SPDR Series Trust SPDR S&P Oil & Gas Equipment & Services ETF

In seeking to track the performance of the S&P Oil & Gas Equipment & Services Select Industry Index, the fund employs a sampling strategy. It generally invests substantially all, but at least 80%, of its total assets in the securities comprising the index. The index represents the oil and gas equipment and services segment of the S&P Total Market Index ("S&P TMI").