POWER OF ATTORNEY
WHEREAS, CILCORP Inc., an Illinois corporation (herein referred to as the “Company”), is required to file with the
Securities and Exchange Commission, under the provisions of the Securities Exchange Act of 1934, as amended, its annual
report on Form 10-K for the year ended December 31, 2008; and
WHEREAS, each of the below undersigned is a director of the Company.
NOW, THEREFORE, each of the undersigned hereby constitutes and appoints Gary L. Rainwater and/or Warner L. Baxter
and/or Steven R. Sullivan and/or Martin J. Lyons and/or Jerre E. Birdsong the true and lawful attorneys-in-fact of the
undersigned, for and in the name, place and stead of the undersigned, to affix the name of the undersigned to said Form 10-K
and any amendments thereto, and, for the performance of the same acts, each with power to appoint in their place and stead and
as their substitute, one or more attorneys-in-fact for the undersigned, with full power of revocation; hereby ratifying and
confirming all that said attorneys-in-fact may do by virtue hereof.
IN WITNESS WHEREOF, the undersigned have hereunto set their hands this 13th day of February 2009:
On this 13th day of February, 2009, before me, the undersigned Notary Public in and for said State, personally appeared the
above-named directors of CILCORP Inc., known to me to be the persons described in and who executed the foregoing power of
attorney and acknowledged to me that they executed the same as their free act and deed for the purposes therein stated.
IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official seal.
Daniel F. Cole, Director
/s/ Daniel F. Cole
Patrick T. Stokes, Director
/s/ Patrick T. Stokes
Steven R. Sullivan, Director
/s/ Steven R. Sullivan
STATE OF MISSOURI )
CITY OF ST. LOUIS
/s/ Carolyn J. Shannon
CAROLYN J. SHANNON
Notary Public – Notary Seal
STATE OF MISSOURI – ST. LOUIS COUNTY