eBay Inc. To Join Nasdaq-100 Index Beginning October 6, 1999

eBay Inc. (Nasdaq:EBAY), of San Jose, California, will become a component of the Nasdaq-100 Index® (NDX), effective at the beginning of trading Wednesday, October 6, 1999. Shares of eBay will also be included in the Nasdaq-100 Index SharesSM (Amex:QQQ), the Nasdaq-100 Index Tracking StockSM, which are securities that represent ownership in the Nasdaq-100 Trust. The Trust holds a portfolio of equity securities that compose the Nasdaq-100 Index and aims to provide investment results that generally correspond with its performance. eBay will replace Centocor Inc., which is being acquired by Johnson & Johnson. With a market capitalization of $17.7 billion, eBay is a personal trading community with more than 5.6 million registered users. Founded in 1995, eBay has developed an efficient and entertaining trading site on the Web that is available 24 hours a day, seven days a week. The Nasdaq-100 Index, launched in January 1985, has risen over 23 percent in the first seven months of 1999, although past performance is not necessarily indicative of future performance and Index performance does not represent the performance of Nasdaq-100 Shares. The Nasdaq-Amex Market GroupSM, which operates The Nasdaq Stock Market and the American Stock Exchange® (Amex®), is a subsidiary of the National Association of Securities Dealers, Inc. (NASD®), the largest securities-industry, self-regulatory organization in the United States. For more information about The Nasdaq-Amex Market Group, visit its Web site at www.nasdaq-amex.com or the Nasdaq-Amex NewsroomSM at www.nasdaq-amexnews.com.