PREMIER1 LITHIUM LIMITED — Director's Dealing 2025

Dec 18, 2025

ASX: PLC

ASX Announcement

19 December 2025

==> picture [143 x 65] intentionally omitted <==

The Manager

ASX Market Announcements

Australian Securities Exchange

Dear Sir/Madam,

APPENDIX 3Y CHANGE OF DIRECTORS INTEREST NOTICE

The Company refers to the Appendix 2A that was lodged on 6 November 2025 for the Renounceable Entitlement Offer. Due to an administrative oversight, the Appendix 3Y for Mr Jason Froud was not lodged for his participation in the renounceable entitlement offer.

The attached Appendix 3Y has been updated to include the relevant interests in the securities held by Mr Jason Froud.

Mr Jason Froud confirms that there has been no movement since 6 November 2025.

The Company advise that:

• This announcement was lodged with ASX as soon as practicable upon the Company becoming aware of the oversight described above;

• The Company and the Director are aware of their obligations under ASX Listing Rules 3.19A and 3.19B; and

• The Company considers that its current practices are adequate to ensure compliance with the relevant ASX Listing Rules.

This announcement has been authorised by the Joint Company Secretary, Simon Acomb.

Yours faithfully,

Simon Acomb Joint Company Secretary

==> picture [595 x 72] intentionally omitted <==

----- Start of picture text ----- Premier1 LithiumLevel 2, 22 Mount Street, Perth WA 6000, Australiainfo@premier1lithium.com | + 61 8 6188 8181premier1lithium.com.au----- End of picture text -----

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	Premier1 Lithium Limited
ABN	16 637 198 531

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	Jason Froud
Date of last notice	24 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
Nature of indirect interest(including registered holder)Note: Provide details of the circumstances giving rise to the relevantinterest.	JF & LS Pty Ltd ATF JF & LS Super Fund(director & beneficiary)Arc Geoscience Pty Ltd(director&shareholder)
Date of change	6 November 2025
No. of securities held prior to change	2,500,100 Fully Paid Ordinary Shares833,369 Unlisted Options exercisable at$0.016 (expiring 24/12/2027)3,500,000 Unlisted Options exercisable at$0.045 (expiring 1/06/2027)5,500,000 Performance Rights (expiring1/06/2027)
Class	a) Fully paid ordinary sharesb) Listed options exercisable at $0.015(expiring 6/11/2028)
Number acquired	a) 4,000,000b) 2,000,000

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Number disposed	Nil
Value/ConsiderationNote: If consideration is non-cash, provide details and estimatedvaluation	a) $20,000b) nil
No. of securities held after change	6,500,100 Fully Paid Ordinary Shares833,369 Unlisted Options exercisable at$0.016 (expiring 24/12/2027)3,500,000 Unlisted Options exercisable at$0.045 (expiring 1/06/2027)5,500,000 Performance Rights (expiring1/06/2027)2,000,000 Listed Options exercisable at$0.015 (expiring 6/11/2028)
Nature of changeExample: on-market trade, off-market trade, exercise of options,issue of securities under dividend reinvestment plan, participation inbuy-back	Participation in renounceable entitlementoffer.

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 whichinterest related prior to changeNote: Details are only required for a contract inrelation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/ConsiderationNote: If consideration is non-cash, provide detailsand an estimated valuation	N/A
Interest after change	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Part 3 –[+] Closed period

Part 3 –+Closed period
Were the interests in the securities or contracts detailedabove traded during a+closed period where prior writtenclearance was required?	No
If so, was prior written clearance provided to allow the tradeto proceed during this period?	N/A
If prior written clearance was provided, on what date was thisprovided?	N/A

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3