1Unless otherwise stated, all financial figures discussed in this announcement are prepared in accordance with TIFRSs recognized by Financial Supervisory Commission in the ROC, which is different from IFRSs issued by the International Accounting Standards Board. They represent comparisons among the three-month period ending December 31, 2023, the three-month period ending September 30, 2023, and the equivalent three-month period that ended December 31, 2022. For all 4Q23 results, New Taiwan Dollar (NT$) amounts have been converted into U.S. Dollars at the December 31, 2023 exchange rate of NT$ 30.71 per U.S. Dollar.
2 Revenue in this section represents wafer sales
3 Utilization Rate = Quarterly Wafer Out / Quarterly Capacity
4 Estimated capacity numbers are based on calculated maximum output rather than designed capacity. The actual capacity numbers may differ depending upon equipment delivery schedules, pace of migration to more advanced process technologies, and other factors affecting production ramp-up.
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Michael Lin / David Wong
UMC, Investor Relations
+ 886-2-2658-9168, ext. 16900
jinhong_lin@umc.com
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