Lawson Software 10-Q 2009 Q2 Quarterly report

Exhibit 32.2

CERTIFICATION PURSUANT TO
18 U.S.C. §1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Lawson Software, Inc. (the Company) on Form 10-Q for the period ended November 30, 2008 as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Robert A. Schreisheim, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. §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.

/s/ ROBERT A. SCHRIESHEIM

Robert A. Schreisheim

Executive Vice President and Chief Financial Officer

January 7, 2009