RUA GOLD Reports Highest-Grade Drill Results to Date at the Auld Creek Gold-Antimony Project

Vancouver, British Columbia--(Newsfile Corp. - September 8, 2026) - Rua Gold Inc. (TSX: RUA) (NZX: RGI) (OTCQX: NZAUF) (WKN: A40QYC) (" RUA GOLD " or the " Company ") is pleased to provide an update on its Auld Creek gold-antimony project (the "Auld Creek Project") in Reefton, New Zealand.

RUA GOLD's exploration team has completed 19,600m of drilling, primarily focused on improving the confidence of Mineral Resource and provide detailed data for the geotechnical, hydrological and metallurgical studies supporting the pre-feasibility study ("PFS") required for the Company's Fast-Track Approvals Mining Application. Following the July 2026 announcement 1 that the Auld Creek Project had been accepted as a listed project under New Zealand's Fast-Track Approvals regime, the Company remains on track to execute on its strategy and submit its substantive application in October 2026 and publish the PFS in December 2026 .

Highlights:

Four drill rigs continue testing the growing resource, which remains open in all directions.

RUA GOLD’s exploration team has completed 19,600m of resource drilling, exceeding its 19,000m target.

Highlighted assay results from drilling at Auld Creek include:

ACDDH086: 2.7m @ 23.2 g/t AuEq 2 (15.4 g/t Au & 3.6% Sb) from 249m

ACDDH103: 7.0m @ 9.9 g/t AuEq 2 (5.7 g/t Au & 2.0% Sb) from 133m

ACDDH104: 32.0m @ 2.4 g/t AuEq 2 (2.1 g/t Au & 0.1% Sb) from 332m

ACDDH106: 11.3m @ 5.7 g/t Au (incl 0.8m @ 17.65g/t Au) from 159m

ACDDH107: 1.9m @ 22.7 g/t AuEq 2 (10.1 g/t Au & 5.8% Sb) from 249.55m

ACDDH108: 11.3m @ 6.11 g/t Au from 256m

ACDDH111: 4.5m @ 12.6 g/t AuEq 2 (5.8 g/t Au & 3.1% Sb) from 138m

ACDDH112: 2.9m @ 38.8 g/t AuEq 2 (9.3 g/t Au & 13.7% Sb) from 226m

ACDDH119: 0.6m @ 136.2 g/t AuEq 2 (82.9 g/t Au & 24.8% Sb) from 237.6m

Ultra-detailed geological and structural studies have significantly improved the Company’s understandi