Reeflex Solutions — Regulatory Filings 2021

May 14, 2021

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By SEDAR Filing May 14, 2021

British Columbia Securities Commission Alberta Securities Commission Ontario Securities Commission

To whom it may concern:

Re: Bigstack Opportunities I Inc. (the “Issuer”) Filing Type: Long Form Prospectus

We refer to the Long Form Prospectus (the “Prospectus”) of Bigstack Opportunities I Inc. (the “Corporation”) dated May 14, 2021 relating to its public offering of common shares.

We hereby consent to the reference to our name on the fourth cover page of the Prospectus and on page 32 of the Prospectus under the heading “Relationship Between the Issuer and Professional Persons”. We confirm that we have read the Prospectus and that we have no reason to believe that there are any misrepresentations in the information contained in the Prospectus that is derived from our opinion or is within our knowledge as a result of the services we performed in connection with such opinion.

Yours very truly,

(Signed) “ LaBarge Weinstein LLP”