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Exhibit 10.KK


EL PASO CORPORATION


2005 SUPPLEMENTAL BENEFITS PLAN


Effective as of January 1, 2005






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TABLE OF CONTENTS


|         |  |                                                                |  |  |   | 
|-------- |  | -------------------------------------------------------------- |  |  | - | 
|Section1 |  | PURPOSES                                                       |  |  | 1 | 
|        
|Section2 |  | DEFINITIONS                                                    |  |  | 1 | 
|2.1      |  | Beneficiary                                                    |  |  | 1 | 
|2.2      |  | Board                                                          |  |  | 1 | 
|2.3      |  | Change in Control                                              |  |  | 1 | 
|2.4      |  | Code                                                           |  |  | 1 | 
|2.5      |  | Company                                                        |  |  | 1 | 
|2.6      |  | Employer                                                       |  |  | 1 | 
|2.7      |  | Frozen Plan                                                    |  |  | 2 | 
|2.8      |  | Management Committee                                           |  |  | 2 | 
|2.9      |  | Participant                                                    |  |  | 2 | 
|2.10     |  | Pension Plan                                                   |  |  | 2 | 
|2.11     |  | RSP                                                            |  |  | 2 | 
|2.12     |  | Specified Employee                                             |  |  | 2 | 
|2.13     |  | Surviving Spouse                                               |  |  | 2 | 
|        
|Section3 |  | ADMINISTRATION                                                 |  |  | 2 | 
|3.1      |  | Management Committee                                           |  |  | 2 | 
|        
|Section4 |  | PARTICIPANTS                                                   |  |  | 3 | 
|4.1      |  | Participants                                                   |  |  | 3 | 
|        
|Section5 |  | BENEFITS                                                       |  |  | 3 | 
|5.1      |  | Supplemental Pension Benefits                                  |  |  | 3 | 
|5.2      |  | Supplemental RSP Benefits                                      |  |  | 3 | 
|5.3      |  | Other Supplemental Benefits                                    |  |  | 4 | 
|5.4      |  | Time and Manner of Payment                                     |  |  | 4 | 
|5.5      |  | Determination of Supplemental Pension
    Benefit Payments     |  |  | 5 | 
|        
|Section6 |  | GENERAL PROVISIONS                                             |  |  | 5 | 
|6.1      |  | Unfunded Obligation                                            |  |  | 5 | 
|6.2      |  | Discretionary Investment by Company                            |  |  | 5 | 
|6.3      |  | Incapacity of Participant, Surviving Spouse
    or Beneficiary |  |  | 5 | 
|6.4      |  | Nonassignment                                                  |  |  | 6 | 
|6.5      |  | No Right to Continued Employment                               |  |  | 6 | 
|6.6      |  | Withholding Taxes                                              |  |  | 6 | 
|6.7      |  | Termination and Amendment                                      |  |  | 6 | 
|6.8      |  | ERISA Exemption                                                |  |  | 6 | 
|6.9      |  | Applicable Law                                                 |  |  | 7 | 

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EL PASO CORPORATION


2005 SUPPLEMENTAL BENEFITS PLAN





SECTION 1


PURPOSES







SECTION 2


DEFINITIONS









|    |            
|--- | -----------
|2.1 | Beneficiary





| |                              
| | -----------------------------
| | (a) spouse at date of death, 
|
| | (b) descendants, per stirpes,
|
| | (c) parents,                 
|
| | (d) brothers and sisters,    
|
| | (e) estate.                  






|    |      
|--- | -----
|2.2 | Board








|    |                  
|--- | -----------------
|2.3 | Change in Control








|    |     
|--- | ----
|2.4 | Code








|    |        
|--- | -------
|2.5 | Company








|    |         
|--- | --------
|2.6 | Employer



1



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|    |            
|--- | -----------
|2.7 | Frozen Plan








|    |                     
|--- | --------------------
|2.8 | Management Committee








|    |            
|--- | -----------
|2.9 | Participant








|     |             
|---- | ------------
|2.10 | Pension Plan








|     |    
|---- | ---
|2.11 | RSP








|     |                   
|---- | ------------------
|2.12 | Specified Employee

12-month 12-month







|     |                 
|---- | ----------------
|2.13 | Surviving Spouse






SECTION 3


ADMINISTRATION







|    |                     
|--- | --------------------
|3.1 | Management Committee



