(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 of the Borrower, where the failure to do so would not reasonably be expected to have a Material Adverse Effect, and except as otherwise permitted under Section 6.05, and except for the liquidation or dissolution of Subsidiaries if the assets of such Subsidiaries to the extent they exceed estimated liabilities are acquired by the Borrower or a Wholly Owned Subsidiary of the Borrower in such liquidation or dissolution; provided , 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 (except in each case as permitted under Section 6.05).