Exhibit Index (Continued) Exhibit Description Page Number - ------- ----------- ----------- Exhibit Index Exhibit Page Number - ------- ----------- (3)(i) Articles of Incorporation Illinova Corporation (a)(1) Articles of Amendment to the Articles of Incorporation of Illinova Corporation, filed as of October 31, 1994. Filed as Exhibit 3(a) to the Quarterly Report on Form 10-Q under the Securities Exchange Act of 1934 for the quarter ended September 30, 1994 (File No. 1-3004). * (a)(2) Statement of Correction to the Articles of Incorporation of Illinova Corporation, filed as of October 31, 1994. Filed as Exhibit 3(b) to the Quarterly Report on Form 10-Q under the Securities Exchange Act of 1934 for the quarter ended September 30, 1994 (File No. 1-3004). * Illinois Power Company (b)(1) Amended and Restated Articles of Incorporation of Illinois Power Company, dated September 7, 1994. Filed as Exhibit 3(a) to the Current Report on Form 8-K dated September 7, 1994 (File No. 1-3004). * (3)(ii) By-Laws (a) By-laws of Illinova Corporation, as amended December 14, 1994. Filed as Exhibit 3(b)(2) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1994 (File No. 1-3004). * (b) By-laws of Illinois Power Company, as amended December 14, 1994. Filed as Exhibit 3(b)(1) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1994 (File No. 1-3004). * (4) Instruments Defining Rights of Security Holders, Including Indentures Illinova Corporation (a)(1) See (4)(b) below for instruments defining the rights of holders of long-term debt of Illinois Power Company (a)(2) Indenture dated February 1, 1997, between Illinova Corporation and The First National Bank of Chicago, as trustee. 37 Illinois Power Company (b)(1) Mortgage and Deed of Trust dated November 1, 1943. Filed as Exhibit 2(b) Registration No. 2-14066. * (b)(2) Supplemental Indenture dated October 1, 1966. Filed as Exhibit 2(i) Registration No. 2-27783. * (b)(3) Supplemental Indenture dated May 1, 1974. Filed as Exhibit 2(v) Registration No. 2-51674. * (b)(4) Supplemental Indenture dated May 1, 1977. Filed as Exhibit 2(w) Registration No. 2-59465. * (b)(5) Supplemental Indenture dated July 1, 1979. Filed as Exhibit 2 to the Quarterly Report on Form 10-Q under the Securities Exchange Act of 1934 for the quarter ended June 30, 1979. * (b)(6) Supplemental Indenture dated March 1, 1985. Filed as exhibit 4(a) to the Quarterly Report on Form 10-Q under the Securities Exchange Act of 1934 for the quarter ended March 31, 1985 (File No. 1-3004). * (b)(7) Supplemental Indenture No. 1 dated February 1, 1987, providing for $25,000,000 principal amount of 7 5/8% First Mortgage Bonds, Pollution Control Series F, due December 1, 2016. Filed as Exhibit 4(ii) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1986 (File No. 1-3004). * (b)(8) Supplemental Indenture No. 2 dated February 1, 1987, providing for $50,000,000 principal amount of 7 5/8% First Mortgage Bonds, Pollution Control Series G, due December 1, 2016. Filed as Exhibit 4(jj) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1986 (File No. 1-3004). * (b)(9) Supplemental Indenture No. 3 dated February 1, 1987, providing for $75,000,000 principal amount of 7 5/8% First Mortgage Bonds, Pollution Control Series H, due December 1, 2016. Filed as Exhibit 4(kk) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1986 (File No. 1-3004). * (b)(10) Supplemental Indenture dated July 1, 1987, providing for $33,755,000 principal amount of 8.30% First Mortgage Bonds, Pollution Control Series I, due April 1, 2017. Filed as Exhibit 4(ll) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1987 (File No. 1-3004). * (b)(11) Supplemental Indenture dated December 13, 1989, providing for $300,000,000 principal amount of Medium-Term Notes, Series A. Filed as Exhibit 4(nn) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1989 (File No. 1-3004). * (b)(12) Supplemental Indenture dated July 1, 1991, providing for $84,710,000 principal amount of 7 3/8% First Mortgage Bonds due July 1, 2021. Filed as Exhibit 4(mm) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1991 (File No. 1-3004). * (b)(13) Supplemental Indenture No. 1 dated June 1, 1992. Filed as Exhibit 4(nn) to the Quarterly Report on Form 10-Q for the quarter ended June 30, 1992 (File No. 1-3004). * (b)(14) Supplemental Indenture No. 2 dated June 1, 1992. Filed as Exhibit 4(oo) to the Quarterly Report on Form 10-Q for the quarter ended June 30, 1992 (File No. 1-3004). * (b)(15) Supplemental Indenture No. 1 dated July 1, 1992. Filed as Exhibit 4(pp) to the Quarterly Report on Form 10-Q for the quarter ended June 30, 1992 (File No. 1-3004). * (b)(16) Supplemental Indenture No. 2 dated July 1, 1992. Filed as Exhibit 4(qq) to the Quarterly Report on Form 10-Q for the quarter ended June 30, 1992 (File No. 1-3004). * (b)(17) Supplemental Indenture dated September 