Amkor Technology, Inc. (Nasdaq: AMKR), a leading provider of semiconductor packaging and test services, today announced that the company has been added to the PHLX Semiconductor Sector Index (SOX) effective Monday, September 18, 2023.

“Our inclusion into the SOX is a reflection of the success of our strategic focus and financial transformation, driving substantial growth in market capitalization unlocking significant shareholder value,” said Giel Rutten, Amkor’s president and chief executive officer.

The PHLX Semiconductor Sector Index (SOX) is a modified market capitalization-weighted index designed to measure the performance of the 30 largest US-listed semiconductor companies.

Amkor Technology was added to the S&P MidCap 400 index, another premier benchmark of the US equities market, in February of 2021.

About Amkor Technology, Inc.

Amkor Technology, Inc. is the world's largest US headquartered OSAT (outsourced semiconductor assembly and test). Since its founding in 1968, Amkor has pioneered the outsourcing of IC packaging and test services and is a strategic manufacturing partner for the world's leading semiconductor companies, foundries, and electronics OEMs. Amkor provides turnkey services for the communication, automotive and industrial, computing, and consumer industries, including but not limited to smartphones, electric vehicles, data centers, artificial intelligence and wearables. Amkor's operational base includes production facilities, product development centers and sales and support offices located in key electronics manufacturing regions in Asia, Europe and the United States.

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