SCHEDULE 13G/A 0001123778-24-000004 0001123778 XXXXXXXX LIVE 1 Common Shares 09/30/2024 0001002638 OPEN TEXT CORPORATION 683715106 275 Frank Tompa Drive Waterloo A6 N2L 0A1 Rule 13d-1(b) 1832 Asset Management L.P. A6 2658156 6300 2658156 6300 2664456 0.9978 FI MD Financial Management Inc. A6 201870 0 201870 0 201870 0.0756 FI Scotia McLeod, a division of Scotia Capital Inc. A6 613788 0 613788 0 613788 0.22986 FI Jarislowsky, Fraser Limited A8 16589561 0 16589561 0 16589561 6.21257 IA OPEN TEXT CORPORATION 275 Frank Tompa Drive, , Waterloo, ONTARIO, CANADA N2L 0A1 1832 Asset Management L.P. MD Financial Management Inc. Scotia McLeod, a division of Scotia Capital Inc. Jarislowsky, Fraser Limited Scotiabank North, 40 Temperance Street, 16th Floor, Toronto, Ontario, M5H 0B4, Canada 1870 Alta Vista Drive, Ottawa, Ontario, K1G 6R7, Canada 40 King St. West, Scotia Plaza, 52nd Floor, toronto, Ontario, M5W 2X6, Canada 1010 Sherbrooke St. West, 20th Floor, Montreal, Quebec, Canada, H3A 2R7 Canadian Canadian Canadian Canadian N FI IA Investment Adviser and Broker Dealer 20069675 7.51582 20063375 6300 20063375 6300 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to Investment Fund Manager and Portfolio Manager is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D. Exhibit 1 - Filing Joint Agreement Exhibit 2 - Power of Attorney 1832 Asset Management L.P. /s/ Kevin Brown 11/07/2024 MD Financial Management Inc. /s/ Kevin Brown 11/07/2024 Scotia McLeod, a division of Scotia Capital Inc. /s/ Kevin Brown 11/07/2024 Jarislowsky, Fraser Limited /s/ Kevin Brown 11/07/2024 After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.