Prominence Energy advised that Western Gas has provided the following operational update on the drilling of the Sasanof-1 exploration well, located in exploration permit WA-519-P, in Commonwealth waters approximately 207km northwest of Onslow Western Australia . Highlights: The Sasanof-1 exploration well has been drilled to a total depth of 2390 m RMDT by the Valaris MS-1 rig without incident; No commercial hydrocarbons were intersected; As planned, the well will now be plugged and permanently abandoned; De-mobilisation activities will then commence.