# United Microelectronics Corporation

- Headquarters: TWN
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Sites

| Place | Latest | Largest value | Types |
| --- | --- | --- | --- |
| Pasir Ris Wafer Fab Park, Singapore | 2019-05-13 | — | expansion |
| Taiwan, TWN | 2018-12-12 | $887.6M | investment |
| China | 2018-10-31 | — | closure |
| Xiamen, China | 2017-11-28 | $600.0M | investment, new_facility |

## Customers, suppliers and deals

- [Fujitsu Semiconductor Limited](https://endata.com/companies/27643.md): acquired, 3×, latest 2019-09-25
- [Mie Fujitsu Semiconductor Limited](https://endata.com/companies/32835.md): acquired, 3×, latest 2019-09-25
- [Allegro MicroSystems](https://endata.com/companies/28898.md): customer, 2×, latest 2018-08-01
- [Panasonic](https://endata.com/companies/1026.md): partner, 1×, latest 2017-02-01
- [Panasonic Semiconductor Solutions](https://endata.com/companies/21856.md): partner, 1×, latest 2017-02-01

## Announcements (12)

- 2019-09-25: [UMC completes acquisition of Mie Fujitsu Semiconductor](https://endata.com/announcements/42596-umc-completes-acquisition-of-mie-fujitsu-semiconductor) (Acquisition · Mie, Japan, Japan · $500.0M)
- 2019-05-13: [UMC unveils new fab expansion in Singapore](https://endata.com/announcements/38911-umc-unveils-new-fab-expansion-in-singapore) (Expansion · Pasir Ris Wafer Fab Park, Singapore, Singapore · 700 jobs · starts operating 2026)
- 2018-12-12: [UMC approves NT$27.41 billion budget for wafer capacity expansion](https://endata.com/announcements/35526-umc-approves-nt-27-41-billion-budget-for-wafer-capacity-expansion) (Investment · Taiwan, Singapore, Xiamen (China), Suzhou (China), TWN · $887.6M)
- 2018-10-31: [UMC suspends assistance to Fujian Jinhua](https://endata.com/announcements/34550-umc-suspends-assistance-to-fujian-jinhua) (Closure · China)
- 2018-08-01: [Allegro MicroSystems signs long-term supply deal with UMC](https://endata.com/announcements/32487-allegro-microsystems-signs-long-term-supply-deal-with-umc) (Contract)
- 2018-07-31: [Allegro MicroSystems and UMC sign long-term foundry agreement](https://endata.com/announcements/32428-allegro-microsystems-and-umc-sign-long-term-foundry-agreement) (Contract · TWN)
- 2018-06-29: [UMC to fully acquire MIFS fab from Fujitsu Semiconductor](https://endata.com/announcements/31753-umc-to-fully-acquire-mifs-fab-from-fujitsu-semiconductor) (Acquisition · Mie, Japan, Japan · $520.0M)
- 2018-01-29: [UMC to acquire full ownership of Mie Fujitsu Semiconductor](https://endata.com/announcements/31748-umc-to-acquire-full-ownership-of-mie-fujitsu-semiconductor) (Acquisition · Yokohama, Japan, Japan · $520.0M)
- 2017-11-28: [UMC gets approval to invest additional US$600M in Xiamen fab](https://endata.com/announcements/26958-umc-gets-approval-to-invest-additional-us-600m-in-xiamen-fab) (Investment · Xiamen, China, China · $600.0M · starts operating Q2 2018)
- 2017-02-01: [Panasonic and UMC agree to jointly develop 40nm ReRAM mass production process](https://endata.com/announcements/20357-panasonic-and-umc-agree-to-jointly-develop-40nm-reram-mass-production-process) (Partnership)
- 2017-02-01: [Panasonic and UMC partner to develop and mass-produce ReRAM memory](https://endata.com/announcements/20341-panasonic-and-umc-partner-to-develop-and-mass-produce-reram-memory) (Partnership)
- 2016-11-16: [UMC opens 12-inch wafer fab in Xiamen, China](https://endata.com/announcements/18584-umc-opens-12-inch-wafer-fab-in-xiamen-china) (New facility · Xiamen, China · starts operating 16 Nov 2016)

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