Mediaboss Marketing

GRAND CAYMAN, CAYMAN ISLANDS--(Marketwire -05/15/12)- Tethys Petroleum Limited ("Tethys" or "the Company") (TPL.TO)(TPL.L) today announced its first quarter 2012 financial results. The results are underlined by a 45% increase in revenues over the first quarter of last year.

The Company reports financial results in accordance with International Financial Reporting Standards ("IFRS").

RECENT HIGHLIGHTS

The full Q1 Results together with a Management Discussion & Analysis have been filed with the Canadian securities regulatory authorities. Copies of the filed documents may be obtained via SEDAR at http://www.sedar.com or on Tethys' website at http://www.tethyspetroleum.com. The summary financial statements are attached to this press release.

The above highlights along with other operational and financial details will be further discussed in a scheduled conference call. Details of the conference call can be found below:

Conference Call:

A conference call will be held at 8:00 AM Eastern Standard Time 1:00 PM British Summer Time on Wednesday, May 16, 2012. The North American conference call number is 800-261-3417 and the outside North America conference call number is +1 617-614-3673. The conference call code to use is 26577200 . Please call in about 10 minutes before the starting time in order to be patched into the call.

Webcast:

The call is being webcast and can be accessed at:

http://phoenix.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=213714&eventID=4773558

Excerpt from:
Tethys Petroleum Limited: First Quarter 2012 Financial Results