Ora Banda Mining (ASX:OBM) said the mineral resource estimate for its Davyhurst Gold Project in Western Australia grew 75%, according to a Tuesday Australian bourse filing.

Total mineral resource estimate stood at 56.5 million tonnes at 2 grams per tonne (g/t) for 3.7 million ounces, up by 1.6 million ounces as of July 1, 2025, marking a significant strengthening of the Davyhurst inventory base, the company said.

The total mineral resource estimate includes a 964% increase in the Round Dam Open Pit mineral resource and a 114% increase in the Waihi Open Pit and Underground mineral resource, it added.

The total ore reserve estimate increased 159% to 8.4 million tonnes at 2.3 g/t for 610,000 ounces, net of mining depletion of 80,000 ounces to April 1, per the filing.

The company's shares were down nearly 2% in recent Tuesday trade.