Aritzia Inc. — Capital/Financing Update 2026

Jan 26, 2026

Osler, Hoskin & Harcourt LLP
Box 50, 1 First Canadian Place
Toronto, Ontario, Canada M5X 1B8
416.362.2111 MAIN
416.862.6666 FACSIMILE
OSLER

January 26, 2026

SENT BY SEDAR+

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TO: British Columbia Securities Commission (the “BCSC”), as principal regulator
Alberta Securities Commission
Ontario Securities Commission
The Manitoba Securities Commission
Financial and Consumer Services Commission (New Brunswick)
Office of the Superintendent of Securities, Service Newfoundland and Labrador
Nova Scotia Securities Commission
Office of the Superintendent of Securities, Government of Prince Edward Island
Financial and Consumer Affairs Authority of Saskatchewan
Northwest Territories Securities Office
Nunavut Securities Office
Office of the Superintendent of Securities, Yukon Territory

Dear Sirs and Mesdames:

Re: Aritzia Inc. (the “Issuer”) - Final Short Form Prospectus dated January 26, 2026 (the “Prospectus”)

We refer you to the final short form prospectus of the Issuer dated January 26, 2026 (the “Prospectus”), relating to the offering of 1,537,000 subordinate voting shares of the Issuer. In the Prospectus, reference is made to the name of this firm on the face page and under the heading “Legal Matters” and to the name and opinion of this firm under the heading “Certain Canadian Federal Income Tax Considerations” and “Eligibility for Investment”. We hereby consent to being named in the Prospectus and to the use of our opinion.

We also confirm that we have read the Prospectus and that we have no reason to believe that there are any misrepresentations (as defined in Canadian securities legislation) in the information contained in the Prospectus that are: (i) derived from our opinions referred to above, or (ii) within our knowledge as a result of the services we have performed in connection with our opinions referred to above.

Yours very truly,

“Osler, Hoskin & Harcourt LLP”

osler.com