Form FWP

Filed Pursuant to Rule 433 under the

Securities Act of 1933

Registration Statement No. 333-182222

Issuer Free Writing Prospectus dated

November 28, 2012


$450,000,000 3.250% SENIOR NOTES DUE 2017 (“2017 NOTES”)

$300,000,000 4.375% SENIOR NOTES DUE 2022 (“2022 NOTES”)


Issuer:    The Dun & Bradstreet Corporation
Size:    2017 Notes: $450,000,000
   2022 Notes: $300,000,000
Security Type:    Senior Notes
Coupon:    2017 Notes: 3.250%
   2022 Notes: 4.375%
Maturity:    2017 Notes: December 1, 2017
   2022 Notes: December 1, 2022
Trade Date    November 28, 2012
Price to Public:    2017 Notes: 99.991%
   2022 Notes: 99.027%
Yield:    2017 Notes: 3.252%
   2022 Notes: 4.497%
Spread:    2017 Notes: T + 262.5 bps
   2022 Notes: T + 287.5 bps
Benchmark Treasury:    2017 Notes: 0.750% due October 31, 2017
   2022 Notes: 1.625% due November 15, 2022
Benchmark Treasury Price and    2017 Notes: 100-19; 0.627%
Yield:    2022 Notes: 100-01; 1.622%
Coupon Dates:    June 1 and December 1
First Coupon:    June 1, 2013
Settlement:    December 3, 2012 (T+3), interest will accrue from
   the settlement date
Make Whole Call:    2017 Notes: Callable at any time at the greater of par
   and the make whole redemption price (Treasury plus
   40 basis points)

2022 Notes: Callable at any time prior to September 1,

2022 at the greater of par and the make whole

redemption price (Treasury plus 45 basis points); on

or after September 1, 2022, callable at any time at par

Anticipated Ratings:    2017 Notes: BBB+ (S&P) / BBB+ (Fitch)
   2022 Notes: BBB+ (S&P) / BBB+ (Fitch)
CUSIP / ISIN:    2017 Notes: 26483E AF7 / US26483EAF79
   2022 Notes: 26483E AG5 / US26483EAG52

Joint Bookrunning Managers:    Barclays Capital Inc.
   J.P. Morgan Securities LLC
   HSBC Securities (USA) Inc.
   Merrill Lynch, Pierce, Fenner & Smith Incorporated
Co-Managers:    Mitsubishi UFJ Securities (USA), Inc.
   RBS Securities Inc.
   Citigroup Global Markets Inc.
   Wells Fargo Securities, LLC

Note: A securities rating is not a recommendation to buy, sell or hold a security and may be subject to revision or withdrawal at any time.

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 Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by contacting Barclays Capital Inc. toll-free at (888) 603-5847; or J.P. Morgan Securities LLC collect at 212-834-4533.