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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: $7.45 Daily Weekly Monthly 20 Day Moving Average: 10,977,377 shares Shares Outstanding: 2,505.97 (millions) Market Capitalization: $18,669.44 (millions) Beta: 1.13 52 Week High: $9.00 52 Week Low: $5.61 Short Interest Ratio:   % Price Change % Price Change Relative to S&P 500 4 Week 8.44% 2.76% 12 Week 19.01% 28.57% Year To Date 14.79% 19.29%

• 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: 03/01/25 Next Expected EPS Date: 07/30/25 Share - Related Items Shares Outstanding: 2,505.97 Most Recent Split Date: 8.00 (1.05:1) Beta: 1.13 Market Capitalization: $18,669.44 (millions)

• EPS Information     • Dividend Information Analyst Coverage: No Dividend Yield: 4.70% Current Fiscal Quarter EPS Consensus Estimate: $0.14 Indicated Annual Dividend: $0.35 Current Fiscal Year EPS Consensus Estimate: $0.52 Payout Ratio: 0.65 Number of Estimates in the Fiscal Year Consensus: 2.00 Change In Payout Ratio: 0.31 Estmated Long-Term EPS Growth Rate: 8.82% Last Dividend Paid: NA - $0.00 Next EPS Report Date: 07/30/25

• Fundamental Ratios P/E Current FY Estimate: 14.19 Trailing 12 Months: 13.80 PEG Ratio: 1.61 Price Ratios Price/Book: 1.57 Price/Cash Flow: 6.47 Price / Sales: 2.58 EPS Growth vs. Year Ago Period: -30.77% vs. Previous Quarter: -10.00% Sales Growth vs. Year Ago Period: 2.11% vs. Previous Quarter: -5.32% ROE 03/31/25 - 12.10 12/31/24 - 12.88 09/30/24 - 14.35 ROA 03/31/25 - 7.81 12/31/24 - 8.26 09/30/24 - 9.13 Current Ratio 03/31/25 - 2.64 12/31/24 - 2.45 09/30/24 - 2.19 Quick Ratio 03/31/25 - 2.15 12/31/24 - 1.99 09/30/24 - 1.76 Operating Margin 03/31/25 - 18.97 12/31/24 - 20.35 09/30/24 - 22.89 Net Margin 03/31/25 - 18.97 12/31/24 - 20.35 09/30/24 - 22.89 Pre-Tax Margin 03/31/25 - 22.34 12/31/24 - 24.56 09/30/24 - 25.69 Book Value 03/31/25 - 4.74 12/31/24 - 4.45 09/30/24 - 4.56 Inventory Turnover 03/31/25 - 4.35 12/31/24 - 4.25 09/30/24 - 4.22 Debt-to-Equity 03/31/25 - 0.11 12/31/24 - 0.15 09/30/24 - 0.16 Debt-to-Capital 03/31/25 - 10.25 12/31/24 - 13.18 09/30/24 - 13.63

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