|To: | (1) | Nordea
    Bank Finland plc, New York Branch                         
|--- | --- | ---------------------------------------------------------------------
|    |     | 437
    Madison Avenue, 21st Floor                                   
|    |     | New
    York, New York 10022                                         
|    |     | (as
    Agent, Lead Arranger, Security Trustee, Lender and Swap Bank)
|    |     |                                                                      
|    | (2) | DNB
    NOR Bank ASA                                                 
|    |     | 200
    Park Avenue, 31st Floor                                      
|    |     | New
    York, NY 10166-0396                                          
|    |     | (as
    Lead Arranger, Lender and Swap Bank)                         
|    |     |                                                                      
|    | (3) | ABN
    AMRO Bank N.V.                                               
|    |     | Coolsingel
    93                                                    
|    |     | 3012
    AE  Rotterdam                                               
|    |     | The
    Netherlands                                                  
|    |     | (as
    Lead Arranger, Lender and Swap Bank)                         





September
22, 2011





Dear
Sirs:



We
refer to the Loan Agreement dated as of May 3, 2011 (the “Loan Agreement”) among (i) Scorpio Tankers Inc. (the
“Borrower”), (ii) STI Coral Shipping Company Limited and STI Diamond Shipping Company Limited (the “Guarantors”),
(iii) the banks and financial institutions listed therein as lenders (the “Lenders”), (iv) the banks and financial
institutions listed therein as swap banks (the “Swap Banks”), (v) Nordea Bank Finland plc, New York Branch
(the “Agent”), (vi) Nordea Bank Finland plc, New York Branch (the “Security Trustee”) and
(vii) Nordea Bank Finland plc, New York Branch, DnB NOR Bank ASA and ABN AMRO Bank (the “Lead Arrangers”),
relating to a term loan facility of up to US$150,000,000. Words and expressions defined in the Loan Agreement shall have the same
meaning when used herein except as expressly provided in this Letter.



We
request that, by countersigning this Letter, you confirm your agreement to amend the definition of “Consolidated Liquidity”
and the terms of Clauses 12.4 and 12.5 of the Loan Agreement, presently providing as follows:

““Consolidated
Liquidity” means, on a consolidated basis at any time, the sum of (a) cash and (b) Cash Equivalents, in each case held
by the Borrower on a freely available and unencumbered basis;”

|“12.4 | Minimum interest
    coverage. Commencing with the third fiscal quarter of 2011, the Borrower shall maintain a ratio of Consolidated EBITDA
    to Consolidated Net Interest Expense of not less than 2.50 to 1.00. Such ratio shall be calculated quarterly on a trailing
    quarter basis from and including the third fiscal quarter of 2011, provided that for the third fiscal quarter of 2012
  and all periods thereafter such ratio shall be calculated on a trailing four quarter basis.”
|----- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    











|“12.5 | Free liquidity.From and after the Effective Date, the Borrower shall maintain Consolidated Liquidity, including all amounts on deposit
      with any Lead Arranger, of not less than $15,000,000 until the Borrower owns directly or indirectly a fleet of 15 vessels.
      When the Borrower owns directly or indirectly a fleet of 15 vessels, the Borrower shall maintain Consolidated Liquidity, including
      all amounts on deposit with any Lead Arranger, of not less than $15,000,000 plus $750,000 per each additional vessel that
      the Borrower directly or indirectly owns over 15 vessels.”
|----- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



to
  read as follows:

