SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 4)*
CABOT CORPORATION
(Name of Issuer)
COMMON STOCK, PAR VALUE $1.00 PER SHARE
(Title of Class of Securities)
127055101
(CUSIP Number)
SPO Advisory Corp.
591 Redwood Highway, Suite 3215
Mill Valley, California 94941
(415) 383-6600
with a copy to:
Alison S. Ressler
Sullivan & Cromwell LLP
1888 Century Park East
Los Angeles, California 90067-1725
(310) 712-6600
(Name, Address and Telephone Number of Person Authorized to
Receive Notices and Communications)
NOVEMBER 4, 2005
(Date of Event which Requires Filing of This Statement)
If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
Schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following
box |_|.
Note. Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
to whom copies are to be sent.
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
Page 2 of 24 pages
CUSIP No. 127055101
--------------------------------------------------------------------------------
1. NAME OF REPORTING PERSON
SPO Partners II, L.P.
--------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) |_|
(b) |X|
--------------------------------------------------------------------------------
3. SEC Use Only
--------------------------------------------------------------------------------
4. SOURCE OF FUNDS
WC
--------------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
ITEMS 2(e) OR 2(f) |_|
--------------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
7. SOLE VOTING POWER
7,413,700 (1)
------------------------------------------------------
Number Of Shares 8. SHARED VOTING POWER
Beneficially Owned By -0-
Each Reporting Person ------------------------------------------------------
With 9. SOLE DISPOSITIVE POWER
7,413,700 (1)
------------------------------------------------------
10. SHARED DISPOSITIVE POWER
-0-
--------------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,413,700 (1)
--------------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES |_|
--------------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
11.95%
--------------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON
PN
--------------------------------------------------------------------------------
(1) Power is exercised through its sole general partner, SPO Advisory Partners,
L.P.
Page 3 of 24 pages
CUSIP No. 127055101
--------------------------------------------------------------------------------
1. NAME OF REPORTING PERSON
SPO Advisory Partners, L.P.
--------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) |_|
(b) |X|
--------------------------------------------------------------------------------
3. SEC Use Only
--------------------------------------------------------------------------------
4. SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
ITEMS 2(e) OR 2(f) |_|
--------------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
7. SOLE VOTING POWER
7,413,700 (1)(2)
------------------------------------------------------
Number Of Shares 8. SHARED VOTING POWER
Beneficially Owned By -0-
Each Reporting Person ------------------------------------------------------
With 9. SOLE DISPOSITIVE POWER
7,413,700 (1)(2)
------------------------------------------------------
10. SHARED DISPOSITIVE POWER
-0-
--------------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,413,700 (1)(2)
--------------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES |_|
--------------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
11.95%
--------------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON
PN
--------------------------------------------------------------------------------
(1) Solely in its capacity as the sole general partner of SPO Partners II, L.P.
(2) Power is exercised through its sole general partner, SPO Advisory Corp.
Page 4 of 24 pages
CUSIP No. 127055101
--------------------------------------------------------------------------------
1. NAME OF REPORTING PERSON
San Francisco Partners II, L.P.
--------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) |_|
(b) |X|
--------------------------------------------------------------------------------
3. SEC Use Only
--------------------------------------------------------------------------------
4. SOURCE OF FUNDS
WC
--------------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
ITEMS 2(e) OR 2(f) |_|
--------------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION
California
--------------------------------------------------------------------------------
7. SOLE VOTING POWER
309,400 (1)
------------------------------------------------------
Number Of Shares 8. SHARED VOTING POWER
Beneficially Owned By -0-
Each Reporting Person ------------------------------------------------------
With 9. SOLE DISPOSITIVE POWER
309,400 (1)
------------------------------------------------------
10. SHARED DISPOSITIVE POWER
-0-
--------------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
309,400 (1)
--------------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES |_|
--------------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.5%
--------------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON
PN
--------------------------------------------------------------------------------
(1) Power is exercised through its sole general partner, SF Advisory Partners,
L.P.
Page 5 of 24 pages
CUSIP No. 127055101
--------------------------------------------------------------------------------
1. NAME OF REPORTING PERSON
SF Advisory Partners, L.P.
