Document:

Second Amendment and Waiver to Amended and Restated Credit Agreement

 Exhibit 4.1 
 SECOND AMENDMENT AND WAIVER 
 TO 
 AMENDED AND RESTATED CREDIT AGREEMENT 
 This SECOND AMENDMENT AND WAIVER dated
as of September 28, 2006, is among Plains Exploration & Production Company, a Delaware corporation (the “Borrower”), the undersigned lenders party thereto (the “Lenders”) and JPMorgan Chase Bank, N.A.,
a national banking association, as Administrative Agent for the Lenders (the “Administrative Agent”). 
 RECITALS

 A. The Borrower, the Lenders and the Administrative Agent are parties to an Amended and Restated Credit Agreement dated as of
May 16, 2005, as amended by the First Amendment to Amended and Restated Credit Agreement dated as of November 1, 2005 (the “Credit Agreement”) pursuant to which the Lenders have agreed to make revolving loans and other
extensions of credit available to the Borrower. 
 B. The Borrower desires to (i) redeem its Senior Notes or amend the indenture under
which the Senior Notes were issued and (ii) purchase pursuant to a tender offer its Senior Subordinated Notes and amend the indenture under which the Senior Subordinated Notes were issued and has requested that the Lenders consent to such
redemption and purchase and permit the payment of consent fees with respect to such amendments. Additionally, pursuant to a Purchase and Sale Agreement dated as of August 6, 2006, among the Borrower, certain subsidiaries of the Borrower, and
certain subsidiaries of Occidental Petroleum Corporation, the Borrower has agreed to sell to certain subsidiaries of Occidental Petroleum Corporation the oil and gas properties described therein. 
 C. In connection with the redemption and purchase by the Borrower of its Senior Notes and Senior Subordinated Notes, any amendments to the related
indentures and the sale by the Borrower of certain of its oil and gas properties to certain subsidiaries of Occidental Petroleum Corporation, the Borrower has requested that the Credit Agreement be amended to reduce the Borrowing Base and to permit
certain investments as more fully set forth herein and that the Lenders waive the prohibition of the payment of a fee with respect to such amendments to the indentures, and the undersigned Lenders are willing to do so subject to the terms and
conditions set forth herein and provided that the Borrower and the Guarantors ratify and confirm all of their respective obligations under the Credit Agreement and the other Loan Documents. 
 NOW, THEREFORE, in consideration of the foregoing and the mutual covenants set forth in this amendment, the Borrower, the Lenders and the Administrative
Agent agree as follows: 
 1. Defined Terms. Unless otherwise defined herein, capitalized terms used herein have the respective
meanings assigned to such terms in the Credit Agreement. 

 2. Amendments to Credit Agreement. The Credit Agreement is hereby amended as follows: 

(a) The definition of Borrowing Base in Section 1.02 is hereby amended to read as follows: 
 “‘Borrowing Base’ means (i) during the period beginning on the Specified Date and ending on November 1,
2006, $1,000,000,000 and (ii) at any other time an amount determined in accordance with Section 2.07, in each case as the same may be adjusted from time to time pursuant to Section 8.13(c), Section 9.02(k) or
Section 9.13(e).” 
 (b) Section 1.02 of the Credit Agreement is hereby amended by inserting after the
definition of “Notes” the following new definition: 
 “‘Occidental Agreement’” means the
Purchase and Sale Agreement dated as of August 6, 2006, among the Borrower, certain subsidiaries of the Borrower and certain subsidiaries of Occidental Petroleum Corporation.” 
 (c) Section 1.02 of the Credit Agreement is hereby amended by inserting after the definition of “Senior Subordinated Notes”
the following new definitions: 
 “‘Specified Date’ means the earlier of (i) the date on which the
Borrower consummates the sale of Oil and Gas Properties pursuant to the Occidental Agreement, (ii) the date on which the Borrower issues Specified Notes and (iii) the date on which the Borrower first Redeems any of the Senior Notes or the
Senior Subordinated Notes.” 
 “‘Specified Notes’ means up to $600,000,000 aggregate principal
amount of Permitted Additional Notes issued after September 28, 2006, and prior to November 1, 2006.” 
 (d)
Section 9.02(k) is hereby amended by inserting in clause (vii) thereof after the first use of “Permitted Additional Notes” therein the phrase “(other than Specified Notes)”. 
 (e) Section 9.04(a)(v) is hereby amended by inserting immediately prior to the semicolon therein the phrase “(for this purpose
the Redemption by the Borrower of the Senior Notes and the Senior Subordinated Notes shall not be considered to have been made pursuant to Section 9.04(b)(i))”. 
 (f) The proviso in Section 9.04(b)(i) is hereby amended to read as follows: 
 “provided, however, that (A) the Borrower may Redeem Senior Notes, Senior Subordinated Notes or Permitted Additional Notes to the
extent that it could make a Restricted Payment in respect of Equity Interests under Section 9.04(a)(v) and (B) the Borrower may Redeem all or a portion of the Senior Notes and Senior Subordinated Notes prior to January 31, 2007”.

