PricewaterhouseCoopers LLP 1250 René-Lévesque Boulevard West, Suite 2500, Montréal, Quebec, Canada H3B 4Y1 T: +1 514 205 5000, F: +1 514 876 1502, ca_montreal_main_fax@pwc.com “PwC” refers to PricewaterhouseCoopers LLP, an Ontario limited liability partnership. Consent of Independent Registered Public Accounting Firm We hereby consent to the incorporation by reference in the Registration Statement on Form F-10 of Lightspeed Commerce Inc. of our report dated May 18, 2023 relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears in Exhibit 99.3 to Lightspeed Commerce Inc.’s Annual Report on Form 40-F for the year ended March 31, 2023. We also consent to the reference to us under the heading, “Interests of Experts”, which appears in the Annual Information Form for the year ended March 31, 2023 and filed as Exhibit 99.1 to Lightspeed Commerce Inc’s Annual Report on Form 40-F, which is incorporated by reference in such Registration Statement. /s/PricewaterhouseCoopers LLP Montréal, Canada May 19, 2023