Securities and Exchange Commission

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate

The risk-free interest rate assumption that is used in valuing an option on its own shares.

Compare To Other Companies

Annual (pure)

Value	Reported On	Form	FY	FP	Start Date	End Date	Fiscal Period
0.039	2011-11-04	8-K	2010	FY	2008-01-01	2008-12-31	CY2008
0.0233	2012-02-29	10-K	2011	FY	2009-01-01	2009-12-31	CY2009
0.0389	2013-02-28	10-K	2012	FY	2010-01-01	2010-12-31	CY2010
0.0258	2014-02-20	10-K	2013	FY	2011-01-01	2011-12-31	CY2011
0.0119	2015-02-24	10-K	2014	FY	2012-01-01	2012-12-31	CY2012
0.0118	2016-02-23	10-K	2015	FY	2013-01-01	2013-12-31	CY2013

All Reported Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate (pure)

Value	Reported On	Form	FY	FP	Start Date	End Date	Fiscal Period
0.039	2011-11-04	8-K	2010	FY	2008-01-01	2008-12-31	CY2008
0.039	2011-02-28	10-K	2010	FY	2008-01-01	2008-12-31
0.0233	2011-11-04	8-K	2010	FY	2009-01-01	2009-12-31
0.0233	2011-02-28	10-K	2010	FY	2009-01-01	2009-12-31
0.0233	2012-02-29	10-K	2011	FY	2009-01-01	2009-12-31	CY2009
0.0389	2011-11-04	8-K	2010	FY	2010-01-01	2010-12-31
0.0389	2011-02-28	10-K	2010	FY	2010-01-01	2010-12-31
0.0389	2013-02-28	10-K	2012	FY	2010-01-01	2010-12-31	CY2010
0.0389	2012-02-29	10-K	2011	FY	2010-01-01	2010-12-31
0.0258	2014-02-20	10-K	2013	FY	2011-01-01	2011-12-31	CY2011
0.0258	2013-02-28	10-K	2012	FY	2011-01-01	2011-12-31
0.0258	2012-02-29	10-K	2011	FY	2011-01-01	2011-12-31
0.0119	2015-02-24	10-K	2014	FY	2012-01-01	2012-12-31	CY2012
0.0119	2014-02-20	10-K	2013	FY	2012-01-01	2012-12-31
0.0119	2013-02-28	10-K	2012	FY	2012-01-01	2012-12-31
0.0118	2016-02-23	10-K	2015	FY	2013-01-01	2013-12-31	CY2013
0.0118	2015-02-24	10-K	2014	FY	2013-01-01	2013-12-31
0.0118	2014-02-20	10-K	2013	FY	2013-01-01	2013-12-31