New Director Appointed

January 18, 2012

GRAND CAYMAN, CAYMAN ISLANDS, Jan 18, 2012 (MARKETWIRE via COMTEX) –Tethys Petroleum Limited (“Tethys” or the “Company”) (TSX: TPL)(LSE: TPL) today announced the appointment of Mr. Julian Hammond to the Board of Directors of Tethys Petroleum Limited. Mr. Hammond has also been appointed as a member of the Executive Board of the Company.

Mr. Hammond joined the Company in 2006 and has served as Chief Commercial Officer and more recently as Deputy Chief Executive Officer. Mr. Hammond will retain these duties in addition to his new responsibilities as a main board Director of the Company.

Dr. David Robson, Chairman, President and Chief Executive Officer of the Company, commented, “I am delighted that Julian has been elected to the Board. He has contributed greatly to the development of the Company’s business, particularly over the last year in his role as Deputy Chief Executive Officer. This is an exciting year for Tethys and I am sure that Julian will use his new responsibilities and authority to further progress the activities of the Company in its projects in Central Asia. This is a just reward for Julian’s hard work and dedication over the past few years and I wish him every success in the future with Tethys.”

Brief Biography:

Mr. Hammond was appointed as the Company’s Vice President in July 2006, Chief Commercial Officer in May 2007 and Deputy Chief Executive Officer in February 2011. From February 1999 until June 2007, Mr. Hammond worked for CanArgo Energy Corporation, an AMEX listed exploration & production company operating in Georgia and other former Soviet Union countries. At CanArgo, as Commercial Manager, he ran their downstream interest at the Georgian-American Oil Refinery and was in charge of establishing the largest chain of gasoline stations in the capital, Tbilisi. He also held positions as Business Development Manager where he was responsible for new projects, and Vice President Investor Relations. Mr. Hammond has also worked in the financial sector, at Credit Suisse First Boston in London, and Montgomery Securities in San Francisco. He was awarded a Bachelor of Arts Degree in Economics from the University of Colorado in May 1992.

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.

Tethys Petroleum Limited
Sabin Rossi, – All Investor Queries
Vice President Investor Relations
Office: +1 416-941-1257
+1 416-947-0167 (FAX)

Europe:
Tethys Petroleum Limited
Veronica Seymour, – All Media Queries
Vice President Corporate Communications
Office: +44 1481 725911
+44 1481 725922 (FAX)

Corporate Brokers:
FirstEnergy Capital LLP.
Hugh Sanderson / David Van Erp +44 207 448 0200
Seymour Pierce Richard Redmayne / Jonathan Wright / Stewart Dickson Office: +44 207 107 8000

Asia Pacific:
Quam IR Anita Wan
Office phone/fax: +852 2217 2999

FTI Consulting – London:
Ben Brewerton / Edward Westropp
Office: +44 207 831 3113

Tethys Petroleum Limited
info@tethyspetroleum.com
www.tethyspetroleum.com
Mobile site: http://m.tethyspetroleum.com

SOURCE: Tethys Petroleum Limited