  

 - 2 - 

 (g) Section 9.05(l) is hereby amended in its entirety as follows: 
 “(l) Investments in Unrestricted Subsidiaries, provided that (i) the aggregate amount of all such Investments at any one time
shall not exceed $50,000,000 (or its equivalent in other currencies as of the date of Investment), (ii) the Borrowing Base Utilization Percentage is less than 80% immediately before and immediately after giving effect to such Investment and
(iii) at the time of such Investment no Event of Default then exists.” 
 (h) Section 9.13 is hereby amended by
inserting at the end of clause (ii) thereof the following phrase: 
 “ except as otherwise provided in the definition of
“Borrowing Base” with respect to the sale of Oil and Gas Properties pursuant to the Occidental Agreement.” 
 3.
Waiver. The undersigned Lenders hereby waive compliance by the Borrower with Section 9.04(b) to the extent necessary to permit the Borrower to take the following actions: 
 (a) Payment of a fee to the holders of the Senior Subordinated Notes for the purpose of obtaining their consent to an amendment of the
indenture under which the Senior Subordinated Notes were issued to remove certain of the covenants set forth therein; and 
 (b) Payment of a fee to the holders of the Senior Notes for the purpose of obtaining their consent to an amendment of the indenture under which the Senior Notes were issued to remove and/or amend certain of the covenants set forth therein.

 4. Conditions to Effectiveness. This amendment shall become effective on the date on which the following conditions have been
satisfied or waived: 
 (a) The representations and warranties of the Borrower set forth in Section 5 shall be true and
correct in all material respects, except to the extent any such representations and warranties are expressly limited to an earlier date, in which case, such representations and warranties shall continue to be true and correct as of such specified
earlier date; 
 (b) The Administrative Agent shall have received this amendment, executed and delivered by the Borrower, the
Administrative Agent and the Super-majority Lenders; and 
 (c) Each Guarantor shall have executed and delivered an
acknowledgment and confirmation to this amendment substantially in the form of Exhibit A hereto. 
 5. Representations and Warranties.
The Borrower hereby represents and warrants to the Administrative Agent and each of the Lenders as follows: 
 (a) This
amendment has been duly authorized by all necessary corporate action and constitutes the a legal, valid and binding obligation of the Borrower , 

  

 - 3 - 

 
enforceable in accordance with its terms, subject to applicable bankruptcy, insolvency, reorganization, fraudulent transfer or conveyance, moratorium or
other laws affecting creditors’ rights generally and subject to general principles of equity, regardless of whether considered in a proceeding in equity or at law and an implied covenant of good faith and fair dealing. 
 (b) Each of the representations and warranties made by the Borrower or its Subsidiaries in or pursuant to the Credit Agreement and the
other Loan Documents is true and correct in all material respects as of the date hereof, as if made (after giving effect to this amendment) on and as of such date, except for any representations and warranties made as of a specified date, which are
true and correct in all material respects as of such specified date. 
 (c) No Default or Event of Default has occurred and is
continuing as of the date hereof, after giving effect to the terms of this Second Amendment. 
 6. Continuing Effect of the Credit
Agreement. Except as expressly stated herein, this amendment shall not constitute a waiver of any provision of the Credit Agreement, and shall not be construed as a consent to any action on the part of the Borrower, that would require a waiver
or consent of the Lenders or an amendment or modification to any term of the Loan Documents. The Borrower hereby confirms and ratifies the Credit Agreement and each of the other Loan Documents as amended and waived hereby and acknowledges and agrees
that the same shall continue in full force and effect as amended and waived hereby. 
 7. Reference to the Credit Agreement. Upon the
effectiveness of this amendment, each reference in the Credit Agreement to “this Credit Agreement,” “hereunder,” “herein” or words of like import refers to the Credit Agreement, as amended and waived hereby. 

