The TSX Venture Exchange has accepted for filing documentation in connection with an arrangement agreement and plan of merger dated Jan. 25, 2026, as amended May 15, 2026, between Goldgroup Mining Inc., Gold Resource Corp. (GRC) and a wholly owned subsidiary of Goldgroup under the provisions of the Business Corporations Act (British Columbia).

Pursuant to the plan of arrangement, shareholders of the GRC received 0.3619 of a common share of Goldgroup for each one share of common stock of GRC held. The exchange has been advised that approval of the plan of arrangement by the company's securityholders was received at an annual general and special meeting of shareholders held on July 2, 2026, and that the final court order approving the plan of arrangement was received from the Supreme Court of British Columbia on July 6, 2026. The plan of arrangement was completed on July 17, 2026.

Effective at the opening, Wednesday, July 22, 2026, the trading symbol for the company will change from GGA to GORO. There is no change in the company's name, no change in its Cusip number and no consolidation of capital. The company is classified as a mining company.

Please refer to the exchange bulletin dated July 8, 2026, for details regarding the company's recent Cusip number change and the consolidation of shares.

For additional information please refer to the company's management information circular dated May 29, 2026, and news release dated July 17, 2026, filed on SEDAR+.