1、UMC3Q25 Financial ReviewOctober 29,2025UMC 2025NOTE CONCERNING FORWARD-LOOKING STATEMENTSThis presentation contains forward-looking statements within the meaning of Section 27A of the United States Securities Act of 1933,as amended,or the Securities Act,and Section 21E of the United States Securitie

2、s Exchange Act of 1934,as amended,and asdefined in the United States Private Securities Litigation Reform Act of 1995.These forward looking statements include,but are notlimited to,statements relating to anticipated quarterly Fab capacity,foundry capital expenditure plan and other statements that ar

3、e nothistorical information.These forward-looking statements involve known and unknown risks,uncertainties and other factors that may cause the actualperformance,financial condition or results of operations of UMC to be materially different from what is stated or may be implied in suchforward-lookin

4、g statements.Investors are cautioned that actual events and results could differ materially from those statements as aresult of a number of factors including,but not limited to:(i)dependence upon the frequent introduction of new services andtechnologies based on the latest developments in the indust

5、ry in which UMC operates;(ii)the intensely competitive semiconductor,communications,consumer electronics and computer industries and markets;(iii)the risks associated with international businessactivities;(iv)dependence upon key personnel;(v)general economic,political and industry conditions,includi

6、ng cyclical downturn ofsemiconductor markets and geopolitical conflict between U.S.,China and Taiwan;(vi)possible disruptions in commercial activitiescaused by natural and human-induced events and disasters,including natural disasters,terrorist activity,armed conflict,highlycontagious diseases,and p