The board of directors of SIM Technology Group Limited announced that which Mr. Zhang Jianping has resigned as the chief executive officer of the group with effect from May 10, 2013 due to his family's immigration. Mr. Zhang will remain as an executive Director. With effect from May 10, 2013, Mr. Wong Cho Tung, an executive Director, will take up the post of the chief executive officer of the group in place of Mr. Zhang. Mr. Wong is responsible for the Group's developing direction, strategies, corporate planning and macro corporate management. Mr. Wong is the chairperson of Shanghai SIM
Technology Limited, a director of Shanghai Sunrise Simcom Ltd. and SIM Technology HK Limited.