KPMG LLP PO Box 10426 777 Dunsmuir Street Vancouver, BC V7Y 1K3 Canada Telephone:(604) 691-3000 Fax: (604) 691-3031 Internet: www.kpmg.ca

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors of Westport Fuel Systems Inc.

We consent to the use of our reports, each dated March 22, 2018, with respect to the consolidated financial statements and the effectiveness of internal control over financial reporting included in this annual report on Form 40-F.

We also consent to the incorporation by reference of such reports in the Registration Statements (Nos. 333-165812, 333-168847, and 333-211726) on Form S-8 and (No. 333-207523) on Form F-4/A of Westport Fuel Systems Inc.

/s/ KPMG LLP

Chartered Professional Accountants

March 22, 2018

Vancouver, Canada

KPMG LLP is a Canadian limited liability partnership and a member firm of the KPMG
network of independent member firms affiliated with KPMG International Cooperative
(“KPMG International”), a Swiss entity.
KPMG Canada provides services to KPMG LLP.