Announcement PDF RNS Number : 8987G East Star Resources PLC 04 June 2026 RNS Reach 4 June 2026 East Star Resources Plc ("East Star" or the "Company") Invitation to Private Shareholders for Drinks & Q&A with CEO Alex Walker, CEO of East Star (LSE: EST), the Kazakhstan-focused gold and copper exploration and development company, invites private shareholders for drinks and Q&A in central London on Thursday, 11 June 2026 at 2.45 p.m. BST. East Star is advancing a portfolio of high-quality copper and gold projects across Kazakhstan, anchored by a maiden JORC mineral resource estimate of 20.3Mt at its Verkhuba VMS copper development in an infrastructure-rich region, as well as a strategic joint venture with Endeavour Mining targeting major gold discoveries. The occasion is a chance to discuss how East Star is progressing these projects towards meaningful value inflexions, with strong exploration pipelines across its VMS and porphyry assets, and a copper JV agreement recently signed with Xinhai Mining adding further momentum to the Company's growing portfolio. Attendance is strictly by RSVP. Please email eaststar@vigoconsulting.com to register your attendance and to be provided with details of the location. 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 / Seb Weller / Georgina Moul 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. The Company is pursuing multiple exploration strategies including: · A joint venture with Hong Kong Xinhai Mining Services Limited to take the Verkhuba Deposit (20.3Mt @ 1.16% copper, 1.54% zinc and 0.27% lead) into production (at no further cost to East Star) with East Star retaining 30% ownership in production · A second VMS Exploration Target with up to 23Mt @ 2.4% copper equivalent in the same region, with numerous other targets being advanced to drill-ready status · A $25 million+ strategic gold exploration joint venture with Endeavour Mining · Tier 1 potential copper porphyry targets and epithermal gold targets in a proven copper porphyry and epithermal belt Visit our website: www.eaststarplc.com Follow us on social media: LinkedIn: https://www.linkedin.com/company/east-star-resources/ X: https://x.com/EastStar_PLC Engage with us by asking questions, watching video summaries and seeing what other shareholders have to say. Navigate to our interactive Investor Hub here: https://eaststarplc.com/link/exoxwy Subscribe to our news alert service: https://eaststarplc.com/regulatory-news The person who arranged for the release of this announcement was Alex Walker, CEO of the Company. This information is provided by Reach, the non-regulatory press release distribution service of RNS, part of the London Stock Exchange. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com. RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END NRAFJMATMTMMBIF