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KCP.V ·

Turmalina Metals Name Change to King Copper Discovery Corp.

Corporate Actions

Turmalina Metals Name Change to King Copper Discovery Corp.

VANCOUVER, British Columbia, March 04, 2025 -- Turmalina Metals Corp. (“ Turmalina ”, or the “Company”; TBX-TSXV,

TBXXF-OTCQB, 3RI-FSE) is pleased to provide an update on the recently announced corporate name change, from “Turmalina

Metals Corp.” to “King Copper Discovery Corp.” and a symbol change on the TSXV from TBX to KCP, which is effective March

11, 2025 (the "Name Change ").

The new CUSIP number for the Company’s common shares will be 494726102, and the new ISIN number will be

CA4947261026. The share capital of the Company will remain unchanged.

The updating of various presentation materials, which is in progress, will reflect the Company’s focus on the Colquemayo

copper-gold-silver project, which is located in the Moquegua department, near the border with the Arequipa department in

Southern Peru.

The road-accessible project, of which the Company has an option to earn a 100% interest, covers 6,600 hectares with copper-

gold-silver mineralization in high-sulphidation epithermal systems hosted by phreatomagmatic and hydrothermal breccias that

have been emplaced into Miocene to Pliocene andesitic volcanic rocks. Intense hydrothermal alteration has been mapped over

an area of 10 km by 3 km.

Historic drill results from Colquemayo (see Turmalina News Release dated July 3, 2024 for details) include an intersection that

returned:

• 237.3 m @ 2.4 % Cu, 0.08 g/t Au & 10 g/t Ag, including

◦ 161.2 m @ 3.4% Cu, 0.09 g/t Au & 14 g/t Ag, and

◦ 31.3 m @ 14.8% Cu, 0.2 g/t Au & 47 g/t Ag.

Vice President and Director, Chico Azevedo, states “The high-grade potential of the Colquemayo mineralized system is

illustrated by prior drilling that returned up to 15.15 metres of 27% copper , within a broader 237.3 metre intercept of 2.4%

copper starting at a down-holed depth of 306.25m. In addition to targeting extensions to this high-grade epithermal

mineralization, our exploration will follow up indications of an underlying copper porphyry system identified in prior drilling. Our

exploration model at Colquemayo draws on its similarities to linked epithermal and porphyry systems in the Andes, a prime

example being Filo del Sol, in Argentina”.

A drill program is being designed on the basis of an exploration model developed from the re-logging of approximately 20,000

metres of historic drill core, integrated with assay data, mapped geology and mineral alteration zoning.

The Company has established access to the Project for initial baseline fieldwork and has maintained close contact with the

communities of Palcamayo and Amata, which own most of the surface rights in the Project area. The Company has also

initiated contacts with neighbouring communities and local authorities to inform them about the nature and status of the

Project.

Turmalina has engaged INSIDEO, an environmental consulting company based in Lima, to complete baseline studies and

prepare and environmental impact assessment (the Declaracion de Impacto Ambiental - the ‘DIA’), which is a key requirement

for the drill permit application. INSIDEO has completed all related fieldwork originally planned, including soil and water

sampling, air quality and noise control tests, and all studies related to the biological baseline.

On Behalf of the Company,

Jonathan Richards, Chief Executive Officer and Director.

Website: turmalinametals.com

Address: #1507 - 1030 West Georgia St, Vancouver, BC V6E 2Y3.

For Investor Relations enquiries, please contact +1 833 923 3334 (toll free) or via [email protected].

Statements

About Turmalina Metals Corp. and Our Projects: Turmalina is a TSXV-listed exploration company focused on the

Colquemayo gold-copper project in South America. Turmalina is led by a team responsible for multiple gold-copper-silver

discoveries.

Forward Looking Statement: This news release includes certain statements that may be deemed “forward-looking

statements”. All statements in this news release, other than statements of historical facts, that address events or

developments that the Company expects to occur, are forward-looking statements. Forward-looking statements are

statements that are not historical facts and are generally, but not always, identified by the words “expects”, “plans”,

“anticipates”, “believes”, “intends”, “estimates”, “projects”, “potential” and similar expressions, or that events or conditions

“will”, “would”, “may”, “could” or “should” occur. Although the Company believes the expectations expressed in such forward-

looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and

actual results may differ materially from those in the forward-looking statements. Forward looking statements in this news

release include the closing of the Name Change. Factors that could cause the actual results to differ materially from those in

forward-looking statements include the receipt of regulatory approvals, market prices, continued availability of capital and

financing, and general economic, market or business conditions, as well as legal, social, and economic conditions in

Argentina and Peru, where the Company’s mineral exploration properties are located. Investors are cautioned that any such

statements are not guarantees of future performance and actual results or developments may differ materially from those

projected in the forward-looking statements. Forward-looking statements are based on the beliefs, estimates and opinions of

the Company’s management on the date the statements are made. Except as required by applicable securities laws, the

Company undertakes no obligation to update these forward-looking statements in the event that management's beliefs,

estimates or opinions, or other factors, should change.

Qualified Person: All scientific and technical information in this news release has been approved by Dr. Rohan Wolfe,

Technical Advisor, MAIG, who serves as the Qualified Person (QP) under the definition of National Instrument 43-101. Dr Wolfe

has conducted a review of historic data at the project, reviewed the Company’s due diligence study of the Project and has

conducted an independent QA/QC review of historic drilling assays, and consents to the inclusion of this information in the

form and context in which it appears.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the

TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release or has in any way

approved or disapproved of the contents of this press release.