Mr. Jon Bridgman reports

EXTER GOLD ANNOUNCES CLOSING OF 3RD TRANCHE UPSIZED PRIVATE PLACEMENT, AGSM, TRANSACTION UPDATE AND EARLY WARNING DISCLOSURE

Exter Gold Corp. (formerly, Bird River Resources Inc.) has completed the third tranche of its previously announced non-brokered private placement of 12,230,393 common shares in the capital of the company at 10.5 cents per share for aggregate gross proceeds of $1,284,191.27.

In connection with the offering, the company paid finders' fees to an eligible finder by issuance of 38,095 finder's compensation shares at 10.5 cents per share.

The company intends to use the net proceeds from the offering for general corporate and working capital purposes. All currency references in this news release are in Canadian currency unless otherwise noted. The shares were issued by way of a private placement pursuant to exemptions from prospectus requirements under applicable securities laws.

Upsize of offering

The company is pleased to announce that due to strong investor demand, the company intends to upsize the offering from up to 14,285,714 shares for gross proceeds of $1.5-million to up to 33,333,333 shares for gross proceeds of $3.5-million.

Early warning disclosure

In connection with the offering, Robert Jellen (the subscriber) directly and indirectly acquired 8,613,540 shares pursuant to subscription agreements entered between the subscriber and the company. The acquired shares represents approximately 7.91 per cent of the issued and outstanding shares on a non-diluted basis. Immediately after the acquisition of the acquired shares, the subscriber, directly and indirectly, holds 20,896,228 shares representing approximately 19.19 per cent of the issued and outstanding shares on a non-diluted basis.

The subscriber acquired the common shares pursuant to the offering for investment purposes and intends to review its investment in the company on a continuing basis. Depending upon a few factors including market and other conditions, the subscriber may from time to time increase or decrease its beneficial ownership, control, direction or economic exposure over securities of the company.

This news release is being issued under the early warning provisions of Canadian securities legislation. An early warning report will be electronically filed with the applicable securities commission in each jurisdiction where the company is reporting and will be available on SEDAR+.

Transaction update and AGSM

Further to the company's news release dated Dec. 11, 2025, regarding the entry into a binding letter of intent (the LOI) with Analog Gold Inc. to acquire certain assets from Analog, and subsequent news releases providing updates thereon, including the company's news release dated March 2, 2026, regarding the stabilization of operations at the Tadeo mill and the addendum to the LOI dated April 8, 2026, extending the outside date for completion of the transaction to Oct. 31, 2026, the company is pleased to provide the following corporate update.

The technical report for the projects located in Mexico prepared pursuant to National Instrument 43-101 -- Standards of Disclosure for Mineral Projects has been completed and has been filed for review with the Canadian Securities Exchange. The required audited financial statements of the target are progressing well and are expected to be completed by the end of September, 2026. The parties continue to advance the steps necessary to complete the transaction.

The company also announces that the parties have entered a further addendum to the LOI pursuant to which the outside date for the completion of the transaction has been extended from Oct. 31, 2026, to Dec. 31, 2026, to allow sufficient time to satisfy all remaining conditions to closing.

The company further announces that its annual general and special meeting of shareholders has been schedulled for Nov. 17, 2026, at which, among other things, shareholders will be asked to consider and approve the transaction.

The company wishes to thank its shareholders for their continued support and understanding as it works diligently to complete the transaction. The company recognizes that the complexity of the transaction has required additional time and remains committed to ensuring that all requisite regulatory, financial, and technical requirements are satisfied in a thorough and timely manner.

About Exter Gold Corp. (formerly Bird River Resources)

Exter Gold (formerly Bird River Resources) is a Winnipeg, Manitoba-based, resource company focused on advancing quality mineral exploration and development properties. Upon completion of its transaction with Analog Gold, the company will be a fully integrated producing gold and silver mining company located in a Tier 1 mining district east of Mazatlan, Mexico. Exter's key assets will include a fully operational processing mill with a capacity of processing 600 tons per day of ore, a producing mine Tres Oros, a near-term producing high-grade gold property El Dorado and two key exploration properties San Fernando and San Ramon located next to Vizsla Silver's high-grade Panuco project with similar mineralization.

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