EX-23.3 CONSENT OF PRICEWATERHOUSECOOPERS LLP
Published on March 11, 2008
Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of
our report dated February 28, 2008 relating to the financial statement, which appears in New Giant
Corporations Annual Report on Form 10-K for the year ended December 31, 2007.
/s/ PricewaterhouseCoopers LLP
Atlanta, GA
March 7, 2008
Atlanta, GA
March 7, 2008