LEASE SUPPLEMENT NO. 1 LEASE SUPPLEMENT NO. 1 (I&M Trust 4) dated as of October 15, 1990, to Lease Agreement (I&M Trust 4) dated as of December 1, 1989 (the "Original Lease"), between WILMINGTON TRUST COMPANY, a Delaware banking corporation, not in its individual capacity but solely as Owner Trustee under the Amended and Restated Trust Agreement (I&M Trust 4) dated as of December 1, 1989 with Natwest Leasing Corporation, a New York corporation, as Lessor, and INDIANA MICHIGAN POWER COMPANY, an Indiana corporation, as Lessee. WHEREAS, the Original Lease was recorded in the Office of the Recorder of Spencer County, Indiana, on the 7th day of December, 1989, as Instrument No. 89-4192 in Book No. 57, Page No. 283; WHEREAS, the Original Lease provides that in the event any of the Pricing Assumptions proves to have been incorrect or any Refunding Notes are issued, then in such cases (a) the percentages for Basic Rent, Stipulated Loss Value and Termination Value set forth, respectively, in Schedules 1, 2 and 3 to the Original Lease shall be adjusted so as to preserve the Owner Participant's Initial Theoretical Return, and (b) the Lessor and the Lessee shall execute a supplement to the Original Lease amending Schedules 1, 2 and 3 thereof to set forth such recalculated percentages for Basic Rent, Stipulated Loss Value and Termination Value, respectively; and WHEREAS, Transaction Expenses paid by the Owner Trustee with funds provided by the Owner Participant are other than as set forth in the original Pricing Assumptions, and Refunding Notes were issued on February 8, 1990, and on June 20, 1990, to refund the Initial Series A Notes; NOW, THEREFORE, in consideration of the premises and other good and sufficient consideration, the Lessor and the Lessee hereby agree as follows: 1. Capitalized terms used in this Lease Supplement and not defined herein shall have the respective meanings assigned to them in the Original Lease. 2. The percentages for Basic Rent set forth in Schedule 1 hereto, the Stipulated Loss Value percentages set forth in Schedule 2 hereto and the Termination Value percentages set forth in Schedule 3 hereto shall replace any prior Schedules 1, 2 and 3 of the Original Lease, respectively, for all purposes. 3. This Lease Supplement may be executed by the parties hereto in separate counterparts, each of which when so executed and delivered shall be an original, but all such counterparts shall together constitute but one and the same instrument. 4. THIS LEASE SUPPLEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAW OF THE STATE OF NEW YORK EXCEPT AS TO MATTERS RELATING TO THE CREATION OF LEASEHOLD AND SUBLEASEHOLD ESTATES HEREUNDER AND THE EXERCISE OF RIGHTS AND REMEDIES WITH RESPECT TO SUCH LEASEHOLD AND SUBLEASEHOLD ESTATES, WHICH SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAW OF THE STATE OF INDIANA. 5. The Owner Participant hereby authorizes and directs the Owner Trustee, pursuant to Section 5.02 of the Trust Agreement, to execute and deliver this Lease Supplement, perform the terms of the Original Lease, as amended by this Lease Supplement, and to execute and deliver Amendment No. 1 to Form U- 7D which is in a form approved by the Owner Participant. 6. This Lease Supplement may be executed in any number of counterparts and by each of the parties hereto in separate counterparts, all such counterparts together constituting but one and the same instrument. IN WITNESS WHEREOF, the Lessor and Lessee have caused this Lease Supplement to be duly executed as of the date and year set forth in the opening paragraph hereof. Lessor WILMINGTON TRUST COMPANY not in its individual capacity but solely as Owner Trustee [CORPORATE SEAL] Attest: /s/ Emmett R. Harmon By: /s/ James P. Lawler Name: Emmett R. Harmon Name: James P. Lawler Title: Vice President Title: Financial Services Officer Lessee INDIANA MICHIGAN POWER COMPANY [CORPORATE SEAL] Attest: /s/ Jeffrey D. Cross By: /s/ G. P. Maloney Name: Jeffrey D. Cross Name: G.P. Maloney