Exhibit 99.1

 

April 11, 2022

·Nova Scotia Securities Commission	·Securities Commission of Newfoundland and Labrador
·Alberta Securities Commission	·Saskatchewan Financial and Consumer Affairs Authority
·Manitoba Securities Commission	·New Brunswick Financial and Consumer Services Commission
·Ontario Securities Commission	·British Columbia Securities Commission
·Superintendent of Securities, Prince Edward Island	·Autorité des marchés financiers

RE: Pyrogenesis Canada Inc.

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

Date of meeting:	June 21, 2022
Record date for notice:	May 6, 2022
Record date for voting:	May 6, 2022
Beneficial ownership determination date:	May 6, 2022
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:	Yes
Issuer using notice-and-access for registered investors:	Yes
Issuer using notice-and-access for non-registered investors:	Yes
Notice-and-access stratification criteria:	No

Sincerely,

Trust Central Services

TSX TRUST COMPANY

1 Toronto Street Suite 1200 Toronto, ON M5C 2V6 T 416.682.3800     TSXTRUST.COM