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Strong Cash Flows and Balance Sheet Current Liquidity (US$) Total Cash & Committed Liquidity (1) TTM Q3 FY'22 (US$M) Operating Cash Flows Less: CapEx Free Cash Flows (³) Less: Principal(4) Less: Dividends Less: Share Buyback Cash Generated for Corporate Purposes (5) opentext™ $2.38 B $1,026 $82 $944 $10 $233 $255 $446 Millions USD 2.3x 2.0x 11 Q3 FY'20 1000 800 600 400 200 0 Trended Consolidated Net Leverage Ratio (2) Zix Acquisition Closing 5. Corporate purposes may include acquisitions, debt repayment, share repurchases, or other initiatives. 6. Undrawn Revolving Credit Facility of $750m matures in October 2024 Q4 FY'20 1.8x Q1 FY¹21 10 10 10 CY'21 CY¹22 CY'23 1.6x Q2 FY¹21 933 1.6x Q3 FY'21 10 CY'24 CY'25 Term Loan B 1.5x Debt Maturity Profile (6) Q4 FY'21 CY'26 CY'27 Senior Notes 1.4x Q1 FY'22 900 850 1. Excludes restricted cash. Includes Cash and the Undrawn Revolver of $750m as of March 31, 2022. 2. Consolidated Net Leverage Ratio (pro forma) is calculated using bank covenant methodology. 3. Please refer to "Use of Non-GAAP Financial Measures" at the end of this presentation and "Reconciliation of selected GAAP-based measures to Non-GAAP-based measures" included within our current and historical filings on Forms 10-Q, 10-K and 8-K. 4. Excludes redemption of $850m Snr. Notes 2026 in Q2F22. As of March 31, 2022, we had no outstanding balance under the Revolver. 2.0x Q2 FY'22 900 1.9x Q3 FY'22 650 CY'28 CY'29 CY'30 CY'31 OpenText ©2022 All rights reserved 11

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