Fourth Quarter 2023 Net Investment Income of $1.07 Per Share

Fourth Quarter 2023 Distributable Net Investment Income⁽¹⁾ of $1.12 Per Share

Net Asset Value of $29.20 Per Share

HOUSTON, Feb. 22, 2024 /PRNewswire/ -- Main Street Capital Corporation (NYSE:MAIN) ("Main Street") is pleased to announce its financial results for the fourth quarter and full year ended December 31, 2023. Unless otherwise noted or the context otherwise indicates, the terms "we," "us," "our" and the "Company" refer to Main Street and its consolidated subsidiaries.

Fourth Quarter 2023 Highlights

Net investment income of $90.1 million (or $1.07 per share)
Distributable net investment income⁽¹⁾ of $94.8 million (or $1.12 per share)
Total investment income of $129.3 million
An industry leading position in cost efficiency, with a ratio of total non-interest operating expenses as a percentage of quarterly average total assets ("Operating Expenses to Assets Ratio") of 1.3% on an annualized basis
Net increase in net assets resulting from operations of $139.1 million, or $1.65 per share
Return on equity⁽²⁾ of 22.9% on an annualized basis
Net asset value of $29.20 per share at December 31, 2023, representing an increase of $0.87 per share, or 3.1%, compared to $28.33 per share at September 30, 2023
Declared regular monthly dividends totaling $0.72 per share for the first quarter of 2024, or $0.24 per share for each of January, February and March 2024, representing a 6.7% increase from the regular monthly dividends paid in the first quarter of 2023 and a 2.1% increase from the regular monthly dividends paid in the fourth quarter of 2023
Declared and paid a supplemental dividend of $0.275 per share, resulting in total dividends paid in the fourth quarter of 2023 of $0.98 per share and representing a 28.9% increase from the total dividends paid in the fourth quarter of 2022 and a 1.6% increase from the total dividends paid in the third quarter of 2023
Completed $92.3 million in total lower middle market ("LMM") portfolio investments, including investments totaling $68.3 million in two new LMM portfolio companies, which after aggregate repayments of debt principal, return of invested equity capital and a decrease in cost basis due to a realized loss resulted in a net increase of $65.7 million in the total cost basis of the LMM investment portfolio
Completed $160.4 million in total private loan portfolio investments, which after aggregate repayments of debt principal and sales of debt investments and a decrease in cost basis due to a realized loss resulted in a net decrease of $112.5 million in the total cost basis of the private loan investment portfolio
Net decrease of $50.3 million in the cost basis of the middle market investment portfolio from net investment activity
Expanded the total commitments under the SPV Facility (as defined in the Liquidity and Capital Resources section below) from $255.0 million to $430.0 million and added two new lender relationships to the SPV Facility, expanding and diversifying the lender group to six participating lenders

Full Year 2023 Highlights

Net investment income of $339.0 million (or $4.14 per share)
Distributable net investment income⁽¹⁾of $356.8 million (or $4.36 per share)
Total investment income of $500.4 million
An industry leading position in cost efficiency, with an Operating Expenses to Assets Ratio of 1.3%
Net increase in net assets resulting from operations of $428.4 million (or $5.23 per share)
Return on equity⁽²⁾ of 18.8%
Net asset value of $29.20 per share at December 31, 2023, representing an increase of $2.34 per share, or 8.7%, compared to $26.86 per share at December 31, 2022
Paid regular monthly dividends totaling $2.745 per share, representing a 5.8% increase from prior year
Paid supplemental dividends totaling $0.95 per share, a 171.4% increase from 2022, resulting in total dividends paid in 2023 of $3.695 per share, representing a 25.5% increase from prior year and a new record for total dividends paid in a year
Completed $301.3 million in total LMM portfolio investments, including investments totaling $196.5 million in six new LMM portfolio companies, which after aggregate repayments of debt principal, return of invested equity capital and a decrease in cost basis due to realized losses resulted in a net increase of $61.4 million in the total cost basis of the LMM portfolio investments
Completed $506.8 million in total private loan portfolio investments, which after aggregate repayments of debt principal and sales of debt investments, return of invested equity capital and a decrease in cost basis due to realized losses resulted in a net decrease of $46.6 million in the total cost basis of the private loan portfolio investments
Net decrease of $112.8 million in the total cost basis of the middle market portfolio investments, which resulted from the net investment activity and a decrease in cost basis due to realized losses
Further diversified Main Street's capital structure and enhanced liquidity by (i) expanding the total commitments under the Corporate Facility (as defined in the Liquidity and Capital Resources section below) from $920.0 million to $995.0 million, (ii) amending the SPV Facility to increase the total commitments from $255.0 million to $430.0 million and (iii) issuing an additional aggregate principal amount of $50.0 million of the December 2025 Notes (as defined in the Liquidity and Capital Resources section below)

