Cognizant Joins the Ranks of the Fortune 500

TEANECK, New Jersey, May 5, 2011 - Cognizant (NASDAQ: CTSH), a leading provider of information technology,
consulting, and business process outsourcing services, today announced it has
joined the Fortune 500, Fortune Magazine's ranking of America's largest
companies. Cognizant is ranked at number 484, with $4.59 billion in annual
revenue for 2010.

"Since our inception just 17 years ago, we have built a new business
model for consulting, IT and business process outsourcing services -
combining our high-touch approach to client engagement and a depth of
industry expertise with high-quality solutions and global footprint - to
deliver a distinctly superior experience to our clients," said Francisco
D'Souza, President and CEO, Cognizant. "With major structural forces
impacting every industry we service, we believe our robust business model
will continue to help us provide innovative, next-generation solutions and
services to our clients - many of whom are among the Fortune 500 as well - and
help them achieve new levels of business performance, more collaborative and
virtual ways of working, and deeper connections with their customers."

As of March 31, 2011, Cognizant employed approximately 111,000 people
worldwide serving over 700 clients. Cognizant was named to Fortune's "100
Supercharged Performers" list in September 2010-the 8th year in a row-and, as
a result, placed first in Fortune's "All-Star List" of the consistently
fast-growing companies that make the list year after year. Cognizant also
ranked among Fortune's "World's Most Admired Companies" in March 2011, the
3rd year in a row.

About Cognizant

Cognizant (NASDAQ: CTSH) is a leading provider of information technology,
consulting, and business process outsourcing services, dedicated to helping
the world's leading companies build stronger businesses. Headquartered in
Teaneck, New Jersey (U.S.), Cognizant combines a passion for client
satisfaction, technology innovation, deep industry and business process
expertise, and a global, collaborative workforce that embodies the future of
work. With over 50 delivery centers worldwide and approximately 111,000
employees as of March 31, 2011, Cognizant is a member of the NASDAQ-100, the
S&P 500, the Forbes Global 2000, and the Fortune 500 and is ranked among the
top-performing and fastest growing companies in the world. Visit us online at
www.cognizant.com or follow us on Twitter: Cognizant.

Forward-Looking Statements

This press release includes statements which may constitute
forward-looking statements made pursuant to the safe harbor provisions of the
Private Securities Litigation Reform Act of 1995, the accuracy of which are
necessarily subject to risks, uncertainties, and assumptions as to future
events that may not prove to be accurate. Factors that could cause actual
results to differ materially from those expressed or implied include general
economic conditions and the factors discussed in our most recent Form 10-K
and other filings with the Securities and Exchange Commission. Cognizant
undertakes no obligation to update or revise any forward-looking statements,
whether as a result of new information, future events, or otherwise.

Catherine Marenghi (U.S.), +1-781-223-8673, catherine.marenghi at cognizant.com, or Harsh Kabra (India), +91-982-327-3191, Harsh.Kabra at cognizant.com