PREMIER1 LITHIUM LIMITED — Director's Dealing 2026

May 7, 2026

ASX: PLC

ASX Announcement

8 May 2026

PREMIER

The Manager

ASX Market Announcements

Australian Securities Exchange

Dear Sir/Madam,

APPENDIX 3Y CHANGE OF DIRECTORS INTEREST NOTICE

Due to an administrative oversight, Appendix 3Ys for Mr Simon Phillips were not lodged in relation to an off-market transfer of shares to shareholders that were unable to participate in the November 2025 top-up placement and for the participation of an indirect interest in the February 2026 placement.

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

Mr Simon Phillips confirms that there has been no movement since 6 February 2026.

The Company advise that:

• This announcement was lodged with ASX as soon as practicable, including obtaining relevant approvals, 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

Premier1 Lithium

Level 2, 22 Mount Street, Perth WA 6000, Australia

info@premier1lithium.com.au | + 61 8 6188 8181

premier1lithium.com.au

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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	Simon Phillips
Date of last notice	7 November 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.	A. BENZAI PTY LTD
(director & shareholder)
B. AITAKU2 PTY LTD
(director & beneficiary)
C. MS MITSUE TAKEZAWA
(spouse)
Date of change	B. 19 November 2025 & 28 November 2025
C. 6 February 2026

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

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Appendix 3Y

Change of Director's Interest Notice

| No. of securities held prior to change | A. 6,436,264 Fully Paid Ordinary Shares
2,068,132 Listed Options exercisable at $0.015 and expiring 06-Nov-2028
B. 24,000,000 Fully Paid Ordinary Shares
8,500,000 Listed Options exercisable at $0.015 and expiring 06-Nov-2028
C. Nil |
| --- | --- |
| Class | Fully Paid Ordinary Shares |
| Number acquired | C. 1,000,000 Fully Paid Ordinary Shares |
| Number disposed | B. 2,500,000 Fully Paid Ordinary Shares |
| Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation | B. $16,250
C. $6,000 |
| No. of securities held after change | A. 6,436,264 Fully Paid Ordinary Shares
2,068,132 Listed Options exercisable at $0.015 and expiring 06-Nov-2028
B. 21,500,000 Fully Paid Ordinary Shares
8,500,000 Listed Options exercisable at $0.015 and expiring 06-Nov-2028
C. 1,000,000 Fully Paid Ordinary Shares |
| Nature of change
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back | B. Off-market transfer to shareholders unable to participate in the November 2025 top-up placement
C. Participation in Placement |

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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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