8. Counterparts. This amendment may be executed by all parties hereto in any number of separate counterparts each of which may be delivered in
original or facsimile form and all of such counterparts taken together are deemed to constitute one and the same instrument. 
 9.
References. The words “hereby,” “herein,” “hereinabove,” “hereinafter,” “hereinbelow,” “hereof,” “hereunder” and words of similar import when used in this amendment refer
to this amendment as a whole and not to any particular section or provision of this amendment. References in this amendment to a section number are to such sections of the Credit Agreement unless otherwise specified. 
 10. Headings Descriptive. The headings of the several sections of this amendment are inserted for convenience only and shall not in any way affect
the meaning or construction of any provision of this amendment. 
 11. Governing Law. This amendment shall be governed by and
construed in accordance with the law of the State of New York. 
 12. Payment of Expenses. The Borrower shall pay or reimburse the
Administrative Agent for all of its reasonable out-of-pocket costs incurred in connection with this amendment, any other documents prepared in connection herewith and the transactions contemplated hereby, 

  

 - 4 - 

 
including, without limitation, the reasonable fees and disbursements of counsel to the Administrative Agent. 
 13. Final Agreement of the Parties. THIS AMENDMENT, THE CREDIT AGREEMENT AND THE OTHER LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT BETWEEN THE
PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS AMONG THE PARTIES. 
 [Signature Pages Follow] 
  

 - 5 - 

 IN WITNESS WHEREOF, the parties are signing this amendment as of the date first above written.

  

			
	PLAINS EXPLORATION & PRODUCTION COMPANY
		
	By:	 	 /s/ Winston M. Talbert

	 Name:
	 	 Winston M. Talbert

	 Title:
	 	 Executive Vice President & Chief Financial
 Officer

  

 - 6 - 

									
	 ADMINISTRATIVE AGENT:
	 		 	 JPMORGAN CHASE BANK, N.A., as a Lender
 and as Administrative Agent

					
		 		 		 	 By:
	 	 /s/ Jo Linda Papadakis

		 		 		 		 	 Jo Linda Papadakis

		 		 		 		 	 Vice President

  

 - 7 - 

									
	 LENDERS:
	 		 	 BANK OF AMERICA, N.A., as a Lender and as a
 Co-Syndication Agent

					
		 		 		 	 By:
	 	 /s/ Ronald E. McKaig

		 		 		 	 Name:
	 	 Ronald E. McKaig

		 		 		 	 Title:
	 	 Senior Vice President

  

 - 8 - 

			
	 HARRIS NESBITT FINANCING, INC., as a
 Lender and as a Co-Syndication Agent

		
	By:	 	  
	 Name:
	 	
	 Title:
	 	

  

 - 9 - 

			
	 THE BANK OF NOVA SCOTIA, as a Lender and
 as a Co-Documentation Agent

		
	 By:
	 	 /s/ N. Bell

	 Name:
	 	 N. Bell

	 Title:
	 	 Senior Manager

  

 - 10 - 

			
	 SCOTIABANC, INC., as a Lender and as a Co-
 Documentation Agent

		
	By:	 	 /s/ William E. Zarrett

	 Name:
	 	 William E. Zarrett

	 Title:
	 	 Managing Director

  

 - 11 - 

			
	 BNP PARIBAS, as a Lender and as a Co-
 Documentation Agent

		
	By:	 	 /s/ Brian M. Malong

	 Name:
	 	 Brian M. Malong

	 Title:
	 	 Managing Director

		
	By:	 	 /s/ Greg Smothers

	 Name:
	 	 Greg Smothers

	 Title:
	 	 Vice President

  

 - 12 - 

			
	 BANK OF SCOTLAND, as a Lender

		
	By:	 	 /s/ Karen Weich

	 Name:
	 	 Karen Weich

	 Title:
	 	 AVP

  

 - 13 - 

			
	 CALYON NEW YORK BRANCH, as a Lender

		
	By:	 	 /s/ Tom Byargeon

	 Name:
	 	 Tom Byargeon

	 Title:
	 	 Managing Director

		
	By:	 	 /s/ John Grandstaff

	 Name:
	 	 John Grandstaff

	 Title:
	 	 Director

  

