Tri-Star Resources Limited is a private limited company holding an investment of 16% in the Strategic and Precious Metals Processing (SPMP) facility in the Port of Sohar Free Zone, located in the Sultanate of Oman

It is the first antimony roaster outside of China in 30 years, and the world’s first “Clean Plant”, designed to EU environmental standards and represents 15-20% of average annual world antimony production. This places SPMP in a prime position to take a leading global role in the transparent, environmentally friendly, processing of metals.


Tri-Star Resources plc delisted from AIM on 10th December 2020 and was re-registered as a private limited company on 18th  December 2020. After delisting and going private, a new director, Claire Holdsworth, was appointed alongside the existing Company Secretary, Lavinia Jessup.  Any shareholder questions should be directed to the following email addresses: and/or

Tri-Star Resources Limited has implemented a Matched Bargain Facility, which offers shareholders a trading mechanism in the ordinary shares. For details please see

Tri-Star Resources will be publishing on this website periodic updates on the progress of Strategic and Precious Metals Processing (SPMP).


The quarterly Tri-Star update is now available to shareholders, please email to receive a copy.
Link to article on SPMP in Oman Observer

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