Berkshire Hathaway will post its third quarter interim report on November 4, 2005 at 5:30pm Central time on its website. The report will contain information about Berkshire's results of operations and financial position for the third quarter and first nine 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 November 3, 2005
Berkshire Hathaway Inc.’s third quarter interim report (Form 10-Q) will be posted on the
Internet on Friday, November 4, 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 third quarter and first nine months ended September
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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