Exports decreased by 12.8% year-on-year, to 1.180 billion marka, while imports rose 4.1% to 1.685 billion marka, the Serb Republic's Institute of Statistics said in a monthly report.
The Serb Republic's main export destinations in the period under review were Croatia and Serbia, absorbing 16.9% and 14.8% respectively of the entity's total exports.
The largest importers into the entity were Serbia and Italy, with shares of 15.5% and 15.3% of all imports, respectively.
The Serb Republic is one of two autonomous entities that form Bosnia and Herzegovina. The other entity is the Federation.
(1 euro = 1.955 marka)