Exhibit 10.1

CHANGE ORDER FORM

PROJECT NAME: 42-inch Sabine Pass Pipeline Project

COMPANY: Sabine Pass Pipeline, L.P.

CONTRACTOR: Willbros Engineers, Inc.

CHANGE ORDER NUMBER: CO-001

DATE OF CHANGE ORDER: June 8, 2006

DATE OF AGREEMENT: February 1, 2006

The Agreement between the Parties listed above is changed as follows: (attach
additional documentation if necessary)

In light of constrained resource availability, Cheniere has approved use of WEI
affiliate Willbros RPI, Inc. for construction of the Work, in lieu of a
competitive bidding process to select the construction contractor. Consequently,
in accordance with Attachment 1 of the Agreement, paragraph 2.1, “Contingency
Pool”, the Contingency Pool shall be reduced by fifty percent (50%) with a
corresponding reduction in the Guaranteed Maximum Price.

Adjustment to price under the Agreement:

 

The original Guaranteed Maximum Price was

   $ 67,670,200

Net change by previously authorized Change Orders is

   $ 0

The Guaranteed Maximum Price prior to this Change Order was

   $ 67,670,200 The Guaranteed Maximum Price will be (increased) (decreased)
(unchanged) by this Change Order in the amount of    $ 2,326,200 The new
Guaranteed Maximum Price including this Change Order will be    $ 65,344,000

Adjustment to dates:

The Preparation and Material Receipt Commencement Date will be (increased)
(decreased) (unchanged) by 0 calendar days and as a result of this Change Order
is now:                 January 1, 2007

The Construction Commencement Date will be (increased) (decreased) (unchanged)
by 0 calendar days and as a result of this Change Order is now:                
April 1, 2007

--------------------------------------------------------------------------------

The Scheduled Mechanical Completion Date will be (increased) (decreased)
(unchanged) by 0 calendar days and as a result of this Change Order is now:
                September 30, 2007

Other impacts to liability or obligation of Contractor or Company under the
Agreement: None

Upon execution of this Change Order by Cheniere and Contractor, the
above-referenced change shall become a valid and binding part of the original
Agreement without exception or qualification, unless noted in this Change Order.
Except as modified by this and any previously issued Change Orders, all other
terms and conditions of the Agreement shall remain in full force and effect.
This Change Order is executed by each of the Cheniere’s Authorized
Representative and Contractor’s Authorized Representative.

 

SABINE PASS PIPELINE, L.P. Name   /s/ Stanley C. Horton

Title

  CEO Date of Signing   9-6-06

 

 

WILLBROS ENGINEERS, INC.     WILLBROS ENGINEERS, INC. Name   /s/ Mike Reifel    
Name   /s/ Curtis E. Simkin

Title

  Project Manager    

Title

  President Date of Signing   9/12/06     Date of Signing   9/13/06

--------------------------------------------------------------------------------

CHANGE ORDER FORM

PROJECT NAME: 42-inch Sabine Pass Pipeline Project

COMPANY: Cheniere Sabine Pass Pipeline Company

CONTRACTOR: Willbros Engineers, Inc.

CHANGE ORDER NUMBER: CO-002

DATE OF CHANGE ORDER: July 26, 2006

DATE OF AGREEMENT: February 1, 2006

The Agreement between the Parties listed above is changed as follows: (attach
additional documentation if necessary)

  •  

Replacement of the 30” NGPL Side Valve with a 42” side valve for future
connection,

  •  

Replacement of a 42” temporary receiver at Johnson Bayou (to be used for post
construction drying and caliper pigging) with a permanent bi-directional 42” x
48” scraper trap barrel with 12” kicker valve and two 42” heat induction bends.

Above changes result from the finalization of the pipeline system P&IDs for
design on 7/10/06.

Adjustment to price under the Agreement:

 

The original Guaranteed Maximum Price was

   $ 67,670,200  

Net change by previously authorized Change Orders (# )

   $ (2,326,200 )

The Guaranteed Maximum Price prior to the Change Order was

   $ 65,344,000  

The Guaranteed Maximum Price will be (increased)(decreased)(unchanged) by this
Change Order in the amount of

   $ 459,635  

The new Guaranteed Maximum Price including this Change Order will be

   $ 65,803,635  

Adjustment to dates:

 

The Preparation and Material Receipt Commencement Date will be (increased)
(decreased) (unchanged) by 0 calendar days and as a result of this Change Order
is now:

   January 1, 2007

The Construction Commencement Date will be (increased) (decreased) (unchanged)
by 0 calendar days and as a result of this Change Order is now:

