X0306 4 2016-03-03 0 0000354869 FIRSTMERIT CORP /OH/ FMER 0001496407 Brocklehurst N. James III CASCADE PLAZA AKRON OH 44308 0 1 0 0 Executive Vice President Common Stock 2016-03-03 4 A 0 2941 0.00 A 52601 D Common Stock 2016-03-03 4 A 0 2488 0.00 A 52999 D Common Stock 2342.2914 I by Managed Account This reflects the vesting of certain performance based restricted stock units, originally granted on April 5, 2013, with respect to 1/3 of the original award based on performance during the 2015 performance period. 2,471 of these shares were previously reported on a Form 4 filed on April 9, 2013, and are reported again due to the vesting of those shares, plus an additional 470 previously unreported shares on March 3, 2016. The total securities owned has been updated to reflect this vesting and the prior reporting. This reflects the vesting of certain performance based restricted stock units, originally granted on April 16, 2014, with respect to 1/3 of the original award based on performance during the 2015 performance period. 2,090 of these shares were previously reported on a Form 4 filed on April 22, 2014, and are reported again due to the vesting of those shares, plus an additional 398 previously unreported shares on March 3, 2016. The total securities owned has been updated to reflect this vesting and the prior reporting. By: Carlton E. Langer For: N. James Brocklehurst 2016-03-07