On July 25, 2015, Clean Coal Technologies, Inc. board member, Ignacio Ponce de Leon, submitted his written resignation as director on the company's Board of Directors, which was effective on July 31, 2015. In addition, Mr. Ponce de Leon resigned as Chief Operating Officer of the company, which also became effective on July 31, 2015. Mr. Ponce de Leon's resignation as a director and an executive officer of the Company was in connection with his decision to retire.