In commenting on the Company's operating results for the fourth quarter and full year 2023, Dwayne L. Hyzak, Main Street's Chief Executive Officer, stated, "We are extremely pleased with our performance in the fourth quarter, which closed another record year for Main Street across several key financial metrics. Our fourth quarter performance resulted in a new quarterly record for net investment income per share, distributable net investment income per share equal to our existing quarterly record that was set earlier this year, a new record for net asset value per share for the sixth consecutive quarter and a return on equity of approximately 23% for the fourth quarter. Our strong performance in the fourth quarter continued our positive performance from the first three quarters of 2023 and resulted in new annual records for net investment income per share and distributable net investment income per share and a return on equity of approximately 19% for the full year. These results demonstrate the continued and sustainable strength of our overall platform, the benefits of our differentiated and diversified investment strategies, the unique contributions of our asset management business and the continued underlying strength and quality of our portfolio companies. We are further pleased to be able to generate these returns while intentionally maintaining a very conservative capital structure and liquidity position during 2023."

Mr. Hyzak continued, "The continued positive momentum across our platform in 2023 allowed us to deliver significantly increased value to our shareholders, with a 25% increase in the total dividends paid to our shareholders in 2023. Despite this significant increase, our distributable net investment income exceeded the total dividends paid to our shareholders by over 13% for the fourth quarter and over 17% for the full year. Based upon the continued strength of our performance in the fourth quarter, we recently declared a $0.30 per share supplemental dividend to be paid in March 2024. This represents our tenth consecutive quarterly supplemental dividend, to go with the seven increases to our regular monthly dividends in the same time period, allowing us to deliver significant value to our shareholders, while continuing to maintain a conservative dividend policy and retaining a portion of our income for the future benefit of our stakeholders. Additionally, with the continued support from our long-term lender relationships, and the benefits of our recent investment grade debt offering in January 2024, we enter 2024 with very strong liquidity and a conservative leverage profile and are excited about the prospects for significant growth in both our lower middle market and private loan investment strategies. We appreciate the hard work and efforts of the management teams and employees at our portfolio companies and continue to be encouraged by the favorable performance of the companies in our diversified lower middle market and private loan investment portfolios and remain confident that these strategies, together with the benefits of our asset management business and our cost efficient operating structure, will allow us to continue to deliver superior results for our shareholders."

Fourth Quarter 2023 Operating Results

The following table provides a summary of our operating results for the fourth quarter of 2023:

	Three Months Ended December 31,
	2023	2022	Change ($)	Change (%)
Interest income	$ 100,690	$ 86,297	$ 14,393	17 %
Dividend income	23,782	22,416	1,366	6 %
Fee income	4,837	5,163	(326)	(6) %
Total investment income	$ 129,309	$ 113,876	$ 15,433	14 %

Net investment income	$ 90,144	$ 75,940	$ 14,204	19 %
Net investment income per share	$ 1.07	$ 0.98	$ 0.09	9 %

Distributable net investment income⁽¹⁾	$ 94,846	$ 80,004	$ 14,842	19 %
Distributable net investment income per share⁽¹⁾	$ 1.12	$ 1.03	$ 0.09	9 %

Net increase in net assets resulting from operations	$ 139,078	$ 106,315	$ 32,763	31 %
Net increase in net assets resulting from operations per share	$ 1.65	$ 1.37	$ 0.28	20 %

The $15.4 million increase in total investment income in the fourth quarter of 2023 from the comparable period of the prior year was principally attributable to (i) a $14.4 million increase in interest income, primarily due to an increase in interest rates on floating rate investment portfolio debt investments primarily resulting from increases in benchmark index rates, partially offset by lower average levels of income producing investment portfolio debt investments and (ii) a $1.4 million increase in dividend income, primarily due to increased dividend income from our LMM portfolio companies, partially offset by a $0.3 million decrease in fee income. The $15.4 million increase in total investment income in the fourth quarter of 2023 included the impact of a net increase of $1.1 million in certain income considered less consistent or non-recurring, including a $2.3 million increase in income from accelerated prepayment, repricing and other activity related to portfolio debt investments, partially offset by a $1.2 million decrease of such dividend income, in both cases when compared to the same period in 2022.

