Mr. Farshad Shirvani reports

CASA MINERALS ANNOUNCES CLOSING OF FIRST TRANCHE OF PRIVATE PLACEMENT

Casa Minerals Inc. has closed the first tranche of its previously announced non-brokered private placement (Sept. 9, 2026). The company has closed on a total of 15 million flow-through units at a price of 10 cents per flow-through unit for gross proceeds of up to $1.5-million.

The flow-through units consist of one common share and one-half common share purchase warrant. Each of the 7.5 million warrants will be exercisable at a price of 15 cents until Sept. 28, 2028.

Net proceeds from the offering will be used for exploration and development activities on the company's projects in British Columbia, Canada.

All flow-through shares and warrants comprising the flow-through units, will be subject to a four-month-and-one-day hold period, being Jan. 29, 2027, during which any resale or other transfer will be restricted in accordance with applicable securities laws.

The company paid $4,350 in finders' fees, which were paid in cash, and issued 6,000 non-transferable finder warrants part of the first tranche of the offering. Each finder warrant entitles the holder to purchase one common share at an exercise price of 15 cents per finder share for a period of two years from the date of issuance of the finder warrant.

The completion of the private placement remains subject to approval of the TSX Venture Exchange.

This tranche includes the subscription of Farshad Shirvani, president and chief executive officer of the company. He subscribed for five million flow-through units. As a result, the issuance of units to Mr. Shirvani is considered to be a related party transaction subject to TSX Venture Exchange Policy 5.9 and Multilateral Instrument 61-101. Casa Minerals is relying on exemptions from the formal valuation and minority shareholder approval requirements provided under sections 5.5(a) and 5.7(a) of MI 61-101 on the basis that participation in the private placement by insiders will not exceed 25 per cent of the fair market value of Casa Minerals' market capitalization.

Following the closing of the first tranche, the offering remains open and the company may close additional tranches, subject to receipt of all necessary regulatory and TSX-V approvals.

We seek Safe Harbor.