ORBMINCO LIMITED — Capital/Financing Update 2022

Feb 1, 2022

2 February 2022

ASX ANNOUNCEMENT

ALLOTMENT OF SHORTFALL SHARES

Woomera Mining Limited (ASX: WML) ( Woomera or the Company ) refers to its ASX Announcement of 25 January 2022 regarding the placement of shortfall shares following the 1 for 5 pro-rata, non-renounceable rights offer to Eligible Shareholders ( Rights Issue ) detailed in the Company’s Offer Document dated 13 October 2021.

The Company is pleased to confirm that 62,965,903 shares were allotted on 2 February 2022 at an issue price of $0.019 to raise an additional $1,196,352. Following the allotment, the total number of shares on issue is 681,833,066.

An Appendix 2A has been released to the market in conjunction with this announcement.

This ASX announcement has been approved by the Board of Woomera Mining Ltd and authorised for release by:

Jonathan W. Lindh Company Secretary Woomera Mining Limited +61 8 8232 6201

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.

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