 - 14 - 

			
	 CITICORP NORTH AMERICA, INC., as a
 Lender

		
	By:	 	 /s/ John F. Miller

	 Name:
	 	 John F. Miller

	 Title:
	 	 Attorney – In – Fact

  

 - 15 - 

			
	 DEUTSCHE BANK TRUST COMPANY
 AMERICAS, as a Lender

		
	By:	 	 /s/ Carin Keegan

	 Name:
	 	 Carin Keegan

	 Title:
	 	 Vice President

		
	By:	 	 /s/ Susan LeFevre

	 Name:
	 	 Susan LeFevre

	 Title:
	 	 Director

  

 - 16 - 

			
	 FORTIS CAPITAL CORP., as a Lender

		
	By:	 	 /s/ Scott Myatt

	 Name:
	 	 Scott Myatt

	 Title:
	 	 Vice President

		
	By:	 	 /s/ Darrell Holley

	 Name:
	 	 Darrell Holley

	 Title:
	 	 Managing Director

  

 - 17 - 

			
	 THE ROYAL BANK OF SCOTLAND PLC, as a
 Lender

		
	By:	 	 /s/ Douglas A. Whiddon

	 Name:
	 	 Douglas A. Whiddon

	 Title:
	 	 Senior Vice President

  

 - 18 - 

			
	 TORONTO DOMINION (TEXAS) LLC, as a
 Lender

		
	By:	 	 /s/ Debbi Brito

	 Name:
	 	 Debbi Brito

	 Title:
	 	 Authorized Signatory

  

 - 19 - 

			
	 WACHOVIA BANK, NATIONAL
 ASSOCIATION, as a Lender

		
	By:	 	 /s/ Chris Hewitt

	 Name:
	 	 Chris Hewitt

	 Title:
	 	 Vice President

  

 - 20 - 

			
	 COMERICA BANK, as a Lender

		
	By:	 	 /s/ Juli Bieser

	 Name:
	 	 Juli Bieser

	 Title:
	 	 Vice President

  

 - 21 - 

			
	 UBS LOAN FINANCE LLC, as a Lender

		
	By:	 	 /s/ Richard L. Tavrow

	 Name:
	 	 Richard L. Tavrow

	 Title:
	 	 Director

		
	By:	 	 /s/ Irja R. Otsa

	 Name:
	 	 Irja R. Otsa

	 Title:
	 	 Associate Director

  

 - 22 - 

			
	 WELLS FARGO BANK, N.A., as a Lender

		
	By:	 	 /s/ Paul A. Squires

	 Name:
	 	 Paul A. Squires

	 Title:
	 	 Vice President

  

 - 23 - 

			
	 MORGAN STANLEY BANK, as a Lender

		
	By:	 	 /s/ Daniel Twenge

	 Name:
	 	 Daniel Twenge

	 Title:
	 	 Authorized Signatory

  

 - 24 - 

			
	 GOLDMAN SACHS CREDIT PARTNERS L.P.,
 as a lender

		
	By:	 	 /s/ Philip F. Green

	 Name:
	 	 Philip F. Green

	 Title:
	 	 Authorized Signatory

  

