PowerShares Lux Nanotech Portfolio (the Fund) seeks investment results that correspond generally to the price and yield of the Lux Nanotech Index (Index). The Index is designed to measure the performance of companies involved with funding nanotechnology development, developing nanotechnology applications, manufacturing goods that incorporate those applications and/or supplying tools and instrumentation to nanotechnology researchers. Companies may be involved in one or more stages of Lux Research Inc.’s nanotechnolgy value chain framework: nanomaterials, nanointermediates, nano-enabled products and nanotools. The Fund’s holdings are primarily allocated amongst technology, materials and healthcare stocks. The Fund will normally invest at least 90% of its total assets in common stocks that comprise the Index. The Fund’s investment advisor is Invesco PowerShares Capital Management LLC.