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Component Issues, Weightings and Index Divisor | Original Index Components

PHLX Defense Sector^SM (DFX^SM)

The PHLX Defense Sector^SM (DFX^SM) is an equal-dollar-weighted index composed of 17 of the largest and most actively traded companies in the defense and aerospace industry. DFX was set to an initial value of 150 on July 20, 2001; options commenced trading on November 19, 2001.

Contract Specifications*

Trading Symbol: DFX

Alternate Symbol: DFD
If you are unable to obtain a listing for a strike price under the trading symbol, use the alternate symbol.

Settlement Value Symbol: DFA

CUSIP® Number: 71879X

Exercise Style: European - may be exercised only on the last business day before expiration.

Expiration Date: Saturday following the third Friday of the expiration month.

Expiration Cycle: Three months from the March, June, September, December cycle plus two additional near-term months (five months at all times).

Settlement: Cash

Settlement Value for Expiring Contracts: Based on the opening prices of the component stocks on the last trading day prior to expiration (usually a Friday).

Last Trading Day for Expiring Contracts: The last business day (usually a Thursday) before the third Friday of the expiration month.

Index Multiplier: $100 (i.e., one contract = index value x 100)

Index Value Calculation:

Each component stock in the index is represented in approximate equal-dollar amounts so that all issues hold near equivalent influence over the movement of the index. The index
is re-balanced quarterly, following the close of trading on the third Friday of January,
April, July and October, to re-align component weightings.

Exercise (Strike) Price Intervals: The Exchange shall determine fixed-point intervals of exercise prices for index options. Generally, the exercise (strike) price intervals will be no less than $5. However, the Exchange may determine to list strike prices at no less than $2.50 intervals if the strike price is less than $200 for listed indexes, and in response to demonstrated customer interest or specialist request.

Premium Quotation: One point = $100. Thus a premium quote of 2 is $200. The minimum change in a premium under 3 is $5.00 and the minimum change in a premium of 3 or greater is $10.00.

Position Limits: 31,500 contracts on the same side of the market. Hedge exemptions are available.

Trading Hours: 9:30 a.m. to 4:00 p.m., EST/EDT (Philadelphia Time)

Issuer and Guarantor: The Options Clearing Corporation (OCC)

PHLX Defense Sector^SM, DFX^SM are service marks of the Philadelphia Stock Exchange, Inc. '

*Options involve risk and are not suitable for all investors. Prior to buying or selling an option, a person must receive a copy of Characteristics and Risks of Standardized Options (“ODD”). Copies of the ODD are available from your broker, by calling 1-888-OPTIONS, or from The Options Clearing Corporation, One North Wacker Drive, Suite 500, Chicago, IL 60606. The information on this Website is provided solely for general education and information purposes and therefore should not be considered complete, precise, or current. Many of the matters discussed are subject to detailed rules, regulations, and statutory provisions which should be referred to for additional detail and are subject to changes that may not be reflected in the Website information. The Philadelphia Stock Exchange assumes no responsibility for any errors or omissions in the Website. No statement within the Website should be construed as a recommendation to buy or sell a security or to provide investment advice.

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