Echelon, a leader in smart grid solutions, has long provided highly reliable, industry standard, lab-certified meters worldwide. Now, its recently introduced new generation of ANSI meters, ANSI 3.1, have also achieved the highly recognized MET Laboratories certification.

With fifty years of industry experience behind it, the MET Meter Certification program ensures the accuracy, reliability and safety of watt-hour meters in homes and businesses throughout North America. Successful completion of the MET Meter Certification program is a testimony to the commitment Echelon has made to assure excellence in their electricity metering products. More information about MET's Meter Certification program can be found at http://www.metlabs.com/pages/meterCertificationProgram.html.

About MET Laboratories, Inc.

MET Laboratories is a fully independent third party testing and certification laboratory. Its full service laboratories in Baltimore and the San Francisco Bay Area California afford manufacturers the unique opportunity to obtain worldwide regulatory recognition for electro-magnetic compatibility (EMC), environmental, telecom, wireless, and product safety requirements, all under one roof. MET is the first OSHA licensed Nationally Recognized Testing Laboratory. Additionally, MET is an approved Certification Body recognized by the Standards Council of Canada In fact, MET is the only laboratory recognized by Measurement Canada to test electricity meters and offers EMC testing that is accepted by both the FCC and Industry Canada.

To learn more about MET Laboratories visit www.METLabs.com.

About Echelon Corporation

Echelon Corporation (NASDAQ: ELON) is leading the worldwide transformation of the electricity grid into a smart, communicating energy network, connecting utilities to their customers, enabling networking of everyday devices, and providing customers with energy aware homes and businesses that react to conditions on the grid.

Echelon's NES System -- the backbone for the smart grid -- is used by utilities to replace existing stand-alone electricity meters with a network infrastructure that is open, inexpensive, reliable, and proven. The NES System helps utilities compete more effectively, reduce operating costs, provide expanded services and help energy users manage and reduce overall energy use. Echelon's LonWorks® Infrastructure products extend the smart grid, powering tens of millions of energy aware, everyday devices made by thousands of companies -- connecting them to each other, to the electricity grid and to the Internet. LonWorks based products work together to monitor and save energy; lower costs; improve productivity; and enhance service, quality, safety, and convenience in utility, municipal, building, industrial, transportation, and home area networks.

More information about Echelon can be found at http://www.echelon.com.

Echelon and the Echelon logo are registered trademarks of Echelon Corporation registered in the United States and other countries. Other product or service names mentioned herein are the trademarks of their respective owners.

This press release may contain statements relating to future plans, events or performance. Such statements may involve risks and uncertainties, including the risk that Echelon's NES electricity meters do not perform as designed; risks relating to the growth of the NES industry; and other risks identified in Echelon's SEC filings. Actual results, events and performance may differ materially. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. Echelon undertakes no obligation to release publicly the result of any revisions to these forward-looking statements that may be made to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

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