EXHIBIT 21

The Interpublic Group of Companies, Inc.

Our principal subsidiaries as of December 31, 2022 are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary under Rule 1-02(w) of Regulation S-X.

Company Name						State (U.S.)
Acxiom LLC						Delaware
Business Science Research Corporation						Delaware
Carmichael Lynch, Inc.						Minnesota
Chase Design Holdings, LLC						Delaware
DeVries Public Relations, Ltd.						New York
FCBCure, LLC						New Jersey
Genuine Interactive, LLC						Massachusetts
Gillespie, LLC						Delaware
Huge, LLC						New York
Independent Advertising, LLC						Delaware
IPG Asia & Oceania LLC						Delaware
IPG Health, LLC						Delaware
Lowe & Partners Worldwide Inc.						Delaware
Lowe Group Holdings, Inc.						New York
Mediahub Minneapolis, LLC						Minnesota
McCann-Erickson Marketing, Inc.						New York
McCann-Erickson USA, Inc.						Delaware
McCann-Erickson Worldwide, Inc.						Delaware
McCann Health North America, LLC						New Jersey
McCann Relationship Marketing, LLC						Delaware
Mediabrands Worldwide, Inc.						California
Momentum Events LLC						Delaware
Octagon, Inc.						District of Columbia
Reprise Media, Inc.						Delaware
True North Communications Inc.						Delaware
Universal McCann Worldwide, LLC						Delaware
Company Name						Country
Interpublic Group Deutschland GmbH						Germany
Interpublic Group of Companies de Espana, S.L.						Spain
Interpublic Holding Company, S.A. de C.V.						Mexico
Interpublic Limited						United Kingdom
IPG Advertising Israel Holdings Ltd						Israel
Kinesso Corp.						Canada
Orion Trading Canada Inc.						Canada
The Interpublic Group of Companies Canada, Inc.						Canada