Berkshire Hathaway will post its second quarter interim report for shareholders on its website on August 5, 2005 at 5:30pm Central time. The report will contain information about Berkshire's results of operations and financial position for the second quarter and first six months of 2005. Berkshire Hathaway is a holding company that engages in property and casualty insurance as well as other diverse business activities, with its common stock listed on the New York Stock Exchange.

1. BERKSHIRE HATHAWAY INC.
NEWS RELEASE
FOR IMMEDIATE RELEASE August 4, 2005
Berkshire Hathaway Inc.’s second quarter interim report to shareholders will be posted on the
Internet on Friday, August 5, 2005 at approximately 5:30 p.m. Central time where it can be
accessed via www.berkshirehathaway.com. It will contain information about Berkshire’s results
of operations and financial position for the second quarter and first six months ended June 30,
2005.
Berkshire Hathaway and its subsidiaries engage in a number of diverse business activities among
which the most important is the property and casualty insurance business conducted on both a
direct and reinsurance basis. Common stock of the Company is listed on the New York Stock
Exchange, trading symbols BRK.A and BRK.B.
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