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| DATED August 22, 2012                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |   |
| FILED PURSUANT TO RULE 433                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| REGISTRATION NO. 333-173364                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| CATERPILLAR FINANCIAL SERVICES CORPORATION                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| MEDIUM-TERM NOTES, SERIES G, FLOATING RATE NOTES DUE 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
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| SUBJECT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | FINAL PRICING DETAILS |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |   |
| Issuer:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Caterpillar Financial Services Corporation |
| Title of Securities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Medium-Term Notes, Series G, Floating Rate Notes Due 2014 |
| Format:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | SEC Registered-Registration Statement Number 333-173364 |
| Trade Date:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | August 22, 2012 |
| Settlement Date (Original Issue Date):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | August 27, 2012 |
| Maturity Date:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | August 27, 2014 |
| Principal Amount:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | $300,000,000 |
| Price to Public (Issue Price):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 100% |
| Dealers' Commission:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | 00.10% (10 basis points) |
| All-in-price:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | 99.90% |
| Net Proceeds to Issuer:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | $299,700,000 |
| Interest Rate Basis (Benchmark):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | 3 Month USD LIBOR |
| Index Currency:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | U.S. Dollars |
| Spread (Plus or Minus):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | +15 basis points (0.15%) |
| Index Maturity:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | Three Months |
| Interest Rate Calculation:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | USD LIBOR determined on Interest Determination Date plus the Spread |
| Initial Interest Rate:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 3 Month USD LIBOR as of two (2) London Business Days prior to the Original Issue Date plus the Spread |
| Interest Reset Periods and Dates:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Quarterly on the 27th day of  February, May, August, and November of each year prior to the Maturity Date |
| Interest Determination Dates:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | Quarterly, two (2) London Business Days prior to each Interest Reset Date |
| Interest Payment Dates:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Interest will be paid quarterly on the 27th of February, May, August and November of each year, commencing November 27, 2012 and ending on the Maturity Date |
| Day Count Convention:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | Actual/360 |
| Denominations:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | Minimum denominations of $1,000 with increments of $1,000 thereafter |
| Sole Manager & Bookrunner:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | Citigroup Global Markets Inc. (100.00%) |
| Billing and Delivery Agent:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | Citigroup Global Markets Inc. |
| Exchange Rate Agent:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | U.S. Bank Trust National Association |
| Calculation Agent:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | U.S. Bank Trust National Association |
| CUSIP:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 14912L5G2 |
| The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates.  Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering.  You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov.  Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Citigroup Global Markets Inc. toll free at (877) 858-5407. |