CAMBRIDGE, Mass.--ATG (Art Technology Group, Inc., NASDAQ: ARTG), the leading e-commerce platform and optimization services provider, today announced that Quebecor Media Inc. has selected the ATG Commerce platform to enhance personalization capabilities and extend the Web sites for some of the most popular Web properties in Canada. Technology experts at Quebecor were impressed with the flexibility, scalability and ease of integration of the ATG platform. “We researched many options that promised to make our sites more sophisticated, and ultimately we are confident that ATG will provide a robust platform to serve the needs of Quebecor Media and deliver customized improvements to each of our subsidiaries. Now, personalization, customized recommendations and intelligent cross-marketing capabilities will deliver value to every level of the organization,” said Dominique-Sebastien Forest, General Manager of Quebecor Media, Inc.

Quebecor Media is a subsidiary of Quebecor Inc. with 43,000 employees and $9.8 billion in revenues. It owns and operates leading media properties across Canada including:
-- Videotron - the largest cable TV and Internet service provider in Quebec
-- Sun Media Corporation and Osprey Media - a network of television channels and newspapers
-- Groupe TVA - Canada's largest French TV station
-- Canoe.ca - Canada's most successful independent Internet portal partnered with Yahoo!
-- Archambault Stores - Canada's largest music store chain
-- Select - Canada's largest independent CD and video distributor
-- Nurun - publicly-listed interactive agency
-- Le SuperClub Videotron and Jumbo Video - Quebec's largest video store chain

Quebecor Media’s wide range of media properties enable it to execute effective cross-communication and convergence strategies. Cross promotions between media channels give Quebecor Media a competitive edge in the media and entertainment arena throughout Canada. By recreating each of these properties using ATG’s e-commerce platform, Quebecor will strengthen its overall brand and create a network of online destinations that embody the Web experiences Canadian consumers have come to expect.

Key attributes of ATG Commerce that attracted Quebecor Media and ultimately led them to choose ATG were its ability to easily leverage cross-selling and multi-channel opportunities. ATG will easily meet Quebecor’s complex requirements with a streamlined implementation. Some of the features to be included are:

-- Personalization and customized optimization of content for visitors across all sites
-- B2C multi-channel commerce and convergence
-- Up-sell, cross-sell, and promote between multiple sites based on ATG
-- 360 degree view of customer data for customer service reps
-- Pre-integrated solution with commerce, marketing and service components

ATG’s e-commerce platform powers sites for some of the most recognizable media and entertainment brands around the world, including A&E Network, AOL, DirecTV, Ubisoft, Games Workshop, Reuters and Viacom.

About Quebecor Media Inc.
Quebecor Media Inc. is a subsidiary of Quebecor Inc. (TSX:QBR.A, QBR.B; TSX), a communications company with operations in North America, Europe, Latin America and Asia. Quebecor Media Inc. owns operating companies in numerous media related businesses: Videotron Ltd., the largest cable operator in Québec and a major Internet Service Provider and provider of telephone and business telecommunications services; Sun Media Corporation, the largest newspaper chain in Canada; TVA Group Inc., operator of the largest French-language over-the-air television network in Québec, a number of specialty channels, and the English-language over-the-air station SUN TV; Canoe Inc., operator of a network of English-and French-language Internet properties in Canada; Nurun Inc., a major interactive technologies and communications agency with offices in Canada, and the United States, Europe and Asia; companies engaged in book publishing and magazine publishing; and companies engaged in the production, distribution and retailing of cultural products, namely Archambault Group Inc., the largest chain of music stores in eastern Canada, TVA Films, and LeSuperClub Vidéotron ltée, a chain of video and video game rental and retail stores.

About ATG
ATG (Art Technology Group, Inc., NASDAQ: ARTG) provides the e-commerce platform and e-commerce optimization services that the world's most customer-conscious companies use to power their e-commerce Web sites, attract prospects, convert them to buyers and ensure their satisfaction so they become loyal, repeat, profitable customers. Our e-commerce suite is ranked the #1 current offering and #1 in strategy by the industry's most influential analyst firms, and powers more of the top 300 internet retailers than any other vendor. Our eStara brand of e-commerce optimization services - including the world's most widely used click to call offering - dramatically increase conversions and order size and enhance customer support. ATG's solutions are used by over 900 major brands, including AT&T, Best Buy, Bulgari, Coca Cola, Continental Airlines, CVS, Dell, Diane von Furstenberg, DirecTV, eLuxury, El Corte Ingles, Expedia, France Telecom, Harvard Business School Publishing, Hewlett-Packard, Hilton, HSBC, Intuit, Jenny Craig, Louis Vuitton, Macy's, Mercedes Benz, Meredith, Microsoft, Neiman Marcus, New York & Company, NutriSystem, OfficeMax, PayPal, Philips, Procter & Gamble, Sears, Sony, Symantec, Target, T-Mobile, Tommy Hilfiger, Urban Outfitters, Verizon, Viacom, Vodafone and Walgreens.

© 2008 Art Technology Group, Inc. ATG and Art Technology Group are registered trademarks, and ATG Wisdom is a trademark of Art Technology Group, Inc. All other product names, service marks, and trademarks mentioned herein are trademarks of their respective owners.

This press release contains forward-looking statements for purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995. These statements involve known and unknown risks and uncertainties that may cause ATG's actual results, levels of activity, performance or achievements to be materially different from any future results, levels of activity, performance or achievements expressed or implied by such forward-looking statements. Important risk factors affecting ATG's business generally may be found in its periodic reports and registration statements filed with the Securities and Exchange Commission at www.sec.gov . Risk factors related to the subject matter of this press release include the possibility that the ATG product deployment will not be successful, on time or significantly enhance the user's Internet experience or will not increase customer revenue across brands; that those customers leveraging ATG will not have the opportunity to increase revenue and decrease future costs; the need to adapt to rapid changes so products do not become obsolete; the possibility of errors in ATG's software products; the possibility that the solution will not make customer implementations faster or more flexible or permit the customer to meet its customer-facing or infrastructure requirements; that the ATG product will not continue to be integrated with third party applications servers or will not support all Web services enabled systems; that ATG's product strategy may change in the future; and the risks and costs of intellectual property litigation. ATG undertakes no obligation to update any of the forward-looking statements after the date of this press release.