The Bulgarian National Bank (BNB) announced that as of 1 September 2008, the base interest rate is 5.23%.

This is the first reduction after August 2007.

The base interest rate (BIR) has added 1.13 pp over the past 12 months.

The year-to-date hike is by 0.55 pp. Compared with August BIR is down by 0.2 pp.