OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | Q3 FY'22 Three Months Ended March 31, 2022 (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 Open Text GAAP-based earnings per share / Non-GAAP-based earnings per share- diluted, attributable to OpenText opentext™ GA GAAP 136,020 31,763 56,693 46,564 608,047 117,730 180,955 88,137 56,215 11,031 131,609 24,392 41,041 74,681 0.28 GAAP % of Total Revenue 68.9% Adjustments FN EA (1,268) (1) $ (501) (1) (1) (907) (46,564) (2) 49,240 (3) (4,350) (1) (5,761) (1) (3,961) (1) (56,215) (2) (11,031) (4) 130,558 (5) (6) (7) (8) (24,392) (9,971) 116,137 Non-GAAP 0.42 (8) $ 134,752 31,262 55,786 657,287 113,380 175,194 84,176 262,167 31,070 190,818 0.70 Non-GAAP % of Total Revenue 74.5% OpenText ©2022 All rights reserved 46

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