   April 1, 2007

The Scheduled Mechanical Completion Date will be (increased) (decreased)
(unchanged) by 0 calendar days and as a result of this Change Order is now:

   September 30, 2007

--------------------------------------------------------------------------------

Other impacts to liability or obligation of Willbros or Cheniere under the
Agreement: None

Upon execution of this Change Order by Cheniere and Willbros, the
above-referenced change shall become a valid and binding part of the original
Agreement without exception or qualification, unless noted in this Change Order.
Except as modified by this and any previously issued Change Orders, all other
terms and conditions of the Agreement shall remain in full force and effect.
This Change Order is executed by each of the Cheniere’s Authorized
Representative and Willbros’ Authorized Representative.

 

CHENIERE SABINE PASS PIPELINE COMPANY Name   /s/ Stanley C. Horton Cheniere’s
Authorized Representative

Title

  CEO Date of Signing   9-6-06

 

 

WILLBROS ENGINEERS, INC. Name   /s/ Mike Reifel Willbros’ Authorized
Representative

Title

  Project Manager Date of Signing    

--------------------------------------------------------------------------------

CHANGE ORDER FORM

PROJECT NAME: 42-inch Sabine Pass Pipeline Project

COMPANY: Cheniere Sabine Pass Pipeline Company

CONTRACTOR: Willbros Engineers, Inc.

CHANGE ORDER NUMBER: CO-003

DATE OF CHANGE ORDER: December 8, 2006

DATE OF AGREEMENT: February 1, 2006

The Agreement between the Parties listed above is changed as follows: (attach
additional documentation if necessary)

  •  

Attachment II (Willbros Schedule of Rates) of the Letter Agreement expires
12/31/06. A new Attachment II is attached which becomes effective 1/1/07 and
expires 6/30/07.

Adjustment to price under the Agreement:

 

The original Guaranteed Maximum Price was

   $ 67,670,200  

Net change by previously authorized Change Orders (#1 and 2 )

   ($ 1,866,565 )

The Guaranteed Maximum Price prior to the Change Order was

   $ 65,803,635  

The Guaranteed Maximum Price will be (increased)(decreased)(unchanged) by this
Change Order in the amount of

   $ 0  

The new Guaranteed Maximum Price including this Change Order will be

   $ 65,803,635  

Adjustment to dates:

 

The Preparation and Material Receipt Commencement Date will be (increased)
(decreased) (unchanged) by 0 calendar days and as a result of this Change Order
is now:

   January 1, 2007

The Construction Commencement Date will be (increased) (decreased) (unchanged)
by 0 calendar days and as a result of this Change Order is now:

   April 1, 2007

The Scheduled Mechanical Completion Date will be (increased) (decreased)
(unchanged) by 0 calendar days and as a result of this Change Order is now:

   September 30, 2007

--------------------------------------------------------------------------------

Other impacts to liability or obligation of Willbros or Cheniere under the
Agreement: None

Upon execution of this Change Order by Cheniere and Willbros, the
above-referenced change shall become a valid and binding part of the original
Agreement without exception or qualification, unless noted in this Change Order.
Except as modified by this and any previously issued Change Orders, all other
terms and conditions of the Agreement shall remain in full force and effect.
This Change Order is executed by each of the Cheniere’s Authorized
Representative and Willbros’ Authorized Representative.

 

CHENIERE SABINE PASS PIPELINE COMPANY Name   /s/ R. Keith Teague Cheniere’s
Authorized Representative

Title

  President Date of Signing   12/20/2006

 

 

WILLBROS ENGINEERS, INC. Name   /s/ Mike Reifel Willbros’ Authorized
Representative

Title

  Project Manager Date of Signing   12/8/06

--------------------------------------------------------------------------------

CHANGE ORDER FORM

PROJECT NAME: 42-inch Sabine Pass Pipeline Project

COMPANY: Cheniere Sabine Pass Pipeline Company

CONTRACTOR: Willbros Engineers, Inc.

CHANGE ORDER NUMBER: CO-004

DATE OF CHANGE ORDER: March 22, 2007

DATE OF AGREEMENT: February 1, 2006

The Agreement between the Parties listed above is changed as follows: (attach
additional documentation if necessary)

  •  

Re-configuration of Regulators / Launcher inside Cheniere’s LNG Terminal

Above changes result from the finalization of the pipeline system pipeline plans
for design on 1/11/07.

