Glil Yam, Israel – April 26, 2007 – Pontis Ltd., a developer of software marketing systems for Communication Service Providers, today announced that it has been awarded a contract for its Integrated Marketing System™ by Nextel Communications Argentina S.A. (NCA), an Argentinean integrated mobile operator focused on the business sector and the quality leader in this segment. Pontis’s Integrated Marketing System™ will enable Nextel Argentina to design, execute and analyze voice and messaging offers targeted at specific, well-defined customer segments. The system will provide Nextel’s marketers with highly flexible capabilities to promote their pre-paid and post-paid voice services, and optimize the entire sales experience through a single business interface.

“As leaders in the business segment, a key concern is the ability to provide our customers with offers that meet their specific needs,” said Luis Jordan, Marketing Manager of Nextel Argentina. “With the Pontis system, our marketing executives can seamlessly create targeted packages for our corporate customers based on their personal preferences and profiles. We are looking forward to creating a variety of exciting new customer offers, including upgrade packages, service bundles, top-up benefits, and other cross-sell and up-sell opportunities designed with the Pontis Integrated Marketing System™.”

“We are gratified that Nextel Argentina, a leading Communications Service Provider, has chosen the Pontis Integrated Marketing System™ to improve their offering to business customers,” said Michael Kerbis, Pontis CEO. “Using the Pontis solution, Nextel Argentina can create targeted customer offers effectively and better leverage its impressive service portfolio, while significantly reducing time-to- market for the launch of new offers. We are confident that Nextel Argentina will see a rapid increase in its revenues as a result of these new capabilities.”

About Nextel Argentina Nextel Argentina is an integrated mobile operator dedicated to the business segment and leader in quality of its sector. Thanks to the iDEN® technology from Motorola, Nextel unifies under one handset services such as Direct Connect (bi- directional digital radio), mobile telephony, messaging and mobile data transmission. Nextel Argentina is a subsidiary of NII Holdings, Inc.