One of the expectations of the enforcement agencies is that a properly documented due diligence evaluation is conducted on any consultant, agent or third party whom we engage to act on our behalf. As a result, we ask you to partner with Merck in order for us to meet our due diligence requirements under the laws. Your assistance is requested with the completion of the attached Due Diligence Questionnaire. Please complete all questions and return to the undersigned within twenty–one (21) calendar days of receipt of this request including subcontractors as applicablempliance with the laws.