WGL HoldingsThis section describes the financial condition and results of operations of WGL Holdings and its subsidiaries on a consolidated basis. It includes discussions of WGL Holdings regulated utility and non-utility operations. The majority of WGL Holdings operations are derived from the results of its regulated utility, Washington Gas and, to a much lesser extent, the results of its non-utility operations. For more information on the Companys regulated utility operations, please refer to the Managements Discussion for Washington Gas

EXHIBIT 10.1

		SERVICE AGREEMENT NO.     79356
		CONTROL NO.         2005-10-18-0020

FTS1 SERVICE AGREEMENT

THIS AGREEMENT, made and entered into this 1st day of November, 2005, by and between:

Columbia Gulf Transmission Company
(“Transporter”)
AND
Washington Gas Light Company
(“Shipper”)

WITNESSETH: That in consideration of the mutual covenants herein contained, the parties hereto agree as follows:

Section 1. Service to be Rendered. Transporter shall perform and Shipper shall receive the service in accordance with the provisions of the effective FTS1 Rate Schedule and applicable General Terms and Conditions of Transporter’s FERC Gas Tariff, Second Revised Volume No. 1 (Tariff), on file with the Federal Energy Regulatory Commission (Commission), as the same may be amended or superseded in accordance with the rules and regulations of the Commission herein contained. The maximum obligations of Transporter to deliver gas hereunder to or for Shipper, the designation of the points of delivery at which Transporter shall deliver or cause gas to be delivered to or for Shipper, and the points of receipt at which the Shipper shall deliver or cause gas to be delivered, are specified in Appendix A, as the same may be amended from time to time by agreement between Shipper and Transporter, or in accordance with the rules and regulations of the Commission. Service hereunder shall be provided subject to the provisions of Part 284, 223 of Subpart G of the Commission’s regulations. Shipper warrants that service hereunder is being provided on behalf of Shipper.

Section 2. Term. Service under this Agreement shall commence as of November 1, 2005, and shall continue in full force and effect until October 31, 2010. Shipper and Transporter agree to avail themselves of the Commission’s pre-granted abandonment authority upon termination of this Agreement, subject to any right of first refusal Shipper may have under the Commission’s Regulations and Transporter’s Tariff.

Section 3. Rates. Shipper shall pay Transporter the charges and furnish the Retainage percentage as described in the above-referenced Rate Schedule, unless otherwise agreed to by the parties in writing and specified as an amendment to this Service Agreement. Transporter may agree to discount its rate to Shipper below Transporter’s maximum rate, but not less than Transporter’s minimum rate. Such discounted rate may apply to: a) specified quantities (contract demand or commodity quantities; b) specified quantities above or below a certain level or all quantities if quantities exceed a certain level; c) quantities during specified time periods; d) quantities at specified points, locations, or other defined geographical areas; and e) that a specified discounted rate will apply in a specified relationship to the quantities actually transported (i.e. that the reservation charge will be adjusted in a specified relationship to quantities actually transported)

Section 4. Notices. Notices to Transporter under this Agreement shall be addressed to it at Post Office Box 1273, Charleston, West Virginia ###-###-####, Attention: Manager — Commercial Services and notices to Shipper shall be addressed to at the following until changed by either party by written notice:

Washington Gas Light Company
Energy Acquisition — Room 330
6801 Industrial Road
Springfield, VA 22151
ATTN: Ken Yagelski

		SERVICE AGREEMENT NO.      79356
		CONTROL NO.          2005-10-18-0020

FTS1 SERVICE AGREEMENT

Section 5. Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: N/A

		Washington Gas Light Company
By:
Name:
Title:
Date:
		Columbia Gulf Transmission Company
By:
Name:
Title:
Date:

		Revision No.    4
		Control No       2005-10-18-0020

Appendix A to Service Agreement No.          79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

The Master List of Interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for the purposes of listing valid secondary interruptible receipt points and delivery points.

o Yes þ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Unbundling Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter’s FERC Gas Tariff.

o Yes þ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions or Transporter’s FERC Gas Tariff.

o Yes þ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter’s currently effective Rate Schedule            Appendix A, Revision No, 0 with Shipper, which for such points set forth are incorporated by reference.

