Amkor’s Newest Factory Set to Open in Vietnam on October 11, 2023

TEMPE, Ariz.–(BUSINESS WIRE)–Amkor Technology, Inc. (Nasdaq: AMKR), a leading provider of semiconductor packaging and test services, has scheduled the grand opening of its newest factory in Bac Ninh, Vietnam on October 11, 2023.

The Vietnam campus is poised to become Amkor’s most extensive facility, occupying a substantial 57-acre expanse within the Yen Phong 2C Industrial Park. Upon completion it will feature 200,000 square meters of cleanroom space. Beginning with Advanced System in Package (SiP) and memory production, the factory will offer turnkey solutions—from design to electrical test—to the world’s leading semiconductor and electronic manufacturing companies. Amkor has committed $1.6 billion for the first two phases of the project for facility, machinery and equipment, making a substantial contribution to Vietnam’s economic growth. The result will be Amkor’s most advanced facility, delivering next-generation semiconductor packaging capabilities.

“This state-of-the-art factory in Vietnam will help Amkor provide an unrivaled geographic footprint to our customers, supporting global but also enabling regional supply chains. It’s the kind of secure and reliable supply chain our customers need—in communications, automotive, high-performance computing, and other key industries,” said Giel Rutten, Amkor’s president and chief executive officer. “A large and skilled workforce, a strategic location, and support from government authorities made it an ideal location for Amkor’s continued growth. We are proud of what we’ve accomplished together with Vietnam and look forward to a long and mutually beneficial relationship.”

To learn more about Amkor’s new Vietnam factory, please visit amkor.com/vietnam.

About Amkor Technology, Inc.

Amkor Technology, Inc. is the world’s largest US headquartered OSAT (outsourced semiconductor assembly and test) service provider. 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 manufacturing 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, research and development centers and sales and support offices located in key electronics manufacturing regions in Asia, Europe and the United States.

Forward-Looking Statement Disclaimer

This press release contains forward-looking statements within the meaning of the federal securities laws, including statements about the start of production in Bac Ninh, the size of the facility in Bac Ninh, capital expenditures, and growth. You are cautioned not to place undue reliance on forward-looking statements. All forward-looking statements in this press release are made based on our current expectations, forecasts, estimates and assumptions. Because such statements include risks and uncertainties, actual results may differ materially from those anticipated in such forward-looking statements. Risk factors that could affect the outcome of the events set forth in these statements are discussed in the company’s reports filed with or furnished to the Securities and Exchange Commission. All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by this cautionary statement. We assume no obligation to review or update any forward-looking statements to reflect events or circumstances occurring after the date of this press release except as may be required by applicable law.

Contacts

Investor Relations

Jennifer Jue

Vice President, Investor Relations and Finance

480-786-7594

jennifer.jue@amkor.com

Media Relations

Christina Parsons

Director, Marketing Communications

480-786-7653

christina.parsons@amkor.com

Social Media: @amkortechnology