Copyright:

Copyright © 1995 - 2008 Chicago Board Options Exchange, Incorporated. All rights reserved.

TRADEMARKS:

Standard & Poor's®, S&P®, S&P 500®, Standard & Poor's Depositary Receipts®, SPDR®, Standard & Poor's 500 and 500 are trademarks of The McGraw-Hill Companies, Inc. and have been licensed for use by Chicago Board Options Exchange, Incorporated (CBOE). S&P makes no recommendations concerning the advisability of investing in SPDRs. Neither S&P nor its index compilation agent makes any recommendation concerning the advisability of investing in options on SPDRs.

Russell 1000®, Russell 2000®, Russell 3000® and Russell MidCap are registered trademarks of the Frank Russell Company, used under license.

Dow Jones, DJIA, Dow Jones Industrial Average, Dow Jones Transportation Average, Dow Jones Utility Average, and DIAMONDS are trademarks of Dow Jones & Company, Inc. and have been licensed for use for certain purposes by CBOE. CBOE's options based on the Dow Jones indexes are not sponsored, endorsed, sold or promoted by Dow Jones, and Dow Jones makes no representations regarding the advisability of investing in such products.

The Nasdaq-100 Index®, Nasdaq-100®, The Nasdaq National Market®, Nasdaq®, Nasdaq-100 Shares and Nasdaq-100 Trust are trademark or service marks of The Nasdaq Stock Market, Inc. (with which its affiliates are the "Corporations"). These marks are licensed for use by CBOE in connection with the trading of products based on the Nasdaq-100 Index. The products have not been passed on by the Corporations as to their legality or suitability. The products are not issued, endorsed, sold or promoted by the Corporations. THE CORPORATIONS MAKE NO WARRANTIES AND BEAR NO LIABILITY WITH RESPECT TO THE PRODUCT(S).

The Goldman Sachs Technology Industry Indexes are the property of Goldman, Sachs & Co. (Goldman Sachs) and have been licensed to CBOE in connection with the trading of options based upon the indexes. Goldman Sachs assumes no liability in connection with the trading of any contract based upon any of the indexes. GSTI is a trademark of Goldman Sachs.

The "Morgan Stanley Multinational Index", "Morgan Stanley Oil Services Index", "Morgan Stanley Retail Index", and "Morgan Stanley Biotech Index" (each an "Index" and collectively, the "Indices") are service marks of Morgan Stanley & Co. Incorporated ("Morgan Stanley") and have been licensed for use by CBOE. Morgan Stanley does not calculate the Indices, options on the Indices are not sponsored by Morgan Stanley and Morgan Stanley does not guarantee, nor is Morgan Stanley liable in any way for, the accuracy or completeness of the Indices or make any warranty, express or implied, as to the results to be obtained by anyone in connection with the use of the Indices and further disclaims all warranties of merchantability or fitness for a particular purpose with respect to the Indices. Morgan Stanley assumes no liability or obligation in connection with the trading of the Index options.

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MSCI, EAFE, iShares, BGI and the MSCI index names are service marks of Morgan Stanley Capital International Inc. ("MSCI"), its licensors or their affiliates (the "MSCI Parties") and have been licensed for use by CBOE. Option contracts on any exchange-traded fund based on an MSCI index are not sponsored, guaranteed or endorsed by MSCI, the issuer of such fund or their affiliates. None of the MSCI Parties makes any representations regarding the advisability of investing in such option contracts. None of the MSCI Parties makes any warranty, express or implied, or bears any liability as to the results to be obtained by any person or any entity from any option contract. No purchaser, seller or holder of this security, or any other person or entity, should use or refer to any trade name, trademark or service mark relating thereto to sponsor, endorse, market or promote any other security without first contacting MSCI to determine whether MSCI's permission is required.

Other names, logos, designs, titles, words or phrases in this publication may constitute trademarks, service marks, or trade names of Chicago Board Options Exchange, Incorporated or other entities and which may be registered in certain jurisdictions.