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We consent to the incorporation by reference in the Form S-8’s (Nos. 333-226895, 333-212261, 333-176059, 333-265600, and 333-270335) and Form S-3 (No. 333-260202) of our report dated March 6, 2023 (March 11, 2024 as to the effects of the restatement discussed in Note 21), relating to the financial statements and the related notes and schedules listed in the Index at Item 15 of Stagwell Inc. (the “Company”) and our report dated March 6, 2023 relating to the effectiveness of the Company’s internal control over financial reporting (which report expresses an adverse opinion on the effectiveness of the Company's internal control over financial reporting because of material weaknesses), appearing in this Annual Report on Form 10-K for the year ended December 31, 2022.