Wellfield Technologies Inc. — Capital/Financing Update 2022

Jun 3, 2022

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June 3, 2022

By SEDAR

British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan The Manitoba Securities Commission Autorité des marchés financiers Ontario Securities Commission Nova Scotia Securities Commission Financial and Consumer Services Commission (New Brunswick) Office of the Superintendent of Securities (Prince Edward Island) Office of the Superintendent of Securities Service Newfoundland and Labrador Office of the Superintendent of Securities (Yukon Territory) Northwest Territories Securities Office Nunavut Securities Office

Dear Sirs/Mesdames:

Re: Pricing Supplement No. 2784 dated June 3, 2022 (the “Supplement”) to the Short Form Base Shelf Prospectus dated March 4, 2022 and the Prospectus Supplement thereto dated March 4, 2022 of the Bank of Nova Scotia (the “Bank”)

We refer you to the Supplement relating to the offering of up to $30,000,000 (300,000 Notes) BNS Canadian Index (AR) Callable Contingent $7.92 Coupon Notes, Series 42F (CAD), due July 9, 2029, Principal at Risk Notes.

We consent to the use of our firm name and the reference to our legal opinion in Appendix B “ Certain Canadian Federal Income Tax Considerations ” of the Supplement, which opinion is provided as of the date of the Supplement.

We have read the Supplement and have no reason to believe that there are any misrepresentations in the information contained in the Supplement that are (i) derived from our legal opinion provided in the Supplement, or (ii) within our knowledge as a result of the services performed by us in connection with such opinion.

Yours truly,

“ Stikeman Elliott LLP ”