--------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) |_|
(b) |X|
--------------------------------------------------------------------------------
3. SEC Use Only
--------------------------------------------------------------------------------
4. SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
ITEMS 2(e) OR 2(f) |_|
--------------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
7. SOLE VOTING POWER
309,400 (1)(2)
------------------------------------------------------
Number Of Shares 8. SHARED VOTING POWER
Beneficially Owned By -0-
Each Reporting Person ------------------------------------------------------
With 9. SOLE DISPOSITIVE POWER
309,400 (1)(2)
------------------------------------------------------
10. SHARED DISPOSITIVE POWER
-0-
--------------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
309,400 (1)(2)
--------------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES |_|
--------------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.5%
--------------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON
PN
--------------------------------------------------------------------------------
(1) Solely in its capacity as the sole general partner of San Francisco
Partners II, L.P.
(2) Power is exercised through its sole general partner, SPO Advisory Corp.
Page 6 of 24 pages
CUSIP No. 127055101
--------------------------------------------------------------------------------
1. NAME OF REPORTING PERSON
SPO Advisory Corp.
--------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) |_|
(b) |X|
--------------------------------------------------------------------------------
3. SEC Use Only
--------------------------------------------------------------------------------
4. SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
ITEMS 2(e) OR 2(f) |_|
--------------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
7. SOLE VOTING POWER
7,723,100 (1)(2)
------------------------------------------------------
Number Of Shares 8. SHARED VOTING POWER
Beneficially Owned By -0-
Each Reporting Person ------------------------------------------------------
With 9. SOLE DISPOSITIVE POWER
7,723,100 (1)(2)
------------------------------------------------------
10. SHARED DISPOSITIVE POWER
-0-
--------------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,723,100 (1)(2)
--------------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES |_|
--------------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
12.45%
--------------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON
CO
--------------------------------------------------------------------------------
(1) Solely in its capacity as the sole general partner of SPO Advisory
Partners, L.P. with respect to 7,413,700 of such shares; and
solely in its capacity as the sole general partner of SF Advisory
Partners, L.P. with respect to 309,400 of such shares.
(2) Power is exercised through its three controlling persons, John H. Scully,
William E. Oberndorf and William J. Patterson.
Page 7 of 24 pages
CUSIP No. 127055101
--------------------------------------------------------------------------------
1. NAME OF REPORTING PERSON
John H. Scully
--------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) |_|
(b) |X|
--------------------------------------------------------------------------------
3. SEC Use Only
--------------------------------------------------------------------------------
4. SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
ITEMS 2(e) OR 2(f) |_|
--------------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION
USA
--------------------------------------------------------------------------------
7. SOLE VOTING POWER
-0-
------------------------------------------------------
Number Of Shares 8. SHARED VOTING POWER
Beneficially Owned By 7,723,100 (1)
Each Reporting Person ------------------------------------------------------
With 9. SOLE DISPOSITIVE POWER
-0-
------------------------------------------------------
10. SHARED DISPOSITIVE POWER
7,723,100 (1)
--------------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,723,100 (1)
--------------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES |_|
--------------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
12.45%
--------------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON
IN
--------------------------------------------------------------------------------
(1) These shares may be deemed to be beneficially owned by Mr. Scully solely
in his capacity as one of three controlling persons of SPO Advisory Corp.
Page 8 of 24 pages
CUSIP No. 127055101
--------------------------------------------------------------------------------
1. NAME OF REPORTING PERSON
William E. Oberndorf
--------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) |_|
(b) |X|
--------------------------------------------------------------------------------
3. SEC Use Only
--------------------------------------------------------------------------------
4. SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
ITEMS 2(e) OR 2(f) |_|
--------------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION
USA
--------------------------------------------------------------------------------
7. SOLE VOTING POWER
-0-
------------------------------------------------------
Number Of Shares 8. SHARED VOTING POWER
Beneficially Owned By 7,723,100 (1)
Each Reporting Person ------------------------------------------------------
With 9. SOLE DISPOSITIVE POWER
-0-
------------------------------------------------------
10. SHARED DISPOSITIVE POWER
7,723,100 (1)
--------------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,723,100 (1)
--------------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES |_|
--------------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
12.45%
--------------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON
IN
--------------------------------------------------------------------------------
(1) These shares may be deemed to be beneficially owned by Mr. Oberndorf solely
in his capacity as one of three controlling persons of SPO Advisory Corp.
