Aldebaran Resources Inc.  (TSX-V: ALDE) (OTCQX: ADBRF) is pleased to announce the closing of its previously announced private placement offering of common shares of the Company. Pursuant to the Offering, the Company issued 1,538,462 Common Shares at a price of $3.25 per Common Share for aggregate gross proceeds of $5,000,001.50. The Common Shares issued pursuant to the Offering are subject to a statutory hold period until June 18, 2026.

The Offering was completed in connection with the previously announced private placement under Part 5A of National Instrument 45-106 – Prospectus Exemptions, as amended by Coordinated Blanket Order 45-935 – Exemptions from Certain Conditions of the Listed Issuer Financing Exemption (see press releases dated January 26, January 27, February 3 and February 5), which closed on February 5, 2026. Collectively between the Offering and the LIFE Offering, the Company issued 13,923,157 Common Shares for total gross proceeds of $45,250,260.50.

Certain funds controlled by the Company’s largest shareholder, Route One Investment Company LLC, acquired the 1,538,462 Common Shares issued pursuant to the Offering, which constitutes a “related party transaction” pursuant to Multilateral Instrument 61-101 – Protection of Minority Securityholders in Special Transactions. The Company has relied on the exemptions from the formal valuation and securityholder approval requirements contained in section 5.5(a) and 5.7(1)(a) of MI 61-101, respectively, on the basis that the fair market value of the of the Offering is not more than 25% of the Company’s market capitalization. A material change report was not filed more than 21 days in advance of closing the Offering as details of Route One’s participation were not determined until a short period of time prior to closing. Further information concerning the Offering is available in a material change report dated February 11, 2026, and available on the Company’s profile at www.sedarplus.ca.

The Company intends to use the net proceeds from the Offering to complete a prefeasibility study on its Altar copper-gold project in San Juan province, Argentina, and for general working capital purposes.

The securities described herein have not been and will not be registered under the U.S. Securities Act of 1933, as amended, or any U.S. state securities laws, and may not be offered or sold in the United States absent registration or available exemptions from such registration requirements. This news release does not constitute an offer to acquire securities in any jurisdiction.

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% 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 Pachón (Glencore), and Los Azules (McEwen Copper). In November 2024 the Company 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 2023-24 field season (independent technical report prepared by Independent Mining Consultants Inc., Tucson, Arizona, titled “Technical Report, Estimated Mineral Resources, Altar Project, San Juan Province, Argentina”, dated December 31, 2024 – see news release dated November 25, 2024).