Notice-and-Access

The Canadian securities regulators have adopted rules which permit the use of notice-and-access for proxy solicitation instead of the traditional physical delivery of material. This new process provides the option to post meeting related materials including management information circulars, as well as annual financial statements and management’s discussion and analysis on a website in addition to SEDAR. Under notice-and-access, meeting related materials will be available for viewing for up to 1 year from the date of posting and a paper copy of the material can be requested at any time during this period.

CannTrust Holdings Inc. has elected to utilize notice-and-access and provide you with the following information: Meeting Date and Time: May 22, 2018 at 2:00 p.m. EST

Meeting Location: Homewood Suites by Hilton Toronto Vaughan, 618 Applewood Crescent, Vaughan Meeting materials are available electronically at www.sedar.com and also on https://canntrust.ca/.

If you wish to receive a paper copy of the Meeting Materials, they will be sent within three business days of your request, if such requests are made before the Meeting date. To ensure you receive the Meeting Materials in advance of the voting deadline and Meeting date, your request should be provided to the Corporation as soon as possible.

Please follow the instructions accompanying the Voting Instruction Form you receive with respect to returning it.

Disclosure regarding matters to be voted on may be found in the following Sections of the Information Circular.

1. Election of Directors 2. Appointment of Auditors

You should review the Information Circular before voting.

www.tsxtrust.com VANCOUVER CALGARY TORONTO MONTRÉAL

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Request for Financial Statements

(Detach and Retain top for your records) CannTrust Holdings Inc. (“Corporation”) 2018

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In accordance with National Instrument 51-102 – Continuous Disclosure Obligations, registered and beneficial security holders may elect annually to receive a copy of our annual financial statements and corresponding management discussion and analysis (“MD&A”) or interim financial statements and the corresponding MD&A, or both.

Rather than receiving the financial statements by mail, you may choose to view these documents on the SEDAR website at www.sedar.com.www.sedar.com.

IF YOU WISH TO RECEIVE THESE DOCUMENTS BY MAIL, PLEASE Rather than receiving the financial statements by mail, you may choose to view these DETACH THIS PORTION AND RETURN THIS COMPLETED FORM TO : documents on the SEDAR website at www.sedar.com.www.sedar.com. TSX Trust Company I HEREBY CERTIFY that I am a registered and/or beneficial holder of the Corporation, and as such, 301 - 100 Adelaide Street West request that my name be placed on the Corporation’s Mailing List in respect to its annual and/or interim Toronto ON M5H 4H1 financial statements and the corresponding MD&A for the current financial year. Or by fax to: 416-595-9593 Please send me:  Annual Financial Statements with MD&A  Interim Financial Statements with MD&A

FIRST NAME LAST NAME ADDRESS CITY PROVINCE/STATE POSTAL/ZIP CODE COUNTRY

Signature of Security holder DATE (MM/DD/YYYY)