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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: 19,741

• Price / Volume Information    Yesterday's Closing Price: $8.76 Daily Weekly Monthly 20 Day Moving Average: 7,234,035 shares Shares Outstanding: 2,496.65 (millions) Market Capitalization: $21,870.64 (millions) Beta: 1.28 52 Week High: $9.22 52 Week Low: $5.36 Short Interest Ratio:   % Price Change % Price Change Relative to S&P 500 4 Week 5.29% 2.01% 12 Week 32.93% 23.19% Year To Date 34.15% 26.14%

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

• General Corporate Information    Officers Chitung Liu - Chief Financial Officer; Senior Vice President Stan Hung - Chairman; Director and Chief Strategic Officer SC Chien - Co-presidentand Director Lih J. Chen - Independent Director Ting-YuLin - 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: 12/01/22 Next Expected EPS Date: 04/26/23 Share - Related Items Shares Outstanding: 2,496.65 Most Recent Split Date: 8.00 (1.05:1) Beta: 1.28 Market Capitalization: $21,870.64 (millions)

• EPS Information     • Dividend Information Analyst Coverage: No Dividend Yield: 0.00% Current Fiscal Quarter EPS Consensus Estimate: $0.16 Indicated Annual Dividend: $0.00 Current Fiscal Year EPS Consensus Estimate: $0.77 Payout Ratio: 0.00 Number of Estimates in the Fiscal Year Consensus: 2.00 Change In Payout Ratio: -0.48 Estmated Long-Term EPS Growth Rate: 2.41% Last Dividend Paid: NA - $0.00 Next EPS Report Date: 04/26/23

• Fundamental Ratios P/E Current FY Estimate: 11.38 Trailing 12 Months: 7.49 PEG Ratio: 4.72 Price Ratios Price/Book: 1.95 Price/Cash Flow: 5.23 Price / Sales: 2.37 EPS Growth vs. Year Ago Period: 4.17% vs. Previous Quarter: -28.57% Sales Growth vs. Year Ago Period: 3.46% vs. Previous Quarter: -6.95% ROE 03/31/23 - 27.43 12/31/22 - 28.14 09/30/22 - 26.66 ROA 03/31/23 - 16.67 12/31/22 - 16.79 09/30/22 - 15.86 Current Ratio 03/31/23 - 2.32 12/31/22 - 2.47 09/30/22 - 2.02 Quick Ratio 03/31/23 - 2.04 12/31/22 - 2.19 09/30/22 - 1.81 Operating Margin 03/31/23 - 31.24 12/31/22 - 31.00 09/30/22 - 29.74 Net Margin 03/31/23 - 31.24 12/31/22 - 31.00 09/30/22 - 29.74 Pre-Tax Margin 03/31/23 - 38.07 12/31/22 - 36.33 09/30/22 - 33.69 Book Value 03/31/23 - 4.50 12/31/22 - 4.15 09/30/22 - 3.86 Inventory Turnover 03/31/23 - 5.30 12/31/22 - 5.72 09/30/22 - 5.94 Debt-to-Equity 03/31/23 - 0.12 12/31/22 - 0.15 09/30/22 - 0.16 Debt-to-Capital 03/31/23 - 10.63 12/31/22 - 12.77 09/30/22 - 13.89

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