CANCELLATION OF PREVIOUS APPENDIX A

Service changes pursuant to this Appendix A, Revision No. 4 shall commence as of November 1, 2005. This Appendix A, Revision No. 4 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 1, 2004. With the exception of this Appendix A, Revision No. 4, all other terms and conditions of said Service Agreement shall remain in full force and effect.

		Washington Gas Light Company
By:
Name:
Title:
Date:
		Columbia Gulf Transmission Company
By:
Name:
Title:
Date:

Revision No. 4                       

Control No. 2005-10-18-0020

Appendix A to Processing Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

Transportation Demand 65,729 Dth/Day

Primary Receipt Points

Measuring		Foot-		Measuring		Maximum Daily
Point No.		note		Point Name		Quantity (Dth/Day)
2700010				CGT-RAYNE			35,729
442				KOCH-BARRON			30,000

		Revision No. 4
		Control No. 2005-10-18-0020

Appendix A to Processing Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

Primary Delivery Points

Measuring		Foot-		Measuring		Maximum Daily
Point No.		note		Point Name		Quantity (Dth/Day)
801				TCO-LEACH			65,729

		SERVICE AGREEMENT NO.     79356
		CONTROL NO.         2005-10-18-0020

FTS1 SERVICE AGREEMENT

THIS AGREEMENT, made and entered into this 1st day of November, 2005, by and between:

Columbia Gulf Transmission Company
(“Transporter”)
AND
Washington Gas Light Company
(“Shipper”)

WITNESSETH: That in consideration of the mutual covenants herein contained, the parties hereto agree as follows:

Section 1. Service to be Rendered. Transporter shall perform and Shipper shall receive the service in accordance with the provisions of the effective FTS1 Rate Schedule and applicable General Terms and Conditions of Transporter’s FERC Gas Tariff, Second Revised Volume No. 1 (Tariff), on file with the Federal Energy Regulatory Commission (Commission), as the same may be amended or superseded in accordance with the rules and regulations of the Commission herein contained. The maximum obligations of Transporter to deliver gas hereunder to or for Shipper, the designation of the points of delivery at which Transporter shall deliver or cause gas to be delivered to or for Shipper, and the points of receipt at which the Shipper shall deliver or cause gas to be delivered, are specified in Appendix A, as the same may be amended from time to time by agreement between Shipper and Transporter, or in accordance with the rules and regulations of the Commission. Service hereunder shall be provided subject to the provisions of Part 284. 223 of Subpart G of the Commission’s regulations. Shipper warrants that service hereunder is being provided on behalf of Shipper.

Section 2. Term. Service under this Agreement shall commence as of November 1, 2005, and shall continue in full force and effect until October 31, 2006. Shipper and Transporter agree to avail themselves of the Commission’s pre-granted abandonment authority upon termination of this Agreement, subject to any right of first refusal Shipper may have under the Commission’s Regulations and Transporter’s Tariff:

Section 3. Rates. Shipper shall pay Transporter the charges and furnish the Retainage percentage as described in the above-referenced Rate Schedule, unless otherwise agreed to by the parties in writing and specified as an amendment to this Service Agreement Transporter may agree to discount its rate to Shipper below Transporter’s maximum rate, but not less than Transporter’s minimum rate. Such discounted rate may apply to: a) specified quantities (contract demand or commodity quantities; b) specified quantities above or below a certain level or all quantities if quantities exceed a certain level; c) quantities during specified time periods; d) quantities at specified points, locations, or other defined geographical areas; and e) that a specified discounted rate will apply in a specified relationship to the quantities actually transported (i.e., that the reservation charge will be adjusted in a specified relationship to quantities actually transported).

