GATEWAY MINING LIMITED — Share Issue/Capital Change 2025

Aug 18, 2025

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

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Announcement Summary

Entity name

GATEWAY MINING LIMITED

Date of this announcement

Tuesday August 19, 2025

The +securities the subject of this notification are:

+Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B that are not quoted, and 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	GML Convertible Preference Shares	1,500,000,000	19/08/2025
to be confirmed

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

GATEWAY MINING LIMITED

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 ACN 008402391

1.3 ASX issuer code

GML

1.4 The announcement is

New announcement

1.5 Date of this announcement

19/8/2025

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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:

+Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B that are not quoted, and are not intended to be quoted, on ASX

Previous Appendix 3B details:

Announcement Date and	Announcement Title	Selected Appendix 3B to submit quotation
Time		request
30-Jun-2025 09:31	New - Proposed issue of securities -	A placement or other type of issue
	GML

2.3a.2 Are there any further issues of +securities yet to take place to complete the transaction(s) referred to in the Appendix 3B?

No

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

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Part 3A - number and type of +securities the subject of this notification (existing class or new class) where issue has previously been notified to ASX in an Appendix 3B

Placement Details

ASX +security code and description new unquoted class of security Date the +securities the subject of this notification were issued 19/8/2025 Any other information the entity wishes to provide about the +securities the subject of this notification

Issue details

Number of +securities 1,500,000,000 Were the +securities issued for a cash consideration? No Please describe the consideration being provided for the +securities Issued as consideration for Gateway's acquisition of Strickland Metals Limited's Yandal Project

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

ASX +security code +Security description New class - code to be confirmed GML Convertible Preference Shares +Security type ISIN code Redeemable Preference shares/units Date the +securities the subject of this notification were issued

19/8/2025

Will all the +securities issued in this class rank equally in all respects from their issue date? Yes Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued. https://announcements.asx.com.au/asxpdf/20250718/pdf/06lxb26rkbv9n5.pdf Refer to Schedule 1.

Redeemable Preference shares/units Details

Type of +security

Preference share/unit

+Security currency AUD - Australian Dollar

Face value Dividend rate type AUD 0.00000100 Zero coupon/no dividend

Frequency of coupon/dividend payments per year

No coupon/dividend payments

s128F of the Income Tax Assessment Act status applicable to the +security

s128F exemption status unknown

Is the +security perpetual (i.e. no maturity)? Yes

Select other feature(s) applicable to the +security Convertible

Is there a first trigger date on which a right of conversion, redemption, call or put can be exercised (whichever is first)? No

Details of the existing class of +security that will be issued if the securities are converted, transformed or exchanged

GML : ORDINARY FULLY PAID

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

One GML fully paid ordinary share for every convertible preference share converted.

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Issue details

Number of +securities

1,500,000,000

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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)

	Total number of
ASX +security code and description	+securities on issue
GML : ORDINARY FULLY PAID	408,820,295
GMLO : OPTION EXPIRING 15-DEC-2026	72,558,083
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
GMLAD : PERFORMANCE RIGHTS EXPIRING 28-NOV-2025	1,250,000
GMLAAA : OPTION EXPIRING 31-MAR-2026 EX $0.124	16,940,902
New class - code to be confirmed : GML Convertible Preference Shares	1,500,000,000

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

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