DATA#3 LIMITED DISCLOSUREInsider Transactions (Form 3/4/5)

Change of Director's Interest Notice

Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity: Data#3 Limited ABN: 31 010 545 267 We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Bradley Dean Colledge Date of last notice 19/12/2025 Part 1 - Change of director’s relevant interests in securities In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part. Direct or indirect interest Indirect Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Ordinary shares issued to Mrs Lucille Colledge due to the vesting of Performance Rights (unquoted) issued under the Data#3 Limited Long Term Incentive Plan (LTIP) Date of change 4/9/2026 No. of securities held prior to change Direct interest in 274,019 shares. Direct interest in 39,314 performance rights. Indirect interest in 177,520 shares. Indirect interest in 65,238 performance rights. Class Ordinary Shares Number acquired 21,964 Number disposed For personal use only Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation Non-cash consideration. The ordinary shares were all acquired on vesting of Performance Rights (unquoted). The estimated valuation is based on the weighted average closing price of $9.61 over the five trading days before 24/8/26 (which was the deferred taxing point, when the Company confirmed the entitlement). This estimated valuation is $211,074.04 (being 21,964 ordinary shares at $9.61 per sh