Triangle Petroleum Announces Voluntary Delisting from TSX Venture Exchange

   Triangle Petroleum Corporation ("Triangle" or the "Company") (TSX VENTURE: TPO) (NYSE Amex: TPLM) announced today that it has applied to the TSX Venture Exchange ("TSXV") to delist its shares of common stock from the TSXV effective as of April 1, 2011. The Company's common stock is currently trading on the NYSE Amex in the United States under the symbol "TPLM". Holders of the Company's common stock will be able to continue to trade their shares on the NYSE Amex.

About Triangle

Founded in 2006, Triangle Petroleum Corporation is an independent oil and gas exploration company that has acquired, or committed to acquire, approximately 30,000 net acres in the Williston Basin targeting the Bakken Shale and Three Forks Formations and approximately 475,000 gross acres (413,000 net acres) in the Windsor Block of Nova Scotia.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Contacts: Triangle Petroleum Corporation Jonathan Samuels Chief Financial Officer 303-260-7125 [e-mail]