Commitment Increase Supplements, dated December 27, 2007

Exhibit 10.67

Commitment Increase Supplement

          SUPPLEMENT, dated December 27, 2007, to Revolving Credit Agreement, dated as of March 29, 2007 (as the same may be amended, modified, supplemented, restated or replaced from time to time, the “Credit Agreement”; the terms defined therein and not otherwise defined herein being used herein as therein defined), among International Transmission Company, a Michigan limited liability company (“ITC”), Michigan Electric Transmission Company, LLC, a Michigan corporation (“METC” and together with ITC, the “Borrowers”), the Lenders, and JPMorgan Chase Bank, N.A., as the Administrative Agent.

WITNESSETH:

          WHEREAS, the Credit Agreement provides in Section 4.3(d) thereof that any Lender with (when applicable) the consent of the Borrowers may increase the amount of its Commitment by executing and delivering to the Borrowers and the Administrative Agent a supplement to the Credit Agreement in substantially the form of this Supplement; and

          WHEREAS, the undersigned now desires to increase the amount of its Commitment under the Credit Agreement;

          NOW THEREFORE, the undersigned hereby agrees as follows:

     1. The undersigned agrees, subject to the terms and conditions of the Credit Agreement, that on the effective date of this Supplement, it shall have its Commitment increased by $4,750,000.00, thereby making the amount of its Commitment $30,636,792.45.

     2. Terms defined in the Credit Agreement shall have their defined meanings when used herein.

[Remainder of page intentionally left blank]

          IN WITNESS WHEREOF, the undersigned has caused this Supplement to be executed and delivered by a duly authorized officer on the date first above written.

Accepted this 27^th day of December, 2007.

Accepted this 27^th day of December, 2007

Commitment Increase Supplement

          SUPPLEMENT, dated December 27, 2007, to Revolving Credit Agreement, dated as of March 29, 2007 (as the same may be amended, modified, supplemented, restated or replaced from time to time, the “Credit Agreement”; the terms defined therein and not otherwise defined herein being used herein as therein defined), among International Transmission Company, a Michigan limited liability company (“ITC”), Michigan Electric Transmission Company, LLC, a Michigan corporation (“METC” and together with ITC, the “Borrowers”), the Lenders, and JPMorgan Chase Bank, N.A., as the Administrative Agent.

WITNESSETH:

          WHEREAS, the Credit Agreement provides in Section 4.3(d) thereof that any Lender with (when applicable) the consent of the Borrowers may increase the amount of its Commitment by executing and delivering to the Borrowers and the Administrative Agent a supplement to the Credit Agreement in substantially the form of this Supplement; and

          WHEREAS, the undersigned now desires to increase the amount of its Commitment under the Credit Agreement;

          NOW THEREFORE, the undersigned hereby agrees as follows:

     1. The undersigned agrees, subject to the terms and conditions of the Credit Agreement, that on the effective date of this Supplement, it shall have its Commitment increased by $4,000,000.00, thereby making the amount of its Commitment $26,188,679.25.

     2. Terms defined in the Credit Agreement shall have their defined meanings when used herein.

[Remainder of page intentionally left blank]

          IN WITNESS WHEREOF, the undersigned has caused this Supplement to be executed and delivered by a duly authorized officer on the date first above written.

Accepted this 27^th day of December, 2007.

Accepted this 27^th day of December, 2007.

Commitment Increase Supplement

          SUPPLEMENT, dated December 27, 2007, to Revolving Credit Agreement, dated as of March 29, 2007 (as the same may be amended, modified, supplemented, restated or replaced from time to time, the “Credit Agreement”; the terms defined therein and not otherwise defined herein being used herein as therein defined), among International Transmission Company, a Michigan limited liability company (“ITC”), Michigan Electric Transmission Company, LLC, a Michigan corporation (“METC” and together with ITC, the “Borrowers”), the Lenders, and JPMorgan Chase Bank, N.A., as the Administrative Agent.

WITNESSETH:

          WHEREAS, the Credit Agreement provides in Section 4.3(d) thereof that any Lender with (when applicable) the consent of the Borrowers may increase the amount of its Commitment by executing and delivering to the Borrowers and the Administrative Agent a supplement to the Credit Agreement in substantially the form of this Supplement; and

          WHEREAS, the undersigned now desires to increase the amount of its Commitment under the Credit Agreement;

          NOW THEREFORE, the undersigned hereby agrees as follows:

     1. The undersigned agrees, subject to the terms and conditions of the Credit Agreement, that on the effective date of this Supplement, it shall have its Commitment increased by $4,000,000.00, thereby making the amount of its Commitment $26,188,679.25.

     2. Terms defined in the Credit Agreement shall have their defined meanings when used herein.

[Remainder of page intentionally left blank]

          IN WITNESS WHEREOF, the undersigned has caused this Supplement to be executed and delivered by a duly authorized officer on the date first above written.

Accepted this 27^th day of December, 2007.

Accepted this 27^th day of December, 2007.

Commitment Increase Supplement

          SUPPLEMENT, dated December 27, 2007, to Revolving Credit Agreement, dated as of March 29, 2007 (as the same may be amended, modified, supplemented, restated or replaced from time to time, the “Credit Agreement”; the terms defined therein and not otherwise defined herein being used herein as therein defined), among International Transmission Company, a Michigan limited liability company (“ITC”), Michigan Electric Transmission Company, LLC, a Michigan corporation (“METC” and together with ITC, the “Borrowers”), the Lenders, and JPMorgan Chase Bank, N.A., as the Administrative Agent.

