COMPANY NAME

United States

Added Value LLC

AKQA, Inc.

Mirum LLC

Possible Worldwide, LLC

A. Eicoff & Company, Inc.

Acceleration eMarketing Inc

Action Exchange, LLC

ARCTOUCH LLC

Benenson Strategy Group, LLC

Bottle Rocket LLC

Burson-Marsteller, LLC

Catalyst Online LLC

CHI Wunderman Partnership LLC

CMI Media, LLC

Competitive Media Reporting, LLC

DeepLocal Inc.

Essence Global LLC

Finsbury LLC

Grey Global Group LLC

Group M Worldwide, LLC

Group SJR LLC

GTB Agency, LLC

Hill and Knowlton Strategies, LLC

Hogarth Worldwide Inc.

International Meetings & Science LLC

J. Walter Thompson Company LLC

J. Walter Thompson U.S.A., LLC

Kantar Health LLC

Kantar LLC

Kantar Retail, LLC

KBM Group LLC

Landor, LLC

Lightspeed, LLC

Marketing Direct LLC

Marketplace Ignition, LLC

Mediacom Worldwide LLC

Metavision Media, LLC

Ogilvy Commonhealth Worldwide LLC

Ogilvy Public Relations Worldwide LLC

Penn, Schoen & Berland Associates, LLC

COMPANY NAME

PERQ/HCI, LLC

Pierry, Inc

Possible Mobile, LLC

Promotion Execution Partners, LLC

Rasor Holdings LLC

RB/TDM Holdings, LLC

Rockfish Interactive LLC

Spafax Networks LLC

Sudler & Hennessey, LLC

Swift + POSSIBLE LLC

Taxi Inc.

Team Garage LLC

The Exchange Lab Inc

The Futures Company Worldwide LLC

The Glover Park Group, LLC

The Lacek Group LLC

The Ogilvy Group, LLC

The Seattle Wunderman Network, LLC

Viscira, LLC

Wavemaker Global LLC

WPP Clapton Square, LLC

WPP Group Holdings Corp. II

WPP Group U.S. Finance LLC

WPP Group USA, Inc

WPPIH 2001, Inc.

Wunderman Data Management, LLC

Xaxis US, LLC

Xaxis, LLC

Young & Rubicam LLC

Reese Communications Companies, Inc.

VML, LLC

Wunderman Worldwide, LLC

Geometry Global LLC

GHG GreyHealth Group LLC

GWE LLC

Mindshare USA, LLC

Ogilvy & Mather Worldwide, LLC

WPP Montagu Square LLC

SET Management, LLC

Public Strategies, Inc.

COMPANY NAME

Non-US

MindShare Argentina S.A.

Active Sites Alive Pty Limited

M Media Group Pty Ltd

Mediacom Australia Pty Limited

Ogilvy & Mather (Sydney) Pty Limited

Ogilvy Public Relations Worldwide Pty Limited

Taylor Nelson Sofres Australia Pty Limited

The Brand Agency Pty Limited ATF Brand Agency Unit Trust

Wavemaker Australia Pty Limited

WPP AUNZ LIMITED

MediaCom – die Kommunikationsagentur GmbH

J Walter Thompson Middle East and North Africa E.C.

GroupM Belgium SA

FBIZ Comunicacao Ltda

GPAT S.A.—Propaganda e Publicidade

IBOPE Monitor de Meios Publicitários Ltda.

IBOPE Monitor de Verificação Publicitária Ltda

J Walter Thompson Publicidade Ltda

KANTAR IBOPE Participações Ltda.

KANTAR IBOPE Pesquisa de Mídia Ltda.

Maristela Mafei Participações S.A.

Mídia 123 Serviços de Publicidade Via Internet Ltda.

Ogilvy & Mather Brasil Comunicação Ltda

WPP Ideal Participações Ltda

WPP Pmweb Participações Ltda

Y&R Propaganda Ltda

Blast Radius Inc.

Entreprise de Communications Tank Inc.

J. Walter Thompson Company Limited La Compagnie J. Walter Thompson Limitee

Mediacom Canada

MindShare Canada

Wavemaker Canada Inc.

