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1.           NAME OF REPORTING PERSON       SPO Advisory Corp.
2.           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a)  o (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)  o
6.           CITIZENSHIP OR PLACE OF ORGANIZATION       Delaware
Number of Shares Beneficially Owned By Each Reporting Person With	7.           SOLE VOTING POWER       16,978,126 (1) (2)
	8.           SHARED VOTING POWER               -0-
	9.           SOLE DISPOSITIVE POWER       16,978,126 (1) (2)
	10.         SHARED DISPOSITIVE POWER               -0-
11.           AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON         16,978,126
12.           CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  o
13.           PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)         9.4%
14.           TYPE OF REPORTING PERSON                 CO

 

 

(1)	Power is exercised through its controlling person, director and executive officer, John H. Scully.

 

(1)	Power is exercised through its controlling person, director and executive officer, John H. Scully.

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This Amendment No. 4 amends the Schedule 13D (the “Original 13D”) filed with the Securities and Exchange Commission (“SEC”) on December 29, 2014 and as amended on January 7, 2015, January 9, 2015 and March 5, 2015. Unless otherwise stated herein, the Original 13D, as previously amended, remains in full force and effect. Terms used therein and not defined herein shall have the meanings ascribed thereto in the Original 13D.

ITEM 2. IDENTITY AND BACKGROUND.

 

Item 2(a) is hereby amended and restated in its entirety as follows:

 

(a) The undersigned hereby file this Schedule 13D Statement on behalf of SPO Partners II, L.P., a Delaware limited partnership (“SPO”), SPO Advisory Partners, L.P., a Delaware limited partnership (“SPO Advisory Partners”), San Francisco Partners, L.P., a California limited partnership (“SFP”), SF Advisory Partners, L.P., a Delaware limited partnership (“SF Advisory Partners”), SPO Advisory Corp., a Delaware corporation (“SPO Advisory Corp.”), John H. Scully (“JHS”), Eli J. Weinberg (“EJW”), Ian R. McGuire (“IRM”), Phoebe Snow Foundation, Inc., a California corporation (“PS Foundation”), and Scully Memorial Foundation, a California corporation (“SM Foundation”). SPO, SPO Advisory Partners, SFP, SF Advisory Partners, SPO Advisory Corp., JHS, EJW, IRM, PS Foundation and SM Foundation are sometimes hereinafter referred to as the “Reporting Persons.” The Reporting Persons are making this single, joint filing because they may be deemed to constitute a “group” within the meaning of Section 13(d)(3) of the Act, although neither the fact of this filing nor anything contained herein shall be deemed to be an admission by the Reporting Persons that a group exists.

The Original 13D, as amended, listed Edward H. McDermott (“EHM”) as a “Reporting Person.”  As of April 30, 2015, EHM was no longer a controlling person of SPO Advisory Corp.  As a result, EHM is no longer a “Reporting Person” for all purposes under this Amendment and the Original 13D, as amended.

All references to EHM in Item 2(b)-2(c) are hereby deleted in their entirety.

 

The following subsections of Item 2(b)-(c) are hereby amended and restated in their entirety as follows:

 

JHS

 

JHS’ business address is 591 Redwood Highway, Suite 3215, Mill Valley, California 94941. His present principal occupation is serving as a managing director of SPO Partners & Co., a Delaware corporation. The principal business of SPO Partners & Co. is operating as an investment firm. The principal business address of SPO Partners & Co., which serves as its principal office, is 591 Redwood Highway, Suite 3215, Mill Valley, California 94941. JHS is one of two controlling persons of SPO Advisory Corp., the sole general partner of each of SPO Advisory Partners and SF Advisory Partners.

 

EJW

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SFP

The aggregate number of Shares that SFP owns beneficially, pursuant to Rule 13d-3 of the Act, is 1,175,400 Shares, which constitutes approximately 0.7% 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 1,175,400 Shares, which constitutes approximately 0.7% 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 16,978,126 Shares in the aggregate, which constitutes approximately 9.4% of the outstanding Shares.

JHS

Individually, and 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 17,833,926 Shares in the aggregate, which constitutes approximately 9.9% of the outstanding Shares.

EJW

Individually, and because of his position as a control person of SPO Advisory Corp., EJW may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of 16,978,126 Shares in the aggregate, which constitutes approximately 9.4% of the outstanding Shares.

IRM

The aggregate number of Shares that IRM owns beneficially, pursuant to Rule 13d-3 of the Act, is 1,842 Shares, which constitutes less than 0.1% of the outstanding Shares.

PS Foundation

The aggregate number of Shares that PS Foundation owns beneficially, pursuant to Rule 13d-3 of the Act, is 157,800 Shares, which constitutes less than 0.1% of the outstanding Shares.

SM Foundation

The aggregate number of Shares that SM Foundation owns beneficially, pursuant to Rule 13d-3 of the Act, is 698,000 Shares, which constitutes approximately 0.4% 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.

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(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 15,802,726 Shares.

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 15,802,726 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 1,175,400 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 1,175,400 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 16,978,126 Shares in the aggregate.

JHS

As one of two 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 EJW to vote or to direct the vote and to dispose or to direct the disposition of 16,978,126 Shares held by SPO and SFP in the aggregate. In addition, in his capacity as executive officer, director and controlling person of PS Foundation and in his capacity as executive officer, director and controlling person of SM Foundation, JHS has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 157,800 Shares held by PS Foundation and 698,000 Shares held by SM Foundation.

EJW

As one of two controlling persons of SPO Advisory Corp., which is the sole general partner of each of SPO Advisory Partners and SF Advisory Partners, EJW may be deemed to have shared power with JHS to vote or to direct the vote and to dispose or to direct the disposition of 16,978,126 Shares held by SPO and SFP in the aggregate.

IRM

IRM has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 1,842 Shares.

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PS Foundation

Acting through its controlling person, PS Foundation has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 157,800 Shares.

SM Foundation

Acting through its controlling person, SM Foundation has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 698,000 Shares.

(c)  Within the past 60 days of the date of this Schedue 13D, the Reporting Persons sold Shares in open market transactions on the New York Stock Exchange as set forth on Schedule I attached hereto.

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 in 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.

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