Attached files

file filename
8-K - FORM 8-K - AMEREN CORPd269586d8k.htm
EX-10.1 - 2012 AMEREN EXECUTIVE INCENTIVE PLAN - AMEREN CORPd269586dex101.htm
EX-10.2 - FORM OF PERFORMANCE SHARE UNIT AWARD AGREEMENT - AMEREN CORPd269586dex102.htm

EXHIBIT 99.1

FORMULA FOR DETERMINING 2012 TARGET PERFORMANCE SHARE UNIT

AWARDS TO BE ISSUED TO NAMED EXECUTIVE OFFICERS

The target number of performance share units to be issued to each Named Executive Officer listed below for 2012 will be determined in accordance with the following formula:

 

2012 Target Number PSU Awards    =   

Base Salary

as of 1/1/12

   x   

Long-Term

Incentive Target

listed below

      Average closing price of Ameren Corporation Common Stock on The New York Stock Exchange for each trading day in December 2011

 

NAMED EXECUTIVE OFFICER

 

LONG-TERM INCENTIVE

TARGET AS PERCENT OF BASE SALARY

Voss   325%
Lyons   175%
Baxter   175%
Sullivan   160%
Naslund   150%