Neptune Wellness Solutions Inc. — Audit Report / Information 2021

Oct 7, 2021

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Autorité des marchés financiers September 28, 2021 Alberta Securities Commission British Columbia Securities Commission Financial and Consumer Affairs Authority of Saskatchewan Financial and Consumer Services Commission, New Brunswick The Manitoba Securities Commission Nova Scotia Securities Commission Nunavut Securities Office Office of the Superintendent of Securities, Northwest Territories Office of the Superintendent of Securities, Prince Edward Island Office of the Superintendent of Securities, Service Newfoundland and Labrador Office of the Yukon Superintendent of Securities Ontario Securities Commission

Re: Neptune Wellness Solutions Inc. Notice of Change of Auditor dated September 23, 2021

Dear Sirs/Mesdames:

Pursuant to National Instrument 51-102 (Part 4.11), we have read the above-noted Notice of Change of Auditor and confirm our agreement with the information contained in the Notice pertaining to our firm.

Yours sincerely,

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Ernst & Young LLP

c.c. The Board of Directors, Neptune Wellness Solutions Inc.

Société membre d’Ernst & Young Global Limited / A member firm of Ernst & Young Global Limited