EXHIBIT 15


Catalina Marketing Corporation
200 Carillon Parkway
St. Petersburg, Florida  33716

August 10, 2001

Ladies and Gentlemen:

We are aware that Catalina Marketing Corporation has incorporated by reference
in its Registration Statement Nos. 33-46793, 33-77100, 33-82456, 333-07525, 333-
13335 and 333-86905, its Form 10-Q for the quarter ended June 30, 2001, which
includes our report dated July 18, 2001, covering the unaudited interim
financial information contained therein.  Pursuant to Regulation C of the
Securities Act of 1933 (the Act), that report is not considered a part of the
registration statement prepared or certified by our firm or a report prepared or
certified by our firm within the meaning of Sections 7 and 11 of the Act.

Very truly yours,


Arthur Andersen LLP