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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 2021 TWDUSD
Gross Profit68,080.35M2,437.37M
Operating income46,459.45M1,663.31M
Income before tax53,308.36M1,908.51M
Net income55,780.25M1,997.01M
Diluted EPS4.470.16
Dividends Per Share30.10
Total Assets464,426.77M16,786.30M
Total liabilities178,776.83M6,461.73M
Total equity280,979.70M10,155.77M
Operating cash flow90,351.89M3,234.72M
Currency in TWDCurrency in USD

Historical Data

 Dec 2017Dec 2018Dec 2019Dec 2020Dec 2021
Revenue 149,284.70M 151,252.57M 148,201.64M 176,820.91M 213,011.01M
Gross Profit 22,831.74M 18,931.55M 18,104.57M 35,222.22M 68,080.35M
Operating income 4,914.62M 680.34M -492.31M 15,753.51M 46,459.45M
Income before tax 7,521.46M 2,852.10M 4,588.14M 21,258.22M 53,308.36M
Net income 9,628.73M 7,072.99M 9,707.61M 29,189.48M 55,780.25M
EBITDA 57,873.01M 52,556.78M 48,634.96M 64,393.85M 93,265.86M
Diluted EPS 0.74 0.54 0.75 2.34 4.47
Dividends Per Share 0.71 0.58 0.80 1.59 3
Total Assets 394,099.16M 364,604.90M 370,187.36M 377,516.37M 464,426.77M
Total liabilities 169,859.62M 144,419.63M 153,201.96M 135,372.37M 178,776.83M
Total equity 211,508.65M 206,069.72M 206,804.35M 235,659.74M 280,979.70M
Operating cash flow 52,474.39M 50,145.31M 55,498.99M 64,868.31M 90,351.89M
 Dec 2017Dec 2018Dec 2019Dec 2020Dec 2021
Revenue 4,907.01M 5,015.92M 4,794.19M 6,005.22M 7,626.09M
Gross Profit 750.48M 627.81M 585.66M 1,196.22M 2,437.37M
Operating income 161.54M 22.56M -15.92M 535.02M 1,663.31M
Income before tax 247.23M 94.58M 148.42M 721.97M 1,908.51M
Net income 316.49M 234.55M 314.03M 991.33M 1,997.01M
EBITDA 1,902.29M 1,742.91M 1,573.30M 2,186.95M 3,339.04M
Diluted EPS 0.02 0.01 0.02 0.07 0.16
Dividends Per Share 0.02 0.01 0.02 0.05 0.10
Total Assets 13,243.24M 11,862.08M 12,349.04M 13,435.70M 16,786.30M
Total liabilities 5,707.93M 4,698.56M 5,110.65M 4,817.86M 6,461.73M
Total equity 7,107.50M 6,704.28M 6,898.76M 8,387.06M 10,155.77M
Operating cash flow 1,724.84M 1,662.94M 1,795.34M 2,203.06M 3,234.72M

Valuation Measures

Dec 2021
Operating margin21.81%
Profit margin26.18%

Key executives

  • Co-President, Co-General Manager & Director: Shan Chieh Chien
  • Co-President, Co-General Manager & Director: Jason Wang
  • Chief Financial Officer, Head-Finance & Accounting: 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%)
  • Silicon Integrated Systems Corp. (2.2%)
  • BlackRock Fund Advisors (2.2%)
  • The Vanguard Group, Inc. (2.1%)
  • Yuanta Securities Investment Trust Co., Ltd. (1.9%)
  • Norges Bank Investment Management (1.4%)
  • Goldman Sachs Asset Management International (0.7%)
  • Dimensional Fund Advisors LP (0.7%)
  • AllianceBernstein LP (0.7%)
  • BlackRock Advisors (UK) Ltd. (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 Aug, 2022

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