Main Street Capital Corporation (NYSE: MAIN) has amended its revolving corporate credit facility, increasing total commitments from $1.175 billion to $1.240 billion, according to a press release issued June 30, 2026.

The amended facility includes an accordion feature that allows total commitments to expand to up to $1.860 billion from new and existing lenders under the same terms and conditions. The facility is supported by a group of 18 lenders.

The amendment extends the revolving period through June 2030 and the final maturity date to June 2031. Main Street also retains options to extend both the revolving period and the final maturity date by up to two additional years, subject to certain conditions including lender approval.

Main Street Capital is a Houston-based principal investment firm focused on providing debt and equity capital to lower middle market and private companies.