Pakistan State Oil Company Limited (KASE:PSO) intends to acquire shareholding in Pakistan Refinery Ltd. (KASE:PRL) from Chevron Pakistan Limited using its first right, according to reports. Chevron has previously announced that it intends to sell its 12% stake in PRL. Attock Refinery Limited (KASE:ATRL) has also announced that it will participate in the bidding process. "We will use our first right to acquire Chevron's share in PRL," a PSO official said. He said that PSO already held 18% shares in PRL and wanted to increase its shareholding to 30%. Shell International Petroleum Co. Ltd. once planned to sell its stake in 2010 but no Shell no longer plans to sell its stake and has shelved any intentions to divest its holding in PRL "We have no intention to sell our holding in PRL," a Shell spokesman said, adding that Chevron's decision to sell its shares in PRL had nothing to do with Shell and was the former's decision alone. "PSO wants to secure supply of fuel by enhancing its shares in PRL," a PSO official said.