FY'24 Medium-Term Aspirations

Reconciliation of Selected Non-GAAP Measures | FY'21 YTD Nine Months Ended March 31, 2021 (In '000's U.S. dollars, except per share data) GAAP % of GAAP Total Revenue Adjustments FN Non-GAAP Non-GAAP % of Total Revenue COST OF REVENUES Cloud services and subscriptions 354,235 (2,484) (1) 351,751 Customer support 89,815 (1,405) (1) Professional service and other 143,521 Amortization of acquired technology-based intangible assets 165,581 (1,867) (1) (165,581) (2) 88,410 141,654 GAAP-based gross profit and gross margin (%) / 1,729,835 69.4% Non-GAAP-based gross profit and gross margin (%) 171,337 (3) 1,901,172 76.3% Operating expenses Research and development 304,212 (7,195) (1) 297,017 Sales and marketing 438,984 (13,594) (1) 425,390 General and administrative 190,502 (12,074) (1) 178,428 Amortization of acquired customer-based intangible assets 164,075 (164,075) (2) Special charges (recoveries) (1,404) 1,404 (4) GAAP-based income from operations / Non-GAAP-based income from operations 569,222 366,871 (5) 936,093 Other income (expense), net 16,417 (16,417) (6) Provision for income taxes 342,121 (227,030) (7) 115,091 GAAP-based net income / Non-GAAP-based net income, attributable to OpenText 129,389 577,484 (8) 706,873 GAAP-based earnings per share / Non-GAAP-based earnings per share-diluted, attributable to OpenText $ 0.47 2.12 (8) 2.59 opentext™ OpenText ©2022 All rights reserved 52

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