ALEXANDRA A. HERGER - Corporate Board Profile

TORTOISE ENERGY INFRASTRUCTURE CORP

Filing Date	Source Excerpt
2016-03-30	Retired in 2014; Previously interim vice president of exploration for Marathon Oil and director of international exploration and new ventures for Marathon Oil from 2008 to 2014; Held various positions with Shell Exploration and Production Co. between 2002 and 2008; Member of the Society of Exploration Geophysicists, the American Association of Petroleum Geologists, the Houston Geological Society and the Southeast Asia Petroleum Exploration Society; Member of the 2010 Leadership Texas/Foundation for Women’s Resources since 2010; Director of Panoro Energy ASA, an international independent oil and gas company listed on the Oslo Stock Exchange.
2017-03-31	Retired in 2014; Previously interim vice president of exploration for Marathon Oil and director of international exploration and new ventures for Marathon Oil from 2008 to 2014; Held various positions with Shell Exploration and Production Co. between 2002 and 2008; Member of the Society of Exploration Geophysicists, the American Association of Petroleum Geologists, the Houston Geological Society and the Southeast Asia Petroleum Exploration Society; Member of the 2010 Leadership Texas/Foundation for Women’s Resources since 2010; Director of Panoro Energy ASA, an international independent oil and gas company listed on the Oslo Stock Exchange.
2017-10-31	Alexandra A. Herger - Independent Director
2018-04-02	Retired in 2014; Previously interim vice president of exploration for Marathon Oil and director of international exploration and new ventures for Marathon Oil from 2008 to 2014; Held various positions with Shell Exploration and Production Co. between 2002 and 2008; Member of the Society of Exploration Geophysicists, the American Association of Petroleum Geologists, the Houston Geological Society and the Southeast Asia Petroleum Exploration Society; Member of the 2010 Leadership Texas/Foundation for Women’s Resources since 2010; Director of Panoro Energy ASA, an international independent oil and gas company listed on the Oslo Stock Exchange.
2019-04-03	Retired in 2014; Previously interim vice president of exploration for Marathon Oil and director of international exploration and new ventures for Marathon Oil from 2008 to 2014; Held various positions with Shell Exploration and Production Co. between 2002 and 2008; Member of the Society of Exploration Geophysicists, the American Association of Petroleum Geologists, the Houston Geological Society and the Southeast Asia Petroleum Exploration Society; Member of the 2010 Leadership Texas/Foundation for Women’s Resources since 2010; Director of Panoro Energy ASA, an international independent oil and gas company listed on the Oslo Stock Exchange.
2020-05-12	Retired in 2014; Previously interim vice president of global exploration for Marathon Oil and director of international exploration and new ventures for Marathon Oil; Member of various geological societies.
2021-05-25	Retired in 2014; Previously interim vice president of exploration for Marathon Oil; Director of international exploration and new ventures for Marathon Oil; Member of various geological societies.
2022-06-24	Retired in 2014; Previously interim vice president of exploration for Marathon Oil in 2014 prior to her retirement; Director of international exploration and new ventures for Marathon Oil from 2008 to 2014; Held various positions with Shell Exploration and Production Co. between 2002 and 2008; Member of the Society of Exploration Geophysicists, the American Association of Petroleum Geologists, the Houston Geological Society and the Southeast Asia Petroleum Exploration Society; Member of the 2010 Leadership Texas/Foundation for Women’s Resources since 2010; Director of Panoro Energy ASA, an international independent oil and gas company listed on the Oslo Stock Exchange; Director of Tethys Oil (Stockholm) and member of PGS (Oslo) nomination committee.
2023-05-26	Retired in 2014; Previously interim vice president of exploration for Marathon Oil in 2014... Member of the Society of Exploration Geophysicists, the American Association of Petroleum Geologists.
2024-07-08	Retired in 2014; Previously interim vice president of exploration for Marathon Oil in 2014 prior to her retirement; Director of international exploration and new ventures for Marathon Oil from 2008 to 2014; Held various positions with Shell Exploration and Production Co. between 2002 and 2008; Member of the Society of Exploration Geophysicists, the American Association of Petroleum Geologists, the Houston Geological Society and the Southeast Asia Petroleum Exploration Society; Member of the 2010 Leadership Texas/Foundation for Women’s Resources since 2010; Director of Panoro Energy ASA, an international independent oil and gas company listed on the Oslo Stock Exchange; Director of Tethys Oil (Stockholm) and member of PGS (Oslo) nomination committee.