ORBMINCO LIMITED — Capital/Financing Update 2025

Apr 7, 2025

Appendix 3B - Proposed issue of securities

==> picture [21 x 22] intentionally omitted <==

Update Summary Entity name ORBMINCO LIMITED Announcement Type Update to previous announcement Date of this announcement 8/4/2025 Reason for update to a previous announcement Extension of Closing Date for Entitlement Offer Refer to next page for full details of the announcement

Appendix 3B - Proposed issue of securities

1 / 6

Appendix 3B - Proposed issue of securities

==> picture [21 x 22] intentionally omitted <==

Part 1 - Entity and announcement details

1.1 Name of +Entity

ORBMINCO LIMITED

We (the entity named above) give ASX the following information about a proposed issue of +securities and, if ASX agrees to +quote any of the +securities (including any rights) on a +deferred settlement basis, we agree to the matters set out in Appendix 3B of the ASX Listing Rules.

If the +securities are being offered under a +disclosure document or +PDS and are intended to be quoted on ASX, we also apply for quotation of all of the +securities that may be issued under the +disclosure document or +PDS on the terms set out in Appendix 2A of the ASX Listing Rules (on the understanding that once the final number of +securities issued under the +disclosure document or +PDS is known, in accordance with Listing Rule 3.10.3C, we will complete and lodge with ASX an Appendix 2A online form notifying ASX of their issue and applying for their quotation).

1.2 Registered Number Type

ACN

Registration Number

073155781

1.3 ASX issuer code

OB1

1.4 The announcement is

Update/amendment to previous announcement

1.4a Reason for update to a previous announcement

Extension of Closing Date for Entitlement Offer

1.4b Date of previous announcement to this update

11/3/2025

1.5 Date of this announcement

8/4/2025

1.6 The Proposed issue is:

A standard +pro rata issue (non-renounceable or renounceable)

1.6a The proposed standard +pro rata issue is:

• Non-renounceable

Appendix 3B - Proposed issue of securities

2 / 6

Appendix 3B - Proposed issue of securities

==> picture [21 x 22] intentionally omitted <==

Part 3 - Details of proposed entitlement offer issue

Part 3A - Conditions

3A.1 Do any external approvals need to be obtained or other conditions satisfied before the entitlement offer can proceed on an unconditional basis? No

Part 3B - Offer details

+Class or classes of +securities that will participate in the proposed issue and +class or classes of +securities proposed to be issued

ASX +security code and description

OB1 : ORDINARY FULLY PAID

Is the proposed security a 'New class' (+securities in a class that is not yet quoted or recorded by ASX) or an 'Existing class' (additional securities in a class that is already quoted or recorded by ASX)? Existing class

Will the proposed issue of this If the entity has quoted company +security include an offer of options, do the terms entitle option attaching +securities? holders to participate on exercise? No Yes

Details of +securities proposed to be issued

ASX +security code and description

OB1 : ORDINARY FULLY PAID

ISIN Code (if Issuer is a foreign company and +securities do not have +CDIs issued over them)

ISIN Code for the entitlement or right to participate in a non-renounceable issue (if Issuer is foreign company and +securities do not have +CDIs issued over them)

Offer ratio (ratio to existing holdings at which the proposed +securities will be issued) The quantity of additional +securities For a given quantity of +securities to be issued held

1 2

Appendix 3B - Proposed issue of securities

3 / 6

Appendix 3B - Proposed issue of securities

==> picture [21 x 22] intentionally omitted <==

What will be done with fractional Maximum number of +securities entitlements? proposed to be issued (subject to rounding) Fractions rounded up to the next 1,083,295,041 whole number Offer price details for retail security holders In what currency will the offer be What is the offer price per +security made? for the retail offer? AUD - Australian Dollar AUD 0.00100 Oversubscription & Scale back details Will individual +security holders be permitted to apply for more than their entitlement (i.e. to over-subscribe)? Yes Describe the limits on over-subscription To be set out in the Company's Offer Booklet Will a scale back be applied if the offer is over-subscribed? Yes Describe the scale back arrangements At the discretion of the Board subject to all applicable laws Will these +securities rank equally in all respects from their issue date with the existing issued +securities in that class? Yes

Details of company options where holders entitled to participate in the offer

ASX +security code and description OB1O : OPTION EXPIRING 31-JUL-2026 Date Option must be exercised by 13/3/2025

Part 3C - Timetable

3C.1 +Record date 14/3/2025 3C.2 Ex date 13/3/2025

Appendix 3B - Proposed issue of securities

4 / 6

Appendix 3B - Proposed issue of securities

==> picture [21 x 22] intentionally omitted <==

3C.4 Record date

14/3/2025 3C.5 Date on which offer documents will be sent to +security holders entitled to participate in the +pro rata issue

19/3/2025

3C.6 Offer closing date

24/4/2025

3C.7 Last day to extend the offer closing date

17/4/2025

3C.9 Trading in new +securities commences on a deferred settlement basis

28/4/2025

3C.11 +Issue date and last day for entity to announce results of +pro rata issue

1/5/2025

3C.12 Date trading starts on a normal T+2 basis

2/5/2025

3C.13 First settlement date of trades conducted on a +deferred settlement basis and on a normal T+2 basis

6/5/2025

Part 3E - Fees and expenses

3E.1 Will there be a lead manager or broker to the proposed offer? No

3E.2 Is the proposed offer to be underwritten? No

3E.3 Will brokers who lodge acceptances or renunciations on behalf of eligible +security holders be paid a handling fee or commission? No 3E.4 Details of any other material fees or costs to be incurred by the entity in connection with the proposed offer Not applicable

Part 3F - Further Information

3F.1 The purpose(s) for which the entity intends to use the cash raised by the proposed issue

Exploration program at Bronze Fox Project

3F.2 Will holdings on different registers or subregisters be aggregated for the purposes of determining entitlements to the issue? No

Appendix 3B - Proposed issue of securities

5 / 6

Appendix 3B - Proposed issue of securities

==> picture [21 x 22] intentionally omitted <==

3F.3 Will the entity be changing its dividend/distribution policy if the proposed issue is successful? No 3F.4 Countries in which the entity has +security holders who will not be eligible to participate in the proposed issue

Details to be set out in Offer Booklet

3F.5 Will the offer be made to eligible beneficiaries on whose behalf eligible nominees or custodians hold existing +securities No 3F.6 URL on the entity's website where investors can download information about the proposed issue

www.orbminco.com.au

3F.7 Any other information the entity wishes to provide about the proposed issue

Not applicable

3F.8 Will the offer of rights under the rights issue be made under a +disclosure document or product disclosure statement under Chapter 6D or Part 7.9 of the Corporations Act (as applicable)? Yes

3F.9 Any on-sale of the +securities proposed to be issued within 12 months of their date of issue will comply with the secondary sale provisions in sections 707(3) and 1012C(6) of the Corporations Act by virtue of: The publication of a cleansing notice under section 708A(5), 708AA(2)(f), 1012DA(5) or 1012DAA(2)(f)

Appendix 3B - Proposed issue of securities

6 / 6