engaged in the design and manufacturing of electronic components

Suzhou, China

100.0

Asteelflash Suzhou Co., Ltd.

ASTEELFLASH TUNISIE S.A.

Engaged in the design and manufacturing of electronic components

Tunisia

(Note 1

)

(Note 1

)

ASTEELFLASH GERMANY GmbH

ASTEELFLASH HERSFELD GmbH

Engaged in the design and manufacturing of electronic components

Germany

100.0

ASTEELFLASH EBERBACH GmbH

Engaged in the design and manufacturing of electronic components

Germany

100.0

ASTEELFLASH BONN GmbH

Engaged in the design and manufacturing of electronic components

Germany

100.0

ASTEELFLASH SCHWANDORF GmbH

Engaged in the design and manufacturing of electronic components

Germany

100.0

ASTEELFLASH DESIGN SOLUTIONS HAMBOURG GmbH

Engaged in the design and manufacturing of electronic components

Germany

100.0

Establishment

and Operating

Location

Percentage of

Ownership (%)

December 31

Name of Investor

Name of Investee

Main Businesses

2021

2022

EN ELECTRONICNETWORK SRL

Engaged in the design and manufacturing of electronic components

Romania

100.0

ASTEELFLASH TUNISIE S.A.

Engaged in the design and manufacturing of electronic components

Tunisia

(Note 1

)

(Note 1

)

ASTEELFLASH MEXICO S.A. de C.V.

ASTEELFLASH TUNISIE S.A.

Engaged in the design and manufacturing of electronic components

Tunisia

(Note 1

)

(Note 1

)

ASTEELFLASH US HOLDING CORP.

ASTEELFLASH USA CORP.

Engaged in the design and manufacturing of electronic components

U.S.A.

100.0

ASTEELFLASH USA CORP.

ASTEELFLASH TUNISIE S.A.

Engaged in the design and manufacturing of electronic components

Tunisia

(Note 1

)

(Note 1

)

SPIL

SPIL (B.V.I.) Holding Limited

Engaged in investing activities

British Virgin Islands

100.0

Siliconware Investment Co., Ltd.

Engaged in investing activities (merged by SPIL in March 2022)

R.O.C.

100.0

—

SPIL (B.V.I.) Holding Limited

Siliconware USA, Inc.

Engaged in marketing activities

U.S.A.

100.0

SPIL (Cayman) Holding Limited

Engaged in investing activities

British Cayman Islands

100.0

SPIL (Cayman) Holding Limited

Siliconware Technology (Suzhou) Limited

Engaged in the packaging and testing of semiconductors

Suzhou, China

100.0

Note 1:

The number of shares held was 1 share or 3 shares and the percentage of ownership was less than 0.1%.

Note 2:

In December 2021, the Company’s board of directors resolved to dispose its 100% shareholdings in those subsidiaries, which were settled in December 2021 and resulted in losing its control over those subsidiaries. Refer to Note 30 DISPOSAL OF SUBSIDIARIES for related disclosure.