CHICAGO, IL -- (Marketwire) -- 08/07/08 -- Invesco PowerShares Capital Management LLC, a leading provider of exchange-traded funds (ETFs), announced today that the trailing three-year performance of its Dynamic Large Cap Value Portfolio (PWV) and Dynamic Mid Cap Growth Portfolio (PWJ) have outperformed their index peers and earned five-star ratings from Morningstar.*

"Our proud celebration of these funds' three-year anniversary is improved as we recognize their compelling performance and five-star ratings from Morningstar," said Bruce Bond, president and CEO of Invesco PowerShares. "Both PWV and PWJ are based on quantitative, rules-based Intellidexes designed to maximize the potential for outperformance. Invesco PowerShares is committed to delivering value and market-leading ideas to investors, as we seek to enhance their portfolios with our pioneering family of ETFs."

Invesco PowerShares is a chief participant in the evolution of the ETF industry -- helping move the industry beyond traditional benchmarking -- and toward intelligent indexing. The Invesco PowerShares family of intelligent ETFs currently includes 43 Dynamic Intellidex-based portfolios that seek to evaluate securities for their investment merit.

During the three-year period ended June 30, 2008:

PowerShares Dynamic Large Cap Value Portfolio (AMEX: PWV) had an annualized return of 7.65% and cumulative return of 24.75%, outperforming the S&P 500® Index with an annualized return of -13.11% and cumulative return of 13.79%. For the three-year period ended June 30, 2008, the PowerShares Dynamic Large Cap Value Portfolio earned a Morningstar Rating(TM) of five stars when compared to the 1,183 U.S.-domiciled large value funds.*

PowerShares Dynamic Mid Cap Growth Portfolio (AMEX: PWJ) had an annualized return of 12.58% and cumulative return of 42.69%, outperforming the S&P 500 Index with an annualized return of -13.11% and cumulative return of 13.79%. For the three-year period ending June 30, 2008, the PowerShares Dynamic Mid Cap Growth Portfolio earned a Morningstar Rating(TM) of five stars when compared to the 813 U.S.-domiciled mid-cap growth funds.

Ratings are based on a risk-adjusted return measure that accounts for variation in a fund's monthly performance (including the effect of sales charges, loads and redemption fees), placing more emphasis on downward variations and rewarding consistent performance.