Be a Climate Innovator

Reconciliation of Selected Non-GAAP Measures | FY'23 YTD Nine months ended March 31, 2023 GAAP % of (In '000's U.S. dollars, except per share data) COST OF REVENUES Cloud services and subscriptions GAAP Total Revenue Adjustments FN Non-GAAP Non-GAAP % of Total Revenue 423,771 (7,788) (1) 415,983 Customer support 123,010 (2,414) (1) 120,596 Professional service and other 186,390 Amortization of acquired technology-based intangible assets 146,139 (5,172) (1) (146,139) (2) 181,218 GAAP-based gross profit and gross margin (%) / Non-GAAP-based gross profit and gross margin (%) 2,104,379 70.3% 161,513 (3) 2,265,892 75.7% Operating expenses Research and development 430,629 (25,481) (1) 405,148 Sales and marketing 615,354 (28,243) (1) 587,111 General and administrative 282,724 (19,300) (1) 263,424 Amortization of acquired customer-based intangible assets 205,121 (205,121) (2) Special charges (recoveries) 98,937 (98,937) (4) GAAP-based income from operations / Non-GAAP-based income from operations 395,005 538,595 (5) 933,600 Other income (expense), net 59,824 (59,824) (6) Provision for income taxes 71,979 33,021 (7) 105,000 GAAP-based net income / Non-GAAP-based net income, attributable to OpenText 199,113 445,750 (8) 644,863 GAAP-based earnings per share / Non-GAAP-based earnings per share-diluted, attributable to OpenText 0.74 CA 1.65 (8) EA 2.39 opentext™ OpenText ©2023 All rights reserved 50

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