AEP Transmission Company, LLC Contracts & Agreements

Underwriting Agreement, dated (Filed With SEC on March 13, 2023)

Company Order and Officers Certificate, between the Company and The Bank of New York Mellon Trust Company, N.A., as Trustee, dated (Filed With SEC on March 13, 2023)

AEP System Supplemental Retirement Savings Plan, Amended and Restated as of October 6, 2021 (Non-Qualified) (Filed With SEC on February 23, 2023)

Restricted Stock Unit Agreement furnished to participants of the AEP System Long-Term Incentive Plan as Amended and Restated effective January 1, 2022 (Filed With SEC on February 23, 2023)

AEP Executive Severance Plan Amended and Restated effective February 20, 2023 (Filed With SEC on February 23, 2023)

Severance, Release of All Claims, and Non-competition Agreement between American Electric Power Company, Inc. and Lisa M. Barton (Filed With SEC on February 23, 2023)

Second Amendment to Stock Purchase Agreement dated January 16, 2023 among AEP, AEPTCo and Liberty Utilities Co (Filed With SEC on February 23, 2023)

Underwriting Agreement, dated (Filed With SEC on June 9, 2022)

Company Order and Officers Certificate, between the Company and The Bank of New York Mellon Trust Company, N.A., as Trustee, dated (Filed With SEC on June 9, 2022)

April 7, 2022 Amendment and extension to $1,000,000,000 Credit Agreement dated March 31, 2021 among the Company, Initial Lenders and Wells Fargo Bank National Association as... (Filed With SEC on April 28, 2022)

April 19, 2022 Amendment and extension to $500,000,000 Credit Agreement dated January 19, 2021 among the Company, Initial Lenders and Sumitomo Mitsui Banking Corporation as... (Filed With SEC on April 28, 2022)

Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (Filed With SEC on April 28, 2022)

AEP Stock Unit Accumulation Plan for Non-Employee Directors as amended February 23, 2022 (Filed With SEC on February 24, 2022)

Company Order and Officers Certificate, between the Company and The Bank of New York Mellon Trust Company, N.A., as Trustee, dated (Filed With SEC on August 4, 2021)

Opinion of William E. Johnson regarding the legality of the Notes (Filed With SEC on August 4, 2021)

Underwriting Agreement, dated (Filed With SEC on August 4, 2021)

$4,000,000,000 Credit Agreement dated March 31, 2021 among the Company, Initial Lenders and Wells Fargo Bank National Association as Administrative Agent (Filed With SEC on April 22, 2021)

Description of Securities (Filed With SEC on February 25, 2021)

Credit Agreement dated as of January 19, 2021 among PSO as Borrower, Initial Lenders and Sumitomo Mitsui Banking Corporation as Administrative Agent (Filed With SEC on February 25, 2021)

AEP Executive Severance Plan Amended effective January 4, 2021 (Filed With SEC on February 25, 2021)

AEP Retainer Deferral Plan For Non-Employee Directors As Amended and Restated Effective October 1, 2020 (Filed With SEC on October 22, 2020)

AEP Stock Unit Accumulation Plan For Non-Employee Directors As Amended Effective October 1, 2020 (Filed With SEC on October 22, 2020)

Severance, Stock Award, Release of All Claims and Noncompetition Agreement dated October 21, 2020 between AEPSC and Lana Hillebrand (Filed With SEC on October 22, 2020)

Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (Filed With SEC on October 22, 2020)

Credit Agreement among AEP, initial lenders and PNC Bank, National Association (Filed With SEC on May 6, 2020)

Underwriting Agreement, dated March 30, 2020, between the Company and the Underwriters named in Exhibit 1 thereto, in connection with the sale of the Notes (Filed With SEC on April 1, 2020)

Company Order and Officers Certificate, between the Company and The Bank of New York Mellon Trust Company, N.A., as Trustee, dated April 1, 2020, establishing the terms of the... (Filed With SEC on April 1, 2020)

Underwriting Agreement, dated September 9, 2019 between the Company and the Underwriters named in Exhibit 1 thereto, in connection with the sale of the Notes (Filed With SEC on September 12, 2019)

Company Order and Officers Certificate, between the Company and The Bank of New York Mellon Trust Company, N.A., as Trustee, dated September 11, 2019, establishing the terms of... (Filed With SEC on September 12, 2019)

Underwriting Agreement, dated June 10, 2019 between the Company and the Underwriters named in Exhibit 1 thereto, in connection with the sale of the Notes (Filed With SEC on June 13, 2019)

