OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | Q1 F21 Three Months Ended September 30, 2020 (in '000s USD, except per share data) COST OF REVENUES Cloud services and subscriptions Customer support Professional service and other Amortization of acquired technology-based intangible assets GAAP-based gross profit and gross margin (%)/ Non-GAAP-based gross profit and gross margin (%) Operating expenses Research and development Sales and marketing General and administrative Amortization of acquired customer-based intangible assets Special charges (recoveries) GAAP-based income from operations / Non-GAAP-based income from operations Other income (expense), net Provision for (recovery of) income taxes GAAP-based net income / Non-GAAP-based net income, attributable to Open Text GAAP-based earnings per share / Non-GAAP-based earnings per share- diluted, attributable to Open Text opentext™ $ $ GAAP 112,624 29,194 46,581 58,037 555,088 93,903 132,400 56,189 54,993 13,244 182,356 2,883 42,744 103,376 0.38 GAAP % of Total Revenue 69.0% $ $ Adjustments (836) (442) (517) (58,037) 59,832 (2,342) (4,057) (3,542) (54,993) (13,244) 138,010 (2,883) (3,365) 138,492 0.51 FN (1) (1) (1) (2) (3) (1) (1) (1) (2) (4) (5) (6) (7) (8) $ (8) $ Non-GAAP 111,788 28,752 46,064 614,920 91,561 128,343 52,647 320,366 39,379 241,868 0.89 Non-GAAP % of Total Revenue 76.5% Open Text Confidential. ©2020 All Rights Reserved. 38

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