LEAWOOD, Kan. – Sept. 25, 2008 – Tortoise Energy Infrastructure Corp. (NYSE: TYG) today announced the pricing of 1.1 million shares of common stock offered at $25.25 per share. Stifel, Nicolaus & Company, Incorporated, Oppenheimer & Co. and RBC Capital Markets served as joint bookrunning managers. The company has granted the underwriters a 30 day option to purchase a maximum of 165,000 additional shares of common stock to cover over-allotments.

The company intends to use the net proceeds to retire a portion of its short-term debt outstanding under its credit facility, to acquire equity portfolio securities in pursuit of its investment objective and policies and for working capital purposes.

The offering is made pursuant to an existing effective shelf registration statement on Form N-2 previously filed with the Securities and Exchange Commission. The offering of these securities will be made only by means of a prospectus. A copy of the prospectus supplement and prospectus relating to the offering may be obtained from:

Stifel, Nicolaus & Company, Incorporated, Attn: Prospectus Department, One South Street, 15th Floor, Baltimore, MD 21202 (443-224-1988);

Oppenheimer & Co., Attn: Prospectus Department, 425 Lexington Ave, 5th floor, New York, New York 10017, Phone (866) 895-5637, Fax (212) 667-6303, ecm@opco.com; or

RBC Capital Markets Corporation, Attention: Prospectus Department, Three World Financial Center, 200 Vesey Street, 8th floor, New York, NY, 10281-8098

About Tortoise Energy Infrastructure Corp.

Tortoise Energy Infrastructure Corp. owns a portfolio of master limited partnership investments in the energy infrastructure sector. Tortoise Energy Infrastructure Corp.'s goal is to provide its stockholders a high level of total return with an emphasis on current dividends.

About Tortoise Capital Advisors

Tortoise Capital Advisors, LLC is a pioneer in capital markets for master limited partnership (MLP) investment companies and a leader in closed-end funds and separately managed accounts focused on MLPs in the energy sector. As of Aug. 31, 2008, the adviser had approximately $2.7 billion of assets under management. For more information, visit our Web site at www.tortoiseadvisors.com.

Safe Harbor Statement

This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of, the securities in any state or jurisdiction in which such offer or solicitation or sale would be unlawful prior to registration or qualification under the laws of such state or jurisdiction.

Forward-Looking Statement

This press release contains certain statements that may include "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements, other than statements of historical fact, included herein are "forward-looking statements." Included among "forward-looking statements" are, among other things, statements about our intended use of proceeds from the offering. Although the company believes that the expectations reflected in these forward-looking statements are reasonable, they do involve assumptions, risks and uncertainties, and these expectations may prove to be incorrect. Actual results could differ materially from those anticipated in these forward-looking statements as a result of a variety of factors, including those discussed in the company's reports that are filed with the Securities and Exchange Commission. You should not place undue reliance on these forward-looking statements, which speak only as of the date of this press release. Other than as required by law, the company does not assume a duty to update these forward-looking statements.

Contact information: Tortoise Capital Advisors, LLC Pam Kearney, Investor Relations, (866) 362-9331, pkearney@tortoiseadvisors.com