WARSAW--Poland's Bank Millennium SA (MIL.WA), a unit of Banco Comercial Portugues SA (BCP.LB), said Tuesday its second-quarter net profit fell 3.6% on the year due to higher writedowns for bad loans, as the economic slowdown in the central European country starts to bite.

MAIN FACTS:

-- Millennium's second-quarter net profit fell to 111.1 million zlotys ($32.11 million) from PLN115.3 million.

-- The bank's net interest income rose 1.9% on the year to PLN293.3 million.

-- Net fee and commission income rose 1% to PLN146.1 million.

-- Provisioning for non-performing loans jumped 67% to PLN73.8 million.

Write to Marynia Kruk at marynia.kruk@dowjones.com

Subscribe to WSJ: http://online.wsj.com?mod=djnwires