# Amkor Technology announces Phase 2 of Arizona campus, expanding investment to $12 billion

Amkor Technology announced Phase 2 of its Arizona advanced packaging and test campus, adding 60,000 square meters of cleanroom space and increasing total investment to approximately $12 billion. Construction is expected to begin in late 2027 and complete by end of 2029.

- Type: Expansion
- Announced: 2026-09-08
- Where: Tempe, Arizona, United States
- Value: $12.0B
- Jobs: 3,500
- Starts operating: 2029
- Status: announced
- Capacity: 93,000 square meters of cleanroom space
- Products: advanced semiconductor packaging and test services
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [Amkor Technology](https://endata.com/companies/21914.md)

## Sources

- [ir.amkor.com](https://ir.amkor.com/news-releases/news-release-details/amkor-technology-announces-phase-2-arizona-advanced-packaging), 2026-09-08: "Amkor Technology, Inc. today announced phase 2 of its Arizona Advanced packaging and test campus."
- [bizjournals.com](https://www.bizjournals.com/phoenix/news/2026/09/09/amkor-expands-peoria-campus-investment.html), 2026-09-09: "Amkor Technology is investing $12 billion in its Peoria, Arizona, facility to expand advanced semiconductor packaging capacity driven by customer demand from Apple and TSMC."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.