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Press Release

Itron and Ambient Partner to Increase Smart Grid Functionality for Both Companies

LIBERTY LAKE, Wash. — June 30, 2009 — Itron Inc. (NASDAQ: ITRI) announced today it has signed a memorandum of understanding (MOU) with Ambient Corporation for integration of Itron smart grid and advanced metering infrastructure (AMI) solutions, and components, with Ambient Smart Grid® communications platform. The partnership enables a comprehensive and complete suite of smart grid functionality that Itron and Ambient will jointly market to utility customers.

Under terms of the agreement the companies will closely integrate Itron's leading advanced metering application for the smart grid, OpenWay®, with Ambient Smart Grid communications technology to seamlessly connect legacy equipment as well as advanced smart energy applications to the nation's power grid.

Itron North America senior vice president and chief operating officer Philip Mezey said, "This is further proof that the OpenWay architecture is adaptable to multiple networks in support of smart grid deployments. Building the smart grid requires unprecedented collaboration. Our partnership with Ambient will help both our companies extend smart grid benefits to more energy users."

The agreement covers multiple technologies from both companies, including Itron ERT® technology, used for automated meter reading (AMR); as well as Itron Fixed Network and OpenWay RFLAN communications. The partnership leverages Ambient's X-3000 node and AmbientNMS®, key components of Ambient Smart Grid solutions, and network capabilities utilizing Verizon Wireless' cellular networks.

John J. Joyce, president and chief executive officer of Ambient, said, "This partnership brings together Itron's core consumer and commercial AMI technologies with Ambient's high-capacity communications network for a complete 'utility to the home' smart grid solution."

Itron is a leading, global solutions provider to energy and water utilities, with more than 14 million OpenWay meters under contract.

Ambient designs, develops, and markets Ambient Smart Grid equipment, technologies and services.


About Itron

Itron enables utilities and cities to safely, securely and reliably deliver critical infrastructure services to communities in more than 100 countries. Our portfolio of smart networks, software, services, meters and sensors helps our customers better manage electricity, gas and water resources for the people they serve. By working with our customers to ensure their success, we help improve the quality of life, ensure the safety and promote the well-being of millions of people around the globe. Itron is dedicated to creating a more resourceful world. Join us: www.itron.com.

Itron® and OpenWay® are registered trademarks of Itron, Inc. All third-party trademarks are property of their respective owners and any usage herein does not suggest or imply any relationship between Itron and the third party unless expressly stated.

PR Contact

Alison Mallahan

Senior Public Relations Manager

(509) 891-3802