Amkor Technology, Inc. (NASDAQ:AMKR), a leading provider of semiconductor packaging and test services, will host its 2026 Investor Day in New York City, followed by participation in the Nasdaq Closing Bell ceremony, on Thursday, May 21, 2026.

The Investor Day will begin at 9:00 AM ET and feature presentations from Kevin Engel, President and CEO, Megan Faust, CFO, and other members of Amkor's senior leadership team. The program will provide an in-depth review of the company's long-term strategy, key growth initiatives, and financial outlook.

In conjunction with the event, Amkor will ring the Nasdaq Closing bell later that day, marking the occasion and celebrating the company's success and strategic momentum.

A live video webcast of the Investor Day presentations, along with a replay and presentation materials, will be available on the Amkor Investor Relations website at ir.amkor.com.

About Amkor Technology, Inc.

Amkor Technology, Inc. (NASDAQ:AMKR) is the world's largest U.S. headquartered OSAT and is a global leader in outsourced semiconductor packaging and test services. With a strong track record of innovation, a broad and diverse geographic footprint and solid partnerships with lead customers, Amkor delivers high-quality solutions that enable the world's leading semiconductor and electronics companies to bring advanced technologies to market. The company's comprehensive portfolio includes advanced packaging, wafer-level processing, and system-in-package solutions targeting applications for smartphones, data centers, artificial intelligence, automobiles and wearables. For more information visit amkor.com.

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Jennifer Jue

Vice President, Investor Relations

480-786-7594

jennifer.jue@amkor.com

Kris Pugsley

Vice President, Marketing Communications

480-786-7499

kris.pugsley@amkor.com

Amkor Technology to Host 2026 Investor Day and Ring Nasdaq Closing Bell