Randy Abrams

Steve Barger

Craig Ellis

Joseph Moore

Peter Peng

Thomas Diffely

Ross Cole

Benjamin Reitzes

Ben Reitzes

Charles Shi

James Schneider

Peter Pang

Steven Fox

Tom Diffely

Toshiya Hari

Yu Shi

- Amkor Technology is making a **$7 billion investment** in a state-of-the-art semiconductor advanced packaging and test campus in Peoria, Arizona, expanding its initial plans.  **[1047127_12af242fb3794dca9535829db2261d52]** 
- This campus will be the **first high-volume advanced packaging facility in the U.S.**, creating up to **3,000 high-quality jobs** and featuring over **750,000 square feet of cleanroom space**.  **[1047127_12af242fb3794dca9535829db2261d52]** 
- The facility, expected to begin production in **early 2028**, supports key clients like Apple and NVIDIA and aims to strengthen domestic semiconductor supply chains and technological sovereignty.  **[1047127_12af242fb3794dca9535829db2261d52]** 
- It will develop advanced packaging technologies, including **2.5D and 3D interposer solutions**, vital for next-generation AI and high-performance computing applications.  **[1047127_12af242fb3794dca9535829db2261d52]**

Amkor Technology Announces $7 Billion Semiconductor Campus Investment

- Amkor Technology, Inc. completed the sale of **$500 million** aggregate principal amount of its **5.875% Senior Notes due 2033** on **September 22, 2025**.  **[1047127_0001047127-25-000184_amkrseptember2025ex991clos.htm:0]** **[1047127_0001047127-25-000184_amkrseptember2025ex41closi.htm:0]** **[1047127_0001047127-25-000184_amkr-20250922.htm:2]** **[1047127_0001047127-25-000184_amkrseptember2025ex41closi.htm:4]** 
- Concurrently, the company announced the full redemption of all **$400 million** aggregate principal amount of its outstanding **6.625% Senior Notes due 2027**, with the redemption effective on **October 9, 2025**.  **[1047127_0001047127-25-000184_amkrseptember2025ex991clos.htm:0]** **[1047127_0001047127-25-000184_amkr-20250922.htm:4]** 
- The net proceeds from the 2033 Notes offering are expected to fund the redemption of the 2027 Notes, pay related fees and expenses, and for general corporate purposes.  **[1047127_0001047127-25-000184_amkrseptember2025ex991clos.htm:0]** **[1047127_0001047127-25-000184_amkr-20250922.htm:4]** 
- The newly issued 2033 Notes will mature on **October 1, 2033**, and bear interest at a rate of **5.875% per year**, payable semi-annually.  **[1047127_0001047127-25-000184_amkr-20250922.htm:2]** **[1047127_0001047127-25-000184_amkrseptember2025ex41closi.htm:32]** **[1047127_0001047127-25-000184_amkrseptember2025ex41closi.htm:101]**

Amkor Technology Completes Senior Notes Offering and Announces Redemption of Existing Notes

- Amkor Technology, Inc. announced plans to build a new **$2 billion** advanced packaging and test facility on a **104-acre site** within the Peoria Innovation Core in Arizona.  **[1047127_8eacfef0d4bd4226b03a4f4b8fbf2fec]** 
- This facility is projected to create approximately **2,000 jobs** and become the **largest outsourced semiconductor packaging and test site in the U.S.**.  **[1047127_8eacfef0d4bd4226b03a4f4b8fbf2fec]** 
- Production at the new facility is expected to commence by **early 2028**.  **[1047127_8eacfef0d4bd4226b03a4f4b8fbf2fec]** 
- The investment aims to strengthen the **U.S. semiconductor supply chain** and support critical industries such as high-performance computing, communications, and automotive.  **[1047127_8eacfef0d4bd4226b03a4f4b8fbf2fec]**

Amkor Plans New Semiconductor Facility in Arizona

AMKOR TECHNOLOGY (AMKR)