Section 4. Notices. Notices to Transporter under this Agreement shall be addressed to it at Post Office Box 1273, Charleston, West Virginia ###-###-####, Attention: Manager — Commercial Services and notices to Shipper shall be addressed to at the following until changed by either party by written notice:

Washington Gas Light Company
Energy Acquisition — Room 330
6801 Industrial Road
Springfield, VA 22151
ATTN: KenYagelski

		SERVICE AGREEMENT NO.       79356
		CONTROL. NO.      2005-10-18-0020

FTS1 SERVICE AGREEMENT

Section 5. Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: N/A

		Washington Gas Light Company Name:
By:
Name:
Title:
Date:
		Columbia Gulf Transmission Company
By:
Name:
Title:
Date:

		Revision No.     5
		Control No.       2005-10-18-0020

Appendix A to Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

The Master List of Interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for the purposes of listing valid secondary interruptible receipt points and delivery points.

o Yes þ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Unbundling Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter’s FERC Gas Tariff.

o Yes þ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions or Transporter’s FERC Gas Tariff.

o Yes þ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter’s currently effective Rate Schedule ___Appendix A, Revision No. 0 with Shipper, which for such points set forth are incorporated by reference.

CANCELLATION OF PREVIOUS APPENDIX A

Service changes pursuant to this Appendix A, Revision No. 5 shall commence as of November 1, 2005. This Appendix A, Revision No. 5 shall cancel and supersede the previous Appendix A, Revision No. 2 to the Service Agreement dated November 1 , 2004. With the exception of this Appendix A, Revision No. 5 all other terms and conditions of said Service Agreement shall remain in full force and effect.

		Washington Gas Light Company
By:
Name:
Title:
Date:
		Columbia Gulf Transmission Company
By:
Name:
Title:
Date:

		Revision No.     5
		Control No.       2005-10-18-0020

Appendix A to Processing Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

Transportation Demand 71,843 Dth/Day                     

Primary Receipt Points

Measuring		Foot-		Measuring		Maximum Daily
Point No.		note		Point Name		Quantity (Dth/Day)
2700010				CGT-RAYNE			71,843

		Revision No.     5
		Control No.       2005-10-18-0020

Appendix A to Processing Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

Primary Delivery Points

Measuring		Foot -		Measuring		Maximum Daily
Point No		note		Point Name		Quantity (Dth/Day)
801				TCO-LEACH		71 ,843

		SERVICE AGREEMENT NO.       79356
		CONTROL. NO.          2005-10-18-0020

FTS1 SERVICE AGREEMENT

THIS AGREEMENT, made and entered into this 1st day of November, 2005, by and between:

Columbia Gulf Transmission Company
(“Transporter”)
AND
Washington Gas Light Company
(“Shipper”)

WITNESSETH: That in consideration of the mutual covenants herein contained, the parties hereto agree as follows:

Section 1. Service to be Rendered. Transporter shall perform and Shipper shall receive the service in accordance with the provisions of the effective FTS1 Rate Schedule and applicable General Terms and Conditions of Transporter’s FERC Gas Tariff, Second Revised Volume No. 1 (Tariff), on file with the Federal Energy Regulatory Commission (Commission), as the same may be amended or superseded in accordance with the rules and regulations of the Commission herein contained. The maximum obligations of Transporter to deliver gas hereunder to or for Shipper, the designation of the points of delivery at which Transporter shall deliver or cause gas to be delivered to or for Shipper, and the points of receipt at which the Shipper shall deliver or cause gas to be delivered, are specified in Appendix A, as the same may be amended from time to time by agreement between Shipper and Transporter, or in accordance with the rules and regulations of the Commission. Service hereunder shall be provided subject to the provisions of Part 284. 223 of Subpart G of the Commission’s regulations. Shipper warrants that service hereunder is being provided on behalf of Shipper.

Section 2. Term. Service under this Agreement shall commence as of November 1, 2005, and shall continue in full force and effect until October 31, 2007. Shipper and Transporter agree to avail themselves of the Commission’s pre-granted abandonment authority upon termination of this Agreement, subject to any right of first refusal Shipper may have under the Commission’s Regulations and Transporter’s Tariff.

