X0203 3 2011-02-10 0 0001506307 Kinder Morgan Holdco LLC KMI 0001402323 GSCP KMI Investors Offshore, LP 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0001322225 GS CAPITAL PARTNERS V INSTITUTIONAL, L.P. 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0001359613 GS CAPITAL PARTNERS V FUND, L.P. 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0001386577 GS Capital Partners VI Parallel LP 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0001394287 GS Capital Partners VI Fund, L.P. 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0001373057 GS GLOBAL INFRASTRUCTURE PARTNERS I L P 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0001373007 GS INSTITUTIONAL INFRASTRUCTURE PARTNERS I L P 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0001402252 GSCP KMI Investors LP 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0001402322 Goldman Sachs KMI Investors LP 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0001359610 GSCP V OFFSHORE ADVISORS, L.L.C. 200 WEST STREET NEW YORK NY 10282 0 0 1 0 Class A Common Stock, Series A-1 0 Class P Common Stock 143074656 I See footnotes Class A Common Stock, Series A-2 0 Class P Common Stock 35390780 I See footnotes See Exhibit 99.1 for text of footnote (1). See Exhibit 99.1 for text of footnote (2). See Exhibit 99.1 for text of footnote (3). For Powers of Attorney, see Exhibit 24. /s/ Yvette Kosic, Attorney-in-fact, GSCP KMI Investors Offshore, L.P. 2011-02-10 /s/ Yvette Kosic, Attorney-in-fact, GS Capital Partners V Institutional, L.P. 2011-02-10 /s/ Yvette Kosic, Attorney-in-fact, GS Capital Partners V Fund, L.P. 2011-02-10 /s/ Yvette Kosic, Attorney-in-fact, GS Capital Partners VI Parallel, L.P. 2011-02-10 /s/ Yvette Kosic, Attorney-in-fact, GS Capital Partners VI Fund, L.P. 2011-02-10 /s/ Yvette Kosic, Attorney-in-fact, GS Global Infrastructure Partners I, L.P. 2011-02-10 /s/ Yvette Kosic, Attorney-in-fact, GS Institutional Infrastructure Partners I, L.P. 2011-02-10 /s/ Yvette Kosic, Attorney-in-fact, GSCP KMI Investors, L.P. 2011-02-10 /s/ Yvette Kosic, Attorney-in-fact, Goldman Sachs KMI Investors, L.P. 2011-02-10 /s/ Yvette Kosic, Attorney-in-fact, GSCP V Offshore Advisors, L.L.C. 2011-02-10