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Annual figures as reported in 10-K / 20-F / 40-F filings.
UMC · CIK 0001033767

United Microelectronics Corporation

Annual figures as reported, FY2014–FY2024. Ratios and growth rates derived on-page.

UMC logo
Semiconductors & Related Devices
Company profile
NYSE · UMCHQ Taipei, TaiwanIncorporated in F5Fiscal year ends Dec 31Large accelerated filerReports in TWD
Revenue
NT$232.3B
▲ +4.4% vs FY2023
Net income
NT$48.7B
▼ −19.1% vs FY2023
Free cash flow
NT$5.3B
▲ +197.3% vs FY2023
Diluted EPS
NT$3.94
▼ −18.3% vs FY2023

Revenue

Annual, as reported

0100B200B’15’17’19’21’23’24NT$232.3B

Net income

Annual, as reported

025B50B75B’15’17’19’21’23’24NT$48.7B

Profitability & returns

quality of earnings

Margins

Share of revenue kept at each line

0%20%40%’15’17’19’21’23
Gross marginOperating marginNet margin

Returns on capital

Net income vs year-end equity and assets

0%10%20%’15’17’19’21’23
Return on equityReturn on assets

Cash flow

cash generation

Free cash flow

Operating cash flow less capital expenditure

050B’15’17’19’21’23’24NT$5.3B

Operating cash flow

Net cash from operations

050B100B’15’17’19’21’23’24NT$93.9B

Shareholder returns

capital allocation

Capital returned

Cash paid out as dividends and share repurchases

02B4B6B’15’17’19’21’22
Buybacks

Diluted shares outstanding

Falling count means buybacks outpace dilution

05B10B’15’17’19’21’23’2412.37B

Balance sheet

financial position

Stockholders’ equity

At fiscal year end

0100B200B300B’14’16’18’20’22’24NT$365.7B

Growth rates

compounding, annualized
Revenue CAGR
+2.9%
3y
+9.4%
5y
Net income CAGR
−1.3%
3y
+60.5%
5y
Diluted EPS CAGR
−2.0%
3y
+43.4%
5y
Free cash flow CAGR
−49.9%
3y
−32.6%
5y
Share count change (split-adjusted)
−4.5%
5y

Key ratios

derived per fiscal year
Fiscal yearGross marginOp. marginNet marginFCF marginROEROACurrent ratioDPS
FY202432.6%22.2%21.0%2.3%13.3%8.7%2.45×—
FY202334.9%26.0%27.0%−2.5%17.5%11.0%2.13×NT$3.00
FY202245.1%37.4%32.4%23.6%28.0%17.2%2.24×NT$3.60
FY202133.8%24.3%23.7%19.9%19.1%11.2%2.15×—
FY202022.1%12.4%11.8%22.3%9.3%5.7%2.07×NT$1.60
FY201914.4%3.3%3.1%25.9%2.3%1.2%2.11×NT$0.80
FY201815.1%3.8%2.1%20.7%1.6%0.9%2.82×NT$0.59
FY201718.1%4.4%4.5%5.5%3.2%1.7%1.57×NT$0.71
FY201620.5%4.2%2.8%−30.5%1.9%1.1%1.52×NT$0.50
FY201521.9%7.5%8.7%−0.5%5.6%———
FY2014————————

Annual figures

as reported
Fiscal yearRevenueGross profitOp. incomeNet incomeDiluted EPSOp. cash flowCapexTotal assetsLiabilitiesEquityCashLT debt
FY2024NT$232.3BNT$75.7BNT$51.6BNT$48.7BNT$3.94NT$93.9BNT$88.5BNT$560.2BNT$194.5BNT$365.7BNT$105.0B—
FY2023NT$222.5BNT$77.7BNT$57.9BNT$60.1BNT$4.82NT$86.0BNT$91.5BNT$546.6BNT$202.9BNT$343.7BNT$132.6B—
FY2022NT$278.7BNT$125.8BNT$104.3BNT$90.3BNT$7.16NT$145.9BNT$80.1BNT$524.6BNT$201.8BNT$322.8BNT$173.8B—
FY2021NT$213.0BNT$72.0BNT$51.7BNT$50.6BNT$4.19NT$90.4BNT$48.0BNT$451.0BNT$186.6BNT$264.4BNT$132.6B—
FY2020NT$176.8BNT$39.0BNT$21.9BNT$20.9BNT$1.87NT$65.7BNT$26.3BNT$366.5BNT$143.3BNT$223.1BNT$94.0B—
FY2019NT$148.2BNT$21.3BNT$4.9BNT$4.6BNT$0.65NT$54.9BNT$16.5BNT$366.3BNT$163.3BNT$202.9BNT$95.5B—
FY2018NT$151.3BNT$22.8BNT$5.7BNT$3.2BNT$0.60NT$50.9BNT$19.6BNT$362.6BNT$158.2BNT$204.4BNT$83.7B—
FY2017NT$149.3BNT$27.1BNT$6.6BNT$6.7BNT$0.75NT$52.5BNT$44.2BNT$391.1BNT$181.5BNT$209.6BNT$81.7B—
FY2016NT$147.9BNT$30.4BNT$6.2BNT$4.2BNT$0.67NT$46.5BNT$91.6BNT$384.2BNT$169.3BNT$214.9BNT$57.6B—
FY2015NT$144.8BNT$31.8BNT$10.8BNT$12.6BNT$1.02NT$59.8BNT$60.5B——NT$224.9BNT$53.3B—
FY2014—————————NT$220.3BNT$46.2B—

Latest filings

the most recent regulatory filings
4Insider ownership filing2026-06-30 ↗6-KForeign issuer report2026-06-29 ↗6-KForeign issuer report2026-06-23 ↗6-KForeign issuer report2026-06-22 ↗6-KForeign issuer report2026-06-18 ↗6-KForeign issuer report2026-06-16 ↗6-KForeign issuer report2026-06-05 ↗6-KForeign issuer report2026-06-03 ↗SDSpecialized disclosure2026-05-29 ↗6-KForeign issuer report2026-05-27 ↗

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