Certifications

The Company's most recent Annual CEO Certification to the New York Stock Exchange was submitted to the NYSE on June 5, 2017. A copy of this certification, as well as the CEO certifications filed with the NYSE from prior years, can be found below.

Documents
2017 Annual CEO Certification (PDF)
2016 Annual CEO Certification (PDF)
2015 Annual CEO Certification (PDF)
2014 Annual CEO Certification (PDF)
2013 Annual CEO Certification (PDF)
2012 Annual CEO Certification (PDF)
2011 Annual CEO Certification (PDF)
2010 Annual CEO Certification (PDF)
2009 Annual CEO Certification (PDF)
2008 Annual CEO Certification (PDF)
2007 Annual CEO Certification (PDF)