WPP Group Canada Finance, Inc.

Always (Shanghai) Marketing Services Co Ltd

Beijing Benpao Century Technology Development Co., Ltd.

Neo@ogilvy

Blue Hive Shanghai Advertising Co Ltd

GroupM (Shanghai) Advertising Co. Ltd

GroupM Market Advertising Co. Ltd.

COMPANY NAME

Guangzhou Dawson Marketing Communication Co. Ltd

Hill & Knowlton (China) Public Relations Co Ltd

J.Walter Thompson Bridge Advertising Co. Ltd.

Kinetic Advertising (Shanghai) Co. Ltd

Millward Brown ACSR Co. Ltd

Shanghai Easycom Advertising Co., Ltd.

Shanghai Linjie Marketing Services Co. Ltd.

Shanghai Ogilvy & Mather Advertising Ltd

Sinotrust International Information & Consulting (Beijing) Co. Ltd.

MediaCom Praha s.r.o.

WAVEMAKER Czech s.r.o.

Dis/Play AS

MediaCom Danmark A/S

Millward Brown ApS

WPP Holding Denmark A/S

Wunderman A/S

CT Finances SA

Kantar SAS

KR MEDIA France SAS

MEC SAS

Mediacom Paris SA

Ogilvy & Mather S.A.S

Regional Management Group SAS

Sofres Asia Pacific SAS

Taylor Nelson Sofres SAS

Commarco GmbH 120274

EMNID Gesellschaft mit beschränkter Haftung

Essence Global Germany GmbH

Geometry Global GmbH

GREY Düsseldorf GmbH

GroupM Competence Center GmbH

HERING SCHUPPENER Healthcare Unternehmensberatung für Gesundheitskommunikation GmbH

Hirschen Group GmbH

Kantar Deutschland GmbH

Kantar Live GmbH

Mather Direct GmbH

MediaCom Agentur für Media-Beratung GmbH

Mindshare GmbH

PATH GmbH

plista GmbH

Syzygy AG

COMPANY NAME

Wavemaker GmbH

WPP Deutschland Holding GmbH & Co. KG

WPP Marketing Communications Germany GmbH

Young & Rubicam Group Germany GmbH

Agenda Group (Asia) Limited

BATES CHINA LIMITED

GroupM Limited

MindShare Hong Kong Limited

Ogilvy & Mather Marketing Communications Limited

Wavemaker Hong Kong Limited

WPP Marketing Communications (Hong Kong) Limited

AnalyticsQuotient Services India Private Limited

Encompass Events Private Ltd

GroupM Media India Pvt Ltd

Hindustan Thompson Associates Private Limited

MediaCom Communications Pvt Ltd

Mediaedge:cia India Pvt Ltd

Ogilvy & Mather Pvt Ltd

TNS India Private Limited

Millward Brown Ireland Ltd

WPP Ireland Limited

FAST Srl

GroupM Srl

Mediacom Italia Srl

Mindshare SpA

Sentrix Global Health Communications Srl

Wavemaker Italia S.r.l.

Wavemaker Maxus S.r.l.

Xtel Srl

Geometry Global Japan GK

GroupM Japan KK

J Walter Thompson Japan GK

WPP Scangroup Limited

WPP Luxembourg Gamma Three Sarl

WPP Luxembourg Sarl

WPP Business Services Sdn. Bhd.

WPP Marketing Communications (Malaysia) Sdn Bhd

MindShare de México, S.A. de C.V.

Mirum, S.A. de C.V.

The GroupM ESP Clever Company S.R.L. de C.V.

The GroupM ESP Trading Company, S.R.L. de C.V.

COMPANY NAME

Worldwide Mediacom México, S.A. de C.V.

WPP México, S. de R.L. de C.V.

Berkeley Square Holding BV

Cavendish Square Holding BV

Greenhouse Group B.V.

GroupM B.V.

Lightspeed Research B.V.

MediaCom B.V.