Section 3. Rates. Shipper shall pay Transporter the charges and furnish the Retainage percentage as described in the above-referenced Rate Schedule, unless otherwise agreed to by the parties in writing and specified as an amendment to this Service Agreement. Transporter may agree to discount its rate to Shipper below Transporter’s maximum rate, but not less than Transporter’s minimum rate. Such discounted rate may apply to: a) specified quantities (contract demand or commodity quantities; b) specified quantities above or below a certain level or all quantities if quantities exceed a certain level; c) quantities during specified time periods; d) quantities at specified points, locations, or other defined geographical areas; and e) that a specified discounted rate will apply in a specified relationship to the quantities actually transported (i.e., that the reservation charge will be adjusted in a specified relationship to quantities actually transported).

Section 4. Notices. Notices to Transporter under this Agreement shall be addressed to it at Post Office Box 1273, Charleston, West Virginia ###-###-####, Attention: Manager — Commercial Services and notices to Shipper shall be addressed to at the following until changed by either party by written notice:

Washington Gas Light Company
Energy Acquisition — Room 330
6801 Industrial Road
Springfield, VA 22151
ATTN: Ken Yagelski

		SERVICE AGREEMENT NO.       79356
		CONTROL NO.           2005-10-18-0020

FTS1 SERVICE AGREEMENT

Section 5. Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: N/A.

		Washington Gas Light Company
By:
Name:
Title:
Date:
		Columbia Gulf Transmission Company
By:
Name:
Title:
Date:

		Revision No.     6
		Control No.       2005-10-18-0020

Appendix A to Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

The Master List of interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for the purposes of listing valid secondary interruptible receipt points and delivery points.

o Yes þ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Unbundling Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter’s FERC Gas Tariff.

o Yes þNo (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions or Transporter’s FERC Gas Tariff.

o Yes þNo (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter’s currently effective Rate Schedule            Appendix A, Revision No. 0 with Shipper, which for such points set forth are incorporated by reference.

CANCELLATION OF PREVIOUS APPENDIX A

Service changes pursuant to this Appendix A, Revision No 6 shall commence as of November 1, 2005. This Appendix A, Revision No. 6 shall cancel and supersede the previous Appendix A, Revision No. 3 to the Service Agreement dated November 1,2004. With the exception of this Appendix A, Revision No. 6, all other terms and conditions of said Service Agreement shall remain in full force and effect.

		Washington Gas Light Company
By:
Name:
Title:
Date:
		Columbia Gulf Transmission Company
By:
Name:
Title:
Date:

		Revision No.     6
		Control No.       2005-10-18-0020

Appendix A to Processing Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

Transportation Demand 71,843 Dth/Day                    

Primary Receipt Points

Measuring		Foot-		Measuring		Maximum Daily
Point No.		note		Point Name		Quantity (Dth/Day)
2700010				CGT-RAYNE			71,843

		Revision No.     6
		Control No.       2005-10-18-0020

Appendix A to Processing Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

Primary Delivery Points

Measuring		Foot-		Measuring		Maximum Daily
Point No		note		Point Name		Quantity (Dth/Day)
801				TCO-LEACH		71,843

		SERVICE AGREEMENT NO.       79356
		CONTROL NO.           2005-10-18-0020

FTS1 SERVICE AGREEMENT

THIS AGREEMENT, made and entered into this 1st day of November, 2005, by and between:

Columbia Gulf Transmission Company
(“Transporter”)
AND
Washington Gas Light Company
(“Shipper”)

WITNESSETH: That in consideration of the mutual covenants herein contained, the parties hereto agree as follows:

Section 1. Service to be Rendered. Transporter shall perform and Shipper shall receive the service in accordance with the provisions of the effective FTS1 Rate Schedule and applicable General Terms and Conditions of Transporter’s FERC Gas Tariff, Second Revised Volume No. 1 (Tariff), on file with the Federal Energy Regulatory Commission (Commission), as the same may be amended or superseded in accordance with the rules and regulations of the Commission. herein contained. The maximum obligations of Transporter to deliver gas hereunder to or for Shipper, the designation of the points of delivery at which Transporter shall deliver or cause gas to be delivered to or for Shipper, and the points of receipt at which the Shipper shall deliver or cause gas to be delivered, are specified in Appendix A, as the same may be amended from time to time by agreement between Shipper and Transporter, or in accordance with the rules and regulations of the Commission. Service hereunder shall be provided subject to the provisions of Part 284. 223 of Subpart G of the Commission’s regulations. Shipper warrants that service hereunder is being provided on behalf of Shipper.

