X0708 D LIVE 0001889823 DEFSEC Technologies Inc. 80 HINES ROAD, SUITE 300 OTTAWA A6 ONTARIO, CANADA K2K 2T8 613-241-1849 BRITISH COLUMBIA, CANADA None KWESST Micro Systems Inc. Corporation true Sean Homuth 80 HINES RD, SUITE 300 OTTAWA A6 ONTARIO, CANADA K2K 2T8 Director Executive Officer Jennifer Welsh 80 HINES RD, SUITE 300 OTTAWA A6 ONTARIO, CANADA K2K 2T8 Executive Officer Harry Webster 80 HINES RD, SUITE 300 OTTAWA A6 ONTARIO, CANADA K2K 2T8 Executive Officer Elisabeth Preston 80 HINES RD, SUITE 300 Ottawa A6 ONTARIO, CANADA K2K 2T8 Executive Officer David E. Luxton 80 HINES RD, SUITE 300 OTTAWA A6 ONTARIO, CANADA K2K 2T8 Director James Yersh 80 HINES RD, SUITE 300 OTTAWA A6 ONTARIO, CANADA K2K 2T8 Director Rick Hillier 80 HINES RD, SUITE 300 OTTAWA A6 ONTARIO, CANADA K2K 2T8 Director Paul Fortin 80 HINES RD, SUITE 300 OTTAWA A6 ONTARIO, CANADA K2K 2T8 Director Niel Marotta 80 HINES RD, SUITE 300 OTTAWA A6 ONTARIO, CANADA K2K 2T8 Director David Ibbetson 80 HINES RD, SUITE 300 Ottawa A6 ONTARIO, CANADA K2K 2T8 Director Other Decline to Disclose 06b false 2026-06-26 true true true Warrants and Placement Agent Warrants exerciseable for up to 5 years from offering date. false 0 H.C. Wainwright & Co., LLC 000000375 None None 430 Park Avenue, 4th Floor New York NY NEW YORK 10022 NY NEW YORK IL ILLINOIS 2243564 0 2243564 Total remaining to be sold represents maximum potential exercise price of Warrants at an exercise price of $3.09 and Placement Agent Warrants at an exercise price of $3.29. C$1.4221=US$1.00. false 5 132750 0 C$1.4221=US$1.00 0 false DEFSEC Technologies Inc. /s/ Jennifer Welsh Jennifer Welsh Chief Financial Officer 2026-07-09