Attached files

file filename
EX-21 - EXHIBIT 21 - Willbros Group, Inc.\NEW\c13751exv21.htm
EX-32.1 - EXHIBIT 32.1 - Willbros Group, Inc.\NEW\c13751exv32w1.htm
EX-31.2 - EXHIBIT 31.2 - Willbros Group, Inc.\NEW\c13751exv31w2.htm
EX-23.1 - EXHIBIT 23.1 - Willbros Group, Inc.\NEW\c13751exv23w1.htm
EX-31.1 - EXHIBIT 31.1 - Willbros Group, Inc.\NEW\c13751exv31w1.htm
EX-10.40 - EXHIBIT 10.40 - Willbros Group, Inc.\NEW\c13751exv10w40.htm
EX-10.52 - EXHIBIT 10.52 - Willbros Group, Inc.\NEW\c13751exv10w52.htm
10-K - FORM 10-K - Willbros Group, Inc.\NEW\c13751e10vk.htm
EX-10.41 - EXHIBIT 10.41 - Willbros Group, Inc.\NEW\c13751exv10w41.htm
Exhibit 32.2
CERTIFICATION PURSUANT TO
18 USC. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report of Willbros Group, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Van A. Welch, Chief Financial Officer of the Company, hereby certify pursuant to 18 USC. 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.
         
Date: March 14, 2011  /s/ Van A. Welch    
  Van A. Welch   
  Chief Financial Officer