Millward Brown/Centrum BV

Russell Square Holding BV

Taylor Nelson Sofres BV

WPP Purgos Two B.V.

WPP Square one B.V

WPP Holdings (New Zealand) Limited

MediaCom AS (Norway)

GroupM Pakistan (Private) Ltd

Memac Ogilvy & Mather Holding Inc.

MediaCom—Warszawa Sp.z.o.o.

MindShare Polska Sp. z.o.o.

Wavemaker Sp.z.o.o

M/SIX, Lda.

Mediaedge:CIA—Servicos Publicitarios Ltda

Diamond Ogilvy LLC

Kantar Korea Ltd

LLC ‘GroupM’

LLC ‘MEC’

LLC ‘Mindshare’

Mediacom LLC (Russia)

Mindshare For Advertising and Promotion Company L.L.C (Moshaarakat Al Ryee)

GroupM Asia Pacific Holdings Pte Ltd

GroupM Singapore Pte Ltd

Ogilvy & Mather (Singapore) Private Ltd

Grey Group South Africa (Proprietary) Limited

Kantar South Africa (Pty) Limited

Mindshare South Africa (Gauteng) (Proprietary) Limited

Ogilvy and Mather Johannesburg (Proprietary) Limited

Wavemaker (Pty) Ltd

GroupM Publicidad Worldwide SA

Kantar Media S.A.

Maxus Spain SL

Mediacom Iberia SA

Mindshare Spain SA

Taylor Nelson Sofres S.A. (in Spain)

The Cocktail Global, S.L.

COMPANY NAME

WPP Holdings Spain, S.L.

WPP SERVICES SPAIN SL

TNS Sifo AB

Mediacom AG

Wavemaker Taiwan Ltd

WPP (Thailand) Ltd

MediaCom Istanbul Medya Hizmetleri A.S.

Mindshare Medya Hizmetleri A.S.

Wavemaker İletişim Planlama Hizmetleri Limited Şirketi

Asdaa Advertising FZ LLC

MEC MENA FZ LLC

Memac Ogilvy & Mather LLC

Mindshare Advertising LLC

Added Value Limited

AKQA Limited

Beaumont Square

Chi & Partners Limited

Cognifide Limited

Cordiant Communications Group Limited

Design Bridge Limited

Dialogue Marketing Partnership Limited

EffectiveBrands Limited

Enduring Organisation Three

Essence Global Group Limited

G2 Branding and Design Limited

GMT+0 Limited

Grey Advertising Limited

GroupM UK Digital Limited

GROUPM UK Ltd

Hill & Knowlton Limited

Hogarth Worldwide Limited

J. Walter Thompson Group Limited

Kantar Media UK Ltd

Kantar Retail UK Limited

Kantar UK Limited

Kinetic Worldwide Limited

KR Media UK Limited

Lightspeed Research Ltd

COMPANY NAME

Maxus Communications (UK) Limited

MediaCom Group Limited

Mediacom North Limited

Mediaedge:CIA Worldwide Limited

Millward Brown UK Limited

Mindshare Media UK Limited

Mortimer Square Limited

Motion Content Group Limited

MSIX Communications Limited

Newcrosse Limited

Ogilvy & Mather Group (Holdings) Limited

Ogilvyone Business Limited

Outrider Limited

Potato London Ltd

Precise Media Monitoring Limited

Research International Group Limited

Salmon Limited

SCI Scientific Communications and Information UK Ltd

Spafax Airline Network Limited

Stickleback Limited

Superunion Limited

The Finsbury Group Limited

TNS Group Holdings Limited

TNS-NFO US

Wavemaker Global Limited

Wavemaker Limited

WPP 2005 Limited

WPP AMC Holdings

WPP Beans Limited

WPP Finance Co. Limited

WPP Group (UK) Ltd

WPP Investments Limited

WPP Jubilee Limited

WPP Ottawa Ltd

WPP Sparkle Limited

WPP Unicorn Limited

Young & Rubicam Development (Holdings) Limited

Young & Rubicam Group Limited

Young & Rubicam Holdings (UK) Limited

WPP Media Ltd