|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |  |
| DATED MAY 7, 2013                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |   |
| FILED PURSUANT TO RULE 433                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| REGISTRATION NO. 333-173364                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| CATERPILLAR FINANCIAL SERVICES CORPORATION                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| MEDIUM-TERM NOTES, SERIES G, 2.625% NOTES DUE 2023 (REOPENING)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| SUBJECT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | FINAL PRICING DETAILS |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |   |
| Issuer:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | Caterpillar Financial Services Corporation |
| Title of Securities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | Medium-Term Notes, Series G, 2.625% Notes Due 2023 |
| Format:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | SEC Registered-Registration Statement Number 333-173364 |
| Trade Date:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | May 7, 2013 |
| Settlement Date:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | May 10, 2013 |
| Maturity Date:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | March 1, 2023 |
| Principal Amount:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | $100,000,000.  The notes offered hereby constitute a further issuance of, and will be consolidated with, the $250,000,000 aggregate principal amount of Medium-Term Notes, Series G, 2.625% Notes Due 2023 issued by us on February 28, 2013. The notes offered hereby will have the same CUSIP number as the previously issued Medium-Term Notes, Series G, 2.625% Notes Due 2023 and will trade interchangeably with the previously issued Medium-Term Notes, Series G, 2.625% Notes Due 2023 immediately upon settlement. Upon completion of this offering, the aggregate principal amount outstanding of Medium-Term Notes, Series G, 2.625% Notes Due 2023 will be $350,000,000. |
| Price to Public (Issue Price):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | 99.912%, plus accrued interest |
| Dealers’ Commission:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 0.45% of the principal amount |
| Accrued Interest:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | $510,416.67 |
| All-in-price:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | 99.462%, plus accrued interest |
| Pricing Benchmark:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | UST 2.00% Notes due February 15, 2023 |
| UST Spot (Yield):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | 1.785% |
| Spread to Benchmark:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | +0.85% |
| Yield to Maturity:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 2.635% |
| Net Proceeds to Issuer:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | $99,462,000, plus accrued interest |
| Coupon:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 2.625% |
| Interest Payment Dates:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | Interest will be paid semi-annually on the 1st of each March and September of each year, commencing September 1, 2013 and ending on the Maturity Date |
| Day Count Convention:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | 30/360 |
| Denominations:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | Minimum denominations of $1,000 with increments of $1,000 thereafter |
| Sole Manager & Bookrunner:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | Merrill Lynch, Pierce, Fenner & Smith                      Incorporated (100.00%) |
| Billing and Delivery Agent:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | Merrill Lynch, Pierce, Fenner & Smith                      Incorporated |
| CUSIP:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | 14912L5Q0 |
| Supplemental United States Federal Income Tax Considerations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Final regulations released by the U.S. Department of the Treasury state that Foreign Account Tax Compliance Act (FATCA) withholding (as described in “Certain United States Federal Income Tax Consequences—Non-United States Holders—Foreign Account Tax Compliance” in the prospectus supplement) will generally not apply to debt obligations that are issued prior to January 1, 2014; therefore, the Notes will not be subject to FATCA withholding. |
| 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, the underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Merrill Lynch, Pierce, Fenner & Smith Incorporated toll free at (800) 294-1322. |