MARIMACA COPPER CORP. — Share Issue/Capital Change 2026

Apr 7, 2026

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Announcement Summary

Entity name

MARIMACA COPPER CORP.

Date of this announcement

Wednesday April 08, 2026

The +securities the subject of this notification are:

+Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX

Total number of +securities to be issued/transferred

Total number of ASX +security +securities to be code Security description issued/transferred Issue date New class - code OPTION EXPIRING 30-MAR-2031 EX CAD 7.93 100,000 30/03/2026 to be confirmed

Refer to next page for full details of the announcement

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Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Part 1 - Entity and announcement details

1.1 Name of entity

MARIMACA COPPER CORP.

We (the entity named above) give notice of the issue, conversion or payment up of the following unquoted +securities.

1.2 Registered number type Registration number ARBN 683017094

1.3 ASX issuer code

MC2

1.4 The announcement is

New announcement

1.5 Date of this announcement

8/4/2026

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Part 2 - Issue details

2.1 The +securities the subject of this notification are:

+Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX

2.2a This notification is given in relation to an issue of +securities in a class which is not quoted on ASX and which:

does not have an existing ASX security code ("new class")

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Part 3C - number and type of +securities the subject of this notification (new class)

ASX +security code +Security description New class - code to be confirmed OPTION EXPIRING 30-MAR-2031 EX CAD 7.93 +Security type ISIN code Options

Date the +securities the subject of this notification were issued 30/3/2026

Will all the +securities issued in this class rank equally in all respects from their issue date? Yes

Were any of the +securities issued to +key management personnel (KMP) or an +associate? Yes

Provide details of the KMP or +associates being issued +securities.

Name of KMP	Name of registered holder	Number of +securities
Zenon Wozniak	Zenon Wozniak ATF Wozniack Family Trust	100,000

Have you received confirmation from ASX that the terms of the +securities are appropriate and equitable under listing rule 6.1? No Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued. https://cdn-api.markitdigital.com/apiman-gateway/ASX/asx-research/1.0/file/2924-02930686-6A1258047&v=undefined

Options Details

+Security currency CAD - Canadian Dollar

Exercise price Expiry date CAD 7.93000000 30/3/2031

Details of the existing class of +security that will be issued upon exercise or conversion of this new class of company option

MC2AA : COMMON SHARES

Please provide a URL link for a document lodged with ASX detailing the terms of the +employee incentive scheme or a summary of the terms https://cdn-api.markitdigital.com/apiman-gateway/ASX/asx-research/1.0/file/2924-02930686-6A1258047&v=undefined

Any other information the entity wishes to provide about the +securities the subject of this notification

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Issue details

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Number of +securities

100,000

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Part 4 - +Securities on issue

Following the issue, conversion or payment up of the +securities the subject of this notification, the +securities of the entity will comprise:

The figures in parts 4.1 and 4.2 below are automatically generated and may not reflect the entity's current issued capital if other Appendix 2A, Appendix 3G or Appendix 3H forms are currently with ASX for processing.

4.1 Quoted +securities (Total number of each +class of +securities issued and quoted on ASX)

4.1 Quoted +securities (Total number of each +class of +securities issued and quoted	on ASX)
	Total number of
ASX +security code and description	+securities on issue
MC2 : CHESS DEPOSITARY INTERESTS 1:1	49,392,405
4.2 Unquoted +securities (Total number of each +class of +securities issued but not quoted on ASX)
	Total number of
ASX +security code and description	+securities on issue
MC2AG : OPTION EXPIRING 23-DEC-2026 EX CAD 3.69	820,000
MC2AH : OPTION EXPIRING 19-MAY-2028 EX CAD 4.00	425,000
MC2AI : OPTION EXPIRING 14-NOV-2028 EX CAD 3.40	200,000
MC2AL : RESTRICTED SHARE UNITS	2,614,715
MC2AA : COMMON SHARES	84,326,969
MC2AD : OPTION EXPIRING 25-MAR-2026 EX CAD 4.60	200,000
MC2AE : OPTION EXPIRING 06-MAY-2026 EX CAD 5.00	1,855,000
New class - code to be confirmed : OPTION EXPIRING 30-MAR-2031 EX CAD 7.93	100,000

4.2 Unquoted +securities (Total number of each +class of +securities issued but not quoted on ASX)

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Part 5 - Other Listing Rule requirements

5.1 Were the +securities issued under an exception in Listing Rule 7.2 and therefore the issue did not need any security holder approval under Listing Rule 7.1? No

5.2 Has the entity obtained, or is it obtaining, +security holder approval for the issue under listing rule 7.1? No

5.2b Are any of the +securities being issued without +security holder approval using the entity's 15% placement capacity under listing rule 7.1? No

5.2c Are any of the +securities being issued without +security holder approval using the entity's additional 10% placement capacity under listing rule 7.1A (if applicable)? N/A

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