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BHP Billiton Prices US$5.25 Billion Bond

BHP Billiton has priced a five tranche Global Bond under its debt shelf registration statement, which has
been previously filed with the U.S. Securities and Exchange Commission.

The Global Bond comprises US$1,000 million Senior Floating Rate Notes due 2014 paying interest at
three-month U.S. Dollar LIBOR plus 27 basis points, US$1,000 million 1.000% Senior Notes due 2015,
US$1,250 million 1.625% Senior Notes due 2017, US$1,000 million 2.875% Senior Notes due 2022, and
US$1,000 million 4.125% Senior Notes due 2042.

The proceeds will be used for debt refinancing, including the retirement of commercial paper, and
general corporate purposes.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there
be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be
unlawful prior to registration or qualification under the securities laws of any such jurisdiction. Offers and
sales will only be made pursuant to a written prospectus and prospectus supplement, copies of which
may be obtained from the joint book runners, Barclays Capital Inc., c/o Broadridge Financial Solutions,
1155 Long Island Avenue, Edgewood, NY 11717, 1-888-693-5847 and J.P. Morgan Securities LLC, 383
Madison Avenue, New York, New York 10179, +1-212-834-4533.