MARIMACA COPPER CORP. — Share Issue/Capital Change 2026

May 7, 2026

Appendix 4A - Statement of CDIs on issue

Part 1 - Entity and announcement details

1.1 Name of +Entity
MARIMACA COPPER CORP.

1.2 Registered Number Type
ARBN

Registration Number
683017094

1.3 ASX issuer code
MC2

1.4 The announcement is
New announcement

1.5 Date of this announcement
8/5/2026

Appendix 4A - Statement of CDIs on issue
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Appendix 4A - Statement of CDIs on issue

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

2.1 Statement for month and year

April-2026

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

ASX Security Code and Description	+CDI Ratio
MC2 : CHESS DEPOSITARY INTERESTS 1:1	1:1
Total number of +CDIs issued over quoted +securities at end of statement month (A):	Total number of +CDIs issued over quoted +securities at end of previous month (B):
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45,042,725	47,844,616

Reason for change:

Net transfers of securities between CDIs and Common share

as quoted / held on	TSX

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

MC2AA : COMMON SHARES

Total number of +securities at end of statement month (A)	Total number of +securities at end of previous month (B)	Net Difference (A-B)
89,733,174	85,976,362	3,756,812

Reason for change:

Transfer of securities between CDIs and common shares and issue of shares following RSU and option exercises.

ASX Security Code and Description

MC2AE : OPTION EXPIRING 06-MAY-2026 EX CAD 5.00

Total number of +securities at end of statement month (A)	Total number of +securities at end of previous month (B)	Net Difference (A-B)
560,000	1,855,000	-1,295,000

Reason for change:

Exercise of 1,295,000 options via the Company's cashless exercise facility pursuant to the Stock Options Plan, leading to the issue of 545,562 common shares and the cancellation of 749,438 options.

ASX Security Code and Description

MC2AG : OPTION EXPIRING 23-DEC-2026 EX CAD 3.69

Total number of +securities at end of statement month (A)	Total number of +securities at end of previous month (B)	Net Difference (A-B)
820,000	820,000	0

Appendix 4A - Statement of CDIs on issue

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Appendix 4A - Statement of CDIs on issue

ASX Security Code and Description

MC2AH : OPTION EXPIRING 19-MAY-2028 EX CAD 4.00

Total number of +securities at end of statement month (A)	Total number of +securities at end of previous month (B)	Net Difference (A-B)
425,000	425,000	0

ASX Security Code and Description

MC2AI : OPTION EXPIRING 14-NOV-2028 EX CAD 3.40

Total number of +securities at end of statement month (A)	Total number of +securities at end of previous month (B)	Net Difference (A-B)
200,000	200,000	0

ASX Security Code and Description

MC2AL : RESTRICTED SHARE UNITS

Total number of +securities at end of statement month (A)	Total number of +securities at end of previous month (B)	Net Difference (A-B)
3,245,126	3,694,484	-449,358

Reason for change:

Exercise and cancellation of of RSUs.

ASX Security Code and Description

MC2AM : OPTION EXPIRING 30-MAR-2031 EX CAD 7.93

Total number of +securities at end of statement month (A)	Total number of +securities at end of previous month (B)	Net Difference (A-B)
100,000	100,000	0

Appendix 4A - Statement of CDIs on issue