Delisting of Securities of Gulf Coast Ultra Deep Royalty Trust, Interphase Corporation, PostRock Energy Corporation, and Andatee China Marine Fuel Services Corporation From The Nasdaq Stock Market

NEW YORK, Oct. 22, 2015 (GLOBE NEWSWIRE) — The Nasdaq Stock Market announced today that it will delist the units/beneficial interest of Gulf Coast Ultra Deep Royalty Trust. Gulf Coast Ultra Deep Royalty Trust’s stock was suspended on October 16, 2015 and has not traded on Nasdaq since that time.

Nasdaq also announced that it will delist the common stock of Interphase Corporation. Interphase Corporation’s stock was suspended on October 12, 2015 and has not traded on Nasdaq since that time.

Nasdaq also announced that it will delist the common stock of PostRock Energy Corporation. PostRock Energy Corporation’s stock was suspended on September 10, 2015 and has not traded on Nasdaq since that time.

Finally, Nasdaq announced that it will delist the common stock of Andatee China Marine Fuel Services Corporation. Andatee China Marine Fuel Services Corporation’s stock was suspended on September 02, 2015 and has not traded on Nasdaq since that time.

Nasdaq will file a Form 25 with the Securities and Exchange Commission to complete the delisting for each of these companies. The delistings become effective ten days after the Form 25 is filed. For news and additional information about the companies, including the basis for the delistings and whether the companies’ securities are trading on another venue, please review the companies’ public filings or contact the company directly.

For more information about The Nasdaq Stock Market, visit the Nasdaq Web site at http://www.nasdaq.com. Nasdaq’s rules governing the delisting of securities can be found in the Nasdaq Rule 5800 Series, available on the Nasdaq Web site: http://www.cchwallstreet.com/NASDAQTools/bookmark.asp?id=nasdaq-rule_5800&manual=/nasdaq/main/nasdaq-equityrules/.

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