Total cash expenses⁽³⁾ increased $0.6 million, or 1.7%, to $34.5 million in the fourth quarter of 2023 from $33.9 million for the same period in 2022. This increase in total cash expenses was principally attributable to (i) a $1.3 million increase in interest expense, (ii) a $1.3 million increase in cash compensation expenses⁽³⁾ and (iii) a $0.6 million increase in general and administrative expense, partially offset by a $2.6 million increase in expenses allocated to the External Investment Manager. The increase in interest expense is primarily related to an increased weighted average interest rate on our debt obligations resulting from an increased average interest rate on our Credit Facilities due to increases in benchmark index rates and the addition of our SPV Facility and the December 2025 Notes at higher contractual interest rates than debt obligations repaid with such borrowing proceeds, partially offset by decreased average outstanding borrowings. The increase in cash compensation expenses⁽³⁾ is primarily related to (i) increased incentive compensation accruals, (ii) increased base compensation rates and (iii) increased headcount to support our growing investment portfolio and asset management activities.

Non-cash compensation expenses⁽³⁾ increased $0.6 million in the fourth quarter of 2023 from the comparable period of the prior year, primarily driven by a $0.6 million increase in share-based compensation.

Our Operating Expenses to Assets Ratio (which includes non-cash compensation expenses⁽³⁾) was 1.3% for the fourth quarter of 2023, on an annualized basis, as compared to 1.4% for the same period in 2022 and 1.3% for the full year 2023, as compared to 1.4% for the full year 2022.

The $14.2 million increase in net investment income and the $14.8 million increase in distributable net investment income⁽¹⁾ in the fourth quarter of 2023 from the comparable period of the prior year were both principally attributable to the increase in total investment income, partially offset by increased expenses, each as discussed above. Net investment income and distributable net investment income⁽¹⁾ on a per share basis for the fourth quarter of 2023 each increased by $0.09 per share, compared to the fourth quarter of 2022, to $1.07 per share and $1.12 per share, respectively. These increases include the impact of an 8.5% increase in the average shares outstanding compared to the fourth quarter of 2022 primarily due to shares issued since the beginning of the comparable period in prior year through our (i) at-the-market ("ATM") equity issuance program, (ii) dividend reinvestment plan and (iii) equity incentive plans. Net investment income and distributable net investment income⁽¹⁾on a per share basis in the fourth quarter of 2023 included a net increase of $0.01 per share resulting from an increase in investment income considered less consistent or non-recurring in nature compared to the fourth quarter of 2022, as discussed above.

The $139.1 million net increase in net assets resulting from operations in the fourth quarter of 2023 represents a $32.8 million increase from the fourth quarter of 2022. This increase was primarily the result of (i) a $20.8 million increase in net unrealized appreciation from portfolio investments (including the impact of accounting reversals relating to realized gains/income (losses)), (ii) a $14.2 million increase in net investment income as discussed above and (iii) a $6.6 million decrease in income tax provision, partially offset by a $8.8 million increase in net realized loss from investments resulting from a net realized loss of $17.3 million in the fourth quarter of 2023 compared to a net realized loss of $8.5 million in the fourth quarter of 2022. The $17.3 million net realized loss from investments for the fourth quarter of 2023 was primarily the result of a $15.2 million realized loss on the restructure of a private loan investment and a realized loss of $2.4 million on the full exit of a LMM portfolio investment, partially offset by realized gains of $0.3 million on other portfolio investments.

