VANCOUVER, BC / ACCESS Newswire / May 28, 2026 / Aztec Minerals Corp. (AZT:TSXV)(OTCQB:AZZTF) ("Aztec" or the "Company") announces that the Tombstone Property Joint Venture Management Committee met recently and approved a further expansion of the ongoing drill program by 3,500m of additional reverse circulation ("RC") drilling. The expanded drilling program which commenced in June 2025 is now expected to total approximately 22,200m of combined core and RC drilling (18,829m RC and 3,371m core). The additional approved drilling budget totals CAD$1.4 million and is expected to be directed towards targets in the North Contention Area. The Northern Contention Area is the continuation of the Contention target area with similar geology, mineralization styles and abundant historical underground mine workings from the historical period of 1878 - 1911. The focus of this additional shallow RC drilling program is to target oxide gold-silver mineralization.

Drilling Program Update: The ongoing program has currently completed 14,162.5 m of RC drilling over 68 drill holes and 3,371.1 m of Core drilling over 9 drill holes. There are currently 14 RC drill holes shipped to the laboratory awaiting results and 3 Core drill holes are either awaiting core cutting or shipment to the laboratory prior to results. The new Northern Contention Area drill program is expected to continue through August 2026 with results expected into the 4th quarter of 2026.