CASTILE RESOURCES LTD — Major Shareholding Notification 2026

Mar 8, 2026

604 page 1/2 15 July 2001

Form 604

Corporations Act 2001 Section 671B

Notice of change of interests of substantial holder

To Company Name/Scheme

��������������������������������

ACN/ARSN

1. Details of substantial holder(1)

Name

ACN/ARSN (if applicable)

�������������������������������

There was a change in the interests of the substantial holder on 16 ���2������ / / The previous notice was given to the / / company on The previous notice was dated ������������ / /

2. Previous and present voting power

The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in when last required, and when now required, to give a substantial holding notice to the company or scheme, are as follows:

Class of securities (4)	Previous notice		Present notice
	Person's votes	Voting power (5)	Person's votes	Voting power (5)
��������������	����������	������	����������	��483�

3. Changes in relevant interests

Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company or scheme are as follows:

Date of		Person whose	Nature of	Consideration	Class and	Person's votes
change		relevant interest	change (6)	given in relation	number of	affected
		changed		to change (7)	securities
					affected
������������

4. Present relevant interests

Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows:

Present relevant interests	Present relevant interests	Present relevant interests	Present relevant interests	Present relevant interests
ticulars of each relevant interest of the substantial holder in voting securities after the change are as fHld fRitdP titldNt					ollows:
	Hld f	Ritd	P titld	Nt	f	Cl d	P' t
	oer orelevantinterest	egsereholder ofsecurities	erson eneto be registeredas holder (8)	aurerelevaninterest	ot(6)	ass annumber ofsecurities	ersons voes
	����������	��

604 page 2/2 15 July 2001

==> picture [452 x 724] intentionally omitted <==

----- Start of picture text ----- The persons who have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to votingName and ACN/ARSN (if applicable)(if applicable)if applicable)pplicable)licable)) Nature of association���Name Address������������������������������ �������������������������������������������������������print name ����������������� capacity �����������������������������������������sign here date �� / ���������� / ����DIRECTIONSIf there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of anequity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred tothroughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 6 of theSee the definition of "associate" in section 9 of the Corporations Act 2001.See the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001.The voting shares of a company constitute one class unless divided into separate classes.The person's votes divided by the total votes in the body corporate or scheme multiplied by 100.any relevant agreement or other circumstances because of which the change in relevant interest occurred. If subsection 671B(4) applies, a copy of anydocument setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme orarrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; andany qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities towhich the relevant interest relates (indicating clearly the particular securities to which the qualification applies).See the definition of "relevant agreement" in section 9 of the Corporations Act 2001.Details of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, becom`eentitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must beincluded of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whomthe relevant interest was acquired.If the substantial holder is unable to determine the identity of the person (eg. if the relevant interest arises because of an option) write "unknown".Give details, if appropriate, of the present association and any change in that association since the last substantial holding notice.----- End of picture text -----

5. Changes in association

The persons who have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to voting interests in the company or scheme are as follows:

==> picture [459 x 120] intentionally omitted <==

----- Start of picture text ----- Name and ACN/ARSN (if applicable)(if applicable)if applicable)pplicable)licable)) Nature of association���6. AddressesThe addresses of persons named in this form are as follows:Name Address������������������������������ �������������������������������������������������������----- End of picture text -----

Signature

• (1) If there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of an equity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred to throughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 6 of the form.

• (2) See the definition of "associate" in section 9 of the Corporations Act 2001.

• (3) See the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001.

• (4) The voting shares of a company constitute one class unless divided into separate classes.

• (5) The person's votes divided by the total votes in the body corporate or scheme multiplied by 100.

• (6) Include details of:

  • (a) any relevant agreement or other circumstances because of which the change in relevant interest occurred. If subsection 671B(4) applies, a copy of any document setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme or arrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; and

  • (b) any qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities to which the relevant interest relates (indicating clearly the particular securities to which the qualification applies).

  • See the definition of "relevant agreement" in section 9 of the Corporations Act 2001.

• (7) Details of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, becom`e entitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must be included of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired.

• (8) If the substantial holder is unable to determine the identity of the person (eg. if the relevant interest arises because of an option) write "unknown".

• (9) Give details, if appropriate, of the present association and any change in that association since the last substantial holding notice.

NOTICE OF CHANGE OF INTERESTS OF SUBSTANTIAL HOLDER

ANNEXURE 1

COMPANY: Castile Resources Ltd (ASX: CST)

HOLDER OF RELEVANT INTEREST: Kingdon Capital Management, LLC

CHANGES IN RELEVANT INTERESTS

Date ofChange12/12/2024Total Holdings	Nature ofChangePurchase	# of Shares& Votes Affected	Consideration given in Relation to ChangeAUS $0.65/share	ConsiderationPerson’s VotesGiven (in AUS $)Affected$350,000.045,384,616
		5,384,61620,953,612

The change in the substantial holder’s voting power by more than 1% is a result of the dilution from the issue of new shares by the Company. Other than as listed above, the substantial holder has not acquired or disposed of any securities since its last filing.

This Annexure 1 of 1 page referred to in Form 604 Notice of Change of Interests of Substantial Holder

Kingdon Capital Management, LLC

By: Richard Weinstein

COO & General Counsel

Capacity

March 6, 2026

Date