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GRDM.V ·

Grid Metals Corp. To Participate in THE Mining Investment Event; Engages Leading Cesium Industry Expert

Marketing Announcement

Grid Metals Corp. To Participate in THE Mining Investment Event;

Engages Leading Cesium Industry Expert

June 2, 2025 TORONTO -- Grid Metals Corp. (TSXV:GRDM; OTCQB:MSMGF) ("Grid" or the

"Company") is pleased to announce its participation at THE Mining Investment Event (“THE

Event”) taking place June 3 -5, 2025, at the Quebec Convention Centre, Quebec City,

Canada. THE Event hosts over 100 participating mining companies, is invitation only, and is

independently sponsored by the Government of Quebec and financial and mining

communities at large.

The Company looks forward to meeting shareholders, industry partners , and other

stakeholders at the conference. In particular , Grid is showcasing its active mining

exploration projects in Manitoba which include the Makwa Ni -Cu Property which is subject

to an Option and Joint Venture Agreement funded by Teck Resources Limited and its Falcon

West Property where the Company is focused on exploration for cesium. The Company has

submitted drill permits for both projects.

Appointment of Cesium Advisory Expert

Grid is pleased to announce the appointment of Austin Devaney of Li7 Charged as a cesium

advisory expert to Grid. Mr. Devaney has extensive experience in the cesium industry having

led the cesium business of global leader Albemarle, and prior to that, man aged sales to

industrial users of cesium.

Mr. Devaney will provide support for Grid’s cesium efforts at Falcon West, provide market

intelligence and help Grid a ssess the fairness of any pricing proposals received for cesium

ore, concentrates or other products generated at the project.

Manitoba Wildfire Update

The Company would like to update the market on the impact of the wildfires in the Lac du

Bonnet/Bird River area in southeastern Manitoba. The wildfires have affected many

residents and businesses in the area , including Grid Metals. There is currently no public

access to the Company’s Makwa, Mayville and Donner properties as the fire danger remains

a significant factor. The roads to the area remain closed due to the fire danger. The

Company would like to thank the tireless efforts of emergency personnel and fire crews for

their efforts to contain the fires and preserve infrastructure in the area.

On Behalf of the Board of Grid Metals Corp.

For more information about the Company, please see the Company website at

www.gridmetalscorp.com or contact:

Robin Dunbar - President, CEO & Director Telephone: 416-955-4773

Email: [email protected]

Brandon Smith – Chief Development Officer – [email protected]

David Black - Investor Relations Email: [email protected]

About Grid Metals Corp.

Grid Metals is focused on exploration and development in southeastern Manitoba with four

key projects in the Bird River area.

1) The Makwa Property (Ni-Cu-PGM-Co), which is subject to an Option and Joint

Venture Agreement with Teck Resources Limited (“Teck”). Teck can earn up to a 70%

interest in Makwa by incurring a total of CAD$17.3 million, comprising project

expenditures (CAD$15.7 million) and cash payments or equity participation

(CAD$1.6 million) with Grid. Makwa is located on the south arm of the Bird Ri ver

Greenstone Belt.

2) The Mayville Property (Cu -Ni) is located on the north arm of the Bird River

Greenstone Belt. The property is owned subject to a minority interest.

3) The Donner Property (Li-Cs) is adjacent to the Mayville Property, and Grid owns

75% of the project. Grid announced a cesium purchase agreement with Tanco on

February 18, 2025.

4) The Falcon West Property (Li-Cs) is located 110 km east of Winnipeg along the

Trans-Canada highway and contains highly anomalous cesium values in a number of

historical drill holes including 2.2 m at 15.0% Cs2O and 3.2 m at 4.6% Cs2O.

All of the Company’s southeastern Manitoba projects are located on the ancestral lands of

the Sagkeeng First Nation with whom the Company maintains an Exploration Agreement.

We seek safe harbour. This news release contains forward-looking statements within the meaning of

the United States Private Securities Litigation Reform Act of 1995 and forward -looking information

within the meaning of the Securities Act (Ontario) (togethe r, "forward -looking statements"). Such

forward-looking statements include the Company’s closing of the proposed financial transactions,

sale of royalty and property interests. the overall economic potential of its properties, the availability

of adequate financing and involve known and unknown risks, uncertainties and other factors which

may cause the actual results, performance or achievements expressed or implied by such forward-

looking statements to be materially different. Such factors include, among o thers, risks and

uncertainties relating to potential political risk, uncertainty of production and capital costs estimates

and the potential for unexpected costs and expenses, physical risks inherent in mining operations,

metallurgical risk, currency fluctuations, fluctuations in the price of nickel, cobalt, copper and other

metals, completion of economic evaluations, changes in project parameters as plans continue to be

refined, the inability or failure to obtain adequate financing on a timely basis, and other risks and

uncertainties, including those described in the Company's Management Discussion and Analysis for

the most recent financial period and Material Change Reports filed with the Canadian Securities

Administrators and available at www.sedar.com.

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

the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this

press release.