5b20a255__2010___The_Board_of_Directors__Potential_impact
[Issue] Currency exchange rate fluctuations could adversely impact the Group’s consolidated results. [How it is managed] The balance sheet and cash flows of the Company are hedged by borrowing in the currency of those cash flows. The Company publishes and explains its results in constant currency terms, as well as in sterling and on an actual dollar basis. [Potential impact] 
The Company’s reporting currency is pounds sterling. Given the Group’s significant international operations, changes in exchange rates cause fluctuations in the Company’s results when measured in pounds sterling.
WPP Annual Report 2010 - The Board of Directors