Mr. Sam Leung reports

ALDEBARAN RESOURCES AND CENTAURI MINERALS ANNOUNCE FINAL APPROVAL OF CENTAURI'S LISTING ON THE TSX VENTURE EXCHANGE

Aldebaran Resources Inc. and its subsidiary Centauri Minerals Inc. have filed its TSX Venture Exchange (TSX-V) Form 2B listing application and supporting documents on its SEDAR+ profile. The companies are also pleased to announce that Centauri has received final approval from the TSX-V to list its common shares under the symbol CENT.

Anticipated closing and listing mechanics

Pursuant to the TSX-V's final approval, the Centauri shares will be listed and immediately halted on Aug. 26, 2026, pending closing of the previously announced plan of arrangement. It is anticipated that the arrangement will close on Aug. 27, 2026, pursuant to which all holders of Aldebaran's common shares of record as of the close of business on Aug. 26, 2026, will receive in exchange for each Aldebaran share: (i) one new common share of Aldebaran; and (ii) 0.10 of a Centauri share. Aldebaran shareholders are not required to take any action to receive their new Aldebaran shares or Centauri shares.

Following closing of the arrangement, it is anticipated that the Centauri halt will be lifted and trading of the Centauri shares on the facilities of the TSX-V will commence on Aug. 31, 2026.

The companies will provide further details concerning the closing of the arrangement in a subsequent press release. For further details about Centauri and the arrangement, please refer to the listing application.

About Aldebaran Resources Inc.

Aldebaran is a mineral exploration company that was spun out of Regulus Resources Inc. in 2018 and has the same core management team. Aldebaran holds an 80-per-cent interest in the Altar copper-gold project in San Juan province, Argentina. The Altar project hosts multiple porphyry copper-gold deposits with potential for additional discoveries. Altar forms part of a cluster of world-class porphyry copper deposits which includes Los Pelambres (Antofagasta Minerals), El Pachon (Glencore) and Los Azules (McEwen Copper). In November, 2024, Aldebaran announced an updated mineral resource estimate for the Altar project, prepared by Independent Mining Consultants Inc. and based on the drilling completed up to and including the 2023 to 2024 field season (independent technical report prepared by Independent Mining Consultants Inc., Tucson, Ariz., titled "Technical Report, Estimated Mineral Resources, Altar Project, San Juan Province, Argentina," dated Dec. 31, 2024 -- see news release dated Nov. 25, 2024). In October, 2025, Aldebaran announced a preliminary economic assessment (PEA) for the Altar project (independent technical report prepared by SRK Consulting Inc., Denver, Colo., titled "NI 43-101 Technical Report Preliminary Economic Assessment Altar Project San Juan, Argentina," dated Sept. 30, 2025 -- see news release dated Oct. 30, 2025).

About Centauri Minerals Inc.

Centauri Minerals is a mineral exploration company focused on Northern Argentina, a mining region of increasing global significance. Centauri holds a 100-per-cent-interest in a portfolio of exploration projects spanning approximately 40,000 hectares in the provinces of Salta, Jujuy and Catamarca, which was spun out from Aldebaran Resources Inc. The most advanced is the Rio Grande gold-copper project located in Salta, which has an independent National Instrument 43-101 -- Standards of Disclosure for Mineral Projects-compliant mineral resource estimate that highlights significant gold and copper and silver quantities. Centauri has offices and facilities in Salta, Argentina, and Vancouver, Canada. Centauri Minerals will trade on the TSX Venture Exchange under the symbol: CENT.

We seek Safe Harbor.