Adjustment to price under the Agreement:

 

The original Guaranteed Maximum Price was

   $ 67,670,200  

Net change by previously authorized Change Orders (# 1, 2 & 3)

   $ (1,866,565 )

The Guaranteed Maximum Price prior to the Change Order was

   $ 65,803,635  

The Guaranteed Maximum Price will be (increased)(decreased)(unchanged) by this
Change Order in the amount of

   $ 315,296  

The new Guaranteed Maximum Price including this Change Order will be

   $ 66,118,931  

Adjustment to dates:

 

The Preparation and Material Receipt Commencement Date will be (increased)
(decreased) (unchanged) by 0 calendar days and as a result of this Change Order
is now:

   January 1, 2007

The Construction Commencement Date will be (increased) (decreased) (unchanged)
by 0 calendar days and as a result of this Change Order is now:

   April 1, 2007

The Scheduled Mechanical Completion Date will be (increased) (decreased)
(unchanged) by 0 calendar days and as a result of this Change Order is now:

   September 30, 2007

 

--------------------------------------------------------------------------------

Other impacts to liability or obligation of Willbros or Cheniere under the
Agreement: None

Upon execution of this Change Order by Cheniere and Willbros, the
above-referenced change shall become a valid and binding part of the original
Agreement without exception or qualification, unless noted in this Change Order.
Except as modified by this and any previously issued Change Orders, all other
terms and conditions of the Agreement shall remain in full force and effect.
This Change Order is executed by each of the Cheniere’s Authorized
Representative and Willbros’ Authorized Representative.

 

CHENIERE SABINE PASS PIPELINE COMPANY Name   /s/ Stanley C. Horton Cheniere’s
Authorized Representative

Title

  Chief Executive Officer Date of Signing   4/19/07

 

 

WILLBROS ENGINEERS, INC. Name   /s/ Curtis E. Simkin Willbros’ Authorized
Representative

Title

  President Date of Signing   4/25/07

--------------------------------------------------------------------------------

CHANGE ORDER FORM

PROJECT NAME: 42-inch Sabine Pass Pipeline Project

COMPANY: Cheniere Sabine Pass Pipeline Company

CONTRACTOR: Willbros Engineers, Inc.

CHANGE ORDER NUMBER: CO-005

DATE OF CHANGE ORDER: April 11, 2007

DATE OF AGREEMENT: February 1, 2006

The Agreement between the Parties listed above is changed as follows: (attach
additional documentation if necessary)

  •  

Pond Crossing on Property Tract No. SP-CM-035.000, Richard J. Harrington, et ux,
at Sta. 448+76 (MP 8.5).

Due to the uncertainties of the sheet piling and related costs for this
activity, this change will be performed on a time and material basis utilizing
the contract rates, the total cost of which will be added to the Guaranteed
Maximum Price. For estimating purposes, a provisional sum is used below.

This change order involves installation of a sheet piling bulkhead along the
south side of the trench line (approximately 200 ft in length) where the
pipeline crosses the pond, filling in the pond with imported soil (provided by
Cheniere) from the bulkhead northward, and installing the pipeline using
conventional marsh construction techniques. Specific design details for this
installation remain to be developed.

Adjustment to price under the Agreement:

 

The original Guaranteed Maximum Price was

   $ 67,670,200  

Net change by previously authorized Change Orders (#1-4 )

   ($ 1,551,269 )

The Guaranteed Maximum Price prior to the Change Order was

   $ 66,118,931  

The Guaranteed Maximum Price will be (increased)(decreased)(unchanged) by this
Change Order in the amount of (provisional sum shown)

   $ 600,000  

The new Guaranteed Maximum Price including this Change Order will be (subject to
adjustment as noted above)

   $ 66,718,931  

Adjustment to dates:

 

The Preparation and Material Receipt Commencement Date will be (increased)
(decreased) (unchanged) by 0 calendar days and as a result of this Change Order
is now:

   January 1, 2007

The Construction Commencement Date will be (increased) (decreased) (unchanged)
by 0 calendar days and as a result of this Change Order is now:

   April 1, 2007

The Scheduled Mechanical Completion Date will be (increased) (decreased)
(unchanged) by 0 calendar days and as a result of this Change Order is now:

   September 30, 2007

 

--------------------------------------------------------------------------------

Other impacts to liability or obligation of Willbros or Cheniere under the
Agreement: None

Upon execution of this Change Order by Cheniere and Willbros, the
above-referenced change shall become a valid and binding part of the original
Agreement without exception or qualification, unless noted in this Change Order.
Except as modified by this and any previously issued Change Orders, all other
terms and conditions of the Agreement shall remain in full force and effect.
This Change Order is executed by each of the Cheniere’s Authorized
Representative and Willbros’ Authorized Representative.