The following table provides a summary of the total net unrealized appreciation of $65.5 million for the fourth quarter of 2023:

	Three Months Ended December 31, 2023
	LMM (a)	Private Loan	Middle Market	Other		Total
			(dollars in millions)
Accounting reversals of net unrealized (appreciation) depreciation recognized in prior periods due to net realized (gains / income) losses recognized during the current period	$ 2.1	$ 12.9	$ —	$ (0.4)		$ 14.6
Net unrealized appreciation (depreciation) relating to portfolio investments	14.5	4.1	2.0	30.3	(b)	$ 50.9
Total net unrealized appreciation (depreciation) relating to portfolio investments	$ 16.6	$ 17.0	$ 2.0	$ 29.9		$ 65.5


(a)	LMM includes unrealized appreciation on 24 LMM portfolio investments and unrealized depreciation on 25 LMM portfolio investments.
(b)	Other includes (i) $27.9 million of unrealized appreciation relating to the External Investment Manager, (ii) $1.8 million of net unrealized appreciation relating to the other portfolio and (iii) $0.4 million of unrealized appreciation relating to Main Street's deferred compensation plan assets.

Liquidity and Capital Resources

As of December 31, 2023, we had aggregate liquidity of $1,125.1 million, including (i) $60.1 million in cash and cash equivalents and (ii) $1,065.0 million of aggregate unused capacity under our corporate revolving credit facility (our "Corporate Facility") and our special purpose vehicle revolving credit facility (our "SPV Facility" and, together with our Corporate Facility, our "Credit Facilities"), which we maintain to support our investment and operating activities.

Several details regarding our capital structure as of December 31, 2023 are as follows:

Our Corporate Facility included $995.0 million in total commitments from a diversified group of 18 participating lenders, plus an accordion feature that allows us to request an increase in the total commitments under the facility to up to $1.4 billion.
$200.0 million in outstanding borrowings under our Corporate Facility, with an interest rate of 7.3% based on SOFR effective for the contractual reset date of January 1, 2024.
Our SPV Facility included $430.0 million in total commitments from a diversified group of six participating lenders, plus an accordion feature that allows us to request an increase in the total commitments under the facility to up to $450.0 million.
$160.0 million in outstanding borrowings under our SPV Facility, with an interest rate of 7.9% based on SOFR effective for the contractual reset date of January 1, 2024.
$500.0 million of notes outstanding that bear interest at a rate of 3.00% per year (the "July 2026 Notes"). The July 2026 Notes mature on July 14, 2026 and may be redeemed in whole or in part at any time at our option subject to certain make-whole provisions.
$450.0 million of notes outstanding that bear interest at a rate of 5.20% per year (the "May 2024 Notes"). The May 2024 Notes mature on May 1, 2024 and may be redeemed in whole or in part at any time at our option subject to certain make-whole provisions.
$350.0 million of outstanding Small Business Investment Company ("SBIC") debentures through our wholly owned SBIC subsidiaries. These debentures, which are guaranteed by the U.S. Small Business Administration, had a weighted-average annual fixed interest rate of 3.00% and mature ten years from original issuance. The first maturity related to our existing SBIC debentures occurs in the first quarter of 2024, and the weighted-average remaining duration was 4.6 years.
$150.0 million of notes outstanding that bear interest at a weighted average rate of 7.74% per year (the "December 2025 Notes"). The December 2025 Notes mature on December 23, 2025 and may be redeemed in whole or in part at any time at our option subject to certain make-whole provisions.
We maintain investment grade debt ratings from each of Fitch Ratings and S&P Global Ratings, both of which have assigned us investment grade corporate and credit ratings of BBB- with a stable outlook.
Our net asset value totaled $2.5 billion, or $29.20 per share.

In January 2024, we issued $350.0 million in aggregate principal amount of 6.95% unsecured notes due March 1, 2029 (the "March 2029 Notes"). The total net proceeds from the offering of the March 2029 Notes, resulting from the public issue price and after underwriting discounts and estimated offering expenses payable, were approximately $346.3 million.

Investment Portfolio Information as of December 31, 2023⁽⁴⁾

The following table provides a summary of the investments in our LMM portfolio, private loan portfolio and middle market portfolio as of December 31, 2023:

	As of December 31, 2023
	LMM (a)	Private Loan	Middle Market
		(dollars in millions)
Number of portfolio companies	80	87	23
Fair value	$ 2,273.0	$ 1,453.5	$ 243.7
Cost	$ 1,782.9	$ 1,470.1	$ 294.4
Debt investments as a % of portfolio (at cost)	72.0 %	94.7 %	91.4 %
Equity investments as a % of portfolio (at cost)	28.0 %	5.3 %	8.6 %
% of debt investments at cost secured by first priority lien	99.2 %	100.0 %	99.1 %
Weighted-average annual effective yield (b)	13.0 %	12.9 %	12.5 %
Average EBITDA (c)	$ 8.2	$ 27.2	$ 64.2


