ST BARBARA LIMITED — M&A Activity 2023

May 30, 2023

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31 May 2023

Re-submission of Proposal from Silver Lake to Acquire Leonora Assets

St Barbara Limited (“ St Barbara ”) (ASX: SBM) notes that, following media speculation in The Australian newspaper on 30 May 2023, it has received from Silver Lake Resources Limited (“ Silver Lake ”) (ASX:SLR) at 9.26 am AEST on 31 May 2023 a resubmission of its earlier non-binding, indicative and conditional proposal (“ Non-binding, Indicative and Conditional Proposal ”) for St Barbara’s Leonora assets[1] .

St Barbara acknowledges receipt of the resubmission of the Non-binding, Indicative and Conditional Proposal.

St Barbara is advised by Macquarie Capital (Australia) Limited as financial adviser and King & Wood Mallesons as legal adviser.

Authorised by

Dan Lougher Managing Director & CEO

For more information

Investor Relations

David Cotterell Manager Business Development

info@stbarbara.com.au

Media Relations

Paul Ryan / Michael Weir Citadel-MAGNUS 0409 296 511 / 0402 347 032

T: +61 3 8660 1959 M: +61 447 644 648

1 Refer St Barbara ASX release titled: “ Revised Proposal from Silver Lake to Acquire Leonora Assets ” on 22 May 2023