Tepfer agrees that during the period that he is employed by uSell (or any of its affiliates), and at all times thereafter, he will refrain from making, in writing or orally, any unfavorable comments about any of the Companies, or any of their owners, officers, directors, employees or agents, or their operations, policies, or procedures, cause embarrassment or public humiliation to such persons or otherwise disparage such persons; provided , however , that nothing herein shall preclude Tepfer from responding truthfully to a lawful subpoena or other compulsory legal process or from providing truthful information otherwise required by law.