This excerpt taken from the CHK 8-K filed Dec 6, 2006.
600,000,000 aggregate principal amount of 6.25% Senior Notes due 2017
The following information supplements the Preliminary Prospectus dated November 27, 2006 and the Preliminary Prospectus dated November 30, 2007, filed pursuant to Rule 433, Registration Statement Nos. 333-138966 and 333-139053.
The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling +44 20 7773 9498 or toll-free 1-888-227-2275 (ext. 5576).