Cleantech ETF (PZD) that tracks the Cleantech Index (CTIUS) moves to NYSE

Previously traded on American Stock Exchange since 2006

New York – October 5th, 2008 - The Invesco PowerShares Cleantech exchange traded fund (ETF) (NYSE: PZD) has moved to the New York Stock Exchange. The index underlying PZD, The Cleantech Group's Cleantech Index™ (Amex: CTIUS) will remain listed on the American Stock Exchange (Amex).

The PowerShares Cleantech ETF (PZD) moved to the NYSE Arca from the Amex effective September 29, 2008. The move came as a result of the merger of the Amex and NYSE Euronext, the parent of NYSE Arca. On Oct. 1, 2008, the Amex and NYSE Euronext announced that their transaction had successfully closed. CTIUS had been listed on the Amex since February 2006. The PowerShares Cleantech ETF (PZD) had been trading on the Amex since October 2006. 

Current shareholders are not required to take any actions as a result of this change.

The Cleantech Group’s Cleantech Index is the first, and only, equity index to offer investors and index licensees an easy, liquid, and cost effective way to track and invest in the broad cleantech category. Unlike indices that specifically track narrow sectors such renewable energy or water, the Cleantech Index includes leading companies from a broad range of sectors such as advanced materials, agriculture, transportation, manufacturing, in addition to energy efficiency, renewables and water. For more information visit: www.cleantechindex.com. Contact: indexinfo@cleantech.com

About Cleantech Group, LLC
The Cleantech Group pioneered the cleantech investment category in 2002. Today, it accelerates the development and market adoption of clean technologies globally through membership in the largest global network of investors and companies representing more than $3 trillion in assets. Member investors, growth companies/vendors, enterprises, service providers, and others receive access to capital, investment deal flow, market leading research and data, insight, sales leads, human capital, and promotional opportunities. The Cleantech Group also produces the premier Cleantech Forum events worldwide. Details at http://www.cleantech.com.

“Cleantech” Defined
Cleantech products, services and processes provide superior performance at lower costs while greatly reducing or eliminating negative ecological impact, at the same time as improving the productive and responsible use of natural resources.