 Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion 1 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.

 Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion 1 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.

 Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.

 Strong past performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with our strengths  Innovation and services provide differentiation, incremental pricing power, and competitive advantage  Strong and proven management team driving growth and performance  Addressable market exceeds $40 billion Page 15 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.

American Electric Power Company, Inc.; and Interface Biologics Inc. Van Hulle(3) 19,757 6,938(5) 26,695 23 Directors and executive officers as a group 829,889 220,459(5) 1,050,348 (1) Except as otherwise stated in the following notes, beneficial ownership of the shares held by each individual consists of sole voting power and sole investment power, or of voting power and investment power that is shared with the spouse or other immediate family member of the individual or with certain trusts. 2) As of December 31, 2017, based upon information contained in an amendment to the Report on Schedule 13G filed with the SEC by The Vanguard Group, Inc., which reported that The Vanguard Group, Inc., together with certain of its affiliates, had sole voting power with respect to 156,839 of these shares, sole dispositive power with respect to 6,918,635 of these shares, shared voting power with respect to 10,249 of these shares and shared dispositive power with respect to 160,223 of these shares.

American Electric Power Company, Inc. and Interface Biologics Inc. McAlindon(2) 22,109 - 22,109 23 Directors and executive officers as a group 1,110,196 271,492(4) 1,381,688 (1) Except as otherwise stated in the following notes, beneficial ownership of the shares held by each individual consists of sole voting power and sole investment power, or of voting power and investment power that is shared with the spouse or other immediate family member of the individual or with certain trusts. 2) As of December 31, 2015, based upon information contained in an amendment to the Report on Schedule 13G filed with the SEC by The Vanguard Group, Inc., which reported that The Vanguard Group, Inc., together with certain of its affiliates, had sole voting power with respect to 194,520 of these shares, shared voting power with respect to 5,000 of these shares, sole dispositive power with respect to 5,837,875 of these shares and shared dispositive power with respect to 194,120 of these shares.

1) Except as otherwise stated in the following notes, beneficial ownership of the shares held by each individual consists of sole voting power and sole investment power, or of voting power and investment power that is shared with the spouse or other immediate family member of the individual or with certain trusts. As of December 31, 2022, BlackRock, Inc. had sole voting power with respect to 10,967,226 of these shares, sole dispositive power with respect to all of these shares, and shared voting and dispositive power with respect to none of these shares As of December 31, 2022, The Vanguard Group had sole voting power with respect to none of these shares, sole dispositive power with respect to 9,914,938 of these shares, shared voting power with respect to 129,594 of these shares and shared dispositive power with respect to 215,952 of these shares

We have the material experience in a broad range of energy applications including solar power, wind power, battery and fuel cells to help customers deliver value and innovation. Wind power is another alternative energy application. In some cases, 1 float generates enough energy to power 375 homes for a year*.

T&D loss percentages for the USA are by state and come from the EPA's "Power Profiler ZIP Code Tool with eGRID2022 Data". For the rest of the world come from the World Bank Table 5.11 "World Development Indicators: Power and communication" (2014 data). DEFRA factors were used to calculate well to tank (WTT) emissions for natural gas, diesel and electric power.

1) Except as otherwise stated in the following notes, beneficial ownership of the shares held by each individual consists of sole voting power and sole investment power, or of voting power and investment power that is shared with the spouse or other immediate family member of the individual or with certain trusts. had sole voting power with respect to 10,982,952 of these shares, sole dispositive power with respect to all of these shares, and shared voting and dispositive power with respect to none of these shares As of December 31, 2023, The Vanguard Group had sole voting power with respect to none of these shares, sole dispositive power with respect to 10,210,283 of these shares, shared voting power with respect to 60,468 of these shares and shared dispositive power with respect to 158,617 of these shares