NEWS

WIRES

OTHER

Energy Recovery, Inc. Announces Reporting Date and Investor Call for Fourth Quarter 2010 Financial Results and Investor Events for the First Quarter

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 866-225-8754 or + 1-480-629-9722 and the access code is 4406924. Callers should dial in approximately 15 minutes prior to the scheduled start time. A telephonic replay will be available at 800-406-7325 or + 1 303-590-3030 access code: 4406924, until Thursday, March 17, 2011. 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.

During the first quarter Tom Willardson, Chief Financial Officer, will speak at the following conferences:

March 8 - Kaufman Brothers Green Technology Conference in Boston

March 24 - Janney Water Industry Summit in New York

Note that presentation dates are tentative and subject to change after the release of this announcement. Also, please note that additional conferences/events may be added during the quarter. To obtain webcast information and or to verify the date and time of an event, please visit our website at http://ir.energyrecovery.com/phoenix.zhtml?c=221013&p=irol-presentations. The webcast replay of the presentation can be accessed at the Energy Recovery Inc. corporate website shortly following the conclusion of the live event.

About Energy Recovery, Inc.

Energy Recovery, Inc. (NASDAQ:ERII) designs and develops energy recovery devices that help make desalination affordable by significantly reducing energy consumption. Energy Recovery technologies include the PX Pressure Exchanger (PX ) device for desalination and the Turbocharger hydraulic turbine energy recovery device and pump for desalination, gas and liquid processing applications. In total, Energy Recovery helps reduce CO₂ emissions by more than 4.7 million tons per year and produce 1.6 billion gallons of potable water per day. The company is headquartered in the San Francisco Bay Area with offices in Detroit and in key desalination centers worldwide, including Madrid, Shanghai, and the United Arab Emirates. For more information about Energy Recovery, Inc. please visit www.energyrecovery.com.

Energy Recovery, Inc.
Tom Willardson, 510-483-7370
Chief Financial Officer