Be a Climate Innovator

Reconciliation of Selected Non-GAAP Measures | Q3 FY'23 Three Months Ended March 31, 2023 GAAP % of (In '000's U.S. dollars, except per share data) GAAP Total Revenue Adjustments FN Non-GAAP Non-GAAP % of Total Revenue COST OF REVENUES Cloud services and subscriptions 157,658 (2,943) (1) 154,715 Customer support 67,067 (1,157) (1) 65,910 Professional service and other 78,526 (1,884) (1) 76,642 Amortization of acquired technology-based intangible assets 62,639 (62,639) (2) GAAP-based gross profit and gross margin (%) / Non-GAAP-based gross profit and gross margin (%) 874,944 70.3% 68,623 (3) 943,567 75.8% Operating expenses Research and development 210,731 (10,801) (1) 199,930 Sales and marketing 271,013 (11,947) (1) 259,066 General and administrative 127,047 (7,636) (1) 119,411 Amortization of acquired customer-based intangible assets 97,237 (97,237) (2) Special charges (recoveries) 74,350 (74,350) (4) GAAP-based income from operations / Non-GAAP-based income from operations 63,989 Other income (expense), net 85,706 270,594 (5) (85,706) (6) 334,583 Provision for income taxes (12,420) 44,631 (7) 32,211 GAAP-based net income / Non-GAAP-based net income, attributable to OpenText 57,556 140,257 197,813 GAAP-based earnings per share / Non-GAAP-based earnings per share-diluted, attributable to OpenText 0.21 0.52 (8) 0.73 opentext™ OpenText ©2023 All rights reserved 48

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