Informatica 10-Q 2008 Q2 Quarterly report

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Report of Informatica Corporation (the “Company”) on Form 10-Q for the quarterly period ended June 30, 2008, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Sohaib Abbasi, Chief Executive Officer, and Earl Fry, Chief Financial Officer, of the Company, each certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission upon request.

/s/ Sohaib Abbasi                                                                                                           

Sohaib Abbasi

Chief Executive Officer

August 7, 2008

/s/ Earl Fry                                                                                                                    

Earl Fry

Chief Financial Officer

August 7, 2008