OpenText Investor Presentation Deck

Organic Growth In US$ billions (unless indicated otherwise) Total Revenues Less: Revenues from acquisitions (2) Organic revenues Growth (decline) in organic revenues over prior year(³) Annual Recurring Revenues Less: Revenues from acquisitions (2) Organic revenues Growth (decline) in organic revenues over prior year(³) Cloud Revenues Less: Revenues from acquisitions (2) Organic revenues Growth (decline) in organic revenues over prior year(³) Customer Support Revenues Less: Revenues from acquisitions (²) Organic revenues Growth (decline) in organic revenues over prior year(³) 1. Constant currency is defined as the current period reported revenues represented at the prior comparative period's foreign exchange rate. 2. Revenues from acquisitions refers to those revenues recognized during Fiscal 2021 from acquired businesses within one year of acquisition date. 3. Organic revenue growth is calculated by removing the revenue contribution from newly acquired companies for the first year post acquisition. opentext™ Reported $3.39 $0.26 $3.13 0.5% $2.74 $0.24 $2.50 2.7% $1.41 $0.21 $1.20 3.2% $1.33 $0.03 $1.30 2.3% Fiscal 2021 FX Headwind / (Tailwind) ($0.08) ($0.05) ($0.02) ($0.04) CC (1) $3.30 $0.26 $3.05 (2.1)% $2.69 $0.24 $2.45 0.5% $1.39 $0.21 $1.18 1.8% $1.30 $0.03 $1.27 (0.6)% OpenText ©2021 All rights reserved 42

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