Exhibit 99(a) MAGELLAN PETROLEUM CORPORATION MARABOU 1 WELL PLUGGED AND ABANDONED MADISON, Conn., January 9, 2002 -- Magellan Petroleum Corporation (NASDAQ: MPET; Boston & Pacific: MPC) today reported that Marabou-1 well in Permit WA-281-P in the Browse Basin offshore Western Australia is being plugged and abandoned having reached a total depth of 12,306 feet. WA-281-P Joint Venture Participants: Santos Offshore Pty Ltd (Operator) 27.5% Coastal Oil & Gas Australia 283 Pty Ltd 27.5% Petroz NL 20.0% Magellan Petroleum (WA) Pty Ltd 17.5% Beach Petroleum NL 7.5% Magellan Petroleum (WA) Pty Ltd is a wholly subsidiary of Magellan Petroleum Australia Limited in which Magellan Petroleum Corporation holds a 51% interest. Magellan Petroleum Corporation said that the abandonment of the well would result in a pre-tax charge to earnings in the Company's second quarter ending December 31, 2001 of approximately U.S.$2 million. Statements in this release that are not historical in nature are intended to be -- and are hereby identified as -- "forward-looking statements" for purposes of the "Safe Harbor Statement" under the Private Securities Litigation Reform Act of 1995. Forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from those indicated in the forward-looking statements. Contact: James R. Joyce, at (203) 245-7664