Section 2. Term. Service under this Agreement shall commence as of November 1, 2005, and shall continue in full force and effect until October 31, 2008. Shipper and Transporter agree to avail themselves of the Commission’s pre-granted abandonment authority upon termination of this Agreement, subject to any right of first refusal Shipper may have under the Commission’s Regulations and Transporter’s Tariff.

Section 3. Rates. Shipper shall pay Transporter the charges and furnish the Retainage percentage as described in the above-referenced Rate Schedule, unless otherwise agreed to by the parties in writing and specified as an amendment to this Service Agreement. Transporter may agree to discount its rate to Shipper below Transporter’s maximum rate, but not less than Transporter’s minimum rate. Such discounted rate may apply to: a) specified quantities (contract demand or commodity quantities; b) specified quantities above or below a certain level or all quantities if quantities exceed a certain level; c) quantities during specified time periods; d) quantities at specified points, locations, or other defined geographical areas; and e) that a specified discounted rate will apply in a specified relationship to the quantities actually transported (i.e., that the reservation charge will be adjusted in a specified relationship to quantities actually transported).

Section 4. Notices. Notices to Transporter under this Agreement shall be addressed to it at Post Office Box 1273, Charleston, West Virginia ###-###-####, Attention:    Manager — Commercial Services and notices to Shipper shall be addressed to at the following until changed by either party by written notice:

Washington Gas Light Company
Energy Acquisition – Room 330
6801 Industrial Road
Springfield, VA 22151
ATTN: Ken Yagelski

		Revision No.     7
		Control No.       2005-10-18-0020

Appendix A to Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

The Master List of Interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for the purposes of listing valid secondary interruptible receipt points and delivery points.

o Yes þ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory

Unbundling Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter’s FERC Gas Tariff.

o Yes þ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of

first refusal set forth from time to time in Section 4 of the General Terms and Conditions or Transporter’s FERC Gas Tariff.

o Yes þ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter’s currently effective Rate Schedule      Appendix A, Revision No. 0 with Shipper, which for such points set forth are incorporated by reference.

CANCELLATION OF PREVIOUS APPENDIX A

Service changes pursuant to this Appendix A, Revision No. 7 shall commence as of November 1, 2005. This Appendix A, Revision No. 7 shall cancel and supersede the previous Appendix A, Revision No. 0 to the Service Agreement dated November 1, 2004. With the exception of this Appendix A, Revision No. 7 , all other terms and conditions of said Service Agreement shall remain in full force and effect.

		Washington Gas Light Company
By:
Name:
Title:
Date:
		Columbia Gulf Transmission Company
By:
Name:
Title:
Date:

		Revision No.     7
		Control No.       2005-10-18-0020

Appendix A to Processing Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

Transportation Demand 71,843 Dth/Day                    

Primary Receipt Points

Measuring		Foot-		Measuring		Maximum Daily
Point No.		note		Point Name		Quantity (Dth/Day)
2700010				CGT-RAYNE			71,843

		Revision No.     7
		Control No.       2005-10-18-0020

Appendix A to Processing Service Agreement No. 79356

Under Rate Schedule		FTS1
Between (Transporter)		Columbia Gulf Transmission Company
and (Shipper)		Washington Gas Light Company

Primary Delivery Points

Measuring		Foot-		Measuring		Maximum Daily
Point No.		note		Point Name		Quantity (Dth/Day)
801				TCO-LEACH		71 ,843