2



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SECTION 4


PARTICIPANTS







|    |             
|--- | ------------
|4.1 | Participants






SECTION 5


BENEFITS







|    |                              
|--- | -----------------------------
|5.1 | Supplemental Pension Benefits





| |                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
| | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| | (a) without regard to the limitations of Section 415
    of the Code (including, without limitation, the maximum benefit
    payable under Section 415(b)(1), the actuarial reduction
    for early retirement of Section 415(b)(2)(C), the reduction
    for limited service or participation of Section 415(b)(5)
    and the combined limits of Section 415(e)),                                                                                                          
|
| | (b) by including in the Participants compensation
    during the period for which the Pension Plan benefits are
    computed, to the extent not already done so under the Pension
    Plan, any amount that has not been taken into account due to the
    limitations of Section 401(a)(17) of the Code or due to a
    reduction of compensation that has occurred pursuant to an
    election of the Participant under Section 125 or
    Section 401(k) of the Code, and
|
| | (c) by taking into account any service granted to the
    Participant and any benefit formula adjustments required by an
    employment contract;                                                                                                                                                                                                                                                                                                                            



| |                                                                                                                                                                                                                                                                                                           
| | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| | provided, that an amendment of the Pension Plan or the Frozen
    Plan shall not result in an increase or decrease of the
    supplemental pension benefits payable hereunder unless the
    Management Committee determines that such increase or decrease
    does not violate Section 409A of the Code.








|    |                          
|--- | -------------------------
|5.2 | Supplemental RSP Benefits



3



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| |                                                                                                                                                                                                                           
| | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| | (a) the maximum dollar limit under Code
    Section 415(c)(1)(A) on RSP annual additions,                                                                                                                                 
|
| | (b) the maximum limit under Code Section 401(a)(17) on
    the compensation taken into account under the RSP, and                                                                                                         
|
| | (c) any further reductions in the compensation taken into
    account under the RSP as a result of any deferrals of
    compensation elected by the Participant pursuant to
    Section 125 or Section 401(k) of the Code.










|    |                            
|--- | ---------------------------
|5.3 | Other Supplemental Benefits








|    |                           
|--- | --------------------------
|5.4 | Time and Manner of Payment









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|    |                                                       
|--- | ------------------------------------------------------
|5.5 | Determination of Supplemental Pension Benefit Payments






SECTION 6


GENERAL PROVISIONS







|    |                    
|--- | -------------------
|6.1 | Unfunded Obligation








|    |                                    
|--- | -----------------------------------
|6.2 | Discretionary Investment by Company








|    |                                                           
|--- | ----------------------------------------------------------
|6.3 | Incapacity of Participant, Surviving Spouse or Beneficiary



5



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|    |              
|--- | -------------
|6.4 | Nonassignment








|    |                                 
|--- | --------------------------------
|6.5 | No Right to Continued Employment








|    |                  
|--- | -----------------
|6.6 | Withholding Taxes








|    |                          
|--- | -------------------------
|6.7 | Termination and Amendment










6.8     ERISA Exemption




6



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##### 








6.9     Applicable Law








| |                    
| | -------------------
| | EL PASO CORPORATION



| |     |                        
| | --- | -----------------------
| | By: | /s/ Susan B. Ortenstone

| |                      
| | ---------------------
| |                      
| | Susan B. Ortenstone  
| | Senior Vice President
| | Human Resources      





|    |                     
|--- | --------------------
|By: | /s/ David L. Siddall






|       |                    
|------ | -------------------
|Title: | Corporate Secretary

7