September 7, 2012 October 2012 Stakeholder Meeting Ameren Illinois Company (AIC) Ameren Transmission Company of Illinois (ATXI) Purpose: Review 2013 forward-looking transmission rate calculations for Ameren Illinois Company and Ameren Transmission Company of Illinois. (Note that implementation of an AIC forward-looking rate calculation is dependent on approval by FERC of Ameren’s request filed on July 6, 2012 - Docket No. ER12-2216) When: October 17, 2012 at 9:30 am Where: Hilton Garden Inn Shiloh/O’Fallon 360 Regency Park Drive O'Fallon, Illinois, 62269 TEL: 1-618-624-4499 Phone: Arrangements are being made to allow participation by phone. A dial-in number will be provided prior to the meeting. RSVP: Please contact Kay Tapscott if you plan to attend in person or participate by phone. ktapscott@ameren.com or 217-424-8191 The 2013 Rate Calculations are publicly posted on Ameren’s OASIS: http://oasis.midwestiso.org/oasis/AMRN A presentation will be posted at least two weeks prior to the meeting.