SAO PAULO- Brazilian antitrust body CADE approved the sale of refinery RLAM to the UAE's investor Mubadala Investment Company, according to a notice in the official gazette.

The deal was announced in March for $1.65 billion. RLAM is the first of eight Petrobras refineries on the block to be sold.

(Reporting by Luciano Costa) ((tatiana.bautzer@tr.com; Tel: +55-11-5644-7756; Mob: +55-119-4210-4173; Reuters Messaging: tatiana.bautzer.thomsonreuters.com@reuters.net))