Plurilock Security Inc. — Regulatory Filings 2021

Sep 21, 2021

September 20, 2021

British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan Manitoba Securities Commission Ontario Securities Commission Financial and Consumer Services Commission (New Brunswick) Nova Scotia Securities Commission Office of the Superintendent of Securities Office (Prince Edward Island) Financial Services Regulation Division, Newfoundland & Labrador

Dear Sirs/Mesdames:

Re: Plurilock Security Inc. (the “Company”)

In connection with our engagement as auditor of the Company effective September 17, 2021, as required by National Instrument 51-102, we have reviewed the information contained in the Notice dated September 17, 2021 given by the Company to ourselves and Deloitte LLP, Chartered Professional Accountants.

Based on our information at this date, we agree with the statements set out in the Notice that relate to us and we do not agree or disagree with the statements contained in the Notice that relate to Deloitte LLP, Chartered Professional Accountants.

Yours very truly,

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MAZARS, LLP Chartered Professional Accountants

Mazars, LLP

6455 Jean-Talon Street East, Suite 601 Saint-Léonard (Québec) H1S 3E8 Canada Tel.: 514 845-9253 I Fax: 514 355-1630

26 Wellington Street East, Suite 300 Toronto, Ontario M5E 1S2 Canada Tel.: 1 877 845-9253 | Fax: 514 845-38599

215 Saint-Jacques Street, Suite 1200 Montréal (Québec) H2Y 1M6 Canada Tel.: 514 845-9253 I Fax: 514 845-3859

www.mazars.ca