OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | FY'22 (In '000's U.S. dollars, 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 income taxes GAAP-based net income / Non-GAAP-based net income, attributable to OpenText GAAP-based earnings per share / Non-GAAP-based earnings per share-diluted, attributable to OpenText opentext™ GA GAAP 511,713 121,485 216,895 198,607 2,431,643 440,448 677,118 317,085 217,105 46,873 644,773 29,118 118,752 397,090 1.46 Year ended June 30, 2022 GAAP % of Total Revenue Adjustments 69.6% 69 (5,285) (1) (2,399) (1) (3,740) (1) (198,607) (2) 210,031 (3) FN (17,122) (1) (22,628) (1) (18,382) (1) (217,105) (2) (46,873) (4) 532,141 (5) (29,118) (6) 23,913 (7) (8) 479,110 1.76 (8) $ Non-GAAP 506,428 119,086 213,155 2,641,674 423,326 654,490 298,703 1,176,914 142,665 876,200 3.22 Non-GAAP % of Total Revenue 75.6% 49

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