Capstone Copper Corp. — Share Issue/Capital Change 2024

Apr 2, 2024

Appendix 4A - Statement of CDIs on issue

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Part 1 - Entity and announcement details

1.1 Name of +Entity

CAPSTONE COPPER CORP.

1.2 Registered Number Type

ARBN

Registration Number 673751490

1.3 ASX issuer code

CSC

1.4 The announcement is

New announcement 1.5 Date of this announcement

3/4/2024

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Appendix 4A - Statement of CDIs on issue

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Part 2 - Details of +CDIs and other +securities on issue

2.1 Statement for month and year

March-2024

2.2a Number and class of all +CDIs issued over quoted +securities

ASX Security Code and Description +CDI Ratio CSC : CDI 1:1 FOREIGN EXEMPT TSX 1:1 Total number of +CDIs issued over Total number of +CDIs issued over Net Difference (A-B) quoted +securities at end of quoted +securities at end of previous 2,263,625 statement month (A): month (B): 2,303,635 40,010

Reason for change:

Common stock

Net transfers of securities between CDIs and

as quoted / held on

Toronto Stock Exchange

If the total number of +CDIs issued over quoted +securities at the end of the statement month, is greater than the total number of +CDIs issued over quoted +securities for which the entity has previously paid an initial listing fee or an additional listing fee under Table 1A and 1C of Guidance Note 15A, the entity hereby applies for +quotation of the relevant securities

and agrees to the matters set out in Appendix 2A of the ASX Listing Rules.

2.2b Number and class of all +securities on issue over which +CDIs have not been issued

ASX Security Code and Description

CSCAA : OPTION EXPIRING VARIOUS PRICES EX VARIOUS DATES

Total number of +securities at end of Total number of +securities at end of Net Difference (A-B) statement month (A) previous month (B) -335,805 4,085,563 4,421,368 Reason for change: 335,805 options exercised ASX Security Code and Description CSCAB : TREASURY SHARE UNITS Total number of +securities at end of Total number of +securities at end of Net Difference (A-B) statement month (A) previous month (B) 571,889 3,801,605 3,229,716 Reason for change: 739,405 share units granted 167,516 share units settled ASX Security Code and Description CSCAC : NON TREASURY SHARE UNITS Total number of +securities at end of Total number of +securities at end of Net Difference (A-B) statement month (A) previous month (B) 897,274 2,202,325 1,305,051

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Appendix 4A - Statement of CDIs on issue

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Reason for change:

1,501,646 non-treasury share units granted February 28, 2024 3,566 non-treasury share units cancelled February 29, 2024 467,230 non-treasury share units settled in March 2024 133,576 non-treasury share units cancelled in March 2024

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