Prospectus Supplement No. 7

Filed Pursuant to Rule 424(b)(7)

(to Prospectus dated February 2, 2007)

Registration No. 333-140430

 

$1,725,000,000 1.75% Convertible Senior Notes due 2011
$1,725,000,000 1.75% Convertible Senior Notes due 2013


This prospectus supplement supplements the prospectus dated February 2, 2007, as supplemented by prospectus supplements dated February 9, 2007, February 16, 2007, February 23, 2007, March 2, 2007, March 9, 2007 and March 16, 2007, relating to the resale by certain selling securityholders of our 1.75% Convertible Senior Notes due 2011 (the “2011 notes”) and 1.75% Convertible Senior Notes due 2013 (the “2013 notes,” and together with the 2011 notes, the “notes”) and the shares of our common stock issuable upon conversion of the notes.  The prospectus dated February 2, 2007, as supplemented by prospectus supplements dated February 9, 2007, February 16, 2007, February 23, 2007, March 2, 2007, March 9, 2007 and March 16, 2007, is referred to herein as the “prospectus.”

You should read this prospectus supplement in conjunction with the prospectus.  This prospectus supplement is qualified by reference to the prospectus, except to the extent that the information in this prospectus supplement supersedes or supplements the information contained in the prospectus.

Investing in the notes and our common stock issuable upon conversion of the notes involves risks that are described in the “Risk Factors” section of the prospectus.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement or the accompanying prospectus is truthful or complete.  Any representation to the contrary is a criminal offense.


The date of this prospectus supplement is March 23, 2007.

 




SELLING SECURITYHOLDERS

The information in the prospectus in the table under the caption “Selling Securityholders” is amended by:

·                  replacing the information included therein regarding the selling securityholders identified in the first column of the “Revised Information Regarding Selling Securityholders” table below with the information set forth in the “Revised Information Regarding Selling Securityholders” table below; and

·                  adding the information in the below “Additional Selling Securityholders” table regarding certain selling securityholders.

The information set forth below is based on information previously provided by or on behalf of the named selling securityholders.  Information concerning the selling securityholders may change from time to time. The selling securityholders may from time to time offer and sell any or all of the securities under the prospectus (as amended and supplemented hereby).  Because the selling securityholders are not obligated to sell the notes or any shares of common stock issuable upon conversion of the notes, we cannot estimate the amount of the notes or how many shares of common stock that the selling securityholders will hold upon consummation of any such sales. In addition, since the date on which a selling securityholder provided this information to us, such selling securityholder may have sold, transferred or otherwise disposed of all or a portion of its notes or common shares issuable upon conversion of its notes.

Unless described in the prospectus under the caption “Selling Securityholder” (as amended and supplemented hereby), based upon information previously provided by the selling securityholders, none of the selling securityholders beneficially owns in excess of 1% of our outstanding common stock.

Except as noted in the prospectus under the caption “Selling Securityholder” (as amended and supplemented hereby), based upon the information previously provided by the selling securityholders, none of the selling securityholders nor any of their affiliates, officers, directors or principal equity holders has held any position or office or has had any material relationship with us within the past three years.

Revised Information Regarding Selling Securityholders

 

 

Principal
amount of 2011
notes
beneficially

 

Principal
amount of 2013
notes
beneficially

 

Number of Shares
of Common Stock

 

Name (1)

 

owned and
offered hereby

 

owned and
offered hereby

 

Beneficially
Owned (2)(3)

 

Offered
Hereby (2)

 

AmerUs Life Insurance Company (5)(6)

 

$

1,900,000

 

$

2,700,000

 

286,110

 

286,110

 

Fortis Investment Convertible Arbitrage FD (7)

 

17,000,000

 

17,000,000

 

1,057,363

 

1,057,363

 

 

2

 




Additional Selling Securityholders

 

 

Principal
amount of 2011
notes
beneficially

 

Principal
amount of 2013
notes
beneficially

 

Number of Shares
of Common Stock

 

Name (1)

 

owned and
offered hereby

 

owned and
offered hereby

 

Beneficially
Owned (2)(3)

 

Offered
Hereby (2)

 

AML Lehman Aggregate #24 (5)(8)

 

$

1,000,000

 

$

 

62,198

 

62,198

 

Fore Convertible Master Fund, Ltd. (9)

 

 

5,000

 

311

 

311

 

Investcorp Silverback Arbitrage Master Fund Limited (10)

 

3,000,000

 

 

186,593

 

186,593

 

Millennium Partners, L.P. (5)(11)

 

 

10,000,000

 

621,978

 

621,978

 

Orsay Convertibles Internationales

 

6,000,000

 

 

373,187

 

373,187

 

Wesan Bonds

 

3,000,000

 

 

186,593

 

186,593

 


(1)                                  Information concerning other selling securityholders will be set forth in supplements to this prospectus supplement from time to time, if required.

(2)                                  Includes shares of common stock issuable upon conversion of notes, assuming conversion of all the named selling securityholder’s notes at the initial conversion rate of 62.1978 shares of common stock per $1,000 principal amount at maturity of the notes.  This conversion rate is subject to adjustment, however, as described under “Description of Notes — Conversion Rights — Conversion Rate Adjustments” in the prospectus.  As a result, the number of shares of common stock issuable upon conversion of the notes beneficially owned and offered by the named selling securityholder may increase or decrease in the future.

(3)                                  In addition to shares of common stock issuable upon conversion of the notes as described in footnote (1), also includes shares of common stock identified to us by the selling securityholder as owned by it.

(4)                                  The selling securityholder is a broker-dealer.

(5)                                  The selling securityholder is an affiliate of a broker-dealer.

(6)                                  This amount reflects an increase of $1,300,000 in the principal amount of 2011 notes previously listed in the prospectus for AmerUS Life Insurance Company.  AmerUS Life Insurance Company has indicated that Thomas J. Ray, Chief Investment Officer of Inflective Asset Management, exercises voting or investment power over the notes and common stock issuable upon the conversion of the notes held by it.

(7)                                  This amount reflects an increase of $17,000,000 in the principal amount of 2013 notes previously listed in the prospectus for Fortis Investment Convertible Arbitrage FD.

(8)                                  AML Lehman Aggregate #24 has indicated that Thomas J. Ray, Chief Investment Officer of Inflective Asset Management, exercises voting or investment power over the notes and common stock issuable upon the conversion of the notes held by it.

(9)                                  Fore Convertible Master Fund, Ltd. has indicated that Matthew Li exercises voting and investment power over the notes and common stock issuable upon conversion of the notes held by it.

(10)                            Investcorp Silverback Arbitrage Master Fund Limited has indicated that Elliot Bossen, Chief Investment Officer of Silverback Asset Management, LLC, exercises voting and investment power over the notes and common stock issuable upon conversion of the notes held by it.

(11)                            Millennium Partners L.P. has indicated that (i) Millennium Management, L.L.C., a Delaware limited liability company, as its general partner, may be deemed to have voting control and investment discretion over the notes and common stock issuable upon conversion of the notes held by it and (ii) Israel A. Englander, as the managing partner of Millennium Management, L.L.C., may be deemed to be the beneficial owner of any notes or common stock issuable upon conversion of the notes that are beneficially owned by Millennium Management, L.L.C.  Millennium Partners L.P. has indicated that the foregoing should not be construed in and of itself as an admission by either of Millennium Management, L.L.C. or Mr. Englander as to beneficial ownership of the notes and common stock issuable upon conversion of the notes held by it.

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