On August 14, 2015, Benjamin M. Dent resigned as Chief Financial Officer, Vice President of Operations, Secretary and Treasurer of Rock Creek Pharmaceuticals, Inc. in order to pursue other interests. The company's Board of Directors has appointed William L. McMahon to replace Mr. Dent on an interim basis. Mr. McMahon will serve as the Interim Chief Financial Officer and Treasurer of the company until the company appoints a permanent Chief Financial Officer and Treasurer.

Mr. McMahon first joined the company in July 2015, as a financial consultant. As Interim Chief Financial Officer and Treasurer, he will continue to serve the Company as an independent contractor on an at-will basis. Also effective August 14, Theodore Jenkins has been appointed Secretary of the Company to replace Mr. Dent in that role.

Prior to be engaged by the Company in July 2015, Mr. McMahon, served at the Chief Financial Officer for Neptune Minerals, Inc. Mr. McMahon joined Neptune Minerals in January 2012 after serving as an interim CFO while as a partner in Tatum LLC, and continues to serve as Neptune's Chief Financial Officer on a part-time basis. Prior to Neptune, from January 2011 to January 2012 Mr. McMahon served as a Partner of Tatum LLC, where he was responsible for interim CFO positions for clients of Tatum. From January 2010 to January 2011, Mr. McMahon as an independent contractor providing financial management consulting services to privately held manufacturing clients.

During his 35 plus year career, Mr. McMahon has also served as Chief Financial Officer, Controller and Treasurer for various small to medium size public and private companies.