Energy Recovery and Seawater Desalination

SAN LEANDRO, Calif.-- Energy Recovery, Inc. (Nasdaq:ERII), a global leader of ultra-high-efficiency energy recovery products and technology for seawater desalination, announced today that it will release its third quarter results for fiscal 2008 on Tuesday, November 11, 2008, after the market close. The Company will host a conference call for investors on Tuesday, November 11, 2008 at 1:30 p.m. PT.

The conference call will be in a "listen-only" mode for all participants other than the sell-side and buy-side investment professionals who regularly follow the Company. The toll-free phone number for the call is 800-951-9235 or 706-758-9752 and the access code is 68565515. Callers should dial in approximately 15 minutes prior to the scheduled start time. A telephonic replay will be available at 800-642-1687 or 706-645-9291, access code: 68565515, from 5:30 p.m. PT Tuesday, November 11, 2008 to 8:59 p.m. PT on Tuesday, November 24, 2008. Investors may also access the live call or the replay over the internet at www.streetevents.com and www.energyrecovery.com. The replay will be available approximately three hours after the live call concludes.

About ERI(R)

Energy Recovery, Inc. (ERI) is a leading manufacturer of energy recovery devices, which by significantly reducing energy consumption is helping make desalination affordable. ERI's PX Pressure Exchanger(R) technology (PX(R)) is a rotary positive displacement pump that recovers energy from the high pressure waste stream of sea water reverse osmosis systems at up to 98% efficiency with no downtime or scheduled maintenance.

The company has research, development and manufacturing facilities in the San Francisco technology corridor as well as direct sales offices and technical support centers in key desalination hubs such as Madrid, UAE, Shanghai and Florida. ERI service representatives are based in Algeria, Australia, China, India, Korea, Mexico, Taiwan and the Caribbean.

As the demand for clean, potable water increases; ERI is poised to face the global challenges ahead. For more information on ERI and PX technology, please visit www.energyrecovery.com.