The commitment was conveyed by JBIC Governor Tadashi Maeda in a meeting with an Indonesian delegation led by Luhut Pandjaitan
Brent crude oil futures rose as major producers agreed on a compromise to increase output slightly from January.
OPEC and its allies including Russia, known as OPEC+, are resuming discussions on Thursday to agree on policies for 2021.
This year, BI has cut interest rates five times by a cumulative 125 basis points
Indonesia must make policy changes to ensure it can keep subsidising its ambitious biodiesel program.