The interest on the US Private Placement notes issued in July 2008, the GBP public notes issued in May 2009, 510m of the Euro public notes issued in May 2012 and 380m of the Euro public notes issued in December 2012 was initially kept at fixed rate. In April 2014, the interest rate on £44m of the US Private Placement notes issued in July 2008 and on all the GBP public notes issued in May 2009 was swapped from fixed to floating for a period of three years using derivatives.