ORBMINCO LIMITED — Capital/Financing Update 2021

Oct 20, 2021

Woomera Mining Limited

==> picture [60 x 57] intentionally omitted <==

Suite 116, 147 Pirie Street Adelaide SA 5000 admin@WoomeraMining.com.au www.WoomeraMining.com.au

21 October 2021

ASX Announcement

DISPATCH OF RIGHTS OFFER DOCUMENTS AND RIGHTS OFFER NOW OPEN

Woomera Mining Limited (ASX: WML) ( Woomera or the Company ) is pleased to confirm the dispatch today of letters to shareholders providing details of how to access the Offer Booklet and Application Form online for the Non-renounceable Rights Offer ( Offer Booklet ) announced on 5 October 2021 ( Rights Offer ).

Eligible shareholders are advised that the Offers under the Offer Booklet are now open for subscription with the proposed Closing Date being 5.00pm (ACDT) Friday 12 November 2021.

Eligible shareholders are invited to subscribe for one (1) New Share for every five (5) Shares held as at the record date on 19 October 2021 at an offer price of $0.019 per New Share. This is the “Priority Offer” . As part of the Rights Offer, eligible shareholders may, subject to conditions, apply for New Shares not applied for under the Priority Offer in excess of their entitlements ( “Additional Shares” ) at the same issue price of $0.019 per New Share ( “Shortfall Offer” ).

The Directors reserve the right, subject to the Listing Rules and the Corporations Act, to place any Additional Shares under the Shortfall Offer at their discretion within 3 months after the Closing Date.

Any eligible shareholder who wishes to participate in the Rights Offer will need to follow the "How to Apply for New Shares" instructions in Section 3 of the Offer Booklet. Eligible Shareholders who elect not to participate should be aware that their shareholding interest in WML will be diluted as a result.

Shareholders should carefully consider the Offer Booklet in deciding whether to acquire any securities.

This ASX announcement was authorised for release by:

Jonathan W. Lindh

Company Secretary Woomera Mining Limited +61 8 8232 6201 jonathan.lindh@woomeramining.com.au

About Woomera Mining Limited

Woomera Mining Limited is a focussed precious metal and base metal explorer. The Company is exploring for precious metals and massive nickel-copper sulphides in Western Australia (Mt Venn JV Project) and nickelcopper sulphides (Musgrave Project) along with copper-gold mineralisation (Labyrinth Project - Gawler Craton) in South Australia.

Woomera’s portfolio also includes lithium exploration tenements in Western Australia, which the Company is seeking to divest.