Silverco Mining to Commence Trading on TSX Venture Exchange

Vancouver, British Columbia--(Newsfile Corp. - October 22, 2025) - Quetzal Copper Corp. doing business as Silverco Mining Ltd. (TSXV: SICO) (the "Company") announces that its common shares will commence trading on the TSX Venture Exchange at market open on October 23, 2025 under the symbol "SICO".

On October 17, 2025, the Company announced the completion of a reverse takeover ("Reverse Takeover") with Silverco Mining Corp., establishing the Company as a Tier 2 Mining issuer focused on developing the Cusi Property in Mexico. For additional information on the Reverse Takeover, please see the Company's news releases dated June 26, 2025, August 15, 2025 and October 6, 2025.

Further to the Company's October 17, 2025 news release, due to an ongoing labour dispute between the British Columbia General Employees' Union and the government of British Columbia, BC Registries, the government body responsible for registrations of businesses, is temporarily closed (the "Job Action"). As such, the Company will be unable to legally change its name from "Quetzal Copper Corp." to "Silverco Mining Ltd." (the "Name Change") at this time. The Company anticipates completing the Name Change on the cessation of the Job Action. In the meantime, the Company will use the name "Quetzal Copper Corp. doing business as Silverco Mining Ltd." and will trade under the symbol "SICO".

The Company will issue a further news release upon completion of the Name Change.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release.

Contact Information

Mark Ayranto
President and CEO
Phone: [phone]
www.silvercomining.com

About the Company

The Company owns a 100% interest in the 11,665-hectare Cusi Mine Project located in Chihuahua State, Mexico (the "Cusi Property"). It lies within the prolific Sierra Madre Occidental gold-silver belt. There is an existing 1,200 ton per day mill with permitted tailings capacity at the Cusi Property.

The Cusi Property is a permitted, past-producing underground silver-lead-zinc-gold project approximately 135 kilometers west of Chihuahua City. The Cusi Property boasts excellent infrastructure, including paved highway access and connection to the national power grid.

The Cusi Property hosts multiple historical Ag-Au-Pb-Zn producing mines each developed along multiple vein structures. The Cusi Property hosts several significant exploration targets, including the extension of a newly identified downthrown mineralized geological block and additional potential through claim consolidation.