SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. ILLINOIS POWER COMPANY (REGISTRANT) By Larry D. Haab ------------------------------------- Larry D. Haab, Chairman, President and Chief Executive Officer Date: March 25, 1997 Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities on the dates indicated. Signature Title Date Larry D. Haab Chairman, President, Chief - ------------------------- Executive Officer and Director Larry D. Haab (Principal Executive Officer) Larry F. Altenbaumer Senior Vice President and - --------------------------- Chief Financial Officer Larry F. Altenbaumer (Principal Financial Officer) Cynthia G. Steward Controller - ---------------------------- Cynthia G. Steward (Principal Accounting Officer) Richard R. Berry - ----------------------------- Richard R. Berry C. Steven McMillan - ----------------------------- C. Steven McMillan -March 25, 1997 Donald S. Perkins - ----------------------------- Donald S. Perkins Robert M. Powers - ---------------------------- Robert M. Powers Walter D. Scott - ---------------------------- Walter D. Scott Director Ronald L. Thompson - --------------------------- Ronald L. Thompson Walter M. Vannoy - --------------------------- Walter M. Vannoy Marilou von Ferstel - --------------------------- Marilou von Ferstel John D. Zeglis - --------------------------- John D. Zeglis SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. ILLINOVA CORPORATION (REGISTRANT) By Larry D. Haab -------------------------------------- Larry D. Haab, Chairman, President and Chief Executive Officer Date: March 25, 1997 Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities on the dates indicated. Signature Title Date Larry D. Haab Chairman, President, Chief - ------------------------ Executive Officer and Director Larry D. Haab (Principal Executive Officer) Larry F. Altenbaumer Chief Financial Officer, - ------------------------- Treasurer and Controller Larry F. Altenbaumer (Principal Financial and Accounting Officer) Richard R. Berry - --------------------------- Richard R. Berry C. Steven McMillan - --------------------------- C. Steven McMillan Donald S. Perkins - --------------------------- March 25, 1997 Donald S. Perkins Robert M. Powers - --------------------------- Robert M. Powers Walter D. Scott - --------------------------- Walter D. Scott Director Ronald L. Thompson - --------------------------- Ronald L. Thompson Walter M. Vannoy - --------------------------- Walter M. Vannoy Marilou von Ferstel - --------------------------- Marilou von Ferstel John D. Zeglis - --------------------------- John D. Zeglis