Shaw (SHAW) 10-Q 2011 Q3 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 Quarterly Report of The Shaw Group Inc. (the Company) on Form 10-Q for the fiscal quarter ended May 31, 2011, as filed with the Securities and Exchange Commission on the date hereof (the Report), I, J.M. Bernhard, Jr., Chief Executive Officer of the Company, 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), as applicable, of the Securities Exchange Act of 1934, as amended, and

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

Dated: June 28, 2011	/s/ J.M. Bernhard, Jr.
	Chief Executive Officer

In connection with the Quarterly Report of The Shaw Group Inc. (the Company) on Form 10-Q for the fiscal quarter ended May 31, 2011, as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Brian K. Ferraioli, Chief Financial Officer of the Company, 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), as applicable, of the Securities Exchange Act of 1934, as amended, and

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

Dated: June 28, 2011	/s/ Brian K. Ferraioli
	Chief Financial Officer