1, 1992, providing for $72,000,000 principal amount of 6 1/2% First Mortgage Bonds due September 1, 1999. Filed as Exhibit 4(rr) to the Quarterly Report on Form 10-Q for the quarter ended September 30, 1992 (File No. 1-3004). * (b)(18) General Mortgage Indenture and Deed of Trust dated as of November 1, 1992. Filed as Exhibit 4(cc) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1992 (File No. 1-3004). * (b)(19) Supplemental Indenture dated February 15, 1993, to Mortgage and Deed of Trust dated November 1, 1943. Filed as Exhibit 4(dd) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1992 (File No. 1-3004). * (b)(20) Supplemental Indenture dated February 15, 1993, to General Mortgage Indenture and Deed of Trust dated as of November 1, 1992. Filed as Exhibit 4(ee) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1992 (File No. 1-3004). * (b)(21) Supplemental Indenture No. 1 dated March 15, 1993, to Mortgage and Deed of Trust dated November 1, 1943. Filed as Exhibit 4(ff) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1992 (File No. 1-3004). * (b)(22) Supplemental Indenture No. 1 dated March 15, 1993, to General Mortgage Indenture and Deed of Trust dated as of November 1, 1992. Filed as Exhibit 4(gg) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1992 (File No. 1-3004). * (b)(23) Supplemental Indenture No. 2 dated March 15, 1993, to Mortgage and Deed of Trust dated November 1, 1943. Filed as Exhibit 4(hh) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1992 (File No. 1-3004). * (b)(24) Supplemental Indenture No. 2 dated March 15, 1993, to General Mortgage Indenture and Deed of Trust dated as of November 1, 1992. Filed as Exhibit 4(ii) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1992 (File No. 1-3004). * (b)(25) Supplemental Indenture dated July 15, 1993, to Mortgage and Deed of Trust dated November 1, 1943. Filed as Exhibit 4(jj) to the Quarterly Report on Form 10-Q for the quarter ended June 30, 1993 (File No. 1-3004). * (b)(26) Supplemental Indenture dated July 15, 1993, to General Mortgage Indenture and Deed of Trust dated as of November 1, 1992. Filed as Exhibit 4(kk)to the Quarterly Report on Form 10-Q for the quarter ended June 30, 1993 (File No. 1-3004). * (b)(27) Supplemental Indenture dated August 1, 1993, to Mortgage and Deed of Trust dated November 1, 1943. Filed as Exhibit 4(ll) to the Quarterly Report on Form 10-Q for the quarter ended June 30, 1993 (File No. 1-3004). * (b)(28) Supplemental Indenture dated August 1, 1993, to General Mortgage Indenture and Deed of Trust dated as of November 1, 1992. Filed as Exhibit 4(mm) to the Quarterly Report on Form 10-Q for the quarter ended June 30, 1993 (File No. 1-3004). * (b)(29) Supplemental Indenture dated October 15, 1993, to Mortgage and Deed of Trust dated November 1, 1943. Filed as Exhibit 4(nn) to the Quarterly Report on Form 10-Q for the quarter ended September 30, 1993 (File No. 1-3004). * (b)(30) Supplemental Indenture dated October 15, 1993, to General Mortgage Indenture and Deed of Trust dated as of November 1, 1992. Filed as Exhibit 4(oo) to the Quarterly Report on Form 10-Q for the quarter ended September 30, 1993 (File No. 1-3004). * (b)(31) Supplemental Indenture dated November 1, 1993, to Mortgage and Deed of Trust dated November 1, 1943. Filed as Exhibit 4(pp) to the Quarterly Report on Form 10-Q for the quarter ended September 30, 1993 (File No. 1-3004). * (b)(32) Supplemental Indenture dated November 1, 1993, to General Mortgage Indenture and Deed of Trust dated as of November 1, 1992. Filed as Exhibit 4(qq) to the Quarterly Report on Form 10-Q for the quarter ended September 30, 1993 (File No. 1-3004). * (b)(33) Supplemental Indenture dated February 1, 1994, to Mortgage and Deed of Trust dated November 1, 1943. Filed as Exhibit 4(hh) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1993 (File No. 1-3004). * (b)(34) Indenture dated October 1, 1994 between Illinois Power Company and the First National Bank of Chicago. Filed as Exhibit 4(a) to the Quarterly Report on Form 10-Q for the quarter ended September 30, 1994 (File No. 1-3004). * (b)(35) Supplemental Indenture dated October 1, 1994, to Indenture dated as of October 1, 1994. Filed as Exhibit 4(b) to the Quarterly Report on Form 10-Q for the quarter ended September 30, 1994 (File No. 1-3004). * (b)(36) Indenture dated January 1, 1996 between Illinois Power Company and Wilmington Trust Company. Filed as Exhibit 4(b)(36) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1995 (File No. 1-3004). * (b)(37) First Supplemental Indenture dated January 1, 1996, between Illinois Power Company and Wilmington Trust Company. Filed as Exhibit 4(b)(37) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1995 (File No. 1-3004). * (10) Material Contracts Illinova Corporation (a)(1) Illinova Corporation Deferred Compensation Plan for Certain Directors, as amended April 10, 1991. Filed as Exhibit 10(b) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1991 (File No. 1-3004).