Invesco Ltd. announced the launch of PowerShares Treasury Collateral Portfolio as an ETF designed to track the price and yield of the ICE US Treasury Short Bond Index, a market value weighted index that includes US dollar denominated, fixed and floating rate securities with minimum term to maturity greater than one month and less than or equal to one year in the US Treasury market. PowerShares CLTL is an ETF solution designed for institutional and retail clients. On the institutional side, the ETF may offer an alternative to clients who need to post collateral to meet margin requirements or non-margin collateral. For retail clients, CLTL provides a convenient, low cost option to access safe haven instruments such as US Treasuries with ultra-short duration.