2011-12-09

Tethys Announces Completion of US$13 Million Private Placement

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The following information is exclusively intended for persons who are not residents of the United States and who are not physically present in the United States. This information does not constitute an offer or a solicitation of an offer to buy, securities of Tethys Petroleum in the United States or in any other jurisdiction in which such offer or solicitation is not authorized or to any person to whom it is unlawful to make such offer or solicitation. Potential users of this information are requested to inform themselves about and to observe any such restrictions.  Tethys Petroleum's securities cannot be offered or sold in the United States without registration under the United States Securities Act of 1933, as amended, or pursuant to an exemption from such registration.  Tethys Petroleum has not registered, and does not intend to register, any of its securities under the Securities Act or to conduct a public offering of securities in the United States.   By proceeding to view the following information, you warrant that you are not located in the United States and you agree that you will not transmit or otherwise send any of the following information to any person in the United States or to publications with a general circulation in the United States.

TETHYS PETROLEUM PRESS RELEASE
FOR IMMEDIATE RELEASE
TETHYS ANNOUNCES COMPLETION OF US$13 MILLION PRIVATE PLACEMENT

GRAND CAYMAN, CAYMAN ISLANDS, Friday, December 9, 2011 ‐ Tethys Petroleum Limited (“Tethys” or the “Company”) (TSX:TPL) (LSE:TPL) today announced that it has completed a previously announced private placement of 26,062,975 Ordinary Shares for gross proceeds of US$13,069,187 million (the “Offering”). Renaissance Capital, FirstEnergy Capital LLP and Quam Capital acted as joint book runners.

The Ordinary Shares were placed at a price of CAD0.52 (GBP0.32) each. The Ordinary Shares of the Company are listed on the Toronto Stock Exchange (“TSX”) and the London Stock Exchange (“LSE”) under the symbol (“TPL”).

The net proceeds of the Offering will be used by Tethys to contribute towards the purchase of an additional 34% of shares in Seven Stars Energy Corporation ('SSEC'), the joint venture that owns the rights to the Bokhtar Production Sharing Contract in Tajikistan, and to carry out additional work on the Beshtentak oilfield in Tajikistan where Tethys has recently been flow testing a recompleted well at rates of over 600 barrels of oil per day. Currently Tethys owns 51% of the shares in SSEC and has an option (the "Option") to acquire a further 34% of SSEC from its partner. In addition, when the Option is exercised, the outstanding loan from Tethys to SSEC will be restructured. Tethys proposes to exercise the Option following completion of the Offering. After the completion of the exercise of the Option, Tethys will own 85% of the shares in SSEC.

Tethys is focused on oil and gas exploration and production activities in Central Asia with activities currently in the Republics of Kazakhstan, Tajikistan and Uzbekistan. This highly prolific oil and gas area is rapidly developing and Tethys believes that significant potential exists in both exploration and in discovered deposits.

This press release does not constitute an offer or a solicitation of an offer to buy, securities of Tethys Petroleum in the United States or to United States persons. The securities have not been and will not be registered under the United States Securities Act of 1933, as amended (the "U.S. Securities Act"), or any state securities laws and may not be offered or sold within the United States or to United States Persons unless registered under the U.S. Securities Act and applicable state securities laws or an exemption from such registration is available.

The Ordinary Shares were offered and sold in certain jurisdictions outside of Canada.

This press release contains "forward-looking information" which may include, but is not limited to, statements with respect to our operations. Such forward-looking statements reflect our current views with respect to future events and are subject to certain risks, uncertainties and assumptions, including the risk that the Offering will not be completed, the risk that regulatory approval for the Offering will not be obtained, the risk that Option will not be exercised and the exercise of the Option will not be completed on the terms contemplated. See our Annual Information Form for the year ended December 31, 2010 for a description of risks and uncertainties relevant to our business, including our exploration activities. The "forward looking statements" contained herein speak only as of the date of this press release and, unless required by applicable law, the Company undertakes no obligation to publicly update or revise such information, whether as a result of new information, future events or otherwise.

For more information please contact:

Tethys Petroleum Limited
Sabin Rossi
Vice President Investor Relations
Office: +1 416 572 2065
+1 416 572 2201 (FAX)
info@tethyspetroleum.com
Web: http://www.tethyspetroleum.com
Mobile site: m.tethyspetroleum.com

In Europe: Tethys Petroleum Limited
Veronica Zhuvaghena
Vice President Corporate Communications
Office: +44 1481 725911
+44 1481 725922 (FAX)

In Asia‐Pacific: Quam IR
Anita Wan
Associate Director
Office phone/fax: +852 2217 2999