Grigoriu did not name the lender.
The company expects sales of EUR32 million this year, up 14% from EUR28 million in 2012, and net profit of EUR0.5 million.
Pambac has recently downsized its staff by 10% to 490 employees.
Grigoriu has been running Pambac since the beginning of the year after chemical fertilizer wholesaler Comfert, which he owns, and grain trader Popasul Trebes took over the bread producer following a deal estimated at EUR10 million.