Exhibit 99.02
USG CORPORATION ANNOUNCES RECORD DATE FOR RIGHTS OFFERING
CHICAGO, June 20, 2006 – USG Corporation (NYSE:USG) announced today that it has set Friday,
June 30, 2006 as the record date for its previously announced rights offering. USG intends to
distribute at no charge to stockholders on the record date one transferable right for each share of
common stock held on the record date.
Each right will entitle a stockholder to purchase one share of USG common stock for $40.00.
The rights will be exercisable until Thursday, July 27, 2006 (unless extended), after which they
will expire. It is expected that certificates evidencing the rights, together with a prospectus
and other information regarding the rights, will be mailed to stockholders of record promptly
following the record date. Stockholders who hold their USG shares through a bank or broker will
receive the rights materials from their bank or broker.
USG common stock is listed on the New York Stock Exchange and the Chicago Stock Exchange under
the symbol “USG.” The rights are expected to trade on the New York Stock Exchange under the
symbol “USG RT.” Current trading prices for both USG common stock and the rights can be obtained
from a broker or through normal sources of financial information on the internet.
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USG CORPORATION ANNOUNCES RECORD DATE FOR RIGHTS OFFERING/2
A copy of the preliminary prospectus relating to the rights offering is available from
Georgeson Shareholder Communications, Inc. at (888) 206-5896, 17 State Street, 10th
floor, New York, NY, 10004 and is also available at the SEC web site, www.sec.gov. A copy of the final
prospectus relating to the rights offering will be available after the rights offering commences.
A registration statement relating to the rights offering has been filed with the Securities
and Exchange Commission but has not yet become effective. The securities covered by the rights
offering may not be sold nor may offers to buy be accepted prior to the time the registration
statement becomes effective. This press release does not constitute an offer to sell or the
solicitation of an offer to buy the securities discussed herein, and there shall not be any offer,
solicitation or sale of the securities in any State in which such offer, solicitation or sale would
be unlawful prior to registration or qualification under the securities laws of any such State. In
addition, the rights have not been registered or qualified for offer or sale to stockholders of
record in any jurisdiction outside the United States.
USG Corporation is a Fortune 500 company with subsidiaries that are market leaders in their
key product groups: gypsum wallboard, joint compound and related gypsum products; cement board;
gypsum fiber panels; ceiling panels and grid; and building products distribution. For more
information about USG Corporation, visit the USG Web Site at www.usg.com.
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