Sino Oil and Gas Holdings Limited announced the changes in the company's executive director and chief executive officer and appointment of its senior management, with effect from June 1, 2013. Mr. Xu Zucheng has resigned as executive director and chief executive officer due to his personal reasons. Mr. Zhu Danping has been appointed as executive director and chief executive officer of the company.

Mr. Zhu Danping, joined the Group in September 2012. Mr. Zhu is responsible for the Group's operational management and the coordination in relation to the government's public affairs, in particular the production and operation of Orion Energy International Inc. In early 2013, Mr. Zhu was appointed as chairman of OEI; director and legal representative of Pipeline International Limited. Prior to joining the Group, Mr. Zhu worked in Shenzhen Industrial Exhibition Centre as a curator for the construction of the new building and the tender for exhibition during the period between 2007 and 2012 and has extensive experience in the operating management and working for government authorities.

Dr. Rao Mengyu has joined OEI since December 2007 and now serves as the general manager of OEI. Dr. Rao was appointed as vice president of the Group on June 1, 2013. Currently, Dr. Rao is mainly responsible for the scientific research, exploration deployment, engineering design, onsite engineering design, CBM exploration of Sanjiao Block CBM project of the Group.

Dr. Wang Haiqiao joined OEI in 2009 and now serves as the deputy general manager. Dr. Wang was appointed as the deputy chief geologist of the Group on June 1, 2013.