Tortoise Capital Advisors, L.L.C., the adviser of TYG, TYY, TYN, TPZ and NTG, announced today the release of 2011 third quarter stockholders' reports for each of these funds. The reports are available online at www.tortoiseadvisors.com. Hard copies of these reports are available free of charge upon request by calling (866) 362-9331 or emailing firstname.lastname@example.org. About Tortoise Capital Advisors, LLC Tortoise Capital Advisors, LLC is an investment manager specializing in listed energy infrastructure investments. As of Sept. 30, 2011 the adviser had approximately $6.4 billion of assets under management in five NYSE-listed closed-end investment companies, an open-end fund and other accounts. For more information, visit 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 these 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.