110 Dialog Semiconductor Plc | Annual report and accounts 2012  |  Section 4 | Consolidated financial statements and notes 25. Financial risk management objectives and policies continued Notes to the consolidated financial statements For the year ended 31 December 2012  Hedging instruments for Japanese Yen commitments:  Maturity  Nominal amount ¥000 Forward rate ¥/US$ Nominal amount ¥000  Historical rate ¥/US$ Derivatives  Deposits  2012  January 2013  50,000 78.000 –  – February 2013  50,000 78.000 –  – March 2013  50,000 78.000 –  – April 2013  45,000 78.000 –  – May 2013  45,000 78.000 –  – June 2013  45,000 78.000 –  – July 2013  45,000 78.000 –  – August 2013  45,000 82.000 –  – September 2013  45,000 82.000 45,000  78.253 October 2013  45,000 82.000 45,000  78.253 November 2013  45,000 83.000 –  – December 2013  45,000 83.000 –  – 2011  January 2012  60,000 77.519 –  - February 2012  64,000 77.519 –  - March 2012  75,000 77.519 –  -