definiens: means ( a ) statutory liens for current Taxes not yet due and payable or Taxes being contestedin good faith by appropriate proceedings, ( b ) mechanics ’, carriers ’, workers ’, repairers ’ and other similar liens arising orincurred in the ordinary course of business relating to obligations as to which there is no default on the part of Seller or thevalidity or amount of which is being contested in good faith by appropriate proceedings, or pledges, deposits or other lienssecuring the performance of bids, trade contracts, leases or statutory obligations ( including workers ’ compensation, unemployment insurance or other social security legislation ), ( c ) all Encumbrances that would be reflected in title insurancepolicies with respect to any Site as of the Execution Date, ( d ) Encumbrances listed on Schedule 1.1(k ), and ( e ) all otherEncumbrances that would not have a Material Adverse Effect