definiens: ( as defined in Section 3(3 ) of ERISA maintained by Buyeror the Companies ( or any of their respective Affiliates ) in which any Continuing Employee is eligible to participate onor after the Closing Date, for the purposes of determining eligibility to participate and vesting ( but not for benefitaccrual purposes ( except for vacation and severance ), or vesting under any equity compensation plan, asapplicable ), such Continuing Employee ’s service with the Companies before the Closing Date shall be treated asservice with Buyer and its Affiliates to the same extent as such Continuing Employee was entitled, before theClosing Date, to credit for such service under any analogous Employee Plan ; provided that the foregoing shall notapply to the extent that it would result in any duplication of benefits for the same period of service . Buyer shall, andshall cause its Affiliates ( including the Companies ) to use commercially reasonable efforts to, waive all limitations asto preexisting conditions, exclusions and waiting periods with respect to participation and coverage of the ContinuingEmployees ( and any dependents thereof ) under any welfare benefit plans in which such Continuing Employees ( andany dependents thereof ) may be eligible to participate after the Closing to the same extent such preexistingconditions, exclusions and waiting periods did not apply or were satisfied under any analogous Employee Plan beforethe Closing Date