Company news
United Microelectronics Corp. news
Latest news releases, newest first. Pick a year for every news release, call and deck from that year.
UMC Reports Sales for September 2026
October 6, 2026
UMC Reports Sales for August 2026
September 4, 2026
UMC Reports Sales for July 2026
August 6, 2026
UMC Reports Second Quarter 2026 Results
July 29, 2026
UMC Announces Fab Expansion in Singapore and Construction of New Fab in Tainan to Meet Accelerating AI Demand
July 29, 2026
SILITH and UMC Achieve Mass Production Milestone for Silicon Photonics
July 13, 2026
UMC Reports Sales for June 2026
July 6, 2026
UMC Reports Sales for May 2026
June 5, 2026
UMC Shareholders Approve NT$2.60 Cash Dividend at Annual Shareholders’ Meeting
May 27, 2026
UMC Announces Release of 14nm eHV FinFET Platform, Advancing Innovation in Next-Generation Smartphone Displays
May 14, 2026
UMC Reports Sales for April 2026
May 8, 2026
UMC Files Form 20-F for 2025 with US Securities and Exchange Commission
April 30, 2026
UMC Reports First Quarter 2026 Results
April 29, 2026
United Microelectronics: UMC earns highest “AAA” rating in MSCI ESG Ratings
April 21, 2026
UMC Reports Sales for March 2026
April 8, 2026
HyperLight and UMC Collaborate with Jabil to Bring TFLN Photonics to Data-Center Scale Deployment
March 13, 2026
HyperLight, UMC, and Wavetek Announce Strategic Partnership for High-Volume Foundry Production of TFLN Chiplet™ Platform
March 11, 2026
Adeia and UMC Expand Long-Term Collaboration in Hybrid Bonding Technologies
March 11, 2026
UMC Reports Sales for February 2026
March 5, 2026
United Microelectronics: UMC Board of Directors Announces Proposals for its Annual Shareholders Meeting
February 25, 2026
UMC Again Ranks Top 1% in the Semiconductor Industry in S&P Global Sustainability Yearbook 2026
February 23, 2026
UMC Reports Sales for January 2026
February 5, 2026
UMC Reports Fourth Quarter 2025 Results
January 28, 2026
SST and UMC Announce Immediate Availability of 28nm SuperFlash® Gen 4 Automotive Grade 1 Platform
January 15, 2026
UMC Reports Sales for December 2025
January 7, 2026
United Microelectronics: UMC Awarded Top Climate and Water Ratings by CDP for 4th Consecutive Year
December 14, 2025
UMC Inaugurates the Circular Economy & Recycling Innovation CenterNew facility demonstrates UMC’s commitment to circular material use to advance sustainability
December 10, 2025
UMC Licenses imec’s iSiPP300 Technology to Extend Silicon Photonics Capabilities for Next-Generation Connectivity
December 8, 2025
UMC and Polar Collaborate to Meet Growing Demand for U.S. Onshore Semiconductor Manufacturing
December 4, 2025
UMC Reports Sales for November 2025
December 4, 2025
UMC Honors 16 Suppliers for Outstanding Carbon Reduction Achievements
December 3, 2025
Metalenz and UMC Bring Breakthrough Face Authentication Solution Polar ID to Mass Production
November 12, 2025
UMC Reports Sales for October 2025
November 6, 2025
UMC Reports Third Quarter 2025 Results
October 29, 2025
UMC Introduces 55nm BCD Platform to Elevate Power Efficiency for Smartphones, Consumer Electronics, and Automotive Applications
October 22, 2025
UMC Reports Sales for September 2025
October 7, 2025
UMC Reports Sales for August 2025
September 4, 2025
UMC’s 1.5°C Net-Zero targets validated by Science Based Targets initiative (SBTi)
August 8, 2025
UMC Reports Sales for July 2025
August 6, 2025
UMC Reports Second Quarter 2025 Results
July 30, 2025
Multibeam Secures $31 Million in Series B Financing to Accelerate Global Deployment of E-Beam Lithography Production Solutions
July 29, 2025
UMC Reports Sales for June 2025
July 4, 2025
UMC Reports Sales for May 2025
June 5, 2025
UMC Reports Sales for April 2025
May 8, 2025
UMC Files Form 20-F for 2024 with US Securities and Exchange Commission
April 24, 2025
UMC Reports First Quarter 2025 Results
April 23, 2025
UMC Reports Sales for March 2025
April 8, 2025
CORRECTING and REPLACING CAPTION UMC Unveils New Fab Expansion in Singapore in Grand Opening Ceremony
April 1, 2025
UMC Reports Sales for February 2025
March 6, 2025
Calls
The 5 newest of 25 calls. Every call is listed under its year.
- United Microelectronics (TWSE:2303) Q2 2026 Earnings Call
Jul 29, 2026
Transcript - United Microelectronics (TWSE:2303) Q1 2026 Earnings Call
Apr 29, 2026
Transcript - United Microelectronics (TWSE:2303) Q4 2025 Earnings Call
Jan 28, 2026
Transcript - United Microelectronics (TWSE:2303) Q3 2025 Earnings Call
Oct 29, 2025
Transcript - United Microelectronics (TWSE:2303) Q2 2025 Earnings Call
Jul 30, 2025
Transcript
Decks
The 5 newest of 32 decks. Every deck is listed under its year.
- Q3 2026 Earnings Presentation
Earnings · 11 slides · Oct 28, 2026
- Q2 2026 Earnings Presentation
Earnings · 14 slides · Jul 29, 2026
- Q1 2026 Earnings Presentation
Earnings · 14 slides · Apr 30, 2026
- Q1 2026 Earnings Presentation
Earnings · 14 slides · Apr 29, 2026
- Q4 2025 Earnings Presentation
Earnings · 18 slides · Jan 29, 2026