Each LP Unit Holder shall (a) furnish to APAM in a timely manner such information, documents and other materials as APAM may reasonably request for purposes of making any determination or computation necessary or appropriate under this Agreement, preparing any Tax Return or contesting or defending any audit, examination or controversy with any Taxing Authority, (b) make itself available to APAM and its representatives to provide explanations of documents and materials and such other information as APAM or its representatives may reasonably request in connection with any of the matters described in clause (a) above, and (c) reasonably cooperate in connection with any such matter, and APAM shall reimburse the LP Unit Holder for any reasonable third-party costs and expenses incurred pursuant to this Section 6.3.