The PowerShares Dynamic Biotechnology & Genome Portfolio (Fund) is based on the Dynamic Biotech & Genome IntellidexSM Index (Intellidex Index). The Fund will normally invest at least 90% of its total assets in common stocks that comprise the Index. The Intellidex Index is designed to provide capital appreciation by thoroughly evaluating companies based on a variety of investment merit criteria, including price momentum, earnings momentum, quality, management action, and value. The Underlying Intellidex Index is comprised of common stocks of 30 US biotechnology and genome companies. These are companies that are principally engaged in the research, development, manufacture and marketing and distribution of various biotechnological products, services and processes and companies that benefit significantly from scientific and technological advances biotechnology and genetic engineering and reseach. The Fund and the Index are rebalanced and reconstituted quarterly in February, May, August and November.