Title: Asst. Secretary Title: Vice President Consented and agreed to NATWEST LEASING CORPORATION By: /s/ J. Michael Sutka Name: J. Michael Sutka Title: Vice President STATE OF DELAWARE ) COUNTY OF NEW CASTLE) SS.: On this, the 30th day of October, 1990, before me, a Notary Public in and for said County and State, personally appeared James P. Lawler and Emmett R. Harmon, the Financial Services Officer and Vice President of WILMINGTON TRUST COMPANY, who acknowledged themselves to be duly authorized officers of WILMINGTON TRUST COMPANY, and that, as such officers, being authorized to do so, they executed the foregoing instrument for the purposes therein contained by signing and attesting the name of WILMINGTON TRUST COMPANY. /s/ Sonja F. Allen Name: Sonja F. Allen Notary Public My Commission Expires: 5-30-92 Residing in New Castle County STATE OF OHIO ) COUNTY OF FRANKLIN ) SS.: On this, the 26th day of October, 1990, before me, a Notary Public in and for said County and State, personally appeared G.P. Maloney and Jeffrey D. Cross, the Vice President and Assistant Secretary of INDIANA MICHIGAN POWER COMPANY, who acknowledged themselves to be duly authorized officers of INDIANA MICHIGAN POWER COMPANY, and that, as such officers, being authorized to do so, they executed the foregoing instrument for the purposes therein contained by signing and attesting the name of INDIANA MICHIGAN POWER COMPANY. /s/ Mary M. Soltesz Name: MARY M. SOLTESZ Notary Public My Commission Expires: 7-13-94 Residing in Franklin County STATE OF NEW YORK ) COUNTY OF NEW YORK ) SS.: On this, the 30th day of October, 1990, before me, a Notary Public in and for said County and State, personally appeared J. Michael Sutka, the Vice President of NATWEST LEASING CORPORATION, who acknowledged himself to be a duly authorized officer of NATWEST LEASING CORPORATION, and that, as such officer, being authorized to do so, he executed the foregoing instrument for the purposes therein contained by signing the name of NATWEST LEASING CORPORATION. /s/ Barbara N. Herlihy Name: Barbara N. Herlihy Notary Public My Commission Expires: 4-30-91 Residing in Bronx County This instrument was prepared by James M. Cotter, 425 Lexington Avenue, New York, New York 10017-3939. Schedule 1 [NATWEST] BASIC RENT PERCENTAGES Basic Rent Payment Date Basic Rent Percentage December 7, 1990 4.341477991% June 7, 1991 4.341477991 December 7, 1991 4.341477991 June 7, 1992 4.341477991 December 7, 1992 4.341477991 June 7, 1993 4.341477991 December 7, 1993 4.341477991 June 7, 1994 4.341477991 December 7, 1994 4.341477991 June 7, 1995 4.341477991 December 7, 1995 4.341477991 June 7, 1996 4.341477991 December 7, 1996 4.341477991 June 7, 1997 4.341477991 December 7, 1997 4.341477991 June 7, 1998 4.341477991 December 7, 1998 4.341477991 June 7, 1999 4.341477991 December 7, 1999 4.341477991 June 7, 2000 4.341477991 December 7, 2000 4.341477991 June 7, 2001 4.341477991 December 7, 2001 4.341477991 June 7, 2002 4.341477991 December 7, 2002 4.341477991 June 7, 2003 4.341477991 December 7, 2003 4.341477991 June 7, 2004 4.341477991 December 7, 2004 4.341477991 June 7, 2005 4.341477991 December 7, 2005 4.341477991 June 7, 2006 4.341477991 December 7, 2006 4.341477991 June 7, 2007 4.341477991 December 7, 2007 4.341477991 June 7, 2008 4.341477991 December 7, 2008 4.341477991 June 7, 2009 4.341477991 December 7, 2009 4.341477991 June 7, 2010 4.341477991 December 7, 2010 4.341477991 June 7, 2011 4.341477991 December 7, 2011 4.341477991 June 7, 2012 4.341477991 December 7, 2012 4.341477991 June 7, 2013 4.341477991 December 7, 2013 4.341477991 June 7, 2014 4.341477991 December 7, 2014 4.341477991 June 7, 2015 4.341477991 December 7, 2015 4.341477991 June 7, 2016 4.341477991 December 7, 2016 4.341477991 June 7, 2017 4.341477991 December 7, 2017 4.341477991 June 7, 2018 4.341477991 December 7, 2018 4.341477991 June 7, 2019 4.341477991 December 7, 2019 4.341477991 June 7, 2020 4.341477991 December 7, 2020 4.341477991 June 7, 2021 4.341477991 