Consolidated sales dropped 11% to 112.3 million levs through August, Stara Planina Hold said in a note to investors.
In August alone, consolidated sales totalled at 11.2 million levs.
Shares in the blue-chip holding last traded on the Bulgarian Stock Exchange on Monday, ending 4.59% lower at 2.2 levs in a volume of 964.
(1 euro = 1.95583 Bulgarian levs)