This excerpt taken from the AMGN 10-Q filed Aug 9, 2007.
$2,000,000,000 Floating Rate Senior Notes due 2008
The Notes have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the Securities Act). The Notes may not be offered or sold within the United States or to U.S. persons, except to qualified institutional buyers in reliance on the exemption from registration provided by Rule 144A under the Securities Act (Rule 144A) and to certain persons in transactions outside the United States in reliance on Regulation S under the Securities Act (Regulation S). Prospective purchasers are hereby notified that the seller of the Notes may be relying on the exemption from the provisions of Section 5 of the Securities Act provided by Rule 144A.