Page 9 of 24 pages
CUSIP No. 127055101
--------------------------------------------------------------------------------
1. NAME OF REPORTING PERSON
William J. Patterson
--------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) |_|
(b) |X|
--------------------------------------------------------------------------------
3. SEC Use Only
--------------------------------------------------------------------------------
4. SOURCE OF FUNDS
Not Applicable
--------------------------------------------------------------------------------
5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
ITEMS 2(e) OR 2(f) |_|
--------------------------------------------------------------------------------
6. CITIZENSHIP OR PLACE OF ORGANIZATION
USA
--------------------------------------------------------------------------------
7. SOLE VOTING POWER
-0-
------------------------------------------------------
Number Of Shares 8. SHARED VOTING POWER
Beneficially Owned By 7,723,100 (1)
Each Reporting Person ------------------------------------------------------
With 9. SOLE DISPOSITIVE POWER
-0-
------------------------------------------------------
10. SHARED DISPOSITIVE POWER
7,723,100 (1)
--------------------------------------------------------------------------------
11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,723,100 (1)
--------------------------------------------------------------------------------
12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES |_|
--------------------------------------------------------------------------------
13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
12.45%
--------------------------------------------------------------------------------
14. TYPE OF REPORTING PERSON
IN
--------------------------------------------------------------------------------
(1) These shares may be deemed to be beneficially owned by Mr. Patterson solely
in his capacity as one of three controlling persons of SPO Advisory Corp.
Page 10 of 24 pages
This Amendment No. 4 amends the Schedule 13D (the "Original 13D") filed
with the Securities and Exchange Commission ("SEC") on August 29, 2005 and as
amended on September 14, 2005, September 26, 2005 and October 20, 2005. Unless
otherwise stated herein, the Original 13D, as previously amended, remains in
full force and effect. Terms used herein and not defined herein shall have the
meanings ascribed thereto in the Original 13D.
ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.
Item 3 is hereby amended and restated in its entirety as follows:
The source and amount of the funds used or to be used by the Reporting
Persons to purchase Shares are as follows:
NAME SOURCE OF FUNDS AMOUNT OF FUNDS
--------------------- --------------------------- ---------------
SPO Contributions from Partners $238,423,940
SPO Advisory Partners Not Applicable Not Applicable
SFP Contributions from Partners $10,038,218
SF Advisory Partners Not Applicable Not Applicable
SPO Advisory Corp. Not Applicable Not Applicable
JHS Not Applicable Not Applicable
WEO Not Applicable Not Applicable
WJP Not Applicable Not Applicable
ITEM 5. INTEREST IN SECURITIES OF THE ISSUER.
Item 5 is hereby amended and restated in its entirety as follows:
(a) Percentage interest calculations for each Reporting Person are
based upon the Issuer having 62,030,447 total outstanding shares of Common Stock
as reported on the Issuer's 10-Q filed with the Securities and Exchange
Commission on August 9, 2005.
SPO
The aggregate number of Shares that SPO owns beneficially, pursuant to
Rule 13d-3 of the Act, is 7,413,700 Shares, which constitutes approximately
11.95% of the outstanding Shares.
SPO Advisory Partners
Because of its position as the sole general partner of SPO, SPO
Advisory Partners may, pursuant to Rule 13d-3 of the Act, be deemed to be the
beneficial owner of 7,413,700 Shares, which constitutes approximately 11.95%
of the outstanding Shares.
Page 11 of 24 pages
SFP
The aggregate number of Shares that SFP owns beneficially, pursuant to
Rule 13d-3 of the Act, is 309,400 Shares, which constitutes approximately
0.5% of the outstanding Shares.
SF Advisory Partners
Because of its position as the sole general partner of SFP, SF Advisory
Partners may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial
owner of 309,400 Shares, which constitutes approximately 0.5% of the
outstanding Shares.
SPO Advisory Corp.
Because of its positions as the sole general partner of each of SPO
Advisory Partners and SF Advisory Partners, SPO Advisory Corp. may, pursuant to
Rule 13d-3 of the Act, be deemed to be the beneficial owner of 7,723,100
Shares in the aggregate, which constitutes approximately 12.45% of the
outstanding Shares.
JHS
Because of his position as a control person of SPO Advisory Corp., JHS
may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of
7,723,100 Shares, which constitutes approximately 12.45% of the outstanding
Shares.
