REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM ON FINANCIAL STATEMENT SCHEDULE To the Board of Directors and Member of AEP Transmission Company, LLC Our audits of the consolidated financial statements referred to in our report dated February 21, 2019 appearing in the 2018 Annual Report to the Member of AEP Transmission Company, LLC (which report and consolidated financial statements are incorporated by reference in this Annual Report on Form 10-K) also included an audit of the accompanying schedule of condensed financial information as of December 31, 2018 and 2017 and for each of the two years in the period ended December 31, 2018. In our opinion, this financial statement schedule as of December 31, 2018 and 2017 and for each of the two years in the period ended December 31, 2018 presents fairly, in all material respects, the information set forth therein when read in conjunction with the related consolidated financial statements. The financial statement schedule of the Company for the year ended December 31, 2016 was audited by other auditors whose report, dated April 4, 2017, expressed an unqualified opinion on that financial statement schedule. /s/ PricewaterhouseCoopers LLP Columbus, Ohio February 21, 2019 S-13