Exhibit 1.4 AMEREN CORPORATION 9.75% ADJUSTABLE CONVERSION-RATE EQUITY SECURITY UNITS UNDERWRITING AGREEMENT ----------------------Underwriting Agreement • March 12th, 2002 • Ameren Corp • Electric & other services combined
Contract Type FiledMarch 12th, 2002 Company Industry
ANDPledge Agreement • March 12th, 2002 • Ameren Corp • Electric & other services combined • New York
Contract Type FiledMarch 12th, 2002 Company Industry Jurisdiction
AND THE BANK OF NEW YORK as Purchase Contract Agent and TrusteePurchase Contract Agreement • March 12th, 2002 • Ameren Corp • Electric & other services combined • New York
Contract Type FiledMarch 12th, 2002 Company Industry Jurisdiction
WITNESSETH:Remarketing Agreement • March 12th, 2002 • Ameren Corp • Electric & other services combined • New York
Contract Type FiledMarch 12th, 2002 Company Industry Jurisdiction