 

CHENIERE SABINE PASS PIPELINE COMPANY Name   /s/ Stanley C. Horton Cheniere’s
Authorized Representative

Title

  Chief Executive Officer Date of Signing   4/19/07

 

 

WILLBROS ENGINEERS, INC. Name   /s/ Curtis E. Simkin Willbros’ Authorized
Representative

Title

  President Date of Signing   4/25/07

--------------------------------------------------------------------------------

CHANGE ORDER FORM

PROJECT NAME: 42-inch Sabine Pass Pipeline Project

COMPANY: Cheniere Sabine Pass Pipeline Company

CONTRACTOR: Willbros Engineers, Inc.

CHANGE ORDER NUMBER: CO-006

DATE OF CHANGE ORDER: April 10, 2007

DATE OF AGREEMENT: February 1, 2006

The Agreement between the Parties listed above is changed as follows: (attach
additional documentation if necessary)

  •  

Award of material handling at the Sabine Terminal construction dock and
stockpiling at the laydown area to WRPI including supply of cranes, trucks,
rigging equipment and labor

  •  

Compliance with Bechtel’s Project Marine Dock Procedure (copy attached) in that
offloading of the concrete coated pipe from barges will now require additional
docking and use of a shuttle tug that previously was not planned

The total costs associated with this change will be taken from the “Contingency
Pool” and as such the “Guaranteed Maximum Price” prior to this change order
remains unchanged. The net decrease to the Contingency Pool is an estimated
$2,264,565 for the first bullet item above and $700,000 for the second bullet
item for an estimated total of $2,994,565 (provisional sum). These activities
will handled on a time and material basis using contract rates and a WEI issued
purchase order to WRPI.

Adjustment to price under the Agreement:

 

The original Guaranteed Maximum Price was

   $ 67,670,200  

Net change by previously authorized Change Orders (#1-5)

   ($ 951,269 )

The Guaranteed Maximum Price prior to the Change Order was

   $ 66,718,931  

The Guaranteed Maximum Price will be (increased)(decreased)(unchanged) by this
Change Order in the amount of

   $ -0-  

The new Guaranteed Maximum Price including this Change Order will be

   $ 66.718,931  

Adjustment to dates:

 

The Preparation and Material Receipt Commencement Date will be (increased)
(decreased) (unchanged) by 0 calendar days and as a result of this Change Order
is now:

   January 1, 2007

The Construction Commencement Date will be (increased) (decreased) (unchanged)
by 0 calendar days and as a result of this Change Order is now:

   April 1, 2007

The Scheduled Mechanical Completion Date will be (increased) (decreased)
(unchanged) by 0 calendar days and as a result of this Change Order is now:

   September 30, 2007

 

--------------------------------------------------------------------------------

Other impacts to liability or obligation of Willbros or Cheniere under the
Agreement: None

Upon execution of this Change Order by Cheniere and Willbros, the
above-referenced change shall become a valid and binding part of the original
Agreement without exception or qualification, unless noted in this Change Order.
Except as modified by this and any previously issued Change Orders, all other
terms and conditions of the Agreement shall remain in full force and effect.
This Change Order is executed by each of the Cheniere’s Authorized
Representative and Willbros’ Authorized Representative.

 

CHENIERE SABINE PASS PIPELINE COMPANY Name   /s/ Stanley C. Horton Cheniere’s
Authorized Representative

Title

  Chief Executive Officer Date of Signing   4/19/07

 

 

WILLBROS ENGINEERS, INC. Name   /s/ Curtis E. Simkin Willbros’ Authorized
Representative

Title

  President Date of Signing   4/25/07

--------------------------------------------------------------------------------

CHANGE ORDER FORM

PROJECT NAME: 42-inch Sabine Pass Pipeline Project

COMPANY: Cheniere Sabine Pass Pipeline Company

CONTRACTOR: Willbros Engineers, Inc.

CHANGE ORDER NUMBER: CO-007

DATE OF CHANGE ORDER: April 10, 2007

DATE OF AGREEMENT: February 1, 2006

The Agreement between the Parties listed above is changed as follows: (attach
additional documentation if necessary)

 

•

 

Cost of work adjustment due to unforeseeable / unprecedented escalation since
original contract pricing. These apply to labor rates, per diems and certain 3rd
party equipment rates.

The total costs associated with this change will be transferred from the
“Contingency Pool” to “Construction” and as such the “Guaranteed Maximum Price”
prior to this change order remains unchanged. The new lump sum price for
“Construction” will have a net increase of $2,135,670 and the Contingency Pool
will have a net decrease by a like amount.

