Notice of Investor Presentation

16 April 2025

East Star Resources Plc

("East Star" or the "Company")

Notice of Investor Presentation

East Star Resources Plc (LSE:EST), which is exploring for copper and gold in Kazakhstan, will host a presentation and Q&A via the Investor Meet Company platform at 11.00 a.m. BST on Wednesday, 23 April 2025 with the Company's Chief Executive Officer, Alex Walker. The presentation titled 'Unlocking Kazakhstan's Copper and Gold Potential' will discuss East Star's upcoming high impact copper and gold exploration pipeline, which includes the Company's summer 2025 drill targets.

The presentation is open to all existing and potential shareholders. Questions can be submitted pre-event via your Investor Meet Company dashboard up until 9.00 a.m. BST on 22 April 2025, or at any time during the presentation. A recording of the presentation will be made available on the website later that day.

Investors can sign up to Investor Meet Company for free and add East Star Resources Plc in order to attend the Webcast via: https://www.investormeetcompany.com/east-star-resources-plc/register-investor.

Investors who already follow East Star on the Investor Meet Company platform will automatically be invited.

No material new financial or other information will be provided.

East Star Resources Plc

Alex Walker, Chief Executive Officer

Tel: +44 (0)20 7390 0234 (via Vigo Consulting)

SI Capital (Corporate Broker)

Nick Emerson

Tel: +44 (0)1483 413 500

Vigo Consulting (Investor Relations)

Ben Simons / Peter Jacob

Tel: +44 (0)20 7390 0234

About East Star Resources Plc

East Star Resources is focused on the discovery and development of copper and gold in Kazakhstan. East Star's management are based permanently on the ground, supported by local expertise. The Company is pursuing three exploration strategies:

· A Volcanogenic Massive Sulphide (VMS) discovery with a maiden JORC MRE of 20.3Mt @ 1.16% copper, 1.54% zinc and 0.27% lead, in an infrastructure-rich region, amenable to a low capex development

· Copper porphyry and epithermal gold exploration, with multiple opportunities for Tier 1 deposits, supported by an initial $500k grant from BHP Xplor in 2024

· Sediment-hosted copper exploration with Getech where the initial targeting strategy is at no cost to East Star

Visit our website:

www.eaststarplc.com

Follow us on social media:

LinkedIn: https://www.linkedin.com/company/east-star-resources/

X (formerly Twitter): https://twitter.com/EastStar_PLC

Subscribe to our email alert service to be notified whenever East Star releases news:

www.eaststarplc.com/newsalerts

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

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