Genesis Minerals (ASX:GMD) said its group mineral resources came in at 280 million tonnes at 2.1 grams-per-tonne grade of gold for 18.9 million ounces, while its group ore reserves came in at 72 million tonnes at 1.9 g/t grade of gold for 4.4 million ounces as of Dec. 31, 2025, an increase of 29% and 19%, respectively, according to a Tuesday Australian bourse filing.

The ore reserves were estimated using an assumed gold price of AU$2,800 per ounce compared with the current spot price of around AU$6,400 per ounce.

It reported a mineral resources estimate of 31 million tonnes at 4.8 g/t grade of gold for 4.8 million ounces and an ore reserves estimate of 7.2 million tonnes at 5 g/t grade of gold for 1.2 million ounces for the Gwalia gold mine in Western Australia.

Its updated mineral resources estimate for the Ulysses gold project clocked in at 5.9 million tonnes at 3.8 g/t grade of gold for 720,000 ounces, and the underground ore reserve estimate was 2.8 million tonnes at 3.4 g/t grade of gold for 310,000 ounces.

Its shares fell 1% in recent trading on Tuesday.