 - 25 - 

 EXHIBIT A 
 ACKNOWLEDGMENT AND CONFIRMATION 
 In connection with the Second Amendment and Waiver to Amended and
Restated Credit Agreement dated as of September 28, 2006 (the “Second Amendment”), among Plains Exploration & Production Company, a Delaware corporation (the “Borrower”), the lenders party thereto, and
JPMorgan Chase Bank, N.A., as Administrative Agent, each of the undersigned persons, as a Guarantor under the Guaranty Agreement dated as of May 16, 2005 (as amended, supplemented or otherwise modified from time to time, the
“Guaranty”) made by each such Person in favor of the Administrative Agent for the ratable benefit of the Guaranteed Creditors (as defined therein), (a) acknowledges the execution and delivery of the Second Amendment by the
Borrower and the effect of the provisions of the Second Amendment and (b) confirms that each Loan Document (as the same may be amended or waived, as the case may be, pursuant to and in connection with the Second Amendment) to which it is a
party or otherwise bound remains in full force and effect and that all collateral encumbered thereby will continue to secure, to the fullest extent possible, the payment and performance of all Indebtedness, including without limitation the payment
and performance of all such Indebtedness in respect of the Indebtedness now or hereafter existing under or in respect of the Credit Agreement and the other Loan Documents. The Guarantors specifically reaffirm and extend their obligations under the
Guaranty to cover all Indebtedness evidenced by the Credit Agreement as same has been created, amended and/or waived by or in connection with the Second Amendment. The Guaranty and all the terms thereof shall remain in full force and effect and the
Guarantors hereby acknowledge and agree that same are valid and existing and that each of the Guarantors’ obligations thereunder shall not be impaired or limited by the execution or effectiveness of this Second Amendment. Each Guarantor hereby
represents and warrants that all representations and warranties contained in the Second Amendment and the other Loan Documents to which it is a party or otherwise bound are true, correct and complete in all material respects on and as of the
effective date of the Second Amendment, except to the extent such representations and warranties specifically relate to an earlier date, in which case they were true, correct and complete in all material respects on and as of such earlier date. The
Lenders hereby preserve all their respective rights against each Guarantor under the Guaranty and the other Loan Documents to which each Guarantor is a party. 
 Each Guarantor acknowledges and agrees that (i) notwithstanding the conditions to the effectiveness set forth in this Second Amendment, such Guarantor is not required by the terms of the Credit Agreement, this
Second Amendment or any other Loan Document to consent to the amendments and waivers of the Credit Agreement effected pursuant to this Second Amendment; and (ii) nothing in the Credit Agreement, this Second Amendment or any other Loan Document
shall be deemed to require the consent of such Guarantor to any future amendments or waivers to the Credit Agreement. 
 Capitalized terms
used herein without definition have the respective meanings assigned to such terms in the Credit Agreement dated as of May 16, 2005, among the Borrower, the lenders party thereto, and the Administrative Agent, as amended, modified or
supplemented. 
 [Signatures on following page] 

			
	 ARGUELLO INC.
 BROWN PXP
PROPERTIES, LLC
 NUEVO GHANA INC.
 NUEVO
INTERNATIONAL INC.
 NUEVO OFFSHORE COMPANY
 NUEVO
RESOURCES INC.
 PACIFIC INTERSTATE OFFSHORE COMPANY
 PLAINS LOUISIANA INC.
 PLAINS RESOURCES INTERNATIONAL, INC.
 PXP GULF COAST INC.
 PXP LOUISIANA L.L.C.
 By: PXP Louisiana Inc., its sole member
 PXP PERMIAN INC.
 PXP TEXAS INC.
 PXP
TEXAS LIMITED PARTNERSHIP
 By: PXP Texas Inc., its general partner
 PXP DEEPWATER L.L.C.

		
	 By:
	 	 /s/ Winston M. Talbert

	 Name:
	 	 Winston M. Talbert

	 Title:
	 	 Vice President and Treasurer

	
	CANE RIVER DEVELOPMENT LLC
		
	 By:
	 	 /s/ John F. Wombwell

	 Name:
	 	 John F. Wombwell

	 Title:
	 	 Vice President & Secretary

  

 Exhibit A 
 Page 2 of 2Amendment to Purchase and Sale Agreement dated September 29, 2006

 Exhibit 10.1 
 AMENDMENT TO PURCHASE AND SALE AGREEMENT 
 This Amendment to Purchase and Sale Agreement is dated
this 29th day of September, 2006, by and among Plains Exploration & Production Company, PXP Gulf Coast Inc., PXP Texas Limited Partnership, Brown PXP Properties, LLC, PXP Louisiana L.L.C., and PXP Texas, Inc. (collectively
“Sellers”) and Vintage Production California LLC, Occidental of Elk Hills, Inc., Occidental Permian Ltd., Oxy USA Inc. and Occidental International Oil & Gas Ltd. (collectively “Buyers”); 
 WHEREAS, Plains Exploration & Production Company, PXP Gulf Coast Inc., PXP Texas Limited Partnership, and Brown PXP Properties, LLC and Buyers
have entered into that certain Purchase and Sale Agreement dated August 6, 2006 (the “Agreement”); 
 WHEREAS, the parties
have determined that to consummate the transactions contemplated in the Agreement two additional subsidiaries of Plains Exploration & Production Company need to be added as Sellers in the Agreement, Vintage Petroleum, LLC and LP 260, L.L.C.
need to be added as a Buyer under the Agreement and Occidental International Oil & Gas Ltd. need not be a Buyer under the Agreement; 
 WHEREAS, Buyers are agreeable to adding the two subsidiaries of Plains Exploration & Production Company as Sellers to the Agreement, adding Vintage Petroleum, LLC and LP 260, L.L.C. as a Buyer under the Agreement and deleting
Occidental International Oil & Gas Ltd. as a Buyer under the Agreement, subject to the terms and conditions hereof; 
 WHEREAS, the
parties desire to enter into other amendments to the Agreement as set forth herein; and 
 WHEREAS, any term used herein which is not
specifically defined will have the meaning given to it in the Agreement. 
  