(a)	We had equity ownership in all of our LMM portfolio companies, and our average fully diluted equity ownership in those portfolio companies was 40%.
(b)	The weighted-average annual effective yields were computed using the effective interest rates for all debt investments at cost, including amortization of deferred debt origination fees and accretion of original issue discount but excluding fees payable upon repayment of the debt instruments and any debt investments on non-accrual status.
(c)	The average EBITDA is calculated using a simple average for the LMM portfolio and a weighted-average for the private loan and middle market portfolios. These calculations exclude certain portfolio companies, including two LMM portfolio companies and two private loan portfolio companies, as EBITDA is not a meaningful valuation metric for our investments in these portfolio companies, and those portfolio companies whose primary purpose is to own real estate.

The fair value of our LMM portfolio company equity investments was 201% of the cost of such equity investments, and our LMM portfolio companies had a median net senior debt (senior interest-bearing debt through our debt position less cash and cash equivalents) to EBITDA (Earnings Before Interest, Taxes, Depreciation and Amortization) ratio of 2.6 to 1.0 and a median total EBITDA to senior interest expense ratio of 2.5 to 1.0. Including all debt that is junior in priority to our debt position, these median ratios were 2.7 to 1.0 and 2.5 to 1.0, respectively.^{(4) (5)}

As of December 31, 2023, our investment portfolio also included:

Other portfolio investments in 15 entities, collectively totaling $142.0 million in fair value and $149.1 million in cost basis, which comprised 3.3% and 4.0% of our investment portfolio at fair value and cost, respectively; and
Our investment in the External Investment Manager, with a fair value of $174.1 million and a cost basis of $29.5 million, which comprised 4.1% and 0.8% of our investment portfolio at fair value and cost, respectively.

As of December 31, 2023, non-accrual investments comprised 0.6% of the total investment portfolio at fair value and 2.3% at cost, and our total portfolio investments at fair value were 115% of the related cost basis.

External Investment Manager

MSC Adviser I, LLC is our wholly owned portfolio company and registered investment adviser that provides investment management services to external parties (the "External Investment Manager"). We share employees with the External Investment Manager and allocate costs related to such shared employees and other operating expenses to the External Investment Manager. The total contribution of the External Investment Manager to our net investment income consists of the combination of the expenses we allocate to the External Investment Manager and the dividend income we earn from the External Investment Manager. During the fourth quarter of 2023, the External Investment Manager earned $5.8 million of management fee income, an increase of $0.3 million from the fourth quarter of 2022, and incentive fees of $3.8 million, an increase of $1.4 million from the fourth quarter of 2022. In addition, we allocated $6.0 million of total expenses to the External Investment Manager, an increase of $2.6 million from the fourth quarter of 2022. The increase in management fee income was attributable to an increase in assets under management. The increase in incentive fees was attributable to the favorable performance and improved operating results from the assets managed for clients. The increase in expenses allocated to the External Investment Manager was primarily related to increased overall operating costs at Main Street, an increase in assets under management and the positive operating results from the assets managed for clients. The combination of the dividend income we earned from the External Investment Manager and expenses we allocated to it resulted in a total contribution to our net investment income of $9.2 million, representing an increase of $2.2 million from the fourth quarter of 2022. We completed the initial closing of limited partner commitments for a new private loan fund managed by the External Investment Manager in September 2023 and held our second closing in December 2023 as this new fund continues to execute its fund raising activities. The new fund is exclusively focused on investments in our private loan investment strategy and provides us an additional opportunity for continued growth of the benefits from the External Investment Manager. The External Investment Manager ended the fourth quarter of 2023 with total assets under management of $1.5 billion.

Fourth Quarter and Full Year 2023 Financial Results Conference Call / Webcast

Main Street has scheduled a conference call for Friday, February 23, 2024 at 10:00 a.m. Eastern Time to discuss the fourth quarter and full year 2023 financial results.

You may access the conference call by dialing 412-902-0030 at least 10 minutes prior to the start time. The conference call can also be accessed via a simultaneous webcast by logging into the investor relations section of the Main Street web site at https://www.mainstcapital.com.

