ModelEdge

Ameren Illinois Co.

Filing Type	10-K
Filing Date	2/17/2026
Updated	2/18/26, 2:15 PM

Filing

Earnings Release

Exhibits

EX-10.202026 AMEREN EXECUTIVE INCENTIVE PLAN

EX-10.222026 BASE SALARY TABLE FOR NAMED EXECUTIVE OFFICERS

EX-10.25REVISED CHANGE OF CONTROL SEVERANCE PLAN

EX-10.29FORMULA FOR DETERMINING 2026 TARGET PERFORMANCE SHARE UNIT AWARDS

EX-10.412026 PERFORMANCE SHARE UNIT AWARD AGREEMENT - SHAREHOLDER RETURN METRIC

EX-10.422026 PERFORMANCE SHARE UNIT AWARD AGREEMENT - ENERGY RESOURCE DEVELOPMENT METRIC

EX-10.432026 RESTRICTED STOCK UNIT AWARD AGREEMENT

EX-10.44SPECIAL RESTRICTED STOCK UNIT AWARD AGREEMENT

EX-10.45BONUS AGREEMENT

EX-10.46RESTRICTED STOCK UNIT AWARD AGREEMENT

EX-10.47AMEREN CORPORATION SEVERANCE PLAN FOR AMEREN OFFICERS

EX-21.1SUBSIDIARIES OF AMEREN

EX-23.1CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-23.2CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-23.3CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-24.1POWER OF ATTORNEY

EX-24.2POWER OF ATTORNEY

EX-24.3POWER OF ATTORNEY

EX-31.1CERTIFICATION

EX-31.2CERTIFICATION

EX-31.3CERTIFICATION

EX-31.4CERTIFICATION

EX-31.5CERTIFICATION

EX-31.6CERTIFICATION

EX-32.1CERTIFICATION

EX-32.2CERTIFICATION

EX-32.3CERTIFICATION