Mr. Jon Bridgman reports

EXTER GOLD PROVIDES CORPORATE UPDATE, CLOSING OF 1ST TRANCHE PRIVATE PLACEMENT AND CORRECTION OF DISCLOSURE

Further to the Exter Gold Corp. (formerly Bird River Resources Inc.) news release dated Dec. 11, 2025, regarding the entry into a binding letter of intent with Analog Gold Inc. to acquire certain assets from Analog composed of: (i) Analog's wholly owned subsidiary and a corporation existing under the laws of Mexico; and (ii) Analog's interest to receive royalties in relation to the San Miguel project, the transaction is proceeding as anticipated, and the company is actively compiling the documentation required to submit its application to the Canadian Securities Exchange for approval of the transaction as a fundamental change, including the completion of a technical report pursuant to National Instrument 43-101 (Standards of Disclosure for Mineral Projects) and the required financial statements. The company intends to hold an annual general and special meeting of its shareholders to seek the approvals required in connection with the transaction in accordance with the policies of the CSE.

The company also provides the following update regarding the progress of its operations. The Tadeo mill, a processing facility, situated approximately 47 kilometres south of Mazatlan, which is operated by the company on lease, and forms part of the purchased assets, has stabilized its operations. The mill has been able to process over 28,000 tons of ore sourced from third parties from October, 2025, to date. Development of the Tres Oros mine is under way, and production is expected to commence in second quarter of 2026. Further, the permitting process for El Dorado property has advanced, and drilling is expected to commence in Q2 of 2026. The company expects to be cash flow positive by the end of 2026.

Closing of private placement

The company is also pleased to announce that it has completed the first tranche of its previously announced non-brokered private placement of 3,244,826 common shares in the capital of the company at 10.5 cents per share for aggregate gross proceeds of $340,706.73.

In connection with the offering, the company paid aggregate cash finders' fees of $8,400, issued 90,361 finders' compensation shares at 10.5 cents per share and issued 80,000 finders' compensation warrants to the eligible finders. Each finder's warrant entitles the holder to purchase one share of the company at 15 cents per share for a period of 24 months from the date of issuance.

The company intends to use the net proceeds from the offering for general corporate and working capital purposes. All currency references in the 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.

Correction of disclosure

The company provides correction to the disclosure of the non-brokered private placement financing of common shares in the capital of the company announced in the press release dated Dec. 5, 2025. The company completed the December offering for aggregate gross proceeds of $1,480,033.70 by the issuance of an aggregate number of 14,800,337 shares at a price of 10 cents per share. In connection with the December offering, Entertainment Insurance Consultants Inc. acquired 6,223,132 shares pursuant to a subscription agreement entered into between EIC and the company. The acquired shares beneficially held by EIC represent approximately 7.62 per cent of the issued and outstanding shares on a non-diluted basis.

About Exter Gold Corp. (formerly Bird River Resources Inc.)

Exter Gold (formerly Bird River Resources), based in Winnipeg, Man., is a 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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