 NOW THEREFORE, for the mutual advantages to be obtained hereby, the parties hereto agree to amend the
Agreement as follows: 
  

	 	1.	To amend the definition of “Sellers” under the Agreement and list of the Sellers in the preamble to include the following two entities: “PXP Louisiana L.L.C., a
Delaware limited liability company and PXP Texas Inc., a Texas corporation.” 

  

	 	2.	That each of PXP Louisiana L.L.C. and PXP Texas Inc. have executed below to show their acceptance and ratification of all of the terms and conditions of the Agreement, including but
not limited to all representations, warranties and indemnities applicable to Sellers therein. 

  

	 	3.	Buyers agree that the following radio equipment of Sellers will be retained at the Buena Vista Hills lease after the Effective Date in order to allow Sellers to continue to link
their Bremer production offices and field locations until the earlier of (i) one hundred eighty (180) days after the date hereof, and (ii) sixty (60) days after the date that FCC licensing is obtained for placement of this radio
equipment at an alternate location of Sellers: 

 Time Warner Telecom Circuit: CKT ID 66/HCGS/100558/TWCS 
 Cisco 2801 router 
 Linksys workgroup switch

 Hopper radio and antenna at BV Hills 
 2 Hopper radios and 2 antennas at BV Hills Substation 
 Supporting UPS and cabling for above devices 
 Sellers agree that they will relocate this radio equipment to such alternate location by the earlier of the two times set forth above. 
  

	 	4.	The parties agree that the Form of Assignment and Form of Corporation Grant Deed set forth as Exhibit C-1 and C-2, respectively, to the Agreement have been revised to reflect
different jurisdictions’ recording and acknowledgement requirements and requests of the parties and are accepted by the parties in the form delivered at closing. 

	 	5.	To amend the definition of “Buyers” under the Agreement and list of the Buyers in the preamble to include “Vintage Petroleum, LLC and LP 260, L.L.C.” and exclude
“Occidental International Oil & Gas Ltd., a Bermuda corporation.” 

  

	 	6.	That Vintage Petroleum, LLC and LP 260, L.L.C. have executed below to show their respective acceptance and ratification of all of the terms and conditions of the Agreement,
including but not limited to all representations, warranties and indemnities applicable to it as a Buyer therein. 

  

	 	7.	The parties agree to delete Section 5.19 in its entirety and replace such section with the following: 

 “5.19 Status of Sellers. Sellers are not a “foreign person” within the meaning of Code Section 1445 and will furnish Buyers
with an affidavit that satisfies the requirements of Code Section 1445(b)(2), in the form attached as Exhibit D and a Real Estate Withholding Certificate, California Form 593-C, in the form attached as Exhibit D-1.”

 The parties further agree that (1) Exhibit D will be amended to add “Plains Louisiana Inc. (“Plains
Louisiana”), as sole member of PXP Louisiana L.L.C., PXP Texas Inc. (“Texas Inc.”),” immediately following (“PXP Texas)” in the introductory paragraph, (2) that Section 2 of
Exhibit D will be amended to add the following lines: 
 “Plains Louisiana’s taxpayer identification is 20-2076470 
 “Texas Inc.’s taxpayer identification is 75-2744301 
 and (3) that signature lines will be added to the end of Exhibit D as follows: 
  

			
	 “PLAINS EXPLORATION & PRODUCTION
 COMPANY”

		
	 By:
	 	  
	 Title:
	 	  

			
	 PXP GULF COAST INC.

		
	 By:
	 	  
	 Title:
	 	  
	
	 PXP TEXAS LIMITED PARTNERSHIP

		
	 By:
	 	  
	 Title:
	 	  
	
	 BROWN PXP PROPERTIES, LLC

		
	 By:
	 	  
	 Title:
	 	  
	
	 PLAINS LOUISIANA INC.

