Claymore/Great Companies Large-Cap Growth Index ETF (the Fund) seeks investment results that correspond generally to the performance of an equity index called the Great Companies Large-Cap Growth Index (the Index). The Index comprises between 35 and 50 securities. The companies included in the Index universe are selected using a quantitative methodology developed by Great Companies, Inc. (Great Companies or the Index Provider) that is based on earnings growth, market price relative to True Worth (a valuation metric of Great Companies that measures implied cash flow returns relative to a stock's current multiple, as well as comparable common stocks at competitive firms). The Fund will normally invest at least 90% of its total assets in common stock and American depositary receipts (ADRs) that comprise the Index. The Fund’s investment advisor is Advisors, LLC.