Subsidiary Listing The following is a listing of the subsidiaries of each registrant and their state of incorporation or organization indented to show degree of remoteness from registrant. State of Organization Name of Company or Incorporation Cinergy Corp. Delaware The Cincinnati Gas & Electric Company Ohio The Union Light, Heat and Power Company Kentucky Lawrenceburg Gas Company Indiana The West Harrison Gas and Electric Company Indiana Miami Power Corporation Indiana KO Transmission Company Kentucky Tri-State Improvement Company Ohio PSI Energy, Inc. Indiana South Construction Company, Inc. Indiana PSI Energy Argentina, Inc.* Indiana Cinergy Services, Inc. Delaware Cinergy Investments, Inc. Delaware Cinergy-Cadence, Inc. Indiana Cadence Network LLC (33 1/3%) Delaware Cinergy Capital & Trading, Inc. Indiana CinCap IV, LLC Delaware Cinergy Communications, Inc. Delaware Cinergy Engineering, Inc. Ohio Cinergy International, Inc. Indiana Cinergy Global Power, Inc. Delaware Cinergy Global Hydrocarbons Pakistan Cinergy MPI II, Inc. Cayman Islands Cinergy MPI III, Inc. Cayman Islands Cinergy MPI IV, Inc. Cayman Islands Cinergy MPI V, Inc. Cayman Islands Cinergy MPI VI, Inc. Cayman Islands Cinergy MPI VII, Inc. Cayman Islands Cinergy MPI VIII, Inc. Cayman Islands Cinergy MPI IX, Inc. Cayman Islands Cinergy MPI X, Inc. Cayman Islands Cinergy MPI XI, Inc. Cayman Islands Cinergy MPI XII, Inc. Cayman Islands Cinergy MPI XIII, Inc. Cayman Islands Cinergy MPI XIV, Inc. Cayman Islands Cinergy MPI XV, Inc. Cayman Islands MPII (Zambia) B.V. The Netherlands Copperbelt Energy Corporation PLC (39%)* Zambia MPI International Limited England Cinergy Resources, Inc. Delaware Cinergy Solutions, Inc. Delaware (In Illinois d/b/a Cinergy Solutions of Illinois, Inc., In Ohio d/b/a Cinergy Solutions of Ohio, Inc.) Trigen-Cinergy Solutions LLC (50%) Delaware Trigen-Cinergy Solutions of Cincinnati LLC (51%) Ohio Trigen-Cinergy Solutions of Illinois LLC (49%) Delaware Cinergy Supply Network, Inc. Delaware Cinergy Technology, Inc. Indiana Cinergy UK, Inc. Delaware Avon Energy Partners Holdings (50%) England Avon Energy Partners PLC England Midlands Electricity plc England Enertech Associates, Inc. Ohio PSI Argentina, Inc.* Indiana Costanera Power Corp.* Indiana PSI Power Resource Development, Inc. Indiana PSI Sunnyside, Inc. Indiana PSI T&D International, Inc. Indiana PSI Yacyreta, Inc. Indiana *EWG or foreign utility company </TEXT> </DOCUMENT> <DOCUMENT> <TYPE>EX-23 <SEQUENCE>3 <DESCRIPTION>PSI 12/31/97 10K <TEXT> Consent of Independent Public Accountants As independent public accountants, we hereby consent to the incorporation by reference of our report, dated January 27, 1998, included in this Annual Report on Form 10-K for the year ended December 31, 1997, into (i) Cinergy Corp.'s previously filed Registration Statement Nos. 33-55267, 33-55291, 33-55293, 33- 55713, 33-56067, 33-56089, 33-56091, 33-56093, 33-56095 and 333- 17531; (ii) PSI Energy, Inc.'s previously filed Registration Statement Nos. 33-48612, 33-57064 and 333-10899; (iii) The Cincinnati Gas & Electric Company's previously filed Registration Statement Nos. 33-45116, 33-52335 and 33-58967; and (iv) The Union Light, Heat and Power Company's previously filed Registration Statement Nos. 33-40245 and 33-58965. Arthur Andersen LLP Cincinnati, Ohio, March 26, 1998 </TEXT> </DOCUMENT> <DOCUMENT> <TYPE>EX-24 <SEQUENCE>4 <DESCRIPTION>PSI 12/31/97 10-K <TEXT> POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 3rd day of February, 1998. /s/ Neil A. Armstrong Neil A. Armstrong POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of each of Cinergy Corp. and PSI Energy, Inc., the Form 10-K Annual Report of each corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Reports so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 29th day of January, 1998. /s/ James K. Baker James K. Baker POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of each of Cinergy Corp. and PSI Energy, Inc., the Form 10-K Annual Report of each corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Reports so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 23rd day of January, 1998. /s/ Michael G. Browning Michael G. Browning POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 3rd day of February, 1998. /s/ Phillip R. Cox Phillip R. Cox POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 26th day of January, 1998. /s/ Kenneth M. Duberstein Kenneth M. Duberstein POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of The Union Light, Heat and Power Company, the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 27th day of January, 1998. /s/ Cheryl M. Foley Cheryl M. Foley POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of each of The Cincinnati Gas & Electric Company and The Union Light, Heat and Power Company, the Form 10-K Annual Report of each corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Reports so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 23rd day of January, 1998. /s/ William J. Grealis William J. Grealis POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of each of Cinergy Corp. and PSI Energy, Inc., the Form 10-K Annual Report of each corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Reports so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 26th day of January, 1998. /s/ John A. Hillenbrand II John A. Hillenbrand II POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 26th day of January, 1998. /s/ George C. Juilfs George C. Juilfs POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of The Union Light, Heat and Power Company, the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 28th day of January, 1998. /s/ J. Wayne Leonard J. Wayne Leonard POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of PSI Energy, Inc., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 26th day of January, 1998. /s/ John M. Mutz John M. Mutz POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 23rd day of January, 1998. /s/ Melvin Perelman Melvin Perelman POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 23rd day of January, 1998. /s/ Thomas E. Petry Thomas E. Petry POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of each of Cinergy Corp., The Cincinnati Gas & Electric Company, The Union Light, Heat and Power Company, and PSI Energy, Inc., the Form 10-K Annual Report of each corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Reports so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 28th day of January, 1998. /s/ Jackson H. Randolph Jackson H. Randolph POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 27th day of January, 1998. /s/ John J. Schiff, Jr. John J. Schiff, Jr. POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 28th day of January, 1998. /s/ Philip R. Sharp Philip R. Sharp POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of each of Cinergy Corp. and PSI Energy, Inc., the Form 10-K Annual Report of each corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Reports so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 23rd day of January, 1998. /s/ Van P. Smith Van P. Smith POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 26th day of January, 1998. /s/ Dudley S. Taft Dudley S. Taft POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of The Union Light, Heat and Power Company, the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 26th day of January, 1998. /s/ Larry E. Thomas Larry E. Thomas POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of James E. Rogers and Madeleine W. Ludlow, or either of them, the undersigned's true and lawful attorney-in-fact and agent to execute for and on behalf of the undersigned, in the undersigned's capacity as a director of Cinergy Corp., the Form 10-K Annual Report of said corporation for the fiscal year ended December 31, 1997, and to deliver said Form 10-K Annual Report so signed for filing with the Securities and Exchange Commission. The undersigned does hereby ratify and confirm all that said attorneys-in-fact and agents, or either of them, shall lawfully do by virtue hereof. IN WITNESS WHEREOF, the undersigned has hereunto caused this Power of Attorney to be executed on this 3rd day of February, 1998. /s/ Oliver W. Waddell Oliver W. Waddell </TEXT> </DOCUMENT> <DOCUMENT> <TYPE>EX-27 <SEQUENCE>5 <DESCRIPTION>PSI 12/31/97 10-K <TEXT> <ARTICLE> UT <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEETS, CONSOLIDATED STATEMENTS OF INCOME AND CONSOLIDATED STATEMENTS OF CASH FLOWS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <PERIOD-TYPE> 12-MOS <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 2,553,363 <OTHER-PROPERTY-AND-INVEST> 0 <TOTAL-CURRENT-ASSETS> 305,332 <TOTAL-DEFERRED-CHARGES> 409,086 <OTHER-ASSETS> 138,650 <TOTAL-ASSETS> 3,406,431 <COMMON> 539 <CAPITAL-SURPLUS-PAID-IN> 400,893 <RETAINED-EARNINGS> 636,228 <TOTAL-COMMON-STOCKHOLDERS-EQ> 1,037,660 <PREFERRED-MANDATORY> 0 <PREFERRED> 157,196 <LONG-TERM-DEBT-NET> 826,470 <SHORT-TERM-NOTES> 207,035 <LONG-TERM-NOTES-PAYABLE> 0 <COMMERCIAL-PAPER-OBLIGATIONS> 0 <LONG-TERM-DEBT-CURRENT-PORT> 85,000 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 0 <LEASES-CURRENT> 0 <OTHER-ITEMS-CAPITAL-AND-LIAB> 1,093,070 <TOT-CAPITALIZATION-AND-LIAB> 3,406,431 <GROSS-OPERATING-REVENUE> 1,958,469 <INCOME-TAX-EXPENSE> 76,890 <OTHER-OPERATING-EXPENSES> 1,670,877 <TOTAL-OPERATING-EXPENSES> 1,747,767 <OPERATING-INCOME-LOSS> 210,702 <OTHER-INCOME-NET> 5,958 <INCOME-BEFORE-INTEREST-EXPEN> 216,660 <TOTAL-INTEREST-EXPENSE> 84,455 <NET-INCOME> 132,205 <PREFERRED-STOCK-DIVIDENDS> 11,701 <EARNINGS-AVAILABLE-FOR-COMM> 120,504 <COMMON-STOCK-DIVIDENDS> 113,600 <TOTAL-INTEREST-ON-BONDS> 71,638 <CASH-FLOW-OPERATIONS> 332,102 <EPS-PRIMARY> 0.00 <EPS-DILUTED> 0.00