Early Warning Notice

KOS (TSX)

QUEBEC CITY, June 10 /PRNewswire-FirstCall/ - On June 10, 2009, Mr. Claude
Lessard (the "Offeror"), Chairman, Chief Executive Officer and President,
acquired direct ownership of an aggregate of 800 Subordinate Voting Shares of
Cossette Inc. ("Cossette" or the "Company"), at a price of $3.36 per share.
The Subordinate Voting Shares acquired represent 0.008% of the issued and
outstanding Subordinate Voting Shares of Cossette as of June 9, 2009. All of
the Subordinate Voting Shares were acquired through the facilities of the
Toronto Stock Exchange.
Following the acquisition described above, the Offeror and the joint actors
own and control, directly and indirectly, an aggregate of 230,460 Subordinate
Voting Shares representing 2.22% of the Company's issued and outstanding
Subordinate Voting Shares as of June 10, 2009.
The Subordinate Voting Shares were acquired for investment purposes only and
Mr. Lessard and the joint actors may acquire further securities of Cossette in
the future, depending on market conditions and other factors material to Mr.
Lessard's investment decisions.
Mr. Lessard relied upon the "normal course purchase" exemption from the
takeover bid rules of Canadian securities legislation at Section 4.1 of
Multilateral Instrument 62-104 in completing the transaction. The facts
supporting that reliance are set forth above.
This press release is issued pursuant to Section 5.2 (1) of Multilateral
Instrument 62-104, which also requires a report to be filed with regulatory
authorities containing additional information with respect to the foregoing
matters (the "Early Warning Report"). A copy of the Early Warning Report will
appear with the Company's documents in the SEDAR website at www.sedar.com.
A copy of the Early Warning Report may also be obtained by contacting Mr.
Martin Faucher, Vice-President and Chief Financial Officer of the Company.

Cossette Inc. offers a full range of leading-edge communication services to
clients of all sizes, including some of the most prestigious brands in the
world. A customer-driven organization built around highly specialized business
units, Cossette also offers Convergent Communications(TM), a unique working
method that brings added value to the client by integrating various services
offered by the Group, including strategic planning and research, advertising,
media buying and channel planning, sales promotion, direct response, database
and direct marketing, customer relationship management, interactive marketing
and technology solutions, public relations, organizational communication and
change management, sponsorship and alliance marketing, branding and design,
ethnic marketing, business-to-business communications (B2B practices) and
print and video production. Cossette has approximately 1,630 employees and
offices in Quebec City, Montreal, Toronto, Vancouver, Halifax, New York,
Irvine, Los Angeles, London and Shanghai.
SOURCE COSSETTE INC.

Financial Analysts only: Martin Faucher, Vice-President and Chief Financial
Officer, (418) 521-3784; Investors: Francis Trudeau, Director, Acquisitions
and Investor Relations, (514) 282-4633; Media: Mathieu Claise, Optimum Public
Relations, (418) 521-3770; Source: Cossette Inc., www.cossette.com