OVERLAND PARK, Kan. – August 4, 2006 — The Board of Directors of Tortoise Energy Infrastructure Corp. (NYSE: TYG) today declared the company's third quarter 2006 dividend of $0.51 per share, compared to $0.50 in the previous quarter and $0.45 in the same quarter of the prior year. The dividend will be distributed on September 1, 2006 to stockholders of record on August 22, 2006. This represents a 13 percent increase over the same quarter of the prior year, and a 2 percent increase over the distribution for the prior quarter.

Based on current company financial information, this dividend is estimated to consist of 100 percent return of capital for book purposes. This is subject to change based upon completion of the company's fiscal year ending November 30. For tax purposes, the character of the dividend will be determined at year-end and will be reported to stockholders at the beginning of 2007 on their Form 1099.

About Tortoise Energy Infrastructure Corp.

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

About Tortoise Capital Advisors

Tortoise Capital Advisors, LLC, the adviser to Tortoise Energy Infrastructure Corp., 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 infrastructure sector. To date, the adviser has approximately $1.8 billion of energy infrastructure investment 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 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.

Contact information:

Tortoise Capital Advisors, LLC
Pam Kearney, Investor Relations, (913) 322-5839, pkearney@tortoiseadvisors.com