A telephonic replay of the conference call will be available through Friday, March 1, 2024 and may be accessed by dialing 201-612-7415 and using the passcode 13743850#. An audio archive of the conference call will also be available on the investor relations section of the company's website at https://www.mainstcapital.com shortly after the call and will be accessible until the date of Main Street's earnings release for the next quarter.

For a more detailed discussion of the financial and other information included in this press release, please refer to the Main Street Annual Report on Form 10-K for the year ended December 31, 2023 to be filed with the Securities and Exchange Commission (www.sec.gov) and Main Street's Fourth Quarter 2023 Investor Presentation to be posted on the investor relations section of the Main Street website at https://www.mainstcapital.com.

ABOUT MAIN STREET CAPITAL CORPORATION

Main Street (www.mainstcapital.com) is a principal investment firm that primarily provides long-term debt and equity capital to lower middle market companies and debt capital to middle market companies. Main Street's portfolio investments are typically made to support management buyouts, recapitalizations, growth financings, refinancings and acquisitions of companies that operate in diverse industry sectors. Main Street seeks to partner with entrepreneurs, business owners and management teams and generally provides "one-stop" financing alternatives within its lower middle market investment strategy. Main Street's lower middle market companies generally have annual revenues between $10 million and $150 million. Main Street's middle market debt investments are made in businesses that are generally larger in size than its lower middle market portfolio companies.

Main Street, through its wholly-owned portfolio company MSC Adviser I, LLC ("MSC Adviser"), also maintains an asset management business through which it manages investments for external parties. MSC Adviser is registered as an investment adviser under the Investment Advisers Act of 1940, as amended.

FORWARD-LOOKING STATEMENTS

Main Street cautions that statements in this press release which are forward–looking and provide other than historical information, including but not limited to Main Street's ability to successfully source and execute on new portfolio investments and deliver future financial performance and results, are based on current conditions and information available to Main Street as of the date hereof and include statements regarding Main Street's goals, beliefs, strategies and future operating results and cash flows. Although its management believes that the expectations reflected in those forward–looking statements are reasonable, Main Street can give no assurance that those expectations will prove to be correct. Those forward-looking statements are made based on various underlying assumptions and are subject to numerous uncertainties and risks, including, without limitation: Main Street's continued effectiveness in raising, investing and managing capital; adverse changes in the economy generally or in the industries in which Main Street's portfolio companies operate; the impacts of macroeconomic factors on Main Street and its portfolio companies' business and operations, liquidity and access to capital, and on the U.S. and global economies, including impacts related to pandemics and other public health crises, risk of recession, inflation, supply chain constraints or disruptions and changes in market index interest rates; changes in laws and regulations or business, political and/or regulatory conditions that may adversely impact Main Street's operations or the operations of its portfolio companies; the operating and financial performance of Main Street's portfolio companies and their access to capital; retention of key investment personnel; competitive factors; and such other factors described under the captions "Cautionary Statement Concerning Forward-Looking Statements" and "Risk Factors" included in Main Street's filings with the Securities and Exchange Commission (www.sec.gov). Main Street undertakes no obligation to update the information contained herein to reflect subsequently occurring events or circumstances, except as required by applicable securities laws and regulations.

MAIN STREET CAPITAL CORPORATION
Consolidated Statements of Operations
(in thousands, except shares and per share amounts)

