(a)  Do or cause to be done all things necessary to preserve, renew and keep in full force and effect its legal existence, except, in the case of a Subsidiary other than the Borrower, where the failure to do so would not reasonably be expected to have a Material Adverse Effect, and except as otherwise expressly permitted under Section 6.05; provided that Parent or the Borrower may liquidate or dissolve one or more Subsidiaries (other than the Borrower) if the assets of such Subsidiaries to the extent they exceed estimated liabilities are acquired by Parent or a Subsidiary of Parent (in the case of any Subsidiary that is not (i) the Borrower or (ii) a Subsidiary of the Borrower), the Borrower or a Subsidiary of the Borrower in such liquidation or dissolution, except that Subsidiary Loan Parties may not be liquidated into Subsidiaries that are not Loan Parties and Domestic Subsidiaries may not be liquidated into Foreign Subsidiaries.