TrueAction Network, GSI Commerce's Marketing Services Agency, Partners With Kenshoo to Bolster Search Marketing Practice

Kenshoo Enterprise(TM) Technology to Power TrueAction Network's Industry Leading e-commerce & Digital Marketing Practice

SAN FRANCISCO, April 27, 2011 - Kenshoo (www.kenshoo.com), a global leader in digital marketing
software, today announced that TrueAction Network(TM), (
www.trueaction.com/) a division of GSI Commerce (Nasdaq: GSIC) Global
Marketing Services, has partnered with Kenshoo to utilize the Kenshoo
Enterprise(TM) platform to deliver advanced search engine marketing (SEM)
solutions to its clients.

Kenshoo is currently used by five of the 10 largest retailers in North
America as well as five of the top 10 largest global retailers. TrueAction
Network, GSI's full-service e-commerce and digital marketing agency, will
leverage Kenshoo's innovative feature-set for retailers, including RealTime
Campaigns(TM), to automatically update paid search campaigns based on dynamic
inventory and merchandising.

Kenshoo's flexible bid algorithms and portfolio models factor in
seasonality and promotional calendars to deliver optimal performance lifts
across key metrics like sales revenue and return on investment (ROI).
Additionally, TrueAction Network's clients will benefit from Kenshoo's
integration with ClearSaleing, a GSI Global Marketing Services company, by
utilizing ClearSaleing's platform for holistic, cross-channel attribution and
campaign optimization.

"Kenshoo has turned the complexities of the digital and retail industries
into competitive advantages," said Marc Fleishhacker, Managing Director of
North America for TrueAction Network. "By partnering with Kenshoo, we'll be
able to deliver greater ROI for our clients while creating efficiencies in
workflow that will enable us to dedicate time and resources to strategic
planning and insight generation."

"TrueAction Network is a true leader in e-commerce and digital marketing
so we are quite pleased that they have chosen Kenshoo as their search
marketing platform," said Yoav Izhar-Prato, Kenshoo CEO. "We look forward to
providing TrueAction Network's leadership team with access to our engineering
core to help shape our roadmap and drive maximum results for TrueAction
Network clients."

About TrueAction Network

TrueAction Network(TM) is a full-service e-commerce and digital marketing
agency and one of the nation's leading Performance based marketing service
companies. As the full-service agency of GSI Commerce's Global Marketing
Services division, TrueAction Network provides innovative digital marketing
strategies, award-winning creative, a powerful advertising analytics and
attribution management platform, best-in-class services comprised of database
management, customer segmentation, along with powerful marketing distribution
channels.

About GSI Commerce

GSI Commerce(R) enables e-commerce, multichannel retailing and digital
marketing for global enterprises in the U.S. and internationally. GSI's
e-commerce services which include technology, order management, payment
processing, fulfillment and customer care, are available on a modular basis
or as part of an integrated solution. GSI's Global Marketing Services
division provides innovative digital marketing products and services
comprised of database management and segmentation, marketing distribution
channels, a global digital agency to drive strategic and creative direction
and an advanced advertising analytics and attribution management platform.
Additionally, GSI provides brands and retailers platforms to engage directly
with consumers through RueLaLa.com, an online private sale shopping
destination, and ShopRunner.com, a members-only shopping service that offers
unlimited free two-day shipping and free shipping on returns for a $79 annual
subscription.

About Kenshoo

Kenshoo is a digital marketing software (www.kenshoo.com/) company
that engineers technology solutions for search marketing and online
advertising. Kenshoo's global platform delivers the control, automation and
results needed to make better investments across search, social and display
campaigns. Advertisers, agencies and marketing providers use the Kenshoo
Enterprise(TM) and Kenshoo Local(TM) suites to direct more than $15 billion
in online sales revenue. Kenshoo powers eight of the ten largest ad agency
networks and five of the top ten retailers. With campaigns running in more
than 100 countries, Kenshoo customers include such brands as Barnes & Noble,
CareerBuilder, Facebook, Havas Digital, Hitwise, iREP, John Lewis,
LendingTree, Omnicom Media Group, Sears, Starcom MediaVest Group,
Travelocity, Walgreens, and Zappos. Kenshoo has ten international offices and
is backed by Sequoia Capital and Arts Alliance. Please visit
www.Kenshoo.com for more information.

Contacts: Kelly Henry, Sr. Director of Global Public Relations, GSI Commerce Inc., TrueAction Network, +1-610-491-7789, news at gsicommerce.com; Stacie Susens, Director of Corporate Marketing and PR, Kenshoo, +1-877-536-7462, Stacie.Susens at Kenshoo.com