	Three Months Ended December 31,		Year Ended December 31,
	2023	2022	2023	2022
INVESTMENT INCOME:
Interest, fee and dividend income:
Control investments	$ 51,664	$ 45,215	$ 197,150	$ 155,967
Affiliate investments	16,106	16,662	69,829	54,963
Non–Control/Non–Affiliate investments	61,539	51,999	233,406	165,930
Total investment income	129,309	113,876	500,385	376,860
EXPENSES:
Interest	(24,410)	(23,060)	(102,575)	(78,276)
Compensation	(11,419)	(10,063)	(46,279)	(36,543)
General and administrative	(5,128)	(4,567)	(18,042)	(16,050)
Share–based compensation	(4,169)	(3,598)	(16,520)	(13,629)
Expenses allocated to the External Investment Manager	5,961	3,352	22,050	12,965
Total expenses	(39,165)	(37,936)	(161,366)	(131,533)
NET INVESTMENT INCOME	90,144	75,940	339,019	245,327
NET REALIZED GAIN (LOSS):
Control investments	—	—	(50,532)	(5,822)
Affiliate investments	(2,234)	(4,659)	(18,729)	(3,319)
Non–Control/Non–Affiliate investments	(15,050)	(3,856)	(51,246)	3,929
Total net realized loss	(17,284)	(8,515)	(120,507)	(5,212)
NET UNREALIZED APPRECIATION (DEPRECIATION):
Control investments	39,014	36,064	161,793	56,682
Affiliate investments	6,830	6,611	33,689	10,314
Non–Control/Non–Affiliate investments	19,663	2,063	37,095	(42,180)
Total net unrealized appreciation	65,507	44,738	232,577	24,816
INCOME TAXES:
Federal and state income, excise and other taxes	(1,970)	(1,541)	(6,633)	(5,199)
Deferred taxes	2,681	(4,307)	(16,009)	(18,126)
Income tax benefit (provision)	711	(5,848)	(22,642)	(23,325)
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS	$ 139,078	$ 106,315	$ 428,447	$ 241,606
NET INVESTMENT INCOME PER SHARE—BASIC AND DILUTED	$ 1.07	$ 0.98	$ 4.14	$ 3.29
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS PER SHARE—BASIC AND DILUTED	$ 1.65	$ 1.37	$ 5.23	$ 3.24
WEIGHTED-AVERAGE SHARES OUTSTANDING—BASIC AND DILUTED	84,443,301	77,802,377	81,916,663	74,482,176

MAIN STREET CAPITAL CORPORATION
Consolidated Balance Sheets
(in thousands, except per share amounts)

	December 31,	December 31,
	2023	2022

ASSETS
Investments at fair value:
Control investments	$ 2,006,698	$ 1,703,172
Affiliate investments	615,002	618,359
Non–Control/Non–Affiliate investments	1,664,571	1,780,646
Total investments	4,286,271	4,102,177
Cash and cash equivalents	60,083	49,121
Interest and dividend receivable and other assets	89,337	82,731
Receivable for securities sold	—	381
Deferred financing costs, net	7,879	7,475
Total assets	$ 4,443,570	$ 4,241,885
LIABILITIES
Credit Facilities	$ 360,000	$ 607,000
July 2026 Notes (par: $500,000 as of both December 31, 2023 and December 31, 2022)	498,662	498,136
May 2024 Notes (par: $450,000 as of both December 31, 2023 and December 31, 2022)	450,182	450,727
SBIC debentures (par: $350,000 ($63,800 due within one year) and $350,000 as of December 31, 2023 and December 31, 2022, respectively)	344,535	343,914
December 2025 Notes (par: $150,000 and $100,000 as of December 31, 2023 and December 31, 2022, respectively)	148,965	99,325
Accounts payable and other liabilities	62,576	52,092
Interest payable	17,025	16,580
Dividend payable	20,368	17,676
Deferred tax liability, net	63,858	47,849
Total liabilities	1,966,171	2,133,299

NET ASSETS
Common stock	848	784
Additional paid–in capital	2,270,549	2,030,531
Total undistributed earnings	206,002	77,271
Total net assets	2,477,399	2,108,586
Total liabilities and net assets	$ 4,443,570	$ 4,241,885
NET ASSET VALUE PER SHARE	$ 29.20	$ 26.86

MAIN STREET CAPITAL CORPORATION
Reconciliation of Distributable Net Investment Income,
Total Cash Expenses, Non-Cash Compensation Expenses
and Cash Compensation Expenses
(in thousands, except per share amounts)

	Three Months Ended		Year Ended
	December 31,		December 31,
	2023	2022	2023	2022
Net investment income	$ 90,144	$ 75,940	$ 339,019	$ 245,327
Non-cash compensation expenses⁽³⁾	4,702	4,064	17,769	12,195
Distributable net investment income⁽¹⁾	$ 94,846	$ 80,004	$ 356,788	$ 257,522

Per share amounts:
Net investment income per share -
Basic and diluted	$ 1.07	$ 0.98	$ 4.14	$ 3.29
Distributable net investment income per share -
Basic and diluted⁽¹⁾	$ 1.12	$ 1.03	$ 4.36	$ 3.46

