ORBMINCO LIMITED — Share Issue/Capital Change 2023

Mar 20, 2023

21 March 2023

ASX ANNOUNCEMENT

Release of Shares from Voluntary Escrow

In accordance with ASX Listing Rule 3.10A, Woomera Mining Limited (ASX: WML) (“Company”) advises that 5,000,000 Ordinary Shares held by Nanjilgardy Resources Pty Ltd (“Nanjilgardy”) will be released from voluntary escrow on 28 March 2023.

The shares were issued to Nanjilgardy as part consideration under the Wyloo Dome Exploration and Farm-In and Joint Venture Agreement. Please refer to the Company’s ASX Announcement dated 28 March 2022 for further details.

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

For further information please contact:

Jason Livingstone Luke Forrestal (Media Relations) Duncan Gordon (Investor Relations) Managing Director Director, Financial Communications Executive Director Woomera Mining Limited GRA Partners Adelaide Equity Partners + 61 417 560 341 +61 411 479 144 + 61 404 006 444

About Woomera Mining Limited

Woomera Mining Limited is a focussed mineral explorer. The Company is exploring for battery metals (lithium nickel, copper + PGE’s) and gold in the Yilgarn and Pilbara Cratons of Western Australia plus the Musgrave Province in South Australia along with copper-gold mineralisation in the Gawler Craton of South Australia.

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