Plurilock Security Inc. — Regulatory Filings 2021

Sep 21, 2021

Deloitte LLP 939 Granville Street Vancouver, BC V6Z 1L3 Canada

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Tel: 604-669-4466 Fax: 778-374-0496 www.deloitte.ca

September 20, 2021

Private and confidential

To: 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:

As required by subparagraph (5)(a)(ii) of section 4.11 of National Instrument 51-102, we have reviewed the change of auditor notice of Plurilock Security Inc..(the “Company”) dated September 17, 2021 (the “Notice”) and, based on our knowledge of such information at this time, we are in agreement with statements (1), (3) and (4) as it relates to Deloitte LLP. We have no basis to agree nor disagree with statement (2) contained in the Notice.

Yours very truly,

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Chartered Professional Accountants