Publicis Groupe Proposes to Acquire Chemistry Through a Recommended Cash Offer

PARIS, January 26, 2011 - Publicis Groupe (EURONEXT Paris: FR0000130577) today announced
it has reached an agreement with Chemistry Communications Group plc
("Chemistry") on the terms of a recommended cash offer to acquire the whole
of the issued and to be issued ordinary share capital of Chemistry. Publicis
Groupe will pay Chemistry shareholders 37p per share, in a transaction valued
at approximately GBP14.45 million. The Chemistry Board of Directors is
recommending that its shareholders accept the offer.

Chemistry is one of the leading independent integrated
communications agencies in the UK. It specialises in integrated marketing
services with a strong emphasis on digital communications. Chemistry's
services include advertising, digital strategy and marketing, direct
marketing and promotional marketing.

The acquisition of Chemistry represents an attractive
opportunity for Publicis Groupe to enhance its expertise and proposition in
the UK market, particularly in the fields of digital customer relationship
management and data analytics. It also provides Chemistry with the
opportunity to leverage Publicis Worldwide's global network to service its
existing international clients and expand its offering into end markets in
which it is not currently present. The resulting enlarged group in the UK
will provide a powerful platform to continue to attract and retain leading
talent from across the industry.

The full offer document is available on the Publicis Groupe
website (www.publicisgroupe.com) in the Investor Relations section
under the Regulatory Documents tab.

About Publicis Groupe

Publicis Groupe (listed on the Euronext Paris Exchange -
FR0000130577 - and part of the CAC 40 index) is the world's third largest
communications group. With activities spanning 104 countries on five
continents, Publicis Groupe offers local and international clients a complete
range of advertising services through three global advertising networks, Leo
Burnett, Publicis, Saatchi & Saatchi, and numerous agencies including Fallon,
49%-owned Bartle Bogle Hegarty, and Kaplan Thaler Group. VivaKi combines
digital and media expertise, allowing to connect with consumers in a holistic
way, with Starcom MediaVest Group and ZenithOptimedia worldwide media
networks; and interactive and digital marketing led by Digitas and Razorfish
networks. VivaKi develops new services, tools, and next generation digital
platforms. Publicis Groupe's specialized agencies and marketing services
offer healthcare communications with Publicis Healthcare Communications Group
(PHCG, the first network in healthcare communications), sustainability
communications and multicultural communications. With MSLGROUP, one of the
world's top five PR and Events networks, expertise ranges from corporate and
financial communications to public relations and public affairs, branding,
social media marketing and events.

Web site: www.publicisgroupe.com

About Chemistry

Chemistry was established in August 2000 and began trading on
the London PLUS Stock Exchange in January 2001. The agency employs nearly 180
communications specialists, and comprises three UK agencies: the headquarters
and main agency in London, Bearpark, a publishing and events company
specialising in IT and its digital specialist agency based in Nottingham. The
group has established a growing reputation for its ability to deliver
integrated marketing services with a digital specialism, in particular online
relationship marketing programmes, digital communications, large scale
website design and builds as well as advertising, direct marketing and
promotional marketing. Clients include Diageo, Kraft, Unilever, Emirates,
Orange, Experian, Tesco, Premier Foods and SCA Hygiene, McNeil Nutritionals
and Novartis.

Web site: www.chemistrygroup.co.uk

Contacts: Publicis Groupe, Martine Hue, Investor Relations: +33(0)1-44-43-65-00; Peggy Nahmany, Corporate Communication: +33(0)1-44-43-72-83; Chemistry: Claire Billings, Marketing & PR +44(0)207-751-3517, +44(0)7710-404775