Each Debtor shall advise the Administrative Agent promptly, in reasonable detail, of (a) any material Lien, other than Permitted Liens, attaching to or asserted against any of the Collateral, (b) any material change in the composition of the Collateral and (c) the occurrence of any other event which could reasonably be expected to result in a Material Adverse Effect with respect to the Collateral or on the security interest created hereunder.