GATEWAY MINING LIMITED — Director's Dealing 2025

Aug 25, 2025

Appendix 3Y Change of Director’s Interest Notice

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 GATEWAY MINING LIMITED ABN 31 008 402 391

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	Peter Langworthy
Date of last notice	18 December 2024

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 interest
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	Jericho Exploration Pty Ltd ATF The Langworthy Family Trust (Director) Peter Langworthy and Carolyn Langworthy (Joint Holder) Peter Langworthy and Carolyn Langworthy ATF Langworthy Super Fund (Trustee) Omni GeoX Pty Ltd (Director) Crest Investment Group Limited (Director)
Date of change	25 August 2025 and 26 August 2025
No. of securities held prior to change	(a) 30,663,393 Ordinary Shares; (b) 3,272,727 quoted options with exercise price $0.033 and expiring 15 December 2026; (c) 376,344 unquoted options with exercise price $0.124 and expiring 31 March 2026.
Class	Convertible Preference Shares and Fully Paid OrdinaryShares

• See chapter 19 for defined terms.

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Appendix 3Y Change of Director’s Interest Notice

Number acquired	7,768,441 Gateway Convertible Preference Shares (Gateway CP Shares) issued on 25 August 2025 and subsequently converted to 7,768,441 fully paid Ordinary Shares on 26 August 2026.
Number disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Nil, Convertible Preference Shares were issued free to Omni GeoX an entity associated with Peter Langworthy which is a shareholder of Strickland Metals Limited (ASX:STK) as part of an in-specie distribution of Gateway CP Shares (In- specie Distribution) conducted by Strickland which completed on 25 August 2025. Per the terms of the Gateway CP Shares, the Gateway CP Shares automatically convert into fully paid Gateway shares on the business day after completion of the In-specie Distribution.
No. of securities held after change	(a) 38,431,834 Ordinary Shares; (b) 3,272,727 quoted options with exercise price $0.033 and expiring 15 December 2026; (c) 376,344 unquoted options with exercise price $0.124 and expiring 31 March 2026.
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back	Gateway CP Shares issued as part of In- specie Distribution and subsequently converted into fully paid ordinary shares in Gateway pursuant to the terms of the Gateway CP Shares (Shareholder approval to issue the shares to an entity related to Peter Langworthy was obtained on 18 August 2025).

Part 2 – Change of 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	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Date of change	N/A
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 –[+] Closed period

Were the interests in the securities or contracts detailed above traded during a+closed period where prior written clearance was required?	No
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3

Appendix 3Y Change of Director’s Interest Notice

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 GATEWAY MINING LIMITED ABN 31 008 402 391

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	Trent Franklin
Date of last notice	18 December 2024

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 interest
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	Accrecap Pty Ltd (Director) Enable Investment Manager Pty Ltd (Director) Stashcap Pty Ltd (Director) Penklin Pty Ltd (Director)
Date of change	25 August 2025 and 26 August 2025
No. of securities held prior to change	(a) 18,904,234 Ordinary Shares; (b) 2,727,273 quoted options with exercise price $0.033 and expiring 15 December 2026; and 537,635 unquoted options with exercise price $0.124 and expiring 31 March 2026.

• See chapter 19 for defined terms.

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Appendix 3Y Change of Director’s Interest Notice

Class	Convertible Preference Shares and Fully Paid OrdinaryShares
Number acquired	33,707,604 Gateway Convertible Preference Shares (Gateway CP Shares) issued on 25 August 2025 and subsequently converted to 33,707,604 fully paid Ordinary Shares on 26 August 2026.
Number disposed	N/A.
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Nil, Convertible Preference Shares were issued free to entities associated with Trent Franklin which are shareholders of Strickland Metals Limited (ASX:STK) as part of an in- specie distribution of Gateway CP Shares (In- specie Distribution) conducted by Strickland which completed on 25 August 2025. Per the terms of the Gateway CP Shares, the Gateway CP Shares automatically convert into fully paid Gateway shares on the business day after completion of the In-specie Distribution.
No. of securities held after change	(a) 52,611,838 Ordinary Shares; (b) 2,727,273 quoted options with exercise price $0.033 and expiring 15 December 2026; and (c) 537,635 unquoted options with exercise price $0.124 and expiring 31 March 2026.
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back	Gateway CP Shares issued as part of In-specie Distribution and subsequently converted into fully paid ordinary shares in Gateway pursuant to the terms of the Gateway CP Shares (Shareholder approval to issue the shares to entities related to Trent Franklin was obtained on 18 August 2025).

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Part 2 – Change of 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	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 –[+] Closed period

Were the interests in the securities or contracts detailed above traded during a+closed period where prior written clearance was required?	No
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3