Capital Allocation and Fiscal Year 2023 Targets

Reconciliations Net Sales Cost of Goods Sold Gross Profit Gross Margin MSC INDUSTRIAL DIRECT CO., INC. Reconciliation of GAAP and Non-GAAP Financial Information Thirteen and Thirty-Nine Weeks Ended May 30, 2020 (dollars in thousands, except percentages and per share data) GAAP Financial Measure Items Affecting Comparability 1 Non-GAAP Financial Measure MSC Industrial excluding Restructuring Costs Total MSC Industrial Thirteen Weeks Ended Restructuring Costs Thirty-Nine Weeks Ended Thirteen Weeks Ended Thirty-Nine Weeks Ended Thirteen Weeks Ended Thirty-Nine Weeks Ended May 30, 2020 May 30, 2020 May 30, 2020 834,972 2,444,667 $ 834,972 $ 2,444,667 481,010 1,412,457 481,010 1,412,457 353,962 42.4% 1,032,210 42.2% 353,962 1,032,210 42.4% 42.2% Operating Expenses 242,751 748,519 Operating Exp as % of Sales 29.1% 30.6% Restructuring Costs 242,751 748,519 29.1% 30.6% 1,359 5,871 1,359 5,871 Income from Operations Operating Margin 109,852 277,820 (1,359) (5,871) 111,211 283,691 13.2% 11.4% -0.2% -0.2% 13.3% 11.6% Total Other Expense Income before provision for income taxes Provision for income taxes Net income (5,838) (12,375) (5,838) (12,375) 104,014 265,445 (1,359) (5,871) 105,373 271,316 25,900 66,323 78,114 199,122 (338) (1,021) (1,468) 26.238 67,791 (4,403) 79,135 203,525 Net income attributable to noncontrolling interest 411 Net income attributable to MSC Industrial $ 77,703 $ 501 198,621 411 501 $ (1,021) $ (4,403) $ 78,724 $ 203,024 Net income per common share: Diluted $ 1.40 3.57 $ (0.02) $ (0.08) $ 1.42 $ 1The thirteen and thirty-nine weeks ended May 30, 2020 include only restructuring costs. Items of note excluded from the current period results, including inventory write-downs, an impairment loss (loss recovery) and associated legal costs, did not occur in the prior year periods. MSC 3.65 30

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