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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: 19,097

• Price / Volume Information    Yesterday's Closing Price: $20.77 Daily Weekly Monthly 20 Day Moving Average: 10,052,676 shares Shares Outstanding: 2,517.63 (millions) Market Capitalization: $52,291.20 (millions) Beta: 1.59 52 Week High: $28.96 52 Week Low: $6.72 Short Interest Ratio:   % Price Change % Price Change Relative to S&P 500 4 Week 10.54% 11.03% 12 Week -10.01% -11.92% Year To Date 164.25% 134.36%

• 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 Jason Wang - Chief Executive Officer and Director Stan Hung - Chairman;Chief Strategic Officer Ming Hsu - President; Chief Operating Officer and Director Lih J. Chen - Director Jyuo-Min Shyu - 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: 06/01/26 Next Expected EPS Date: 11/04/26 Share - Related Items Shares Outstanding: 2,517.63 Most Recent Split Date: 8.00 (1.05:1) Beta: 1.59 Market Capitalization: $52,291.20 (millions)

• EPS Information     • Dividend Information Analyst Coverage: No Dividend Yield: 1.48% Current Fiscal Quarter EPS Consensus Estimate: $0.23 Indicated Annual Dividend: $0.31 Current Fiscal Year EPS Consensus Estimate: $1.23 Payout Ratio: 0.35 Number of Estimates in the Fiscal Year Consensus: 2.00 Change In Payout Ratio: -0.09 Estmated Long-Term EPS Growth Rate: 34.65% Last Dividend Paid: 07/08/2026 - $0.31 Next EPS Report Date: 11/04/26

• Fundamental Ratios P/E Current FY Estimate: 16.89 Trailing 12 Months: 19.41 PEG Ratio: 0.49 Price Ratios Price/Book: 3.72 Price/Cash Flow: 16.50 Price / Sales: 6.52 EPS Growth vs. Year Ago Period: 350.00% vs. Previous Quarter: 170.00% Sales Growth vs. Year Ago Period: 8.42% vs. Previous Quarter: 12.75% ROE 06/30/26 - 21.00 03/31/26 - 13.67 12/31/25 - 11.58 ROA 06/30/26 - 13.87 03/31/26 - 8.85 12/31/25 - 7.50 Current Ratio 06/30/26 - 2.17 03/31/26 - 2.72 12/31/25 - 2.29 Quick Ratio 06/30/26 - 1.81 03/31/26 - 2.23 12/31/25 - 1.87 Operating Margin 06/30/26 - 33.18 03/31/26 - 20.71 12/31/25 - 17.60 Net Margin 06/30/26 - 33.18 03/31/26 - 20.71 12/31/25 - 17.60 Pre-Tax Margin 06/30/26 - 35.90 03/31/26 - 22.62 12/31/25 - 20.24 Book Value 06/30/26 - 5.59 03/31/26 - 5.11 12/31/25 - 4.63 Inventory Turnover 06/30/26 - 4.65 03/31/26 - 4.65 12/31/25 - 4.73 Debt-to-Equity 06/30/26 - 0.10 03/31/26 - 0.12 12/31/25 - 0.12 Debt-to-Capital 06/30/26 - 9.31 03/31/26 - 10.39 12/31/25 - 11.03

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