X0708 D LIVE 0001642178 Grey Matters Health Inc. 400 - 601 WEST BROADWAY VANCOUVER A1 BRITISH COLUMBIA, CANADA V5Z 4C2 6043984175 BRITISH COLUMBIA, CANADA Algernon Health Inc. Algernon Pharmaceuticals Inc. Breathtec BioMedical, Inc. Corporation true Christopher Moreau 400 - 601 West Broadway Vancouver A1 BRITISH COLUMBIA, CANADA V5Z 4C2 Executive Officer Director Chief Executive Officer James Kinley 400 - 601 West Broadway Vancouver A1 BRITISH COLUMBIA, CANADA V5Z 4C2 Executive Officer Chief Financial Officer Christopher Bryan 400 - 601 West Broadway Vancouver A1 BRITISH COLUMBIA, CANADA V5Z 4C2 Executive Officer VP, Research & Operations Harry Bloomfield 400 - 601 West Broadway Vancouver A1 BRITISH COLUMBIA, CANADA V5Z 4C2 Director Raj Attariwala 400 - 601 West Broadway Vancouver A1 BRITISH COLUMBIA, CANADA V5Z 4C2 Director Howard Gutman 400 - 601 West Broadway Vancouver A1 BRITISH COLUMBIA, CANADA V5Z 4C2 Director Mark Williams 400 - 601 West Broadway Vancouver A1 BRITISH COLUMBIA, CANADA V5Z 4C2 Director Other Health Care Decline to Disclose 06b false 2026-06-17 true true true true true Units, each consisting of one Class A common share and one warrant. Each warrant is exercisable to purchase one Class A common share at C$0.60 for a period of 3 years from issuance. false 0 71200 28500 42700 Total Offering Amount = price of Units consisting of Class A common shares (100000 x $0.285|C$0.40) plus aggregate exercise price of the warrants (100000 x $0.427|C$0.60). No assurance that all warrants will be exercised prior to expiry on June 17, 2029. false 1 0 0 0 false Grey Matters Health Inc. /s/ James Kinley James Kinley Chief Financial Officer 2026-06-25