OPT to present at global investment conference

OCEAN POWER TECHNOLOGIES TO PRESENT AT

2010 RODMAN & RENSHAW Annual Global Investment CONFERENCE

Pennington, NJ - September 7, 2010 - Ocean Power Technologies, Inc. (Nasdaq: OPTT and London Stock Exchange AIM: OPT) ("OPT" or "the Company") announces today that Charles F. Dunleavy, Chief Executive Officer of OPT, will present at the 2010 Rodman & Renshaw Annual Global Investment Conference on Tuesday, September 14, 2010 at 3:15pm Eastern Time. The conference will take place at the New York Palace Hotel in New York City.

A live webcast of the presentation will be available on the Company's website at: www.oceanpowertechnologies.com. A replay of the presentation will be archived on the website for 90 days.

For more information on the 2010 Rodman & Renshaw Annual Global Investment Conference, please visit http://www.rodmanandrenshaw.com/ or call +1 212 430 1714.

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About Ocean Power Technologies

Ocean Power Technologies, Inc. (Nasdaq: OPTT and London Stock Exchange AIM: OPT) is a pioneer in wave-energy technology that harnesses ocean wave resources to generate reliable and clean and environmentally-beneficial electricity. OPT has a strong track record in the advancement of wave energy. The Company participates in a $150 billion annual power generation equipment market. OPT's proprietary PowerBuoy® system is based on modular, ocean-going buoys that capture and convert predictable wave energy into clean electricity. The Company is widely recognized as a leading developer of on-grid and autonomous wave-energy generation systems, benefiting from over a decade of in-ocean experience. OPT's systems are insured by Lloyds Underwriters of London. OPT is headquartered in Pennington, New Jersey with an office in Warwick, UK. More information can be found at www.oceanpowertechnologies.com.

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