Exhibit 99.1
5 January, 2012
ICON plc
Purchase of Own Securities
Further to the announcement on 22 November, 2011 of a share repurchase programme, ICON plc (“the Company”) announces that on 4 January, 2012 it purchased for cancellation 30,000 Ordinary Shares, at an average price of $17.1833.
Following the cancellation of these shares, the Company will have 60,100,303 Ordinary Shares in issue.