	Three Months Ended		Year Ended
	December 31,		December 31,
	2023	2022	2023	2022
Share–based compensation	$ (4,169)	$ (3,598)	$ (16,520)	$ (13,629)
Deferred compensation (expense) benefit	(533)	(466)	(1,249)	1,434
Total non-cash compensation expenses⁽³⁾	(4,702)	(4,064)	(17,769)	(12,195)

Total expenses	(39,165)	(37,936)	(161,366)	(131,533)
Less non-cash compensation expenses⁽³⁾	4,702	4,064	17,769	12,195
Total cash expenses⁽³⁾	$ (34,463)	$ (33,872)	$ (143,597)	$ (119,338)

Compensation	$ (11,419)	$ (10,063)	$ (46,279)	$ (36,543)
Share-based compensation	(4,169)	(3,598)	(16,520)	(13,629)
Total compensation expenses	(15,588)	(13,661)	(62,799)	(50,172)
Non-cash compensation expenses⁽³⁾	4,702	4,064	17,769	12,195
Total cash compensation expenses⁽³⁾	$ (10,886)	$ (9,597)	$ (45,030)	$ (37,977)

MAIN STREET CAPITAL CORPORATION

Endnotes

(1) Distributable net investment income is net investment income as determined in accordance with U.S. Generally Accepted Accounting Principles, or U.S. GAAP, excluding the impact of non-cash compensation expenses⁽³⁾. Main Street believes presenting distributable net investment income and the related per share amount is useful and appropriate supplemental disclosure for analyzing its financial performance since non-cash compensation expenses⁽³⁾ do not result in a net cash impact to Main Street upon settlement. However, distributable net investment income is a non-U.S. GAAP measure and should not be considered as a replacement for net investment income or other earnings measures presented in accordance with U.S. GAAP and should be reviewed only in connection with such U.S. GAAP measures in analyzing Main Street's financial performance. A reconciliation of net investment income in accordance with U.S. GAAP to distributable net investment income is detailed in the financial tables included with this press release.

(2) Return on equity equals the net increase in net assets resulting from operations divided by the average quarterly total net assets for the three-month and trailing twelve-month periods ended December 31, 2023.

(3) Non-cash compensation expenses consist of (i) share-based compensation and (ii) deferred compensation expense or benefit, both of which are non-cash in nature. Share-based compensation does not require settlement in cash. Deferred compensation expense or benefit does not result in a net cash impact to Main Street upon settlement. The appreciation (depreciation) in the fair value of deferred compensation plan assets is reflected in Main Street's Consolidated Statements of Operations as unrealized appreciation (depreciation) and an increase (decrease) in compensation expenses, respectively. Cash compensation expenses are total compensation expenses as determined in accordance with U.S. GAAP, less non-cash compensation expenses. Total cash expenses are total expenses, as determined in accordance with U.S. GAAP, excluding non-cash compensation expenses. Main Street believes presenting cash compensation expenses, non-cash compensation expenses and total cash expenses is useful and appropriate supplemental disclosure for analyzing its financial performance since non-cash compensation expenses do not result in a net cash impact to Main Street upon settlement. However, cash compensation expenses, non-cash compensation expenses and total cash expenses are non-U.S. GAAP measures and should not be considered as a replacement for compensation expenses, total expenses or other earnings measures presented in accordance with U.S. GAAP and should be reviewed only in connection with such U.S. GAAP measures in analyzing Main Street's financial performance. A reconciliation of compensation expenses and total expenses in accordance with U.S. GAAP to cash compensation expenses, non-cash compensation expenses and total cash expenses is detailed in the financial tables included with this press release.

(4) Portfolio company financial information has not been independently verified by Main Street.

(5) These credit statistics exclude portfolio companies on non-accrual or for which EBITDA is not a meaningful metric.

Contacts:

Main Street Capital Corporation

Dwayne L. Hyzak, CEO, dhyzak@mainstcapital.com

Jesse E. Morris, CFO and COO, jmorris@mainstcapital.com

713-350-6000

Dennard Lascar Investor Relations

Ken Dennard / ken@dennardlascar.com

Zach Vaughan / zvaughan@dennardlascar.com

713-529-6600

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SOURCE Main Street Capital Corporation

MAIN STREET ANNOUNCES 2023 FOURTH QUARTER AND ANNUAL RESULTS