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ASE Technology Holding Co. , Ltd. Investor Relations Contact : ir@aseglobal.com Tel : +886.2.6636.5678 http://www.aseglobal.com ASE Technology Holding Co. , Ltd. Reports Unaudited Consolidated Financial Results for the Second Quarter of 2021 Taipei , Taiwan , R.O.C. , July 29 , 2021 - ASE Technology Holding Co. , Ltd. ( TAIEX : 3711 , NYSE : ASX ) ( " We " , " ASEH " , or the “ Company ” ) , the leading provider of semiconductor manufacturing services in assembly and test , today reported unaudited net revenues¹ of NT $ 126,926 million for 2Q21 , up by 18 % year - over - year and up by 6 % sequentially . Net income attributable to shareholders of the parent for the quarter totaled NT $ 10,338 million , up from a net income attributable to shareholders of the parent of NT $ 6,937 million in 2Q20 and up from a net income attributable to shareholders of the parent of NT $ 8,477 million in 1Q21 . Basic earnings per share for the quarter were NT $ 2.40 ( or US $ 0.171 per ADS ) , compared to NT $ 1.63 for 2Q20 and NT $ 1.97 for 1Q21 . Diluted earnings per share for the quarter were NT $ 2.30 ( or US $ 0.164 per ADS ) , compared to NT $ 1.60 for 2Q20 and NT $ 1.92 for 1Q21 . We have completed the identification of the difference between the cost of the investment and our share of the net fair value of Asteelflash's identifiable assets and liabilities in 2Q21 ; therefore , we retrospectively adjusted the amounts for 1Q21 . Such adjustments included an increase of NT $ 397 million to total assets , an increase of NT $ 507 million to total liabilities and a decrease of NT $ 110 million to shareholders ' equity as of March 31 , 2021. The revaluation resulted in an increase of NT $ 119 million to inventory cost , depreciation , amortization , income tax benefit and non - controlling interest for 1Q21 . RESULTS OF OPERATIONS 2Q21 Results Highlights – Consolidated Net revenue contribution from packaging operations , testing operations , EMS operations and others , each represented approximately 51 % , 9 % , 39 % and 1 % , respectively , of total net revenues for the quarter . Cost of revenue was NT $ 102,122 million for the quarter , up from NT $ 97,584 million in 1Q21 . Raw material cost totaled NT $ 58,420 million for the quarter , representing 46 % of total net revenues . Labor cost totaled NT $ 16,144 million for the quarter , representing 13 % of total net 1 All financial information presented in this press release is unaudited , consolidated and prepared in accordance with Taiwan - IFRS ( International Financial Reporting Standards as endorsed for use in the R.O.C. ) . Such financial information is generated internally by us and has not been subjected to the same review and scrutiny , including internal auditing procedures and audit by our independent auditors , to which we subject our audited consolidated financial statements , and may vary materially from the audited consolidated financial information for the same period . Any evaluation of the financial information presented in this press release should also take into account our published audited consolidated financial statements and the notes to those statements . In addition , the financial information presented is not necessarily indicative of our results of operations for any future period . 1