Murphy USA, the Company and each other Subsidiary has timely filed or caused to be filed all Tax returns and reports required to have been filed and has paid or caused to be paid all Taxes required to have been paid by it, except where (a) (i) the validity or amount thereof is being contested in good faith by appropriate proceedings, (ii) Murphy USA, the Company or such Subsidiary, as applicable, has set aside on its books reserves with respect thereto to the extent required by GAAP and (iii) such contest effectively suspends collection of the contested obligation and the enforcement of any Lien securing such obligation or (b) the failure to do so could not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.