6K ADDITIVE, INC. — Director's Dealing 2025

Dec 3, 2025

Appendix 3X Initial Director’s Interest Notice

Rule 3.19A.1

Appendix 3X

Initial 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 30/9/2001.

Name of entity: 6K Additive Inc ARBN: 692 243 646

We (the entity) give ASX the following information under listing rule 3.19A.1 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	James David Walker
Date of appointment	13 October 2025

Part 1 - Director’s relevant interests in securities of which the director is the registered holder

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.

Number & class of securities

32,242 options over shares of common stock at A$1.00 each, vesting monthly in equal portions over 36 months starting from the date of completion of the offer being 2 December 2025 and which are subject to mandatory ASX escrow until the end of 24 months from the date of quotation being 4 December 2025.

50,000 Chess Depositary Interests in 6K Additive, Inc.

• See chapter 19 for defined terms.

11/3/2002

Appendix 3X Page 1

Appendix 3X Initial Director’s Interest Notice

Part 2 – Director’s relevant interests in securities of which the director is not the registered holder

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Name of holder & nature of Number & class of Securities interest Note: Provide details of the circumstances giving rise to the relevant interest. Nil Nil

Part 3 – Director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	Nil
Nature of interest	Nil
Name of registered holder	Nil
(if issued securities)
No. and class of securities to which	Nil
interest relates

• See chapter 19 for defined terms.

Appendix 3X Page 2

11/3/2002