
INCORPORATED UNDER THE ALBERTA BUSINESS CORPORATIONS ACT SEE REVERSE FOR CERTAIN DEFINITIONS transferable on the books of the Company only upon surrender of this certificate properly endorsed. This certificate is not valid unless countersigned by the Transfer Agent and Registrar of the Company. IN WITNESS WHEREOF the Company has caused this certificate to be signed on its behalf by the facsimile signatures of its duly authorized officers. C0000000230 | M**SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*Fuel*Systems*Inc.*zero****SPECIMEN96090850700000000Westport*FueSPECIME**096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****096090850700000000Westport*Fuel*Systems*Inc.*zero****0960908507000000 * * * * * * Jul 08, 2026 00000000 Number Shares FULLY PAID AND NON-ASSESSABLE COMMON SHARES WITHOUT PAR VALUE IN THE CAPITAL OF IS THE REGISTERED HOLDER OF THIS CERTIFIES THAT Dated: The shares represented by this certificate are transferable at the offices of Computershare Trust Company of Canada in Vancouver, BC; Toronto, ON; Calgary, AB or at the offices of Computershare Trust Company, N.A. in Canton, MA and Jersey City, NJ. Westport Fuel Systems Inc. COUNTERSIGNED AND REGISTERED COMPUTERSHARE TRUST COMPANY, N.A. (CANTON, MA AND JERSEY CITY, NJ) TRANSFER AGENT AND REGISTRAR COUNTERSIGNED AND REGISTERED COMPUTERSHARE TRUST COMPANY OF CANADA (VANCOUVER) (TORONTO) (CALGARY) TRANSFER AGENT AND REGISTRAROR By _____________________________ Authorized Officer By ____________________________ Authorized Officer CEO CFO * * * * 0 * * * * * * * * * * * * * * 0 * * * * * * * * * * * * * * 0 * * * * * * * * * * * * * * 0 * * * * * * * * * * * * * * 0 * * * * * CUSIP 960908507 ISIN CA9609085076 Westport Fuel Systems Inc. C SA E _W IP_W PT Q _C 03.m tl.pulls/000001/000001/i

The shares represented by this certificate have rights, privileges, restrictions and conditions attached thereto and the Company will furnish to a shareholder, on demand and without charge, a full copy of the text of: (a) the rights, privileges, restrictions and conditions attached to each class authorized to be issued and to each series in so far as the same have been fixed by the directors; and (b) the authority of the directors to fix the rights, privileges, restrictions and conditions of subsequent series.