Company Order and Officers Certificate, between the Company and The Bank of New York Mellon Trust Company, N.A., as Trustee, dated June 12, 2019, establishing the terms of the... (Filed With SEC on June 13, 2019)

Underwriting Agreement, dated September 5, 2018 between the Company and the underwriters named in Exhibit 1 thereto, in connection with the sale of the Notes (Filed With SEC on September 7, 2018)

Company Order and Officers Certificate, between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee, dated September 7, 2018, establishing the terms of the... (Filed With SEC on September 7, 2018)

Company Order and Officers Certificate, between the Company and The Bank of New York Mellon Trust Company, N.A, as Trustee, dated May 10, 2018, establishing the terms of the Notes (Filed With SEC on May 15, 2018)

Form of the Series F Notes (Filed With SEC on May 15, 2018)

Form of the Series I Notes (Filed With SEC on May 15, 2018)

Restricted Stock Unit Agreement furnished to participants of the AEP System AEP-Long Term Incentive Plan, as Amended and Restated (Filed With SEC on April 26, 2018)

Computation of Consolidated Ratio of Earnings to Fixed Charges (Filed With SEC on April 26, 2018)

Form of Company Order and Officers Certificate for the Exchange Notes (Filed With SEC on March 22, 2018)

Form of 2026 Exchange Note (Filed With SEC on March 22, 2018)

Form of 2047 Exchange Note (Filed With SEC on March 22, 2018)

Company Order and Officers Certificate to The Bank of New York Mellon Trust Company, N.A. dated January 11, 2018 of 2.40% Senior Notes, Series C due 2022 and 3.80% Senior Notes,... (Filed With SEC on February 23, 2018)

Company Order and Officers Certificate to The Bank of New York Mellon Trust Company, N.A. dated May 24, 2017 of 3.10% Senior Notes, Series F due 2026 and 4.00% Senior Notes,... (Filed With SEC on February 23, 2018)

Company Order and Officers Certificate to The Bank of New York Mellon Trust Company, N.A. dated September 28, 2017 of 3.10% Senior Notes, Series D due 2026 (Filed With SEC on February 23, 2018)

Company Order and Officers Certificate to The Bank of New York Mellon Trust Company, N.A. dated September 28, 2017 of 3.75% Senior Notes, Series H due 2047 (Filed With SEC on February 23, 2018)

Registration Rights Agreement, dated September 28, 2017 (Filed With SEC on February 23, 2018)

AEP System Senior Officer Annual Incentive Compensation Plan amended and restated as of February 20, 2017 (Filed With SEC on February 23, 2018)

Purchase Agreement, September 25, 2017, between the Company and the Initial Purchasers, as representatives of the several Initial Purchasers named in Exhibit 1 thereto, in... (Filed With SEC on October 3, 2017)

Second Supplemental Indenture between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee, dated September 28, 2017, establishing the terms of the Series H... (Filed With SEC on October 3, 2017)

AEP TRANSMISSION Company, LLC $300,000,000 3.10% Senior Notes, Series D Due 2026 $400,000,000 4.00% Senior Notes, Series E Due 2046 REGISTRATION RIGHTS AGREEMENT (Filed With SEC on April 5, 2017)

AEP TRANSMISSION COMPANY, LLC AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE ____________________ INDENTURE Dated as of November 1, 2016 ____________________... (Filed With SEC on April 5, 2017)

AEP TRANSMISSION COMPANY, LLC4.00% Senior Notes, Series G due 2046CUSIP: ________________Original Issue Date: June __, 2017Stated Maturity:December 1, 2046Interest... (Filed With SEC on April 5, 2017)

Company Order and Officers Certificate 3.10% Senior Notes, Series F, due 2026 4.00% Senior Notes, Series G, due 2046 (Filed With SEC on April 5, 2017)

AEP TRANSMISSION COMPANY, LLC3.10% Senior Notes, Series F due 2026CUSIP: ________________Original Issue Date: June __, 2017Stated Maturity:December 1, 2026Interest... (Filed With SEC on April 5, 2017)

Supplement to Note Purchase Agreement (this Supplement) AEP Transmission Company, LLC 1 Riverside Plaza Columbus, Ohio 43215 U.S.$85,000,000 2.68% Series C, Tranche A Senior Notes... (Filed With SEC on April 5, 2017)

Supplement to Note Purchase Agreement (this Supplement) AEP Transmission Company, LLC 1 Riverside Plaza Columbus, Ohio 43215 (Filed With SEC on April 5, 2017)