Dated 4/1- ‘S (1) DAVID STERN and (2) INFORMA PLC 2010 AGREEMENT for the sale and purchase of 50.1% of the issued share capital of China Medical Data Services Limited CMS Cameron McKenna LLP Mitre House Ref: A.IS/SUKKJ125793.00010 (22979899.16) 38 EFTA_R1_02212738 EFTA02725277