Briefs

BOSTON, MA - May 6, 2003 - Quadstone, the provider of unique customer analysis software combining exploration and prediction, today announced a major new client - T-Mobile USA, one of the fastest-growing national wireless carriers. The agreement will enable T-Mobile's business and marketing teams to better understand their customer base, improve customer service and increase brand loyalty. T-Mobile USA services a wide demographic of wireless voice and data customers, with over 10 million subscribers nationwide who can choose from many different service features and rate plans.

The strength of Quadstone's software lies in its ability to provide customers a 360-degree view of its customers' behavior, using demographic and transactional profiles, as well as contact and purchase history to provide a better customer service experience. Using raw transactional data from a number of sources, Quadstone develops key behavior indicators, allowing the user to apply customer-targeting rules and better and more quickly serve the specific needs of each individual customer.

For more information, visit www.quadstone.com