OREANDA-NEWS. April 26, 2011. Tethys Petroleum Limited ("Tethys" or the "Company" (TSX: TPL) provided an operational update on its activities in Kazakhstan, reported the press-centre of KASE.            

HIGHLIGHTS:

- Exploration well AKD03 well tests commercial oil in secondary target.                                                            

- Sandstone unit in Upper Jurassic opens up a new play within the Greater Doris area.                                                        

- Doris appraisal wells AKD04 and AKD05 progressing as planned with AKD04 expected to reach total depth by early May 2011 and AKD05 by the end of May 2011. These are the first wells to be drilled based on the new 3D seismic dataset.

- Kul-Bas exploration well KBD01 to reach total depth in June/July 2011.

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The full version of this press-release is available on the KASE website, at                            
http://www.kase.kz/files/emitters/GG_TPL_/gg_tpl_reliz_180411.pdf