OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | FY'21 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 230,506 58,862 93,200 112,128 1,158,170 194,141 280,297 118,954 109,919 (4,250) 416,826 8,134 310,303 37,899 0.14 Six Months Ended December 31, 2020 GAAP % of Total Revenue 69.8% Adjustments FN (1) (1) (1,979) (941) (1,183) (1) (112,128) (2) 116,231 (3) (1) (5,049) (9,014) (1) (8,096) (1) (109,919) (2) 4,250 (4) 244,059 (5) (8,134) (6) (228,515) (7) 464,440 (8) 1.70 (8) Non-GAAP $ 228,527 57,921 92,017 1,274,401 189,092 271,283 110,858 660,885 - 81,788 502,339 1.84 Non-GAAP % of Total Revenue 76.8% Open Text ©2022 All rights reserved 50

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