L1 GROUP LIMITED — Director's Dealing 2025

Sep 30, 2025

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1 October 2025

The Manager ASX Market Announcements ASX Limited Sydney NSW 2000

By e-Lodgement

Platinum Asset Management Limited (ASX: PTM) Appendix 3X – Initial Director’s Interest Notice, Neil Chatfield

Attached is an Appendix 3X Initial Director’s interest notice for Neil Chatfield.

Authorised by

Joanne Jefferies I Company Secretary

Investor contact Andrew Stannard | Finance Director Platinum Asset Management Limited Tel: 61 2 9255 7500 Fax: 61 2 9254 5555

Level 8, 7 Macquarie Place, Sydney NSW 2000, Australia | GPO Box 2724, Sydney NSW 2001 Telephone 61 2 9255 7500 | Investor Services 1300 726 700 | Facsimile 61 2 9254 5590 | Email invest@platinum.com.au | Website www.platinum.com.au Platinum Asset Management Limited ABN 13 050 064 287

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 Platinum Asset Management Limited ABN 13 050 064 287

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	Neil Chatfield
Date of appointment	1 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

Nil

• 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 Nil Note: Provide details of the circumstances giving rise to the relevant interest. 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 (if issued securities)	Nil
No. and class of securities to which interest relates	Nil

• See chapter 19 for defined terms.

Appendix 3X Page 2

11/3/2002