Doman Building Materials Group — AGM Information 2020

Feb 28, 2020

February 28, 2020

Nova Scotia Securities Commission Alberta Securities Commission Manitoba Securities Commission Ontario Securities Commission Superintendent of Securities, Prince Edward Island

Securities Commission of Newfoundland and Labrador Saskatchewan Financial and Consumer Affairs Authority New Brunswick Financial and Consumer Services Commission British Columbia Securities Commission Autorité des marchés financiers

RE: CanWel Building Materials Group Ltd.

Pursuant to a request from the above-mentioned reporting issuer, we wish to advise you of the following information in connection with its Annual Meeting of Shareholders:

Date of meeting:	May 14, 2020
Record date for notice:	March 24, 2020
Record date for voting:	March 24, 2020
Beneficial ownership determination date:	March 24, 2020
Securities entitled to notice:	Common
Securities entitled to vote:	Common
Issuer mailing directly to non-objecting beneficial owners:	Yes
Issuer will pay for objecting beneficial owner material distribution:	No
Issuer using notice-and-access for registered investors:	No
Issuer using notice-and-access for non-registered investors:	No
Notice-and-access stratification criteria:	No

Sincerely,

Trust Central Services AST Trust Company (Canada)