Automatic Cash Investment Form


	Ameren Services Investor Services 800.255.2237	P.O. Box 66887 St. Louis, MO 63166-6887
AMEREN DRPlus STOCKHOLDER ACCOUNT INFORMATION
Name(s) on Stockholder DRPlus Account:
Address:
City: State: Zip:
DRPlus Account Number:
Taxpayer Identification Number (TIN): (Social Security Number or Employer Identification Number)

AUTOMATIC CASH INVESTMENT- DIRECT DEBIT AUTHORIZATION
I (we) authorize Ameren to initiate withdrawals against my (our) account at the financial institution stated herein, by electronic funds transfer and to apply those funds to the Dividend Reinvestment and Stock Purchase Plan DRPlus account specified herein, for the purchase of Ameren common stock. I (we) also authorize Ameren to initiate corrections to any amounts transferred in error and I (we) waive any claim, without limitation, against Ameren or my (our) financial institution with the respect to the operation of this service.
This authorization will remain in effect until I (we) give written notice to terminate or revise it. I (we) understand that both Ameren and my financial institution reserve the right to terminate this service or my participation therein.
I (we) understand that I (we) am responsible for notifying Ameren of change in financial institution information by providing Ameren with a new Direct Debit Authorization form revising these instructions. I (we) will allow Ameren a reasonable amount of time for initiating, revising, or terminating direct debit.
ALL BANK ACCOUNT HOLDERS MUST SIGN BELOW
______________________________________ Signature of Bank Account Holder					Date:___________________________
______________________________________ Signature of Bank Account Holder					Daytime Telephone Number --

DIRECT DEBIT FINANCIAL INSTITUTION INFORMATION (Your Financial Institution Must Be A Member Of The Automated Clearing House (ACH) Network) MUST BE PERSONAL CHECKING OR SAVINGS ACCOUNT
Name of Financial Institution					Name(s) on Bank Account
Address of Financial Institution					Your Bank Account Number
City			State	Zip	Telephone Number of Financial Institution --
Bank Transit Routing Number (If Unknown, Contact Your Financial Institution.)
Check One: Checking* Savings*					Monthly Cash Investment Amount ($25 Minimum)
					$.00	Even Dollars Only- No Cents
*IF CHECKING ACCOUNT - You Must Attach a Voided Check. IF SAVINGS ACCOUNT - Attach Deposit Slip- Savings Accounts Have No Check Writing Privileges.