Producer prices in Bulgaria increased by 8.4% year-on-year in September 2025, following a 7.9% rise in the previous month. This marked the eleventh consecutive month of producer inflation, as prices rose sharply in mining and quarrying (22.4% vs 14.4% in August) and manufacturing (11.4% vs 10.2%). On the other hand, costs eased for electricity, gas, steam and air-conditioning supply (10.6% vs 11.9%). On a monthly basis, producer prices fell by 0.4% in September, after a 0.2% decline in the prior month.