OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | FY'22 YTD (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 (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 241,908 59,151 104,766 105,769 1,189,803 203,787 310,178 142,990 104,549 9,561 375,573 4,745 82,716 220,213 0.81 Six Months Ended December 31, 2021 GAAP % of Total Revenue 69.6% Adjustments GA FN (1) (1,804) (1,130) (1) (1,368) (1) (105,769) (2) 110,071 (3) (5,586) (1) (9,616) (1) (8,839) (1) (104,549) (2) (9,561) (4) 248,222 (5) (4,745) (6) (6,207) (7) 249,684 (8) 0.91 (8) Non-GAAP 240,104 58,021 103,398 1,299,874 198,201 300,562 134,151 623,795 76,509 469,897 1.72 Non-GAAP % of Total Revenue 76.1% Open Text ©2022 All rights reserved 46

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