Itron Executives to Ring Opening Bell at NASDAQ

LIBERTY LAKE, Wash.—May 23, 2011—Itron Inc. (NASDAQ: ITRI), a leading technology provider to the utility industry, announced today that members of its executive management team will ring the opening bell at NASDAQ on Wednesday, May 25, 2011. Representing Itron at the event will be president and CEO Malcolm Unsworth and various members of his leadership team.

The ceremony will take place at the NASDAQ MarketSite Studio in Times Square New York, and can be viewed live online starting at 9:15 a.m. ET.

The ceremonial ringing of the bell precedes Itron's 2011 Investor Day for analysts and institutional investors, which will be held Thursday, May 26, from 8:00 a.m. to 12:30 p.m. ET at The Roosevelt Hotel. Investor Day will include presentations by Itron's executive management team on the company's vision, market opportunities and strategy for growth in the global energy and water markets.

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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.