Main Street Capital (MAIN) investor relations material

Executive summary

• Delivered strong first quarter results with DNII before taxes per share in line with expectations and prior guidance, and DNII of $90.8 million ($1.00 per share); NII was $84.6 million ($0.93 per share) for Q1 2026.

• Significant growth in the lower middle market investment portfolio, with $205.9 million in new and follow-on investments and robust investment activity over the last two quarters.

• Strengthened capital structure and maintained conservative leverage, positioning for continued portfolio growth and strong liquidity.

• Exited a high-performing lower middle market investment (KBK Industries), generating a material realized gain of $17.3 million.

• Declared a supplemental dividend and increased regular monthly dividends for Q3 2026, reflecting strong performance and outlook.

• Completed a $150 million private placement of 6.93% Series A Senior Notes due April 15, 2031, under a Master Note Purchase Agreement.

Financial highlights

• Total investment income for Q1 2026 was $140.1 million, up 2.2% year-over-year but down 3.7% sequentially.

• Interest income rose $7.3 million year-over-year and $2.5 million sequentially, driven by higher income-producing debt investments.

• Dividend income decreased $7.8 million year-over-year and $7.7 million sequentially, mainly due to exits and lower non-recurring dividends.

• Fee income increased $3.6 million year-over-year, with $4.1 million in non-recurring income.

• Operating expenses rose $5 million year-over-year, mainly from higher interest and compensation expenses; total cash expenses increased 9.1% to $46.1 million.

• Net realized gains of $18 million recognized in the quarter, primarily from LMM and private loan exits.

Outlook and guidance

• Expect continued favorable performance in Q2 2026, with DNII before taxes projected at least $1.00 per share.

• Anticipate proposing another significant supplemental dividend payable in September 2026.

• Maintain a positive outlook for lower middle market and private loan investment opportunities, with an improved lending environment and robust pipeline.

• The company’s ability to issue additional debt and make distributions is subject to compliance with covenants and maintenance of required financial ratios.