1、 Page 1 of 12 UMC 3Q25 Contacts:Michael Lin/David Wong UMC,Investor Relations+886-2-2658-9168,ext.16900 jinhong_ david_ UMC Reports Third Quarter 2025 Results 22nm business traction remains robust and well positioned for future growth Third Quarter 2025 Overview1:Revenue:NT$59.13 billion(US$1.94 bil

2、lion)Gross margin:29.8%;Operating margin:18.8%Revenue from 22/28nm:35%Capacity utilization rate:78%Net income attributable to shareholders of the parent:NT$14.98 billion(US$492 million)Earnings per share:NT$1.20;earnings per ADS:US$0.197 Taipei,Taiwan,ROC October 29,2025 United Microelectronics Corp

3、oration(NYSE:UMC;TWSE:2303)(“UMC”or“The Company”),a leading global semiconductor foundry,today announced its consolidated operating results for the third quarter of 2025.Third quarter consolidated revenue was NT$59.13 billion,increasing 0.6%from NT$58.76 billion in 2Q25.Compared to a year ago,3Q25 r

4、evenue decreased 2.2%.Consolidated gross margin for 3Q25 was 29.8%.Net income attributable to the shareholders of the parent was NT$14.98 billion,with earnings per ordinary share of NT$1.20.Jason Wang,co-president of UMC,said,“In the third quarter,we observed demand growth across most market segment

5、s,which drove a 3.4%increase in wafer shipments and improved utilization rate to 78%.In particular,we benefited from a pick-up in sales of smartphones and notebooks,driving replenishment orders from customers.Our 22nm technology platforms continue to provide us with differentiation in the market,wit

6、h 22nm revenue now accounting for more than 10%of total sales.In 2025 alone,we are projecting over 50 product tape-outs and we expect 22nm contribution to continue increasing in 2026.Aligned with our strategy of providing customers with highly 1 Unless otherwise stated,all financial figures discusse