On September 30, 2015, the Board of Directors of VIVUS Inc. appointed Johann Noor Mohamed, the company's Vice President and Corporate Controller, to serve as the company's interim Chief Financial Officer and interim Chief Accounting Officer, effective October 1, 2015. Mr. Noor Mohamed served as the company's Vice President and Corporate Controller from June 2015 to September 2015, as the company's Corporate Controller from January 2014 to May 2015 and as the company's Assistant Controller from October 2012 to December 2013. In addition, on September 30, 2015, the Board of Directors of the company appointed Mark K. Oki to serve as the company's Chief Financial Officer and Chief Accounting Officer effective October 19, 2015.

Mr. Noor Mohamed has agreed to resign from the position of interim Chief Financial Officer and interim Chief Accounting Officer and resume his service as the company's Vice President and Corporate Controller, as of the effective date of Mr. Oki's appointment as the company's Chief Financial Officer and Chief Accounting Officer.