December 7, 2021 4.341477991 June 7, 2022 4.341477991 December 7, 2022 4.341477991 Schedule 2 [NATWEST] STIPULATED LOSS VALUE PERCENTAGES Stipulated Loss Basic Rent Payment Date Value Percentage December 7, 1990 104.992947787% June 7, 1991 106.116986364 December 7, 1991 107.138870797 June 7, 1992 108.073138015 December 7, 1992 108.913930222 June 7, 1993 109.674889794 December 7, 1993 110.352338362 June 7, 1994 110.954438525 December 7, 1994 111.469066679 June 7, 1995 111.907311735 December 7, 1995 112.267445691 June 7, 1996 112.556146950 December 7, 1996 112.763475835 June 7, 1997 112.894684307 December 7, 1997 112.939960273 June 7, 1998 112.903721413 December 7, 1998 112.775471905 June 7, 1999 112.559106184 December 7, 1999 112.244164507 June 7, 2000 111.834066695 December 7, 2000 111.318404024 June 7, 2001 110.700087241 December 7, 2001 109.968776014 June 7, 2002 109.126835169 December 7, 2002 108.174655844 June 7, 2003 107.167267008 December 7, 2003 106.111143822 June 7, 2004 105.003936152 December 7, 2004 103.843180934 June 7, 2005 102.626296430 December 7, 2005 101.349597236 June 7, 2006 100.010152440 December 7, 2006 98.604887901 June 7, 2007 97.134569244 December 7, 2007 95.613952030 June 7, 2008 94.040320425 December 7, 2008 92.414834814 June 7, 2009 90.732356311 December 7, 2009 88.994653656 June 7, 2010 87.196662924 December 7, 2010 85.341343879 June 7, 2011 83.423424993 December 7, 2011 81.445030900 June 7, 2012 79.403070102 December 7, 2012 77.306801837 June 7, 2013 75.149585307 December 7, 2013 72.935143910 June 7, 2014 70.656434550 December 7, 2014 68.317328876 June 7, 2015 65.910372028 December 7, 2015 63.439658478 June 7, 2016 60.897310872 December 7, 2016 58.287659041 June 7, 2017 55.602381903 December 7, 2017 52.847865693 June 7, 2018 50.039541848 December 7, 2018 47.220688488 June 7, 2019 44.385032698 December 7, 2019 41.551503300 June 7, 2020 38.714139592 December 7, 2020 35.894501732 June 7, 2021 33.086743220 December 7, 2021 30.315554365 June 7, 2022 27.656260316 December 7, 2022 25.000000000 Schedule 3 [NATWEST] TERMINATION VALUE PERCENTAGES Termination Basic Rent Payment Date Value Percentage December 7, 1990 104.992947787% June 7, 1991 106.116986364 December 7, 1991 107.138870797 June 7, 1992 108.073138015 December 7, 1992 108.913930222 June 7, 1993 109.674889794 December 7, 1993 110.352338362 June 7, 1994 110.954438525 December 7, 1994 111.469066679 June 7, 1995 111.907311735 December 7, 1995 112.267445691 June 7, 1996 112.556146950 December 7, 1996 112.763475835 June 7, 1997 112.894684307 December 7, 1997 112.939960273 June 7, 1998 112.903721413 December 7, 1998 112.775471905 June 7, 1999 112.559106184 December 7, 1999 112.244164507 June 7, 2000 111.834066695 December 7, 2000 111.318404024 June 7, 2001 110.700087241 December 7, 2001 109.968776014 June 7, 2002 109.126835169 December 7, 2002 108.174655844 June 7, 2003 107.167267008 December 7, 2003 106.111143822 June 7, 2004 105.003936152 December 7, 2004 103.843180934 June 7, 2005 102.626296430 December 7, 2005 101.349597236 June 7, 2006 100.010152440 December 7, 2006 98.604887901 June 7, 2007 97.134569244 December 7, 2007 95.613952030 June 7, 2008 94.040320425 December 7, 2008 92.414834814 June 7, 2009 90.732356311 December 7, 2009 88.994653656 June 7, 2010 87.196662924 December 7, 2010 85.341343879 June 7, 2011 83.423424993 December 7, 2011 81.445030900 June 7, 2012 79.403070102 December 7, 2012 77.306801837 June 7, 2013 75.149585307 December 7, 2013 72.935143910 June 7, 2014 70.656434550 December 7, 2014 68.317328876 June 7, 2015 65.910372028 December 7, 2015 63.439658478 June 7, 2016 60.897310872 December 7, 2016 58.287659041 June 7, 2017 55.602381903 December 7, 2017 52.847865693 June 7, 2018 50.039541848 December 7, 2018 47.220688488 June 7, 2019 44.385032698 December 7, 2019 41.551503300 June 7, 2020 38.714139592 December 7, 2020 35.894501732 June 7, 2021 33.086743220 December 7, 2021 30.315554365 June 7, 2022 27.656260316 December 7, 2022 25.000000000