BRASILIA, May 28 (Reuters) - Brazil's central government posted a primary budget surplus of 10.085 billion reais ($3.18 billion) in April, the treasury said on Thursday.
The central government account, which covers federal ministries, the central bank and social security, posted a primary surplus of 1.464 billion reais in March.
Brazil had a primary surplus of 16.612 billion reais in April of 2014.
The central bank will release the consolidated primary balance, which includes states and municipalities, on Friday. ($1 = 3.1685 Brazilian reais) (Reporting by Luciana Otoni; Writing by Alonso Soto; Editing by Grant McCool)