		
	 By:
	 	  
	 Title:
	 	  
	
	 PXP TEXAS INC.

		
	 By:
	 	  
	 Title:
	 	”

 The parties further agree that Exhibit D-1 attached hereto will be added to
the Agreement immediately following the existing Exhibit D. 
  

	 	8.	The parties agree that the business network transitions date for California-related Properties shall be close of business on October 2, 2006, with the exception of the Mount
Poso location. Sellers agree that the Buyers’ access to Seller’s telephone and internet service to the Mt. Poso location shall continue through close of business on October 16, 2006. 

  

	 	9.	 Pursuant to Section 4.1.4 of the Agreement, the parties agree that Buyers’ employees will gauge the pipelines or tanks above the pipeline sales connection
on October 1, 2006, in order 

	 	 
to determine the Hydrocarbons in place as of the Effective Time. Sellers will be entitled to witness each gauging. 

  

	 	10.	In the event Sellers of California properties do not provide Buyers with duly executed California Forms 593-C or applicable withholding waivers issued by the California Franchise
Tax Board prior to Closing, Sellers shall indemnify Buyers for any taxes, penalties, or interest imposed on Buyers as a consequence of Buyers not having withheld California taxes. In any event Sellers shall provide such duly executed forms or
waivers to Buyers immediately following Closing. This indemnity shall be for the full amount of taxes, penalties, and interest, and shall not be subject to the individual Loss or aggregate Loss provisions of Article 16 of the Agreement.

  

	 	11.	Except for the amendments herein, all the terms and conditions of the Agreement will remain unchanged and all references to the Agreement will be understood as references to the
Agreement as amended by the amendments herein. 

 [signature pages follow] 

 Executed the day and year first written above. 
  

			
	 PLAINS EXPLORATION & PRODUCTION
 COMPANY

		
	 By:
	 	 /s/ Winston M. Talbert

	 Winston M. Talbert,

	 Executive Vice President & Chief Financial Officer

	
	 PXP GULF COAST INC.

		
	 By:
	 	 /s/ Winston M. Talbert

	 Winston M. Talbert,

	 Vice President & Treasurer

	
	 PXP TEXAS LIMITED PARTNERSHIP

		
	 By:
	 	 /s/ Winston M. Talbert

	 Winston M. Talbert,

	 Vice President & Treasurer

	
	 BROWN PXP PROPERTIES, LLC

		
	 By:
	 	 /s/ Winston M. Talbert

	 Winston M. Talbert,

	 Vice President & Treasurer

	
	 PXP LOUISIANA L.L.C.

		
	 By:
	 	 /s/ Winston M. Talbert

	 Winston M. Talbert,

	 Vice President & Treasurer

	
	 PXP TEXAS INC.

		
	 By:
	 	 /s/ Winston M. Talbert

	 Winston M. Talbert,

	 Vice President & Treasurer

			
	 VINTAGE PETROLEUM, LLC

		
	By:	 	 /s/ Todd A. Stevens

	 Todd A. Stevens, Vice President

	
	 VINTAGE PRODUCTION CALIFORNIA LLC

		
	 By:
	 	 /s/ Todd A. Stevens

	 Todd A. Stevens, Vice President

	
	 OCCIDENTAL OF ELK HILLS, INC.

		
	 By:
	 	 /s/ Todd A. Stevens

	 Todd A. Stevens, Vice President

	
	 OCCIDENTAL PERMIAN LTD.

	
	 By its general partner,
 Occidental Permian Manager, LLC

		
	 By:
	 	 /s/ Todd A. Stevens

	 Todd A. Stevens, Vice President

	
	 OXY USA INC.

		
	 By:
	 	 /s/ Todd A. Stevens

	 Todd A. Stevens, Vice President

	
	 LP 260, L.L.C.,
 a Delaware limited liability company

		
	 By:
	 	 Virginia Properties, L.L.C.,
 an Illinois limited liability company,
 its manager

		
	 By:
	 	 VP Manager, L.L.C.,
 an Illinois limited liability company,
 its manager

		
	 By:
	 	 /s/ Todd A. Stevens

	 Todd A. Stevens, Authorized Signatory

	
	 OCCIDENTAL INTERNATIONAL OIL & GAS LTD.

		
	 By:
	 	 /s/ Todd A. Stevens

	 Todd A. Stevens, Vice President

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00110-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00110-of-00352.parquet"}]]