EXPLANATORY NOTE
This Form 10-Q/A Amendment No. 1 amends the Quarterly Report on Form 10-Q for the period ended
June 30, 2009, originally filed on August 14, 2009 (the Original Form 10-Q), and is being filed
solely to correct certain inadvertent omissions from the certifications required pursuant to
Section 302 of the Sarbanes-Oxley Act of 2002 (the 302 Certifications) included as Exhibits 31.1
and 31.2 to the Original Form 10-Q. Pursuant to Item 246.13 of the SEC Compliance and Disclosure
Interpretations: Regulation S-K, this Form 10-Q/A includes only the signature page and paragraphs
1, 2, 4 and 5 of the 302 Certifications. This Form 10-Q/A does not reflect events occurring after
the filing of the Original Form 10-Q and no attempt has been made in this Form 10-Q/A to modify or
update other disclosures as presented in the Original Form 10-Q.