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Third Annual Piper Jaffray Clean Technology and Renewables Conference to Offer Unparalleled View of Fast-Growing Clean Tech Sector

MINNEAPOLIS, Jan. 31-- Piper Jaffray & Co. will host its third annual Clean Technology and Renewables Conference Feb. 20, 2008 in New York City. The conference will provide insight on upcoming technological advancements and cost improvements from leading solar, biofuels and other clean technology companies operating across the globe.

"We are proud to have more than 75 companies within the clean technology and renewable energy sectors present at this year's conference," said Jesse Pichel, senior technology research analyst at Piper Jaffray. "We expect investors will walk away with strong conviction that the sector has one of the best secular themes within technology investing."

"Piper Jaffray, as a leader in the renewable energy and clean technology space, connects growth companies to capital and expertise around the world," said Lois Quam, head of alternative investments at Piper Jaffray. "We will take this to a new level at our upcoming conference."
Investors will also hear a keynote address by Steve Creamer, chairman and CEO of EnergySolutions, Inc. Additionally, the conference will feature company presentations from senior management, as well as one-on-one and group meetings.
Companies scheduled to present include: ADA-ES, Inc.; Advanced Energy Industries, Inc.; Akeena Solar, Inc.; Altair Nanotechnologies, Inc.; American Superconductor Corporation; The Andersons, Inc.; Applied Materials, Inc.; Ausra, Inc.; Blue Source LLC; BP p.l.c.; Canadian Solar, Inc.; Ceres, Inc.; China Wind Systems, Inc.; Comverge, Inc.; Cree, Inc.; Day4 Energy Inc.; EcoSynthetix Inc.; Echelon Corporation; EMCORE Corporation; Energy Conversion Devices, Inc.; EnergySolutions, Inc.; Environmental Power Corporation.; ersoll Solar Energy AG; Evergreen Solar, Inc.; First Solar, Inc.; FuelCell Energy, Inc.; Global Solar Energy, Inc.; Gushan Environmental Energy Limited; Hoku Scientific, Inc.; HydroGen Corporation; Intellon Corporation; JA Solar Holdings Co., Ltd.; Konarka Technologies, Inc.; LSB Industries, Inc.; MBA Polymers; Medis Technologies Ltd.; MEMC Electronic Materials, Inc.; Mendel Biotechnology, Inc.; Metabolix, Inc.; Moser Baer India Ltd.; NanoGram Corporation; Nanosolar, Inc.; Nova Biosource Fuels, Inc.; Novozymes A/S; OC Oerlikon Solar Management AG, Pfaffikon; Open Energy Corporation; Ormat Technologies, Inc.; Performance Plants, Inc.; Phoenix Solar AG; Plasco Energy Group; PowerGenix; Power-One, Inc.; Powerspan Corp.; Raser Technologies, Inc.; RenaSola Ltd.; Renewable Energy Corporation ASA; Rentech, Inc.; SemiLEDS; Sharp Electronics Corporation; SmartSynch, Inc.; Solarfun Power Holdings Co., Ltd.; Solaria Corporation (The); Solaria Energia y Medio Ambiente, S.A.; SolarWorld AG; SOLON AG; Spire Corporation; SunPower Corporation; Suntech Power Holdings Co., Ltd.; Ultralife Batteries, Inc.; Venture Vehicles, Inc.; Verenium Corporation; Xantrex Technology Inc.; Yingli Green Energy Holding Company, Ltd.


Company and investor participation in the third annual Clean Technology and Renewables Conference is by invitation only. Clients interested in attending should contact their Piper Jaffray representative. Members of the media who would like to attend should contact Andrea Young at 612 303-6697 or andrea.m.young@pjc.com.

About Piper Jaffray
Piper Jaffray Companies is a leading, international middle-market investment bank and institutional securities firm, serving the needs of middle-market corporations, private equity groups, public entities, nonprofit clients and institutional investors. Founded in 1895, Piper Jaffray provides a comprehensive set of products and services, including equity and debt capital markets products; public finance services; mergers and acquisitions advisory services; high-yield and structured products; institutional equity and fixed-income sales and trading; and equity and high-yield research. With headquarters in Minneapolis, Piper Jaffray has 25 offices across the United States and international locations in London, Hong Kong and Shanghai. Piper Jaffray & Co. is the firm's principal operating subsidiary. (http://www.piperjaffray.com)

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