21 Non-GAAP Financial Measures Note: EPS Calculations may not foot due to rounding differences Three Months EndedDecember 31, 2020 Three Months EndedDecember 31, 2019 Twelve Months EndedDecember 31, 2020 Twelve Months EndedDecember 31, 2019 Revenue (GAAP) $ 334,668 $ 318,585 $ 1,332,001 $ 1,322,934 Revenue of the product lines divested or to be divested (25,163) (33,683) (113,553) (143,172) Adjusted revenue $ 309,505 $ 284,902 $ 1,218,448 $ 1,179,762 Operating income (loss) (GAAP) $ 34,815 $ (14,466) $ 152,656 $ 121,110 Divestiture & other related costs – Cost of products sold 4 10,567 1,795 10,567 Divestiture & other related costs – Selling and administrative expenses 1,671 35,313 10,360 35,313 Operating income of the product lines divested or to be divested (3,415) (745) (7,580) (1,978) Operational improvement plan - Cost of products sold - - 35 - Operational improvement plan - Selling and administrative expenses 698 - 3,304 - COVID-19 employee payment - Cost of products sold 1,036 - 1,036 - COVID-19 employee payment - Selling and administrative expenses 1,986 - 1,986 - Adjusted operating income $ 36,795 $ 30,669 $ 163,592 $ 165,012 Net earnings (loss) (GAAP) $ 25,169 $ (16,962) $ 109,472 $ 82,047 Divestiture & other related costs, before tax 1,675 45,880 12,155 45,880 Tax impact of divestiture & other related costs (1,393) (2,671) (2,605) (2,671) Net earnings of the product lines divested or to be divested, before tax (3,415) (745) (7,580) (1,978) Tax impact of the product lines divested or to be divested 790 196 1,945 399 Operational improvement plan costs, before tax 698 - 3,339 - Tax impact of operational improvement plan (170) - (826) - COVID-19 employee payment, before tax 3,022 - 3,022 - Tax impact of COVID-19 employee payment (675) - (675) - Adjusted net earnings $ 25,701 $ 25,698 $ 118,247 $ 123,677 Diluted earnings (loss) per share (GAAP) $ 0.59 $ (0.40) $ 2.59 $ 1.94 Divestiture & other related costs, net of tax 0.01 1.02 0.23 1.02 Results of operations of the product lines divested or to be divested, net of tax (0.06) (0.01) (0.13) (0.04) Operational improvement plan costs, net of tax 0.01 - 0.06 - COVID-19 employee payment, net of tax 0.06 - 0.06 - Adjusted diluted earnings per share $ 0.61 $ 0.61 $ 2.79 $ 2.92