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Zacks Company Profile for United Microelectronics Corporation (UMC : NYSE)

• Company Description    UMC specializes in providing foundry services for high performancesemiconductor applications. Its core competency lies in its abilityto produce high yield Integrated Circuit wafers, manufactured on a per-customer basis. The company draws its distinction from industryleading technology. In addition to wafer manufacturing, its customers benefit from services such as extensive IP resources, free-of-charge design libraries, and full front-end and backend support. Number of Employees: 19,016

• Price / Volume Information    Yesterday's Closing Price: $9.95 Daily Weekly Monthly 20 Day Moving Average: 8,220,182 shares Shares Outstanding: 2,512.14 (millions) Market Capitalization: $24,995.83 (millions) Beta: 1.16 52 Week High: $12.68 52 Week Low: $6.56 Short Interest Ratio:   % Price Change % Price Change Relative to S&P 500 4 Week 6.99% 0.92% 12 Week -10.60% -12.48% Year To Date 26.59% 23.39%

• Address & Contact Information Street Address Phone / Fax Email Address Web URL No.3 Li-HsinRoad II Hsinchu Science Park - Hsinchu,F5 300094 TWN ph: 886-2-2658-9168 fax: 886-3577-9392 ir@umc.com http://www.umc.com

• General Corporate Information    Officers Stan Hung - Chairman SC Chien - Co-president Chitung Liu - Senior Vice President and Chief Financial Officer Lih J. Chen - Director Kuang Si Shiu - Director Peer Information United Microelectronics Corporation (CPCL.) United Microelectronics Corporation (HIFN) United Microelectronics Corporation (SEM.1) United Microelectronics Corporation (DION) United Microelectronics Corporation (AMKR) United Microelectronics Corporation (CNXT.) Industry / Sector / Ticker Info Analyst Coverage: No Industry Group: ELEC COMP-SEMIC Sector: Computer and Technology CUSIP: 910873405 SIC: 3674 Fiscal Year Fiscal Year End: December Last Reported Quarter: 12/01/25 Next Expected EPS Date: 04/29/26 Share - Related Items Shares Outstanding: 2,512.14 Most Recent Split Date: 8.00 (1.05:1) Beta: 1.16 Market Capitalization: $24,995.83 (millions)

• EPS Information     • Dividend Information Analyst Coverage: No Dividend Yield: 3.74% Current Fiscal Quarter EPS Consensus Estimate: $0.13 Indicated Annual Dividend: $0.37 Current Fiscal Year EPS Consensus Estimate: $0.52 Payout Ratio: 0.69 Number of Estimates in the Fiscal Year Consensus: 2.00 Change In Payout Ratio: 0.28 Estmated Long-Term EPS Growth Rate: 3.62% Last Dividend Paid: NA - $0.00 Next EPS Report Date: 04/29/26

• Fundamental Ratios P/E Current FY Estimate: 19.14 Trailing 12 Months: 18.43 PEG Ratio: 5.29 Price Ratios Price/Book: 2.05 Price/Cash Flow: 7.85 Price / Sales: 3.26 EPS Growth vs. Year Ago Period: 30.00% vs. Previous Quarter: -35.00% Sales Growth vs. Year Ago Period: 6.84% vs. Previous Quarter: 1.44% ROE 03/31/26 - - 12/31/25 - 11.45 09/30/25 - 11.18 ROA 03/31/26 - - 12/31/25 - 7.45 09/30/25 - 7.26 Current Ratio 03/31/26 - - 12/31/25 - 2.34 09/30/25 - 2.34 Quick Ratio 03/31/26 - - 12/31/25 - 1.91 09/30/25 - 1.92 Operating Margin 03/31/26 - - 12/31/25 - 17.60 09/30/25 - 17.08 Net Margin 03/31/26 - - 12/31/25 - 17.60 09/30/25 - 17.08 Pre-Tax Margin 03/31/26 - - 12/31/25 - 20.90 09/30/25 - 18.82 Book Value 03/31/26 - - 12/31/25 - 4.85 09/30/25 - 4.80 Inventory Turnover 03/31/26 - - 12/31/25 - 4.76 09/30/25 - 4.71 Debt-to-Equity 03/31/26 - - 12/31/25 - 0.12 09/30/25 - 0.15 Debt-to-Capital 03/31/26 - - 12/31/25 - 10.67 09/30/25 - 12.95

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