RIEDEL RESOURCES LIMITED — Board/Management Information 2026

Apr 20, 2026

ASX / Media Announcement
21 April 2026

RIEDEL
RESOURCES

Appointment & Resignation of a Director

Riedel Resources Ltd (ASX: RIE) ("Riedel" or the "Company") is pleased to advise that it has appointed Mr Andrew Dinning as a Non-Executive Director, effective 21 April 2026. Mr Dinning has been nominated by Sarama Resources (ASX: SRR, TSX-V: SWA) in connection with its proposed transaction between Riedel and Sarama.

A highly experienced mining executive, Mr Dinning brings over 35 years' experience across mine management, operations, exploration and capital markets, having worked in Australia, the Democratic Republic of Congo, West Africa, Russia, and the United Kingdom. He has spent most of his career in the gold sector, where he brings deep technical and corporate expertise.

Mr Dinning served as Director, President and Chief Operating Officer of DRC-based, TSX/LSE-listed Moto Goldmines, where he oversaw growth of the flagship Moto Gold Project from approximately 2 million ounces to over 22 million ounces of gold, advancing it from exploration through to pre-development. Moto Goldmines was subsequently acquired by Randgold Resources and AngloGold Ashanti, with the project developed into the Kibali Gold Mine.

He is currently Executive Chairman of Sarama Resources (ASX: SRR, TSX-V: SWA), a gold explorer and developer with projects in Western Australia's Eastern Goldfields, and served for seven years on the board of the Australia-Africa Minerals & Energy Group (AAMEG), the peak body representing Australian companies active in Africa's resources industry.

Mr Dinning is currently Executive Chairman of Sarama Resources, a gold explorer and developer that discovered and advanced the 2.9Moz¹ Au Sanutura Project in Burkina Faso through to pre-development, and more recently progressed the Cosmo and Mt Venn projects in Western Australia's Eastern Goldfields. He also served for seven years on the board of the Australia-Africa Minerals & Energy Group (AAMEG), the peak industry body representing Australian companies active in Africa's resources sector.

His qualifications include an MBA from Cranfield University, a First Class Mine Managers Certificate (Western Australia and South Australia), and a Bachelor of Engineering (Mining).

The Company has accepted the resignation of Mr Scott Patrizi as Director of the Company. The Board thanks Mr Patrizi for his past services to the Company and wishes him the very best for his future endeavours.

This release has been authorised by the Board of Riedel Resources Limited.

-ENDS-

For further information please contact:

Scott Cuomo – Non-Executive Chairman

Riedel Resources Limited
Level 2, 480 Collins Street, Melbourne VIC 3000
T: +61 3 9614 0600
E: admin@riedelresources.com.au

ABOUT RIEDEL RESOURCES LIMITED

Riedel Resources Limited is a mineral exploration company focused on advancing the high-grade Kingman Gold Project in Arizona, USA. The Company has also recently entered into an agreement to acquire a majority and controlling interest in two belt-scale gold exploration projects in the prolific Laverton Gold District of Western Australia. Further information can be found at the Company's website www.riedelresources.com.au

¹ Sanutura Project endowment - Mineral Resource comprising 9.4Mt @ 1.9g/t Au for 0.6Moz Au (Indicated), plus 52.7Mt @ 1.4g/t Au for 2.3Moz Au (Inferred). Refer to Sarama's MD&A dated 10 August 2023.