COMERICA INC Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31)

COMERICA INC Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31)

COMERICA INC reported Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) of 610.00% for the 12-month period ending 2011-12-31, per its 10-K filed 2012-02-21.

Discontinued › Notes › Compensation Related Costs

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm · last filed 2012-02-21

• COMERICA INC share-based compensation arrangement by share-based payment award, fair value assumptions, expected term (deprecated 2012-01-31) for fiscal 2011 was 610.00%, a 0.00% change from fiscal 2010.
• COMERICA INC share-based compensation arrangement by share-based payment award, fair value assumptions, expected term (deprecated 2012-01-31) for fiscal 2010 was 610.00%, a 4.69% decline from fiscal 2009.
• COMERICA INC share-based compensation arrangement by share-based payment award, fair value assumptions, expected term (deprecated 2012-01-31) for fiscal 2009 was 640.00%, a 3.03% decline from fiscal 2008.
• COMERICA INC share-based compensation arrangement by share-based payment award, fair value assumptions, expected term (deprecated 2012-01-31) for fiscal 2008 was 660.00%.