FRONTIER ENERGY LIMITED — Director's Dealing 2026

Jan 18, 2026

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: Frontier Energy Limited ABN: 139 522 553

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	Grant Davey
Date of last notice	30 December 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	1. Davey Holdings (Aus) Pty Ltd A/C> 2. Davey Management (Aus) Pty Ltd Family Super Fund A/C>
Date of change	19 January 2026
No. of securities held prior to change	52,552,220 fully paid ordinary shares Options: 2,077,000 long-term KPI options at nil exercise price, expiring 31/12/27; 303,000 short-term KPI options at nil exercise price, expiring 31/12/26; 454,000 long-term KPI options at nil exercise price, expiring 31/12/28; 1,344,000 short-term KPI options at nil exercise price, expiring 31/12/27; and 2,687,000 long-term KPI options at nil exercise price, expiring 31/12/29.
Class	Fully paid ordinary shares Unquoted options

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Legal/78082769_2

Appendix 3Y Change of Director’s Interest Notice

Number acquired	16,000,000 Shares 8,000,000 Unquoted options (attaching options)
Number disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	$4,000,000
No. of securities held after change	Shares: 68,552,220 fully paid ordinary shares Options: 2,077,000 long-term KPI options at nil exercise price, expiring 31/12/27; 303,000 short-term KPI options at nil exercise price, expiring 31/12/26; 454,000 long-term KPI options at nil exercise price, expiring 31/12/28; 1,344,000 short-term KPI options at nil exercise price, expiring 31/12/27; and 2,687,000 long-term KPI options at nil exercise price, expiring 31/12/29; and 8,000,000 options (attaching options), exercisable at $0.40, expiring 19 January 2028.
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back	Issue of securities as approved by shareholders at a general meeting held on 19 January 2026.

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

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

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

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

Legal/78082769_2