UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 2, 2012

KINDER MORGAN, INC.

(Exact name of registrant as specified in its charter)

500 Dallas Street, Suite 1000

Houston, Texas 77002

(Address of principal executive offices, including zip code)

713-369-9000

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

On March 2, 2012, Kinder Morgan, Inc. (“Kinder Morgan”) held a special meeting of its stockholders in order to vote upon a proposal (the “share and warrant issuance proposal”) to approve the issuance of shares of Kinder Morgan Class P common stock and warrants to purchase shares of Kinder Morgan Class P common stock to be issued as part of the merger consideration, as well as the issuance of shares of Kinder Morgan Class P common stock to be issued upon exercise of such warrants, in each case, in connection with an Agreement and Plan of Merger, pursuant to which El Paso Corporation will become a wholly owned subsidiary of Kinder Morgan.

As of January 20, 2012, the record date for determining the Kinder Morgan stockholders entitled to vote on the share and warrant issuance proposal presented at the special meeting, there were 170,921,140 shares of Kinder Morgan Class P common stock and 535,972,387 shares of Kinder Morgan Class A common stock entitled to vote at the special meeting. At the special meeting, holders of 21,528,167 shares of Kinder Morgan Class P common stock and holders of 535,925,720 shares of Kinder Morgan Class A common stock entitled to vote were represented in person or by proxy, constituting a quorum.

The Kinder Morgan stockholders approved the share and warrant issuance proposal based on the following results as certified by the inspector of the special meeting:

IMPORTANT ADDITIONAL INFORMATION FILED WITH THE SEC

Kinder Morgan has filed with the SEC a Registration Statement on Form S-4 in connection with the proposed transaction including a definitive Information Statement/Prospectus of Kinder Morgan and a definitive Proxy Statement of El Paso. The Registration Statement was declared effective by the SEC on January 30, 2012. Kinder Morgan and El Paso mailed the definitive Information Statement/Prospectus of Kinder Morgan and definitive Proxy Statement of El Paso on or about January 31, 2012. Post-effective amendments of the Registration Statement were filed February 27, 2012 and March 1, 2012. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE REGISTRATION STATEMENT AND THE DEFINITIVE INFORMATION STATEMENT/PROXY STATEMENT/PROSPECTUS AND ANY OTHER RELEVANT DOCUMENTS FILED OR TO BE FILED BY KINDER MORGAN OR EL PASO BECAUSE THEY CONTAIN IMPORTANT INFORMATION. Investors and security holders are able to obtain free copies of the Registration Statement and the definitive Information Statement/Proxy Statement/Prospectus and other documents filed with the SEC by Kinder Morgan and El Paso through the web site maintained by the SEC at www.sec.gov or by phone, e-mail or written request by contacting the investor relations department of Kinder Morgan or El Paso at the following:

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This communication shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended.

PARTICIPANTS IN THE SOLICITATION

Kinder Morgan and El Paso, and their respective directors and executive officers, may be deemed to be participants in the solicitation of proxies in respect of the proposed transactions contemplated by the Merger Agreement. Information regarding Kinder Morgan’s directors and executive officers is contained in the Information Statement/Proxy Statement/Prospectus which has been filed with the SEC. Information regarding El Paso’s directors and executive officers is contained in El Paso’s Form 10-K for the year ended December 31, 2011, and its proxy statement dated March 29, 2011, which are filed with the SEC. A more complete description is available in the Registration Statement and the Information Statement/Proxy Statement/Prospectus.

SAFE HARBOR FOR FORWARD-LOOKING STATEMENTS

Statements in this document regarding the proposed transaction between Kinder Morgan and El Paso, the expected timetable for completing the proposed transactions, future financial and operating results, benefits and synergies of the proposed transactions, future opportunities for the combined company, the sale of El Paso’s exploration and production assets, the possible drop-down of assets and any other statements about Kinder Morgan or El Paso managements’ future expectations, beliefs, goals, plans or prospects constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Any statements that are not statements of historical fact (including statements containing the words “believes,” “plans,” “anticipates,” “expects,” “estimates” and similar expressions) should also be considered to be forward looking statements. There are a number of important factors that could cause actual results or events to differ materially from those indicated by such forward looking statements, including: the ability to consummate the proposed transaction; the ability to obtain the requisite regulatory, shareholder approvals and the satisfaction of other conditions to consummation of the transaction; the possibility that financing might not be available on the terms agreed to; the ability to consummate contemplated asset sales; the ability of Kinder Morgan to successfully integrate El Paso’s operations and employees; the ability to realize anticipated synergies and cost savings; the potential impact of announcement of the transaction or consummation of the transaction on relationships, including with employees, suppliers, customers and competitors; the ability to achieve revenue growth; national, international, regional and local economic, competitive and regulatory conditions and developments; technological developments; capital and credit markets conditions; inflation rates; interest rates; the political and economic stability of oil producing nations; energy markets, including changes in the price of certain commodities; weather conditions; environmental conditions; business and regulatory or legal decisions; the pace of deregulation of retail natural gas and electricity and certain agricultural products; the timing and success of business development efforts; terrorism; and the other factors described in Kinder Morgan’s and El Paso’s Annual Reports on Form 10-K for the year ended December 31, 2011, and their most recent quarterly reports filed with the SEC. Kinder Morgan and El Paso disclaim any intention or obligation to update any forward-looking statements as a result of developments occurring after the date of this document.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.