WEO
Because of his position as a control person of SPO Advisory Corp., WEO
may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of
7,723,100 Shares, which constitutes approximately 12.45% of the outstanding
Shares.
WJP
Because of his position as a control person of SPO Advisory Corp., WJP
may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of
7,723,100 Shares, which constitutes approximately 12.45% of the outstanding
Shares.
To the best of the knowledge of each of the Reporting Persons, other
than as set forth above, none of the persons named in Item 2 hereof is the
beneficial owner of any Shares.
(b) SPO
Acting through its sole general partner, SPO has the sole power to vote
or to direct the vote and to dispose or to direct the disposition of 7,413,700
Shares.
Page 12 of 24 pages
SPO Advisory Partners
Acting through its sole general partner and in its capacity as the sole
general partner of SPO, SPO Advisory Partners has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 7,413,700
Shares.
SFP
Acting through its sole general partner, SFP has the sole power to vote
or to direct the vote and to dispose or to direct the disposition of 309,400
Shares.
SF Advisory Partners
Acting through its sole general partner and in its capacity as the sole
general partner of SFP, SF Advisory Partners has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 309,400 Shares.
SPO Advisory Corp.
Acting through its controlling persons and in its capacities as the
sole general partner of each of SPO Advisory Partners and SF Advisory Partners,
SPO Advisory Corp. has the sole power to vote or to direct the vote and to
dispose or to direct the disposition of 7,723,100 Shares in the aggregate.
JHS
As one of three controlling persons of SPO Advisory Corp., which is the
sole general partner of each of SPO Advisory Partners and SF Advisory Partners,
JHS may be deemed to have shared power with WEO and WJP to vote or to direct the
vote and to dispose or to direct the disposition of 7,723,100 Shares held by
SPO and SFP in the aggregate.
WEO
As one of three controlling persons of SPO Advisory Corp., which is the
sole general partner of each of SPO Advisory Partners and SF Advisory Partners,
WEO may be deemed to have shared power with JHS and WJP to vote or to direct the
vote and to dispose or to direct the disposition of 7,723,100 Shares held by
SPO and SFP in the aggregate.
WJP
As one of three controlling persons of SPO Advisory Corp., which is the
sole general partner of each of SPO Advisory Partners and SF Advisory Partners,
WJP may be deemed to have shared power with JHS and WEO to vote or to direct the
vote and to dispose or to direct the disposition of 7,723,100 Shares held by
SPO and SFP in the aggregate.
(c) Since the most recent filing on Schedule 13D, the Reporting Persons
purchased Shares in open market transactions as set forth on Schedule I attached
hereto.
Page 13 of 24 pages
Except as set forth in this paragraph (c), to the best of the knowledge
of each of the Reporting Persons, none of the persons named in response to
paragraph (a) has effected any transactions in Shares during the past 60 days.
(d) Each of the Reporting Persons affirms that no person other than
such Reporting Person has the right to receive or the power to direct the
receipt of distributions with respect to, or the proceeds from the sale of,
Shares owned by such Reporting Person.
(e) Not applicable.
ITEM 7. MATERIAL TO BE FILED AS EXHIBITS.
Item 7 is hereby amended and restated in its entirety as follows:
Exhibit A: Agreement pursuant to Rule 13d-1(k)
Page 14 of 24 pages
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
Dated November 8, 2005 By: /s/ Kim M. Silva
--------------------------------
Kim M. Silva
Attorney-in-Fact for:
SPO PARTNERS II, L.P.(1)
SPO ADVISORY PARTNERS, L.P.(1)
SAN FRANCISCO PARTNERS II, L.P.(1)
SF ADVISORY PARTNERS, L.P.(1)
SPO ADVISORY CORP.(1)
JOHN H. SCULLY(1)
WILLIAM E. OBERNDORF(1)
WILLIAM J. PATTERSON(1)
(1) A Power of Attorney
authorizing Kim M. Silva to
act on behalf of this
person or entity has been previously
filed with the Securities and
Exchange Commission.
