3/27/2007 TYG

Tortoise Energy Infrastructure Corp. Completes $70 Million Auction Rate Senior Notes Offering

OVERLAND PARK, Kan. – March 27, 2007 – Tortoise Energy Infrastructure Corp. (NYSE: TYG) today announced that it has completed an offering of $70 million in Auction Rate Senior Notes, Series D (Tortoise Notes). The Tortoise Notes are rated 'Aaa' from Moody's Investors Service Inc. and 'AAA' from Fitch Ratings, and were issued in denominations of $25,000.

Lehman Brothers Inc. acted as the lead underwriter. Merrill Lynch, Pierce, Fenner & Smith, Incorporated, A.G. Edwards & Sons, Inc., Oppenheimer & Co. Inc., Stifel, Nicolaus & Company, Incorporated and Wachovia Capital Markets, LLC also participated as underwriters for the offering. Tortoise Notes may only be bought or sold through an auction or in a secondary market maintained by certain broker-dealers.

Tortoise Energy Infrastructure intends to use the net proceeds of this offering to retire a portion of its short-term debt under the company's unsecured credit facility, and intends to enter into interest rate risk management contracts in order to hedge its borrowing costs for the Tortoise Notes. Including the issuance of the Tortoise Notes, the total assets of Tortoise Energy Infrastructure are approximately $1.2 billion.

About Tortoise Energy Infrastructure Corp.

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

About Tortoise Capital Advisors, LLC

Tortoise Capital Advisors, LLC, the adviser to Tortoise Energy Infrastructure Corp., is a pioneer in the 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 infrastructure sector. As of Feb. 28, 2007, the adviser had approximately $2.5 billion of energy infrastructure investment assets under management.

Safe Harbor Statement

This press release shall not constitute an offer to sell or a solicitation 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. Investors should consider the investment objective, risks, charges and expenses of the company carefully before investing. For this and other important information, investors should refer to the prospectus supplement and accompanying prospectus, and read them carefully before investing.

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