““Consolidated
Liquidity” means, on a consolidated basis at any time, the sum of (a) cash, (b) Cash Equivalents and (c) the Total Available
Commitment (as defined under the Amended and Restated Loan Agreement dated as of July 6, 2011 among, inter alios, the Borrower,
the Lenders, the Swap Banks, the Agent, the Security Trustee and the Lead Arrangers (as amended, supplemented, modified and/or
restated from time to time)), in each case held by the Borrower or any of its subsidiaries on a freely available and unencumbered
basis;”

|“12.4 | Minimum interest
    coverage. Commencing with the third fiscal quarter of 2011, the Borrower shall maintain a ratio of Consolidated EBITDA
    to Consolidated Net Interest Expense of not less than 2.00 to 1.00, provided that for the first fiscal quarter of 2013
    and all periods thereafter such ratio shall be 2.50 to 1.00. Such ratio shall at all times be calculated on a trailing four
  quarter basis.”                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|----- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|“12.5 | Free liquidity.From and after the Effective Date, the Borrower shall maintain Consolidated Liquidity, including all amounts on deposit
    with any Lead Arranger, of not less than $15,000,000 until the Borrower owns directly or indirectly a fleet of 15 vessels.
    When the Borrower owns directly or indirectly a fleet of 15 vessels, the Borrower shall maintain Consolidated Liquidity, including
    all amounts on deposit with any Lead Arranger, of not less than $15,000,000 plus $750,000 per each additional vessel that
    the Borrower directly or indirectly owns over 15 vessels. At all times, the Consolidated Liquidity shall have not less than
    $15,000,000 in cash and Cash Equivalents. For the period September 22, 2011 until December 31, 2012, the Borrower shall maintain
    Consolidated Liquidity of not less than $20,000,000, inclusive of any amounts otherwise maintained pursuant to this Section.”



The
Guarantors, by signature of this Letter, each confirm their approval to the amendments to the Loan Agreement set out herein and
confirm that the guarantee of Clause 16 of the Loan Agreement remains in full force and effect.

Other
than as set out in this Letter, the provisions of the Loan Agreement shall remain unchanged and in full force and effect.

We
agree that this Letter shall constitute a Finance Document for the purposes of the Loan Agreement.



2







The
provisions of Clause 32 (Law and Jurisdiction) of the Loan Agreement shall apply to this Letter as if set out in full but
so that references to “this Agreement” are amended to read “this Letter”. All remaining provisions of
the Loan Agreement and the Finance Documents shall remain in full force and effect.



Yours
faithfully







/s/
Brian M Lee

Brian
M. Lee

Chief
Financial Officer

Scorpio
Tankers Inc.





3









Accepted
and agreed this _____day of September 2011 by:



|NORDEA
                                                                       BANK FINLAND PLC, NEW YORK BRANCH, as Lender, Agent, Security
                                                                       Trustee, Lead Arranger and Swap Bank
        
        
        By:
        /s/ Martin Lunder
        Name:
    Martin Lunder
        Title:
        Senior Vice President
        
        
        
        By:
        /s/ Henning Lyche Christiansen
        Name:
    Henning Lyche Christiansen
        Title:
        First Vice President
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|DNB
                                                          NOR BANK ASA, as Lender, Lead Arranger and Swap Bank
        
        
        By:
        /s/ Nikolai A Nachamkin
        Name:
    Nikolai A. Nachamkin
        Title:
        Senior Vice President
        
        
        
        By:
        /s/ Evan Uhlick
        Name:
    Evan Uhlick
        Title:
        Vice President                                                                                                                                                            
|ABN
                                                          AMRO BANK N.V., as Lender, Lead Arranger and Swap Bank
        
        
        By:
        /s/ A.C.A.J. Diesbroeck
    Name:
        Title:
        
        
        By:
        /s/ J.A.L.M Gorgels
    Name:
        Title:                                                                                                                                                                                                                                                                     



4







We
hereby confirm and acknowledge that we have read and understood the terms and conditions of the above Letter and agree in all
respects to the same and confirm that the guarantee in Clause 16 of the Loan Agreement shall remain in full force and effect and
shall continue to stand as security for the Guaranteed Obligations stated therein.



|STI
                                                                       CORAL SHIPPING COMPANY LIMITED, as Guarantor
        
        
        By:
        /s/ Brian M Lee
        Name:
      Brian M. Lee
        Title:
        Director
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|STI
                                                          DIAMOND SHIPPING COMPANY LIMITED, as Guarantor
        
        
        By:
        /s/ Brian M Lee
        Name:
      Brian M. Lee
        Title:
        Director           



5