Exchange: TSX Venture June 8,, 2018

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For Immediate Release

Exchange: TSX Venture

June 8,, 2018

Toronto, Ontario

Symbol:GRDM

Shares Outstanding: 42,116,610

MUSTANG NAME CHANGES TO GRID METALS CORP.

Toronto, CANADA – June 8, 2018 – The Board of Directors of Mustang Minerals Corp. (“Mustang”)

announces that pursuant to a shareholders resolution approved March 9, 2018 , Mustang Minerals Corp.

(TSX-V: MUM) has changed its name to Grid Metals Corp. (“Grid”) . Grid will begin trading on the

TSX Venture Exchange Inc. under the symbol GRDM effective June 8, 2018. The common shares of

Mustang Minerals Corp. will be delisted. There were be no consolidation of cap ital and all of the

common shares, warrants and options of Mustang will convert into equivalent securities of Grid.

The CUSIP number of the Grid Metals Corp. is 39814L107. A Letter of Transmittal will be mailed to

shareholders who hold shares in cer tificate form. The TSXV issued a name change bulletin on June 6,

2018.

Company President and CEO Robin Dunbar commented, “ We believe that the name change to Grid

will reflect the focus of Company’s property portfolio and its strong weighting on the k ey battery

metals notably nickel.” “Our Manitoba Bird River portfolio provides exposure in addition to nickel to

copper, lithium, platinum group metals and cobalt in a global environment of increasing demand,

strengthening prices and market focus on these key commodities,” he added.

About Grid Metals Corp.

Grid owns the mineral rights to the Makwa Nickel Property and the Mayville Property both located in the Bird

River Greenstone Belt in southeast Manitoba. The Company completed a PEA on the Makwa -Mayville Project

in 2014. In 2018 the Company acquired the Mayville Lithium Property from Tantalum Mining Corporation of

Canada Ltd and a drill program is underway targeting a lithium an d rare metal bearing pegmatite, one of four

known on the property. The Company also controls mineral rights at the East Bull Lake Property west of

Sudbury prospective for PGM and the Bannockburn Nickel Property near Matachewan, Ontario.

To find out more about Grid Metals Corp. (TSX-V: GRDM)

visit our website at www.gridmetalscorp.com or:

Telephone: 416-955-4773 email: [email protected]

We seek safe harbour.

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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) (together, “forward -

looking statements”). Such forward -looking statements may include th e Company’s plans for its mineral projects in

Manitoba, 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, perfor mance or achievements expressed

or implied by such forward -looking statements to be materially different. Such factors include, among others, risks and

uncertainties relating to potential political risk, uncertainty of production and capital costs estimat es and the potential for

unexpected costs and expenses, physical risks inherent in mining operations, currency fluctuations, fluctuations in the price

of nickel and other metals, completion of economic evaluations, changes in project parameters as plans c ontinue to be

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

those described in the Company’s Management Discussion and Analysis for the most recent financial period and Materi al

Change Reports filed with the Canadian Securities Administrators and available at www.sedar.com.

Neither the TSX Venture Exchange nor it 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.