AMEREN CORP | 2013 | FY | 3

Ameren’s noncontrolling interests included the preferred stock not subject to mandatory redemption of Ameren Missouri and Ameren Illinois. As of December 31, 2012, Ameren's noncontrolling interests also included the 20% of EEI not owned by Ameren. All noncontrolling interests are classified as a component of equity separate from Ameren’s equity in its consolidated balance sheet.