Exhibit Designation Nature of Exhibit Previously Filed as Exhibit to: †10(o) AEP Aircraft Timesharing Agreement dated October 1, 2019 between American Electric Power Service Corporation and Nicholas K. Akins. Form 10-Q, Ex 10(2), September 30, 2019 *13 Copy of those portions of the AEP 2019 Annual Report (for the fiscal year ended December 31, 2019) which are incorporated by reference in this filing. *21  List of subsidiaries of AEP. *23  Consent of PricewaterhouseCoopers LLP. *24 Power of Attorney. *31(a) Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. *31(b) Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. *32(a) Certification of Chief Executive Officer Pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code. *32(b) Certification of Chief Financial Officer Pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code. 101.INS XBRL Instance Document. The instance document does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document. 101.SCH  XBRL Taxonomy Extension Schema. 101.CAL  XBRL Taxonomy Extension Calculation Linkbase. 101.DEF  XBRL Taxonomy Extension Definition Linkbase. 101.LAB  XBRL Taxonomy Extension Label Linkbase. 101.PRE  XBRL Taxonomy Extension Presentation Linkbase. 104 Cover Page Interactive Data File. Formatted as inline XBRL and contained in Exhibit 101. AEP TEXAS‡ File No. 333-221643 3(a) Composite of the Restated Certificate of Incorporation, as amended. Registration No. 333-221643, Ex 3(a) 3(b) Bylaws. Registration No. 333-221643, Ex 3(b) 4(a)(1) Indenture, dated as of September 1, 2017, between AEP Texas Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee. Registration No. 333-221643,  Ex 4(a)-1 , 4(a)-2 ; Registration No. 333-228657,  Ex 4(a)-4 , 4(a)-5 ; Registration No. 333-230613,  Ex 4(a)(b) 4(a)(2) Company Order and Officer’s Certificate to The Bank of New York Mellon Trust Company, N.A. December 5, 2019 of 3.45% Senior Notes, Series H due 2050. Form 8-K Ex 4(a) dated December 6, 2019 *13 Copy of those portions of the AEP Texas 2019 Annual Report (for the fiscal year ended December 31, 2019) which are incorporated by reference in this filing. E-3