January 13 (SeeNews) - Slovenia’s top lender Nova Ljubljanska Banka (NLB) [LJE:NLBR] said on Monday it has mandated four foreign banks to organise a series of fixed-income meetings ahead of a potential issuance of senior preferred notes totalling 500 million euro ($510 million) with four-year maturity and callable after three years, subject to favourable market conditions.