26 March 2026

Morgan Advanced Materials plc

(the 'Company')

Publication of 2025 Annual Report and Notice of 2026 Annual General Meeting

The following documents have today been posted or otherwise made available to shareholders:

·    Annual Report and Financial Statements for the year ended 31 December 2025 (2025 Annual Report);

·      Notice of the 2026 Annual General Meeting (AGM) to be held at Slaughter and May's Offices, One Bunhill Row London EC1Y 8YY, on Thursday 7 May 2026 at 10.30am; and

·      Form of Proxy for the 2026 AGM.

In accordance with UK Listing Rule 6.4.1, copies of the above documents have been uploaded to the National Storage Mechanism (NSM) and will be available for viewing shortly at:

https://data.fca.org.uk/#/nsm/nationalstoragemechanism. In accordance with Disclosure Guidance and Transparency Rule 6.3.5R(1A), the regulated information required to be disclosed is contained in full, unedited text within the 2025 Annual Report uploaded to the NSM.

The documents are also available on the Company's website at http://www.morganadvancedmaterials.com/2026AGM.

For further information please contact:         

Win Chime

Company Secretary

Company.Secretariat@morganplc.com

Legal Entity Identifier: I4K14LL95N2PHDL7EG85