December 30 (SeeNews) - Slovenia's Nova Ljubljanska Banka (NLB) [LJE:NLBR] has completed the acquisition of an 83.23% ordinary shareholding in Serbian blue-chip lender Komercijalna Banka [BEL:KMBN] for 394.7 million euro ($485 million), thus becoming the third largest banking group in Serbia, NLB said on Wednesday.