OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | Q3 FY'21 Three Months Ended March 31, 2021 (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 / 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 123,729 30,953 50,321 53,453 571,665 110,071 158,687 71,548 54,156 2,846 152,396 8,283 31,818 91,490 0.33 GAAP % of Total Revenue 68.6% $ Adjustments FN (505) (1) $ (464) (1) (684) (1) (53,453) (2) 55,106 (3) (2,146) (1) (1) (4,580) (3,978) (1) (54,156) (2) (4) (2,846) 122,812 (5) (8,283) (6) 1,485 (7) 113,044 (8) 0.42 (8) $ Non-GAAP 123,224 30,489 49,637 626,771 107,925 154,107 67,570 275,208 33,303 204,534 0.75 Non-GAAP % of Total Revenue 75.2% Open Text Confidential. ©2021 All Rights Reserved. 42

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