Page 15 of 24 pages
SCHEDULE I TO SCHEDULE 13D
DATE OF PRICE PER WHERE/HOW TRANSACTION
REPORTING PERSON TRANSACTION TYPE NUMBER OF SHARES SHARE ($) EFFECTED
---------------------------- ----------- ---- ---------------- --------- ----------------------
SPO Partners II, L.P. 10/21/05 Buy 100 31.49 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 100 31.52 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 200 31.53 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,600 31.54 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,600 31.55 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 600 31.56 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 800 31.57 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,400 31.58 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 3,200 31.59 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 2,200 31.60 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,800 31.61 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,500 31.62 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,300 31.63 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,200 31.64 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,400 31.65 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,700 31.66 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 900 31.67 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 3,400 31.68 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,200 31.69 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 2,100 31.70 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,400 31.71 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 2,100 31.72 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 3,200 31.73 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,600 31.74 Open Market/Broker
Page 16 of 24 pages
SCHEDULE I TO SCHEDULE 13D
DATE OF PRICE PER WHERE/HOW TRANSACTION
REPORTING PERSON TRANSACTION TYPE NUMBER OF SHARES SHARE ($) EFFECTED
---------------------------- ----------- ---- ---------------- --------- ----------------------
SPO Partners II, L.P. 10/21/05 Buy 2,100 31.75 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 800 31.76 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,300 31.77 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 100 31.78 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 1,100 31.79 Open Market/Broker
SPO Partners II, L.P. 10/21/05 Buy 100 31.80 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 100 31.63 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 400 31.66 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 300 31.67 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 100 31.68 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 200 31.69 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 900 31.70 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 900 31.71 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 700 31.72 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 2,200 31.73 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 200 31.74 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 400 31.75 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 400 31.76 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 400 31.77 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 600 31.79 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 300 31.82 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 200 31.84 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 400 31.85 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 800 31.86 Open Market/Broker
Page 17 of 24 pages
SCHEDULE I TO SCHEDULE 13D
DATE OF PRICE PER WHERE/HOW TRANSACTION
REPORTING PERSON TRANSACTION TYPE NUMBER OF SHARES SHARE ($) EFFECTED
---------------------------- ----------- ---- ---------------- --------- ----------------------
SPO Partners II, L.P. 10/25/05 Buy 400 31.87 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 100 31.88 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 200 31.89 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 100,300 31.90 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 500 31.92 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 100 31.93 Open Market/Broker
SPO Partners II, L.P. 10/25/05 Buy 200 31.96 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 500 32.47 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 1,300 32.48 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 3,300 32.49 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 8,600 32.50 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 100 32.60 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 2,700 32.61 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 5,300 32.62 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 100 32.65 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 1,200 32.66 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 300 32.67 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 2,000 32.69 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 38,200 32.70 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 1,400 32.71 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 3,200 32.72 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 8,600 32.73 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 7,300 32.74 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 8,200 32.75 Open Market/Broker
Page 18 of 24 pages
SCHEDULE I TO SCHEDULE 13D
DATE OF PRICE PER WHERE/HOW TRANSACTION
REPORTING PERSON TRANSACTION TYPE NUMBER OF SHARES SHARE ($) EFFECTED
---------------------------- ----------- ---- ---------------- --------- ----------------------
SPO Partners II, L.P. 10/26/05 Buy 100 32.76 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 100 32.78 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 200 32.79 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 100 32.81 Open Market/Broker
SPO Partners II, L.P. 10/26/05 Buy 400 32.83 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 600 32.30 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 400 32.31 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 500 32.32 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,300 32.33 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,100 32.34 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 600 32.35 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 400 32.36 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 600 32.38 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,100 32.39 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 600 32.40 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 200 32.41 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,200 32.42 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,100 32.43 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,500 32.44 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,600 32.45 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 3,100 32.46 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,700 32.47 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 3,200 32.48 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,700 32.49 Open Market/Broker
Page 19 of 24 pages
SCHEDULE I TO SCHEDULE 13D
DATE OF PRICE PER WHERE/HOW TRANSACTION
REPORTING PERSON TRANSACTION TYPE NUMBER OF SHARES SHARE ($) EFFECTED
---------------------------- ----------- ---- ---------------- --------- ----------------------
SPO Partners II, L.P. 10/27/05 Buy 1,900 32.50 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,200 32.51 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,500 32.52 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,200 32.53 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 1,700 32.54 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 2,500 32.55 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 700 32.56 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 300 32.57 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 700 32.58 Open Market/Broker
