. . . . "al property gains, windfall profits, customs, duties or other taxes, fees, assessments or charges of any kind whatsoever, (b) any liability for taxes of any Person under Treasury Regulations Section 1.1502-6 (or any similar provisions of state, local, or foreign law), as a transferee or successor, by contract or otherwise, and (c) any estimated tax, interest, fines, additions to tax or penalties w" . .