DEFSEC TECHNOLOGIES — Regulatory Filings 2022

Sep 12, 2022

QUALIFICATION CERTIFICATE AS REQUIRED BY NATIONAL INSTRUMENT 44-101

KWESST Micro Systems Inc.

I, Steven Archambault, the Chief Financial Officer of KWESST Micro Systems Inc. (the “ Issuer ”), hereby certifies that the Issuer satisfies the following criteria set out in Section 2.2 of National Instrument 44-101 Short Form Prospectus Distributions (“ NI 44-101 ”) (capitalized terms utilized hereafter have the meanings assigned thereto in NI 44-101):

• (a) the Issuer is an electronic filer under National Instrument 13-101 - System for Electronic Document Analysis and Retrieval (SEDAR) ;

• (b) the Issuer is a reporting issuer in at least one jurisdiction of Canada;

• (c) the Issuer has filed with the securities regulatory authority in each jurisdiction in which it is a reporting issuer all periodic and timely disclosure documents that it is required to have filed in that jurisdiction

  • (i) under applicable securities legislation;

  • (ii) pursuant to an order issued by the securities regulatory authority, or

  • (iii) pursuant to an undertaking to the securities regulatory authority, as applicable;

• (d) the Issuer has, in at least one jurisdiction in which it is a reporting issuer,

  • (i) current annual financial statements; and

  • (ii) a current annual information form;

• (e) the Issuer’s equity securities are listed and posted for trading on the TSX Venture Exchange, and the Issuer is not an issuer

  • (i) whose operations have ceased, or

  • (ii) whose principal asset is cash, cash equivalents, or its exchange listing.

I also certify that all of the material incorporated by reference in the preliminary short form base PREP prospectus of the Issuer has been previously filed.

(Signature page follows)

321890.00018/118969165.3

DATED this 12[th] day of September, 2022.

KWESST MICRO SYSTEMS INC.

By: “Steven Archambault”

Name: Steven Archambault Title: Chief Financial Officer

[ Signature Page – 44-101 Qualification Certificate ]