Announcement and Update of Component Changes to the Nasdaq-100 Index Effective October 4, 2001

New York, NY—October 2, 2001-Andrx Group (Nasdaq:ADRX) a member of Andrx Corporation, of Davie, Florida, will become a component of the Nasdaq-100 Index^® (Nasdaq:NDX), effective at the beginning of trading Thursday, October 4, 2001. Andrx Group will also be included in the Nasdaq-100 Index Tracking Stock^SM (Amex:QQQ). Andrx Group will replace At Home Corporation (Nasdaq:ATHMQ), which is no longer eligible for inclusion in the Index.

Andrx Corporation is a specialty pharmaceutical company engaged in the formulation and commercialization of oral controlled-release generic and brand pharmaceuticals utilizing its proprietary drug delivery technologies. The Andrx Group, with a market capitalization of over $4.5 billion, tracks the performance of the Andrx Corporation and subsidiaries, other than Cybear Group.

In addition, Nasdaq will accelerate the addition of Gilead Sciences, Inc. (Nasdaq: GILD) to the Nasdaq-100 Index to October 4, 2001. The previous announcement indicated that the change will occur on October 5, 2001. Gilead will replace Exodus Communications, Inc. (Nasdaq: EXDSQ).

The Nasdaq-100 Index, launched in January 1985, has risen over 50 percent in the past five years, although past performance is not necessarily indicative of future performance and Index performance does not represent the performance of the Nasdaq-100 Index Tracking Stock. The Nasdaq-100 Index Tracking Stock represents 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.

The Nasdaq Stock Market lists more than 4,300 companies and trades more shares per day than any other U.S. market. For more information about Nasdaq, visit the Nasdaq Web site at www.nasdaq.com or the Nasdaq Newsroom^SM Web site at www.nasdaq.com/newsroom.

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The Trustee for the Nasdaq-100 Trust is required to adjust the composition of the Trust within 3 business days of the effective date of a change to the composition of the Nasdaq-100 Index.

While there is no assurance that the performance of the Nasdaq-100 Index can be fully matched, Nasdaq-100 Shares are designed to provide investment results that generally correspond to the performance of the Nasdaq-100 Index.

For more complete information about Nasdaq-100 Shares, including charges, expenses and potential risks, obtain a prospectus from your broker, or call (800) 843-2639 or visit our Web site at www.nasdaq-100.com. Read it carefully before you invest.

The sponsor of the Nasdaq-100 Trust^SM, a unit investment trust, is Nasdaq Financial Products Services, Inc. ("NFPS"), a wholly owned subsidiary of The Nasdaq Stock Market, Inc. ("Nasdaq," and collectively with its affiliates except NFPS, the 'Corporations"). ALPS Mutual Funds Services, Inc. a registered broker-dealer, is distributor for the Trust. Investment returns and principal value will fluctuate so that an investor's shares, when redeemed or sold, may be worth more or less than the original cost.

"Nasdaq" and related marks are trademarks or service marks of Nasdaq and have been licensed for use for certain purposes by NFPS. The Nasdaq-100 Index is composed and calculated by Nasdaq without regard to Nasdaq-100 Shares. The Corporations make no warranty, express or implied, and bear no liability with respect to Nasdaq-100 Shares. The Corporations and NFPS make no warranty, express or implied, and bear no liability with respect to the Nasdaq-100 Index, its use or any data included therein.