Corporate Presentation and Investor Webinar

Anglesey Mining plc (AIM: AYM), the UK-based mineral exploration and development company and the 100% owner of the Parys Mountain Cu-Zn-Pb-Ag-Au VMS project in Anglesey, North Wales, is pleased to announce that the Company has updated its corporate presentation, which is now available on the website.

Investors can access the presentation via: https://www.angleseymining.co.uk/investor/

Andrew Fulton, CEO and Jim Williams, Executive Chairman, will be providing a live investor session via the Investor Meet Company platform on Thursday 3 September 2026 at 1:00pm BST.

The session will discuss the recent operational and strategic updates from the Company and outline the approach looking ahead.

Investors can sign up to Investor Meet Company for free and add to meet Anglesey Mining plc via:

Investors who already follow Anglesey Mining on the Investor Meet Company platform will automatically be invited.

• Whilst the Company may not be able to answer every individual question, the aim is to address as many issues raised by investors as practicable
• Responses to the Q&A will be published at the earliest opportunity on the Investor Meet Company platform following the presentation
• Investor feedback can also be submitted directly to management following the event, enabling the Company to better understand the views of its investor base.