Adjustment to price under the Agreement:

 

The original Guaranteed Maximum Price was

   $ 67,670,200  

Net change by previously authorized Change Orders (#1-6 )

   ($ 951,269 )

The Guaranteed Maximum Price prior to the Change Order was

   $ 66,718,931  

The Guaranteed Maximum Price will be (increased)(decreased)(unchanged) by this
Change Order in the amount of

   $ -0-  

The new Guaranteed Maximum Price including this Change Order will be

   $ 66,718,931  

Adjustment to dates:

 

The Preparation and Material Receipt Commencement Date will be (increased)
(decreased) (unchanged) by 0 calendar days and as a result of this Change Order
is now:

   January 1, 2007

The Construction Commencement Date will be (increased) (decreased) (unchanged)
by 0 calendar days and as a result of this Change Order is now:

   April 1, 2007

The Scheduled Mechanical Completion Date will be (increased) (decreased)
(unchanged) by 0 calendar days and as a result of this Change Order is now:

   September 30, 2007

 

--------------------------------------------------------------------------------

Other impacts to liability or obligation of Willbros or Cheniere under the
Agreement: None

Upon execution of this Change Order by Cheniere and Willbros, the
above-referenced change shall become a valid and binding part of the original
Agreement without exception or qualification, unless noted in this Change Order.
Except as modified by this and any previously issued Change Orders, all other
terms and conditions of the Agreement shall remain in full force and effect.
This Change Order is executed by each of the Cheniere’s Authorized
Representative and Willbros’ Authorized Representative.

 

CHENIERE SABINE PASS PIPELINE COMPANY Name   /s/ Stanley C. Horton Cheniere’s
Authorized Representative

Title

  Chief Executive Officer Date of Signing   4/19/07

 

 

WILLBROS ENGINEERS, INC. Name   /s/ Curtis E. Simkin Willbros’ Authorized
Representative

Title

  President Date of Signing   4/25/07

--------------------------------------------------------------------------------

CHANGE ORDER FORM

PROJECT NAME: 42-inch Sabine Pass Pipeline Project

COMPANY: Cheniere Sabine Pass Pipeline Company

CONTRACTOR: Willbros Engineers, Inc.

CHANGE ORDER NUMBER: CO-008

DATE OF CHANGE ORDER: April 11, 2007

DATE OF AGREEMENT: February 1, 2006

The Agreement between the Parties listed above is changed as follows: (attach
additional documentation if necessary)

 

  •  

A new Attachment III (WRPI construction rates for extra work) is attached which
becomes effective 4/11/07 and expires 10/15/07. These rates replace those
included in the original Side Letter Agreement dated 2/1/06.

Adjustment to price under the Agreement:

 

The original Guaranteed Maximum Price was

   $ 67,670,200  

Net change by previously authorized Change Orders (#1-7 )

   ($ 951,269 )

The Guaranteed Maximum Price prior to the Change Order was

   $ 66,718,931  

The Guaranteed Maximum Price will be (increased)(decreased)(unchanged) by this
Change Order in the amount of

   $ -0-  

The new Guaranteed Maximum Price including this Change Order will be

   $ 66,718,931  

Adjustment to dates:

 

The Preparation and Material Receipt Commencement Date will be (increased)
(decreased) (unchanged) by 0 calendar days and as a result of this Change Order
is now:

   January 1, 2007

The Construction Commencement Date will be (increased) (decreased) (unchanged)
by 0 calendar days and as a result of this Change Order is now:

   April 1, 2007

The Scheduled Mechanical Completion Date will be (increased) (decreased)
(unchanged) by 0 calendar days and as a result of this Change Order is now:

   September 30, 2007

 

--------------------------------------------------------------------------------

Other impacts to liability or obligation of Willbros or Cheniere under the
Agreement: None

Upon execution of this Change Order by Cheniere and Willbros, the
above-referenced change shall become a valid and binding part of the original
Agreement without exception or qualification, unless noted in this Change Order.
Except as modified by this and any previously issued Change Orders, all other
terms and conditions of the Agreement shall remain in full force and effect.
This Change Order is executed by each of the Cheniere’s Authorized
Representative and Willbros’ Authorized Representative.

 

CHENIERE SABINE PASS PIPELINE COMPANY Name   /s/ Stanley C. Horton Cheniere’s
Authorized Representative

Title

  Chief Executive Officer Date of Signing   4/19/07

 

 

WILLBROS ENGINEERS, INC. Name   /s/ Curtis E. Simkin Willbros’ Authorized
Representative

Title

  President Date of Signing   4/25/07