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

SPDR S&P Oil & Gas Equipment & Services ETF (the Fund) seeks to replicate as closely as possible the total return performance of the S&P Oil & Gas Equipment & Services Select Industry Index. The S&P Oil & Gas Equipment & Services Select Industry Index represents the oil and gas equipment and services sub-industry portion of the S&P Total Markets Index. The S&P TMI tracks all the United States common stocks listed on the New York Stock Exchange, American Stock Exchange, National Association of Securities Dealers Automated Quotation (NASDAQ) National Market and NASDAQ Small Cap exchanges. The Oil & Gas Equipment Index is a modified equal weight index. SSgA Funds Management, Inc. is the Fund's investment advisor.