Borders & Southern Petroleum plc announced that it has appointed Dr. W. Sean Guest as a non-executive director with immediate effect. Dr. Guest is currently President and Chief Executive Officer of Valeura Energy Inc. He has been working internationally in the oil and gas industry for more than 35 years. Prior to joining Valeura, he was the CEO of two private junior companies and has held roles in Woodside, Shell and Schlumberger.

Dr. Guest holds a BSc in Geological Engineering from Queen's University and a PhD in Geological Sciences. William Sean Guest, aged 62, currently holds or has held the following directorships in the past five years: Current: Valeura Energy Inc; Valeura Energy Asia Pte. Ltd; Valeura Energy (Thailand) Holdings Ltd; Busrakham Oil (Thailand) Ltd; Jasmine Venture Limited; Busrakham Manora Ltd; Busrakham G11 Ltd; Busrakham Nong Yao Ltd; Busrakham Jasmine Ltd; Valeura Energy (Thailand) Ltd; VE Varuna Ltd; Valeura Holdings Ltd; Northern Hunter Energy Inc; Valeura (BVI) Holdings Ltd; Valeura Energy Marine B.V. Previous 5 years: Valeura Energy (Gulf of Thailand) Ltd; Valeura Energy Netherlands BV.