Exhibit
7.1




COMPUTATION
OF RATIO OF EARNINGS TO FIXED CHARGES





The
following table sets forth the ratio of earnings to fixed charges for Thomson
Reuters Corporation for the period presented.  For purposes of
reporting with the US Securities and Exchange Commission, Thomson Reuters PLC is
a successor issuer to Reuters Group PLC (Reuters).





Thomson
Reuters has two parent companies — Thomson Reuters Corporation and Thomson
Reuters PLC — and their respective subsidiaries operate as a unified group under
a dual listed company structure. Accordingly, standalone Thomson Reuters PLC
information, which excludes the results of Thomson Reuters Corporation, is not
indicative of the financial position, results of operations or cash flows of
Thomson Reuters as a whole and does not provide meaningful information for
investors.  Thomson Reuters primary financial statements are the
consolidated financial statements of Thomson Reuters Corporation, which account
for Thomson Reuters PLC as a subsidiary.





Accordingly,
the computation below is based on Thomson Reuters Corporation consolidated
financial statements as at and for the year ended December 31, 2008, which
include the results of Reuters from April 17, 2008, the date Reuters was
acquired by The Thomson Corporation (renamed Thomson Reuters Corporation as of
that date).





We have
not made any pro forma adjustments to reflect Reuters results from the beginning
of the period presented as Thomson Reuters Corporation was not required to
prepare consolidated pro forma financial statements as at and for the year ended
December 31, 2008.  We computed the ratio of earnings to fixed charges
by dividing the amount of total earnings by the amount of total fixed
charges.





(U.S.
      dollars in millions, except ratio)
                                                          
                                                          Year ended
                                                            December
      31, 2008Earnings:Earnings
      from continuing operations(1)
                                                          
                                                          
                                                          1,405Add
      back:Income
      taxes
                                                          
                                                          
                                                          351Tradeweb
      ownership interests, net of tax
                                                          
                                                          
                                                          17Earnings
      from continuing operations before income taxes and minority
      interests
                                                          
                                                          
                                                          1,773Add:Fixed
      charges
                                                          
                                                          
                                                          488Dividends
      from equity affiliates
                                                          
                                                          
                                                          2Less:Preference
      shares dividend requirement
                                                          
                                                          
                                                          (6
                                                          )Tradeweb
      ownership interests before income taxes included above
                                                          
                                                          
                                                          (28
                                                          )Earnings,
      as adjusted
                                                          
                                                          
                                                          2,229Fixed
      Charges:Interest
      expense
                                                          
                                                          
                                                          388Estimated
      interest component of rental expense
                                                          
                                                          
                                                          94Preference
      shares dividend requirement
                                                          
                                                          
                                                          6Fixed
      charges, total
                                                          
                                                          
                                                          488Ratio
      of earnings to fixed charges
                                                          
                                                          
                                                          4.57





(1)
            Amount
      as reported in Thomson Reuters Corporation audited consolidated statement
      of earnings for the year ended December 31,
  2008.










The
following table sets forth the ratio of earnings to fixed charges for Reuters
for the periods presented. The information below was derived from audited
financial statements previously filed by Reuters with the SEC. We computed the
ratios of earnings to fixed charges by dividing the amount of total earnings by
the amount of total fixed charges.




Year
      Ended December 31,(in
      millions of British pounds sterling, except for ratios)
                                
                                2007
                                  IFRS
                                
                                
                                2006
                                  IFRS
                                
                                
                                2005
                                  IFRS
                                
                                
                                2004
                                  IFRSEarningsEarnings
      from continuing operations before income taxes
                                
                                £
                                281
                                
                                
                                £
                                320
                                
                                
                                £
                                237
                                
                                
                                £
                                389Fixed
      charges
                                
                                
                                70
                                
                                
                                
                                57
                                
                                
                                
                                59
                                
                                
                                
                                68Total
                                
                                £
                                351
                                
                                
                                £
                                377
                                
                                
                                £
                                296
                                
                                
                                £
                                457Fixed
      ChargesInterest
      expense
                                
                                £
                                46
                                
                                
                                £
                                32
                                
                                
                                £
                                28
                                
                                
                                £
                                27Estimated
      interest component of rental expense
                                
                                
                                24
                                
                                
                                
                                25
                                
                                
                                
                                31
                                
                                
                                
                                41Total
                                
                                £
                                70
                                
                                
                                £
                                57
                                
                                
                                £
                                59
                                
                                
                                £
                                68Ratio
      of Earnings to Fixed Charges
                                
                                
                                5.01
                                x
                                
                                
                                6.61
                                x
                                
                                
                                5.02
                                x
                                
                                
                                6.72
                                x





The
ratios above for 2005, 2006 and 2007 reflect Reuters adoption of IAS 39 in
2005.





The
following table sets forth the ratio of earnings to fixed charges for Reuters
Group PLC for the applicable periods under US GAAP.





Year
      Ended December 31,(in
      millions of British pounds sterling, except for ratios)
                            
                            2006
                              US
      GAAP
                            
                            
                            2005
                              US
      GAAP
                            
                            
                            2004
                              US
      GAAPEarningsEarnings
      (loss) from continuing operations before income taxes
                            
                            £
                            350
                            
                            
                            £
                            162
                            
                            
                            £
                            519Fixed
      charges
                            
                            
                            57
                            
                            
                            
                            59
                            
                            
                            
                            68Total
                            
                            £
                            407
                            
                            
                            £
                            221
                            
                            
                            £
                            587Fixed
      ChargesInterest
      expense
                            
                            £
                            32
                            
                            
                            £
                            28
                            
                            
                            £
                            27Estimated
      interest component of rental expense
                            
                            
                            25
                            
                            
                            
                            31
                            
                            
                            
                            41Total
                            
                            £
                            57
                            
                            
                            £
                            59
                            
                            
                            £
                            68Ratio
      of Earnings to Fixed Charges
                            
                            
                            7.14
                            x
                            
                            
                            3.75
                            x
                            
                            
                            8.63
                            x