WITNESSETH:

          WHEREAS, the Credit Agreement provides in Section 4.3(d) thereof that any Lender with (when applicable) the consent of the Borrowers may increase the amount of its Commitment by executing and delivering to the Borrowers and the Administrative Agent a supplement to the Credit Agreement in substantially the form of this Supplement; and

          WHEREAS, the undersigned now desires to increase the amount of its Commitment under the Credit Agreement;

          NOW THEREFORE, the undersigned hereby agrees as follows:

     1. The undersigned agrees, subject to the terms and conditions of the Credit Agreement, that on the effective date of this Supplement, it shall have its Commitment increased by $4,000,000.00, thereby making the amount of its Commitment $26,188,679.25.

     2. Terms defined in the Credit Agreement shall have their defined meanings when used herein.

[Remainder of page intentionally left blank]

          IN WITNESS WHEREOF, the undersigned has caused this Supplement to be executed and delivered by a duly authorized officer on the date first above written.

Accepted this 27^th day of December, 2007.

Accepted this 27^th day of December, 2007.

Commitment Increase Supplement

          SUPPLEMENT, dated December 27, 2007, to Revolving Credit Agreement, dated as of March 29, 2007 (as the same may be amended, modified, supplemented, restated or replaced from time to time, the “Credit Agreement”; the terms defined therein and not otherwise defined herein being used herein as therein defined), among International Transmission Company, a Michigan limited liability company (“ITC”), Michigan Electric Transmission Company, LLC, a Michigan corporation (“METC” and together with ITC, the “Borrowers”), the Lenders, and JPMorgan Chase Bank, N.A., as the Administrative Agent.

WITNESSETH:

          WHEREAS, the Credit Agreement provides in Section 4.3(d) thereof that any Lender with (when applicable) the consent of the Borrowers may increase the amount of its Commitment by executing and delivering to the Borrowers and the Administrative Agent a supplement to the Credit Agreement in substantially the form of this Supplement; and

          WHEREAS, the undersigned now desires to increase the amount of its Commitment under the Credit Agreement;

          NOW THEREFORE, the undersigned hereby agrees as follows:

     1. The undersigned agrees, subject to the terms and conditions of the Credit Agreement, that on the effective date of this Supplement, it shall have its Commitment increased by $2,750,000.00, thereby making the amount of its Commitment $18,599,056.60.

     2. Terms defined in the Credit Agreement shall have their defined meanings when used herein.

[Remainder of page intentionally left blank]

          IN WITNESS WHEREOF, the undersigned has caused this Supplement to be executed and delivered by a duly authorized officer on the date first above written.

Accepted this 27^th day of December, 2007.

Accepted this 27^th day of December, 2007.

Commitment Increase Supplement

          SUPPLEMENT, dated December 27, 2007, to Revolving Credit Agreement, dated as of March 29, 2007 (as the same may be amended, modified, supplemented, restated or replaced from time to time, the “Credit Agreement”; the terms defined therein and not otherwise defined herein being used herein as therein defined), among International Transmission Company, a Michigan limited liability company (“ITC”), Michigan Electric Transmission Company, LLC, a Michigan corporation (“METC” and together with ITC, the “Borrowers”), the Lenders, and JPMorgan Chase Bank, N.A., as the Administrative Agent.

WITNESSETH:

          WHEREAS, the Credit Agreement provides in Section 4.3(d) thereof that any Lender with (when applicable) the consent of the Borrowers may increase the amount of its Commitment by executing and delivering to the Borrowers and the Administrative Agent a supplement to the Credit Agreement in substantially the form of this Supplement; and

          WHEREAS, the undersigned now desires to increase the amount of its Commitment under the Credit Agreement;

          NOW THEREFORE, the undersigned hereby agrees as follows:

     1. The undersigned agrees, subject to the terms and conditions of the Credit Agreement, that on the effective date of this Supplement, it shall have its Commitment increased by $2,750,000.00, thereby making the amount of its Commitment $18,599,056.60.

     2. Terms defined in the Credit Agreement shall have their defined meanings when used herein.

[Remainder of page intentionally left blank]

          IN WITNESS WHEREOF, the undersigned has caused this Supplement to be executed and delivered by a duly authorized officer on the date first above written.

Accepted this 27^th day of December, 2007.

Accepted this 27^th day of December, 2007.

Commitment Increase Supplement

          SUPPLEMENT, dated December 27, 2007, to Revolving Credit Agreement, dated as of March 29, 2007 (as the same may be amended, modified, supplemented, restated or replaced from time to time, the “Credit Agreement”; the terms defined therein and not otherwise defined herein being used herein as therein defined), among International Transmission Company, a Michigan limited liability company (“ITC”), Michigan Electric Transmission Company, LLC, a Michigan corporation (“METC” and together with ITC, the “Borrowers”), the Lenders, and JPMorgan Chase Bank, N.A., as the Administrative Agent.

WITNESSETH:

          WHEREAS, the Credit Agreement provides in Section 4.3(d) thereof that any Lender with (when applicable) the consent of the Borrowers may increase the amount of its Commitment by executing and delivering to the Borrowers and the Administrative Agent a supplement to the Credit Agreement in substantially the form of this Supplement; and

          WHEREAS, the undersigned now desires to increase the amount of its Commitment under the Credit Agreement;

          NOW THEREFORE, the undersigned hereby agrees as follows:

     1. The undersigned agrees, subject to the terms and conditions of the Credit Agreement, that on the effective date of this Supplement, it shall have its Commitment increased by $2,750,000.00, thereby making the amount of its Commitment $18,599,056.60.

     2. Terms defined in the Credit Agreement shall have their defined meanings when used herein.

[Remainder of page intentionally left blank]

          IN WITNESS WHEREOF, the undersigned has caused this Supplement to be executed and delivered by a duly authorized officer on the date first above written.

Accepted this 27^th day of December, 2007.

Accepted this 27^th day of December, 2007