SPO Partners II, L.P. 10/27/05 Buy 300 32.59 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,300 30.50 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,600 30.65 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,400 30.80 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,500 30.87 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 800 30.90 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 200 30.93 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,200 30.94 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 600 30.95 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 400 30.98 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,100 30.99 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 13,500 31.00 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 7,400 31.01 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 5,300 31.02 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 2,100 31.03 Open Market/Broker
Page 20 of 24 pages
SCHEDULE I TO SCHEDULE 13D
DATE OF PRICE PER WHERE/HOW TRANSACTION
REPORTING PERSON TRANSACTION TYPE NUMBER OF SHARES SHARE ($) EFFECTED
---------------------------- ----------- ---- ---------------- --------- ----------------------
SPO Partners II, L.P. 11/4/05 Buy 8,000 31.04 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 3,700 31.05 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 15,300 31.06 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 6,600 31.07 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 5,000 31.08 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 4,900 31.09 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 30,400 31.10 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 4,600 31.11 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 4,900 31.12 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 100 31.13 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,100 31.14 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 251,900 31.15 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 9,900 31.16 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 3,700 31.17 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 4,900 31.18 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 4,200 31.19 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 5,800 31.20 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 2,300 31.21 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 2,000 31.22 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 900 31.23 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 2,700 31.24 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 3,800 31.25 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 3,400 31.26 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 4,100 31.27 Open Market/Broker
Page 21 of 24 pages
SCHEDULE I TO SCHEDULE 13D
DATE OF PRICE PER WHERE/HOW TRANSACTION
REPORTING PERSON TRANSACTION TYPE NUMBER OF SHARES SHARE ($) EFFECTED
---------------------------- ----------- ---- ---------------- --------- ----------------------
SPO Partners II, L.P. 11/4/05 Buy 1,300 31.28 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,800 31.29 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 2,600 31.30 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,300 31.31 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 2,000 31.32 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 400 31.34 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 600 31.35 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,200 31.36 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,500 31.37 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 400 31.38 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 2,900 31.40 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,400 31.41 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 600 31.42 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 600 31.43 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 300 31.44 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 1,100 31.45 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 300 31.46 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 3,200 31.47 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 600 31.48 Open Market/Broker
SPO Partners II, L.P. 11/4/05 Buy 3,300 31.50 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 200 30.95 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 1,300 30.96 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 400 30.97 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 300 30.98 Open Market/Broker
Page 22 of 24 pages
SCHEDULE I TO SCHEDULE 13D
DATE OF PRICE PER WHERE/HOW TRANSACTION
REPORTING PERSON TRANSACTION TYPE NUMBER OF SHARES SHARE ($) EFFECTED
---------------------------- ----------- ---- ---------------- --------- ----------------------
SPO Partners II, L.P. 11/7/05 Buy 4,400 30.99 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 267,100 31.00 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 14,800 31.01 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 6,800 31.02 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 7,800 31.03 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 6,400 31.04 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 7,100 31.05 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 4,900 31.06 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 500 31.07 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 2,000 31.08 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 1,000 31.09 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 33,300 31.10 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 10,300 31.11 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 3,500 31.12 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 3,800 31.13 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 5,600 31.14 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 33,600 31.15 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 10,200 31.16 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 7,700 31.17 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 4,300 31.18 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 3,900 31.19 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 13,200 31.20 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 1,800 31.21 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 3,100 31.22 Open Market/Broker
Page 23 of 24 pages
SCHEDULE I TO SCHEDULE 13D
DATE OF PRICE PER WHERE/HOW TRANSACTION
REPORTING PERSON TRANSACTION TYPE NUMBER OF SHARES SHARE ($) EFFECTED
---------------------------- ----------- ---- ---------------- --------- ----------------------
SPO Partners II, L.P. 11/7/05 Buy 2,400 31.23 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 700 31.24 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 1,900 31.25 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 1,000 31.26 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 200 31.27 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 3,000 31.30 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 1,300 31.31 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 400 31.36 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 100 31.43 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 700 31.44 Open Market/Broker
SPO Partners II, L.P. 11/7/05 Buy 500 31.48 Open Market/Broker
Page 24 of 24 pages
EXHIBIT INDEX
EXHIBIT DOCUMENT DESCRIPTION PAGE NO.
------- ------------------------------------ --------
A Agreement Pursuant to Rule 13d-1(k) 1