PETROL, d.d., Ljubljana seeks to sell its 32.6% stake in Istrabenz d.d. comprises 1,690,305 shares. PETROL calls for bids will be opened till October 30, 2012 and will accept binding offer for at least quarter of shares on sale. PETROL decided for the sale, because Istrabenz is losing its strategic importance for Petrol and will use the proceeds to cover the company's debts or for investments.