SOURCE: Chicago Board Options Exchange

August 17, 2005 18:52 ET

/ CORRECTION - The Chicago Board Options Exchange

CHICAGO, IL -- (MARKET WIRE) -- August 17, 2005 -- In the news release, "CBOE Began Listing Options on iShares Russell Microcap Index (IWC) on Wednesday, August 17," issued today, August 17th, 2005, by The Chicago Board Options Exchange, we are advised by the company that in the headline and first paragraph the word "listing" should be "trading." The second paragraph should also read:

The Russell Microcap™ Index, launched in June, 2005, tracks the
performance of 2,000 of the smallest publicly traded companies in the
United States. The stocks in this new index have market capitalizations of
$55 million to $500 million and represent companies ranked number 2,001
through 4,000 by market capitalization.  The iShares Russell Microcap Index
Fund relies on Barclays Global Fund Advisors (BGFA) portfolio management to
optimize the IWC portfolio, generally holding fewer securities than those
within the index.  The Underlying Index will be a customized subset of the
Russell Microcap Index, representing only the most investable securities of
the approximately 2,000 smallest companies in the U.S. equity market
included in that index, as determined by Russell.
rather than,
iShares Russell Microcap Index fund is an exchange-traded fund which seeks
investment results that correspond to the price and yield performance,
before fees and expenses, of the Russell Microcap Index. The fund will
track an index of US micro-caps that contains 1,000 of the smallest
companies in the Russell 300 Index.
as originally issued.

Additionally, the following text was appended to the final paragraph:

 "The ishares Funds are not sponsored, endorsed, issued, sold or promoted
by Russell Investment Group, nor does this company make any representation
regarding the advisability of investing in the Fund.  iShares is a
registered trademark of Barclays Global Investors, N.A.  The Russell
2000® Index is a registered trademark of The Frank Russell Company used
under license."
Complete corrected text follows.

CBOE Began Trading Options on the New iShares Russell Microcap Index (IWC) Today, Wednesday, August 17

CHICAGO, IL -- 08/17/2005 -- The Chicago Board Options Exchange (CBOE) announced that it began trading options on the new iShares Russell Microcap Index (NYSE: IWC) and (CBOE: IWC) today, Wednesday, August 17.

The Russell Microcap™ Index, launched in June, 2005, tracks the performance of 2,000 of the smallest publicly traded companies in the United States. The stocks in this new index have market capitalizations of $55 million to $500 million and represent companies ranked number 2,001 through 4,000 by market capitalization. The iShares Russell Microcap Index Fund relies on Barclays Global Fund Advisors (BGFA) portfolio management to optimize the IWC portfolio, generally holding fewer securities than those within the index. The Underlying Index will be a customized subset of the Russell Microcap Index, representing only the most investable securities of the approximately 2,000 smallest companies in the U.S. equity market included in that index, as determined by Russell.

IWC options will trade on the March expiration cycle, with introductory expirations in September, October, November and December. Strike prices will range from 40 to 60, in one point increments, with position limits of 25,000 contracts. Susquehanna Investment Group has been named the DPM in the options.

For more information on new listings, visit the Trading Tools section of the CBOE website at: http://www.cboe.com/NewListings.

CBOE, the world's largest options marketplace and the creator of listed options, is regulated by the Securities and Exchange Commission (SEC). For additional information about the CBOE and its products, access the CBOE website at: www.cboe.com.

CBOE® and Chicago Board Options Exchange® are registered trademarks of Chicago Board Options Exchange, Incorporated. The ishares Funds are not sponsored, endorsed, issued, sold or promoted by Russell Investment Group, nor does this company make any representation regarding the advisability of investing in the Fund. iShares is a registered trademark of Barclays Global Investors, N.A. The Russell 2000® Index is a registered trademark of The Frank Russell Company used under license.

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