~ * (a)(2) Illinova Corporation Director Emeritus Plan for Outside Directors. Filed as Exhibit 10(e) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1989 (File No. 1-3004).~ * (a)(3) Illinova Corporation Stock Plan for Outside Directors as amended and restated by the Board of Directors on April 9, 1992 and as further amended April 14, 1993. Filed as Exhibit 10(h) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1993 (File No. 1-3004).~ * (a)(4) Illinova Corporation Retirement Plan for Outside Directors, as amended through December 11, 1991. Filed as Exhibit 10(j) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1991 (File No. 1-3004).~ * (a)(5) Illinova Corporation 1992 Long-Term Incentive Compensation Plan. Filed as Exhibit 10(k) to the Quarterly Report on Form 10-Q for the quarter ended March 31, 1992 (File No. 1-3004).~ * (a)(6) Illinova Corporation Comprehensive Deferred Stock Plan for Outside Directors, as approved by the Board of Directors on February 7, 1996. Filed as Exhibit 10 (a)(6) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1995 (File No. 1-3004).~ * (a)(7) Form of Employee Retention Agreement in place between Illinova Corporation and its elected officers, Illinois Power Company's elected officers, and the Presidents of Illinova Corporation's subsidiaries. Filed as Exhibit 10(g) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1989 (File no. 1-3004). * Illinois Power Company (b)(1) Group Insurance Benefits for Managerial Employees of Illinois Power Company as amended January 1, 1983. Filed as Exhibit 10(a) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1983 (File No. 1-3004).~ * (b)(2) Illinois Power Company Incentive Savings Trust and Illinois Power Company Incentive Savings Plan and Amendment I thereto. Filed as Exhibit 10(d) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1984 (File No. 1-3004).~ * (b)(3) Illinois Power Company's Executive Incentive Compensation Plan. Filed as Exhibit 10(f) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1989 (File No. 1-3004).~ * (b)(4) Illinois Power Company Incentive Savings Plan, as amended and restated effective January 1, 1991. Filed as Exhibit 10(h) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1990 (File No. 1-3004).~ * (b)(5) Retirement and Consulting Agreement entered into as of June 1, 1991 between Illinois Power Company and Wendell J. Kelley. Filed as Exhibit 10(I) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1991 (File No. 1-3004).~ * (b)(6) Illinois Power Company Executive Deferred Compensation Plan. Filed as Exhibit 10(l) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1993. (File No. 1-3004)~ * (b)(7) Illinois Power Company Retirement Income Plan for salaried employees as amended and restated effective January 1, 1989, as further amended through January 1, 1994. Filed as Exhibit 10(m) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1994 (File No. 1-3004).~ * (b)(8) Illinois Power Company Retirement Income Plan for employees covered under a collective bargaining agreement as amended and restated effective as of January 1, 1994. Filed as Exhibit 10(n)to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1994 (File No. 1-3004).~ * (b)(9) Illinois Power Company Incentive Savings Plan as amended and restated effective January 1, 1991 and as further amended through amendments adopted December 28, 1994. Filed as Exhibit 10(o)to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1994 (File No. 1-3004).~ * (b)(10) Illinois Power Company Incentive Savings Plan for employees covered under a collective bargaining agreement as amended and restated effective January 1, 1991 and as further amended through amendments adopted December 28, 1994. Filed as Exhibit 10(p) to the Annual Report on Form 10-K under the Securities Exchange Act of 1934 for the year ended December 31, 1994 (File No. 1-3004).~ * (12) Statement Re Computation of Ratios (a) Computation of ratio of earnings to fixed charges for Illinova Corporation. 107 (b) Computation of ratio of earnings to fixed charges for Illinois Power Company. 108 (13) Annual Reports to Shareholders (a) Illinova Corporation Proxy Statement and 1996 Annual Report to Shareholders. 109 (b) Illinois Power Company Information Statement and 1996 Annual Report to Shareholders. 157 (21) Subsidiaries of Registrants (a) Subsidiaries of Illinova Corporation and Illinois Power Company. 205 (23) Consents of Experts Consent of Independent Accountants for Illinova Corporation. 207 (27) Financial Data Schedules (a) Illinova Corporation (b) Illinois Power Company ______________________________________ * Incorporated herein by reference. ~ Management contract and compensatory plans or arrangements.