Achievement of Performance Threshold

East Star Resources Plc (LSE:EST), the Kazakhstan focused copper exploration and resource development company, announces that pursuant to the achievement of a Mineral Resource Estimate performance threshold of 1Moz at 2 g/t gold equivalent (the "Performance Threshold") under the share purchase agreement with the vendors of Discovery Ventures Kazakhstan Limited (the "DVK Vendors"), and as set out in the Company's Prospectus dated 14 December 2021, the DVK Vendors shall have the right to receive the additional 75,000,000 Ordinary Shares ("Performance Shares").

Following the publication of a Maiden Mineral Resource Estimate for the Verkhuba Copper Deposit on 23 April 2024 of 20.3Mt @ 1.16% copper, 1.54% zinc and 0.27% lead using a whole deposit cutoff grade of 0.86% copper equivalent, the Board of East Star sought independent opinions from qualified professionals on a gold equivalent value and has concluded that the JORC resource comfortably exceeds the Performance Threshold.

As part of the share purchase agreement with the DVK Vendors, and pursuant to a Board vote to which Alex Walker, as a related party, abstained from voting, the Performance Shares are to be issued to the DVK Vendors in the allocations outlined below:

The Company will make further announcements in relation to the issue of the Performance Shares to the DVK Vendors as required.

East Star Resources Plc

Alex Walker, Chief Executive Officer

SI Capital (Corporate Broker)

Nick Emerson

Peterhouse Capital Limited (Corporate Broker)

Vigo Consulting (Investor Relations)

Ben Simons / Peter Jacob

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The person who arranged for the release of this announcement was Alex Walker, CEO of the Company.