Greif Bros. 10-Q 2010
Certification Required by Rule 13a 14(b) of the Securities Exchange Act of 1934 and Section 1350
of Chapter 63 of Title 18 of the United States Code
In connection with the Quarterly Report of Greif, Inc. (the Company) on Form 10-Q for the quarterly period ended July 31, 2010, as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Michael J. Gasser, the 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 to my knowledge:
A signed original of this written statement required by Section 906 has been provided to Greif, Inc. and will be retained by Greif, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.