Press Release

Arcadian Networks and Itron Join Forces to Deliver Utility Smart Grid Communications

LIBERTY LAKE, Wash. — October 19, 2009 — Itron Inc. (NASDAQ: ITRI) announced today that it has entered into a joint marketing and development agreement with Arcadian Networks. The relationship combines the expertise of Itron, a leading provider of end-to-end smart grid solutions including smart meters and software, with Arcadian Networks’ secure, enterprise-wide broadband communication solutions for smart grid applications.

“This collaboration enables Itron and Arcadian to offer utilities a complete smart grid communication solution including integrated operations and backhaul communications for our advanced meter infrastructure and smart grid solutions. Arcadian’s SMART Network Methodology reflects their focus on providing smart grid communications solutions tailored specifically to the needs of the utility industry,” noted Philip Mezey, senior vice president and chief operating officer of Itron North America.

Arcadian Networks Chief Executive Officer Ed Solar added, “We look forward to joining forces with Itron to complement their leadership in smart grid solutions. Arcadian’s strength as the market forerunner dedicated to meeting the stringent security and unique operational needs of utilities is a natural fit with Itron’s expansive smart grid offerings and capabilities.”

About Itron

Itron enables utilities and cities to safely, securely and reliably deliver critical infrastructure solutions 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:

PR Contact

Alison Mallahan

Senior Public Relations Manager

(509) 891-3802