Announcement PDF Appendix 3C - Notification of buy-back Appendix 3C - Notification of buy-back 1 / 5 Announcement Summary Name of entity CYNATA THERAPEUTICS LIMITED Announcement type New announcement Date of this announcement 20/10/2026 ASX Security code and description of the class of +securities the subject of the buy-back CYP : ORDINARY FULLY PAID The type of buy-back is: Refer to next page for full details of the announcement Selective buy-back Appendix 3C - Notification of buy-back Appendix 3C - Notification of buy-back 2 / 5 Part 1 - Entity and announcement details 1.1 Name of entity CYNATA THERAPEUTICS LIMITED We (the entity named above) provide the following information about our buy-back. 1.2 Registration number type ACN Registration number 104037372 1.3 ASX issuer code CYP 1.4 The announcement is 1.5 Date of this announcement 20/10/2026 1.6 ASX Security code and description of the class of +securities the subject of the buy-back CYP : ORDINARY FULLY PAID New announcement Appendix 3C - Notification of buy-back Appendix 3C - Notification of buy-back 3 / 5 Part 2 - Type of buy-back 2.1 The type of buy-back is: Selective buy-back Appendix 3C - Notification of buy-back Appendix 3C - Notification of buy-back 4 / 5 Part 3 - Buy-back details Part 3A - Details of +securities, price and reason 3A.1 Total number of +securities on issue in the class of +securities to be bought back 243,454,369 3A.2 Total number of +securities proposed to be bought back 7,200,000 3A.3 Name of person or description of class of persons whose +securities are proposed to be bought back Acuity Capital Investment Management Pty Ltd <Acuity Capital Holdings Account> 3A.9 Are the +securities being bought back for a cash consideration? 3A.9b Please describe the consideration being provided to buy back the +securities Nil consideration pursuant to the buy-back agreement. Part 3B - Buy-back restrictions and conditions 3B.1 Does the buy-back require security holder approval? 3B.1a Type of security holder approval required 3B.1b Anticipated date of security holder meeting to approve the buy-back 25/11/2026 3B.2 Are there any restrictions on foreign participation in the buy-back 3B.3 Are there any other conditions that need to be satisfied before the buy-back offer becomes unconditional? No No Special resolution Yes No Appendix 3C - Notification of buy-back Appendix 3C - Notification of buy-back 5 / 5 Part 3C - Key dates Employee Share Scheme, Selective and Other Buy-Backs 3C.1 Anticipated date buy-back will occur 2/12/2026 Part 3D - Other Information 3D.1 Any other information the entity wishes to notify to ASX about the buy-back