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Electronic Technology

United Microelectronics Corp.

Company Background

United Microelectronics is a Taiwanese chipmaker, with assets of around $10 billion. It sells a range of products, including CMOS wafers, memory chips and high-voltage integrated circuits. UMC has over 17,000 employees worldwide and offices in Taiwan, Japan, South Korea, China, Singapore, the U.S. and Europe.

UMC is expanding aggressively overseas. The company bought a 9%, $48 million stake in a subsidiary of Japan's Fujitsu Semiconductor, which owns a Japanese plant that makes 12-inch wafers. UMC has also set up a joint venture with China's Xiamen municipal government and state-owned Fujian Electronics and Information Group to build a semiconductor fabrication plant in Xiamen.

UMC will invest a total of $1.35 billion in the venture over five years, starting in 2015. As part of the plan, the venture purchased a 33% stake in Xiamen-based chipmaker United Semiconductor in January 2015.

UMC was founded in 1980 as Taiwan's first semiconductor company. Yen Po-wen, who joined UMC in 1986, has served as CEO since 2012. Before that, he was senior vice president in charge of 12-inch operations.

Business Summary

United Microelectronics Corp. is engaged in the semiconductor foundry business, which offers complementary metal-oxide semiconductor logic wafers, mixed signal wafers, radio frequency complementary metal-oxide semiconductor wafers, embedded memory products, high voltage integrated circuits, and complementary metal-oxide semiconductor image sensors. The company was founded on May 22, 1980 and is headquartered in Hsinchu, Taiwan.

Financial Highlights

Dec 2022 TWDUSD
Gross Profit122,637.34M4,113.55M
Operating income98,952.57M3,319.11M
Income before tax107,949.00M3,620.87M
Net income87,198.29M2,924.84M
Diluted EPS6.860.23
Dividends Per Share3.600.12
Total Assets533,052.09M17,343.20M
Total liabilities195,605.55M6,364.15M
Total equity335,107.26M10,902.93M
Operating cash flow145,860.52M4,892.51M
Currency in TWDCurrency in USD

Historical Data

 Dec 2018Dec 2019Dec 2020Dec 2021Dec 2022
Revenue 151,252.57M 148,201.64M 176,820.91M 213,011.01M 278,705.26M
Gross Profit 18,931.55M 18,104.57M 35,222.22M 68,080.35M 122,637.34M
Operating income 680.34M -492.31M 15,753.51M 46,459.45M 98,952.57M
Income before tax 2,852.10M 4,588.14M 21,258.22M 53,308.36M 107,949.00M
Net income 7,072.99M 9,707.61M 29,189.48M 55,780.25M 87,198.29M
EBITDA 52,556.78M 48,634.96M 64,393.85M 93,265.86M 142,855.84M
Diluted EPS 0.54 0.75 2.34 4.47 6.86
Dividends Per Share 0.58 0.80 1.59 3 3.60
Total Assets 364,604.90M 370,187.36M 377,516.37M 464,426.77M 533,052.09M
Total liabilities 144,419.63M 153,201.96M 135,372.37M 178,776.83M 195,605.55M
Total equity 206,069.72M 206,804.35M 235,659.74M 280,979.70M 335,107.26M
Operating cash flow 50,145.31M 55,498.99M 64,868.31M 90,351.89M 145,860.52M
 Dec 2018Dec 2019Dec 2020Dec 2021Dec 2022
Revenue 5,015.92M 4,794.19M 6,005.22M 7,626.09M 9,348.45M
Gross Profit 627.81M 585.66M 1,196.22M 2,437.37M 4,113.55M
Operating income 22.56M -15.92M 535.02M 1,663.31M 3,319.11M
Income before tax 94.58M 148.42M 721.97M 1,908.51M 3,620.87M
Net income 234.55M 314.03M 991.33M 1,997.01M 2,924.84M
EBITDA 1,742.91M 1,573.30M 2,186.95M 3,339.04M 4,791.73M
Diluted EPS 0.01 0.02 0.07 0.16 0.23
Dividends Per Share 0.01 0.02 0.05 0.10 0.12
Total Assets 11,862.08M 12,349.04M 13,435.70M 16,786.30M 17,343.20M
Total liabilities 4,698.56M 5,110.65M 4,817.86M 6,461.73M 6,364.15M
Total equity 6,704.28M 6,898.76M 8,387.06M 10,155.77M 10,902.93M
Operating cash flow 1,662.94M 1,795.34M 2,203.06M 3,234.72M 4,892.51M

Valuation Measures

Dec 2022
Operating margin35.50%
Profit margin31.28%

Key executives

  • Co-President & Director: Shan Chieh Chien
  • Co-President & Director: Jason Wang
  • CFO, Senior VP & Head-Corporate Governance: Chi Tung Liu
  • Vice President, Deputy GM & General Counsel: Lucas S. Chang
  • Director-Factory & Vice President: Shian Ho Shen


  • Hsieh Yung Investment Co. Ltd. (3.5%)
  • The Vanguard Group, Inc. (2.2%)
  • Silicon Integrated Systems Corp. (2.2%)
  • BlackRock Fund Advisors (2.1%)
  • Yuanta Securities Investment Trust Co., Ltd. (1.9%)
  • Norges Bank Investment Management (1.4%)
  • Dimensional Fund Advisors LP (0.8%)
  • AllianceBernstein LP (0.6%)
  • BlackRock Advisors (UK) Ltd. (0.6%)
  • APG Asset Management NV (0.6%)

Contact Details

  • Website:
  • Address: Hsinchu Science Park, No. 3, Li-Hsin 2nd Road, Hsinchu, 300 78, Taiwan
  • Phone: +886.3.578.2258

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Last Updated on 17 Mar, 2023

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