Itron Announces Closing of Offering and Exercise of Over-Allotment Option

LIBERTY LAKE, WA — June 3, 2009 — Itron, Inc. (NASDAQ: ITRI) announced today the closing of its underwritten public offering of 3,162,500 shares of its common stock, which includes the full exercise of the underwriters' over-allotment option of 412,500 shares. Total net proceeds from the offering were $160,623,375.

Canaccord Adams acted as the lead, book-running manager of the offering and Stephens Inc. acted as co-manager. The shares were sold pursuant to the Company's existing shelf registration statement, base prospectus, and prospectus supplement as filed with the Securities and Exchange Commission.

This press release shall not constitute an offer to sell, or the solicitation of an offer to buy, any of the securities, nor shall there be any sale of these securities, in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

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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: www.itron.com.

Itron^® is a registered trademark 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.