OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | Q2 FY'21 (In '000's 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 (loss) / Non-GAAP-based net income, attributable to Open Text GAAP-based earnings (loss) per share / Non-GAAP-based earnings per share-diluted, attributable to Open Text opentext™ GAAP 117,882 29,668 46,619 54,091 603,082 100,238 147,897 62,765 54,926 (17,494) 234,470 5,251 267,559 (65,477) (0.24) Three Months Ended December 31, 2020 GAAP % of Total Revenue 70.5% $ Adjustments FN (1,143) (1) $ (499) (1) (666) (1) (54,091) (2) 56,399 (3) (2,707) (1) (4,957) (1) (4,554) (1) (54,926) (2) 17,494 (4) 106,049 (5) (5,251) (6) (225,150) (7) 325,948 (8) 1.19 (8) $ Non-GAAP 116,739 29,169 45,953 659,481 97,531 142,940 58,211 340,519 42,409 260,471 0.95 Non-GAAP % of Total Revenue 77.1% Open Text Confidential. ©2021 All Rights Reserved. 39

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