During the years ended 30 June 2012 , our principal operating subsidiaries were tax residents in the United Kingdom. For the year ended 30 June 2012 we were subject to a weighted UK statutory tax rate of 25.5%. Following the reorganization transactions in 2012, although we are organized as a Cayman Islands exempted company, we report as a US domestic corporation for US federal income tax purposes and we are subject to US federal income tax (currently at a statutory rate of 35%) on the majority of our worldwide income