MARIMACA COPPER CORP. — Share Issue/Capital Change 2025

Sep 23, 2025

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 September 24, 2025

The +securities the subject of this notification are:

Unquoted options that have been exercised or other unquoted +convertible securities that have been converted Total number of +securities to be issued/transferred

		Total number of
ASX +security		+securities to be
code	Security description	issued/transferred	Issue date
MC2AA	COMMON SHARES	200,000	17/09/2025

Refer to next page for full details of the announcement

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

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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

24/9/2025

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

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Part 2 - Issue details

2.1 The +securities the subject of this notification are:

Unquoted options that have been exercised or other unquoted +convertible securities that have been converted

2.2b The +securities being issued, transferred or re-classified as a result of the options being exercised or other +convertible securities being converted are:

in a class which is not quoted on ASX but which has an existing ASX security code ("existing class")

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

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Part 3B - number and type of +securities the subject of this notification (existing class) where issue has not previously been notified to ASX in an Appendix 3B

The right of the holder of the options or other +convertible securities to receive the +underlying securities is being	The right of the holder of the options or other +convertible securities to receive the +underlying securities is being	The right of the holder of the options or other +convertible securities to receive the +underlying securities is being
satisfied by:
An issue of new +securities
The underlying securities being received by the holder are:
Are not, and are not intended to be, quoted by ASX
Existing +securities converting into an existing class
FROM (Existing Class)
ASX +Security code and description
MC2AC : OPTION EXPIRING 25-SEP-2025 EX CAD 3.20
TO (Existing Class)
ASX +Security code and description
MC2AA : COMMON SHARES
Please state the number of options	The first date the options were	The last date the options were
that were exercised or other	exercised or other +convertible	exercised or other +convertible
+convertible securities that were	securities were converted	securities were converted
converted		17/9/2025
200,000
Is this all of the options or other +convertible securities on issue of that		type?
No
Were the options being exercised or other +convertible securities being		converted issued under an +employee
incentive scheme?
Yes
Are any of the options being exercised or other +convertible securities being converted held by +key management
personnel (KMP) or an +associate?
Yes
Provide details of the KMP or +associates who are exercising options or converting +convertible securities.
Name of KMP	Name of registered holder	Number of +securities
Timothy Petterson	Timothy Petterson	200,000

Date the +securities the subject of this notification were issued/transferred

17/9/2025

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

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

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

Issue details

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Number of +securities

200,000

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

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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)

	Total number of
ASX +security code and description	+securities on issue
MC2 : CHESS DEPOSITARY INTERESTS 1:1	21,168,363
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	870,000
MC2AH : OPTION EXPIRING 19-MAY-2028 EX CAD 4.00	425,000
MC2AI : OPTION EXPIRING 14-NOV-2028 EX CAD 3.40	200,000
MC2AK : WARRANTS EXPIRING 07-FEB-2026 EX CAD 5.85	3,362,500
MC2AL : RESTRICTED SHARE UNITS	2,418,716
MC2AA : COMMON SHARES	94,468,661
MC2AC : OPTION EXPIRING 25-SEP-2025 EX CAD 3.20	1,375,000
MC2AD : OPTION EXPIRING 25-MAR-2026 EX CAD 4.60	200,000
MC2AE : OPTION EXPIRING 06-MAY-2026 EX CAD 5.00	2,415,000
MC2AF : OPTION EXPIRING 18-OCT-2026 EX CAD 4.39	100,000

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

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