SAO PAULO- Brazilian petrochemical company Braskem SA said in a securities filing on Wednesday its information technology systems have been hacked, which affected operations and prompted the company to block its servers as a precaution.

Braskem did not give any further details on the nature or extent of the breach.

(Reporting by Ana Mano Editing by Chizu Nomiyama) ((; Tel: +55-11-5644-7704; Mob: +55-119-4470-4529; Reuters Messaging: