OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | FY'21 YTD Nine 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 354,235 89,815 143,521 165,581 1,729,835 304,212 438,984 190,502 164,075 (1,404) 569,222 16,417 342,121 129,389 0.47 GAAP % of Total Revenue 69.4% $ $ Adjustments FN (2,484) (1) $ (1,405) (1) (1,867) (1) (165,581) (2) 171,337 (1) (7,195) (13,594) (1) (1) (12,074) (164,075) 1,404 (2) (4) 366,871 (5) (16,417) (6) (227,030) 577,484 (8) 2.12 (8) $ Non-GAAP 351,751 88,410 141,654 1,901,172 297,017 425,390 178,428 936,093 115,091 706,873 2.59 Non-GAAP % of Total Revenue 76.3% Open Text Confidential. ©2021 All Rights Reserved. 44

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