OpenText Investor Presentation Deck

Reconciliation of Adjusted EBITDA and Free Cash Flows (In '000's U.S. dollars) GAAP-based net income (loss), attributable to OpenText Add: Provision for income taxes Interest and other related expense, net Amortization of acquired technology-based intangible assets Amortization of acquired customer-based intangible assets Depreciation Share-based compensation Special charges (recoveries) Other (income) expense, net Adjusted EBITDA Total revenue GAAP-based net income margin Adjusted EBITDA margin (% of total revenue) (In '000's U.S. dollars) GAAP-based cash flows provided by operating activities Add: Capital expenditures (1) Free cash flows (1) Defined as "Additions of property and equipment" in the Consolidated Statements of Cash Flows. opentext™ $ (A GA $ Q1 FY¹23 (116,929) $ 33,625 40,382 42,637 54,438 23,174 23,208 14,281 189,231 304,047 852,036 (13.7)% 35.7% Q1 FY'23 $ 131,959 $ (36,324) 95,635 $ Q1 FY'22 131,915 43,450 37,055 53,167 51,884 21,386 13,934 344 (29,782) 323,353 832,308 15.8 % 38.9% Q1 FY'22 189,669 (26,712) 162,957 OpenText ©2022 All rights reserved 41

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