December 31, 2007 Uses in 2007 Bonus Payment Clause

2007 Bonus Payment from Payment Agreement

ADDITIONAL PAYMENT AGREEMENT, dated as of the 10th day of October, 2007 (this Agreement), by and between TXU Corp. (which is expected to be renamed Energy Future Holdings Corp. following the Merger (as defined below)), a Texas corporation (the Company), Texas Energy Future Holdings Limited Partnership, a Delaware limited partnership (the Parent), Texas Competitive Electric Holdings LLC, a Delaware limited liability company (the Holdings), and Jonathan A. Siegler (the Executive).

2007 Bonus Payment. Executive shall be entitled to receive a cash bonus with respect to the 2007 calendar year (the 2007 Award) under and subject to the terms and conditions of the Companys Annual Incentive Plan (the AIP); provided that such bonus payment shall not be less than the percentage of the Target Incentive Pool (as defined in the AIP) used in determining the 2007 Award for all other participants in the AIP and with a personal modifier of at least 100%; provided further, in the event that Executives employment with the Company terminates (i) prior to December 31, 2007, Executive shall be entitled to receive an amount of the 2007 Award prorated on the basis of the number of months Executive was employed by the Company during 2007, with the month of termination counting as a full month for this purpose, or (ii) on or after December 31, 2007, but prior to the date that the 2007 Award is paid to Executive, then Executive shall receive the same 2007 Award as Executive would have received if Executive was employed by the Company on the date that the 2007 Award is paid. The 2007 Award shall be paid to Executive at the same time that the 2007 Award is paid to other recipients of such award who are employed by the Company.

2007 Bonus Payment from Payment Agreement

ADDITIONAL PAYMENT AGREEMENT, dated as of the 10th day of October, 2007 (this Agreement), by and between TXU Corp. (which is expected to be renamed Energy Future Holdings Corp. following the Merger (as defined below)), a Texas corporation (the Company), Texas Energy Future Holdings Limited Partnership, a Delaware limited partnership (the Parent), Texas Competitive Electric Holdings LLC, a Delaware limited liability company (the Holdings), and David A. Campbell (the Executive).

2007 Bonus Payment. Executive shall be entitled to receive a cash bonus with respect to the 2007 calendar year (the 2007 Award) under and subject to the terms and conditions of the Companys Annual Incentive Plan (the AIP); provided that such bonus payment shall not be less than the percentage of the Target Incentive Pool (as defined in the AIP) used in determining the 2007 Award for all other participants in the AIP and with a personal modifier of at least 100%; provided further, in the event that Executives employment with the Company terminates (i) prior to December 31, 2007, Executive shall be entitled to receive an amount of the 2007 Award prorated on the basis of the number of months Executive was employed by the Company during 2007, with the month of termination counting as a full month for this purpose, or (ii) on or after December 31, 2007, but prior to the date that the 2007 Award is paid to Executive, then Executive shall receive the same 2007 Award as Executive would have received if Executive was employed by the Company on the date that the 2007 Award is paid. The 2007 Award shall be paid to Executive at the same time that the 2007 Award is paid to other recipients of such award who are employed by the Company.

2007 Bonus Payment from Payment Agreement

ADDITIONAL PAYMENT AGREEMENT, dated as of the 10th day of October, 2007 (this Agreement), by and between TXU Corp. (which is expected to be renamed Energy Future Holdings Corp. following the Merger (as defined below)), a Texas corporation (the Company), Texas Energy Future Holdings Limited Partnership, a Delaware limited partnership (the Parent), Texas Competitive Electric Holdings LLC, a Delaware limited liability company (the Holdings), and David P. Poole (the Executive).

2007 Bonus Payment. Executive shall be entitled to receive a cash bonus with respect to the 2007 calendar year (the 2007 Award) under and subject to the terms and conditions of the Companys Annual Incentive Plan (the AIP); provided that such bonus payment shall not be less than the percentage of the Target Incentive Pool (as defined in the AIP) used in determining the 2007 Award for all other participants in the AIP and with a personal modifier of at least 100%; provided further, in the event that Executives employment with the Company terminates (i) prior to December 31, 2007, Executive shall be entitled to receive an amount of the 2007 Award prorated on the basis of the number of months Executive was employed by the Company during 2007, with the month of termination counting as a full month for this purpose, or (ii) on or after December 31, 2007, but prior to the date that the 2007 Award is paid to Executive, then Executive shall receive the same 2007 Award as Executive would have received if Executive was employed by the Company on the date that the 2007 Award is paid. The 2007 Award shall be paid to Executive at the same time that the 2007 Award is paid to other recipients of such award who are employed by the Company.

2007 Bonus Payment from Payment Agreement

ADDITIONAL PAYMENT AGREEMENT, dated as of the 10th day of October, 2007 (this Agreement), by and between TXU Corp. (which is expected to be renamed Energy Future Holdings Corp. following the Merger (as defined below)), a Texas corporation (the Company), Texas Energy Future Holdings Limited Partnership, a Delaware limited partnership (the Parent), Texas Competitive Electric Holdings LLC, a Delaware limited liability company (the Holdings), and James A. Burke (the Executive).

2007 Bonus Payment. Executive shall be entitled to receive a cash bonus with respect to the 2007 calendar year (the 2007 Award) under and subject to the terms and conditions of the Companys Annual Incentive Plan (the AIP); provided that such bonus payment shall not be less than the percentage of the Target Incentive Pool (as defined in the AIP) used in determining the 2007 Award for all other participants in the AIP and with a personal modifier of at least 100%; provided further, in the event that Executives employment with the Company terminates (i) prior to December 31, 2007, Executive shall be entitled to receive an amount of the 2007 Award prorated on the basis of the number of months Executive was employed by the Company during 2007, with the month of termination counting as a full month for this purpose, or (ii) on or after December 31, 2007, but prior to the date that the 2007 Award is paid to Executive, then Executive shall receive the same 2007 Award as Executive would have received if Executive was employed by the Company on the date that the 2007 Award is paid. The 2007 Award shall be paid to Executive at the same time that the 2007 Award is paid to other recipients of such award who are employed by the Company.

2007 BONUS PAYMENT from Transition Agreement

This Transition Agreement (Agreement) is made effective this 2nd day of January, 2008 by and between Odyssey Marine Exploration, Inc., (Odyssey), of 5215 West Laurel Street, Tampa, FL, 33607, and John C. Morris (Morris), together referred to as the Parties.

2007 BONUS PAYMENT. The Parties agree that Morris has earned a bonus for the year ended December 31, 2007, as determined by the Compensation Committee. Such bonus will be paid no later than February 28, 2008 and may be paid by cash or a combination of cash and a stock award from the Companys 2005 Stock Incentive Plan as determined between the Parties, provided shares are available in the Plan for such an award.