T-Mobile UK Selects MyNetonomy for its Corporate Customers; T-Mobile's Largest UK Customers to Benefit From Netonomy's Customer Self-Service - CSS - and e-billing Applications.

BOSTON & LONDON/PARIS -- Netonomy, the leading provider of customer self-service solutions for communications service providers, today announced that T-Mobile, one of the world's leading companies in mobile communications, has selected self-service and bill analysis products from the MyNetonomy application suite for its corporate customers in the UK.

John Hughes, co-founder and executive vice president of Netonomy commented, "As one of the largest mobile groups in the world, with the world's largest GPRS roaming footprint, T-Mobile is the mobile provider of choice for many corporate customers. We are delighted that they have chosen Netonomy to help serve those customers in the UK, one of the most competitive markets in mobile telecommunications"

About T-Mobile

T-Mobile International is one of the world's leading companies in mobile communications. By Q3 of 2004, more than 109 million people were using the mobile communications services provided by companies in which T-Mobile or Deutsche Telekom have a majority or minority stake. And all that over a common technology platform based on GSM, the world's most successful digital wireless standard. This also makes T-Mobile the only mobile communications provider with a seamless transatlantic service.

T-Mobile UK, the fastest growing UK network, currently has 15.2 million customers. Its UK network covers over 99% of the UK population and currently offers roaming on 370 networks in 163 countries, including the USA. T-Mobile UK has 1,900 Wi-Fi locations, giving customers the largest UK Wi-Fi network as well as the largest network in Europe and the USA.

For more information about T-Mobile UK, please visit www.t-mobile.co.uk or contact the press office on [phone].

About Netonomy

Netonomy is the leader in customer self-service solutions, providing online account management, e-Commerce and electronic bill analysis for the communications industry. The MyNetonomy customer self-service application suite allows consumers, business customers and POS employees to activate and manage subscriptions, buy new products and services, review, investigate and pay bills, resolve problems, and analyze every aspect of the service relationship using virtually any communications device.

MyNetonomy enables network operators and service providers to achieve higher adoption rates faster with frequent customer interaction by delivering customers a superior self-service user experience. This enables Netonomy customers to realize the maximum business benefits from CSS as fast as possible - dramatically reducing the cost of customer interaction while improving customer service and increasing sales. Netonomy customers include innovative and market leading operators like: Bouygues Telecom, Orange, T-Mobile and Vodafone.

With dual headquarters in Boston and Paris, and sales and support offices in London, Rotterdam, Singapore and Sydney, Netonomy partners with industry-leading system integrators and application software vendors to produce complete solutions for the communications sector.

For more information, please visit www.netonomy.com