By Iulian Ernst in Bucharest Power and gas utility group Premier Energy announced that the Romanian Financial Supervisory Authority (ASF) approved its planned Bucharest Stock Exchange (BVB) IPO that thus kicks off on May 8. The IPO will last for a week and aims to bring over €135mn to the company and its owner. Premier Energy’s owner EMMA Alpha Holding (EMMA Holding) values the company’s 100mn shares (before the IPO) at €405mn, or €4.05 (around RON20) per share – 5.12 times the €79mn net profit reported last year, according to the IPO prospectus. It is ready to cede a stake of 29-32.5% to reta…