News and Announcements

Auction Results: Mixed-Quality Rubies

Gemfields announces the results of an auction comprised of mixed-quality rough ruby held during the period 9 – 20 February 2026. Highlights – Mixed-Quality Ruby Auction – February 2026 Total auction revenues of USD 53 million. 121 of the 135 lots offered for sale were sold (90%). 214,509 carats were offered for sale with 189,620 carats sold (88%). Average sales price of USD 279 per carat. This is the first auction to include material from MRM’s second processing plant, underscoring the contribution it is already making ahead of full commissioning.

Operational update to 31 December 2025

Gemfields shareholders are advised that the Company has released information about its operational results and financial position to 31 December 2025. These unaudited figures have been produced on a monthly basis for Gemfields’ 75%-owned Kagem emerald mine and its 75%-owned Montepuez ruby mine.

Brian Patrick Gilbertson, 15 August 1943 – 17 December 2025

With sadness, Gemfields advises of the passing of its former Chairman, Brian Patrick Gilbertson. After a long period of illness, Brian passed away in his bed at home in South Africa surrounded by family on Wednesday 17 December 2025. A memorial website, including an obituary, can be viewed here: https://www.online-tribute.com/BrianPatrickGilbertson

Auction Results: Commercial-Quality Emeralds

Gemfields announces the results of an auction comprised of commercial-quality rough emeralds held during the period 17 November – 4 December 2025. Highlights: December 2025 Commercial-Quality Emerald Auction Total auction revenues of USD 25.4 million 46 lots were offered for sale and 45 were sold (98%) Average price of USD 7.46 per carat The 53 auctions of Kagem gemstones held since July 2009 have generated USD 1.147 billion in total revenues

Two Mozambique police officers killed by illegal miners at MRM

On Wednesday 15 October 2025, a group of approximately 40 illegal miners marched on the mine gate at Montepuez Ruby Mining (“MRM”). They proceeded to attack Mozambican police officers present at the gate, killing two, one of whom was a commander of Mozambique’s Natural Resources Protection Force.

Auction Results: Mixed-Quality Rubies

Gemfields is pleased to announce the results of a mini-auction of Mozambican rough rubies from Montepuez Ruby Mining (“MRM”) held via online bidding after viewings in Bangkok, Thailand from 29 September to 3 October 2025. Highlights: Mini Mixed-Quality Ruby Auction – September – October 2025 Auction revenues of USD 11.0 million 26 of the 33 lots on offer were sold 62% of the 297,449 carats on offer were sold Average realised price of USD 59.43 per carat
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