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BorgWarner BORGWARNER REPORTS SECOND QUARTER 2021 U.S. GAAP NET EARNINGS OF $ 1.03 PER DILUTED SHARE , OR $ 1.08 PER DILUTED SHARE EXCLUDING NON - COMPARABLE ITEMS Second Quarter Highlights : Auburn Hills , Michigan , August 4 , 2021 - BorgWarner Inc. ( NYSE : BWA ) today reported second quarter results . O U.S. GAAP net sales of $ 3,758 million , up 164 % compared with second quarter 2020 . Excluding the impact of foreign currencies and the net impact of acquisitions and divestitures , organic sales were up 72 % compared with second quarter 2020 . U.S. GAAP net earnings of $ 1.03 per diluted share . Excluding the $ 0.05 per diluted share related to non - comparable items ( detailed in 0 Immediate Release Contact : Patrick Nolan 248.754.0884 the table below ) , adjusted net earnings were $ 1.08 per diluted share . U.S. GAAP operating income of $ 317 million , or 8.4 % of net sales . Excluding the $ 84 million of pretax expenses related to non - comparable items , O Exhibit 99.1 adjusted operating income was $ 401 million . Excluding the impact of non comparable items , adjusted operating income was 10.7 % of net sales . Net cash provided by operating activities of $ 280 million . Free cash flow was $ 133 million . O 1 Financial Results : The Company believes the following table is useful in highlighting non - comparable items that impacted its U.S. GAAP net earnings per diluted share . The Company defines adjusted earnings per diluted share as earnings per diluted share adjusted to eliminate the impact of restructuring expense , merger , acquisition and divestiture expense , other net expenses , discontinued operations , other gains and losses not reflective of the Company's ongoing operations , and related tax effects .