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MSC INCOME FUND, INC.

For the period ended Dec 31, 2025. Filed Feb 27, 2026.

View on SEC.gov

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 27, 2026

MSIF$12.53+2.3%Stored close · as of Nov 6, 2026

What changed in Management’s Discussion and Analysis?

Read the current filing

Previous report: 10-K

Period ended 2024-12-31; filed 2025-03-20.

0001535778-25-000073

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Current report: 10-K

Period ended 2025-12-31; filed 2026-02-27.

0001535778-26-000026

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The baseline is this issuer’s latest earlier reporting period of the same form that was filed before the current report. A previous 10-Q is a different quarter, not a year-over-year comparison. Amendments are excluded.

Compared 111 previous paragraphs and 109 current paragraphs.

29 unchanged; 59 reworded; 21 added; 22 removed; 1 previous and 0 current paragraphs rearranged.

Tables are not compared: 12 previous and 13 current tables excluded. Dates, whitespace, punctuation and numbering changes are ignored; changes to financial figures remain significant.

A changed paragraph is not evidence that risk increased or decreased. An unchanged paragraph does not establish that risk stayed the same.

Added paragraphs (21)

Current report

As of December 31, 2025, MSC Income had Middle Market portfolio investments in eight portfolio companies, collectively totaling $23.3 million in fair value and $39.8 million in cost basis, which comprised 1.7% and 3.2% of the Investment Portfolio at fair value and cost, respectively. As of December 31, 2024, MSC Income had Middle Market portfolio investments in ten portfolio companies, collectively totaling $39.4 million in fair value and $66.3 million in cost basis, which comprised 3.3% and 5.8% of the Investment Portfolio at fair value and cost, respectively.

Current report

(a)Pursuant to the Advisory Agreement effective upon the MSC Income Listing, the incentive fee on capital gains is determined and payable to the Adviser in arrears, if any, as of the end of each calendar year. This fee equals (a) 17.5% of the Fund’s incentive fee capital gain, which is calculated as the Fund’s (i) cumulative net realized gains (net of any related net income tax expense), minus (ii) cumulative unrealized depreciation (net of any related income tax benefit, and excluding any unrealized appreciation), minus (b) the aggregate amount of any previously paid capital gains incentive fee, in each case from the MSC Income Listing date through the applicable calendar year ended. In accordance with U.S. GAAP, at the end of each reporting period, the Fund estimates the capital gains incentive fee and accrues the fee based upon a hypothetical liquidation of its investment portfolio at the then current fair value. Therefore, the calculation of the accrual equals (a) the Fund’s cumulative change in net fair value, including both (i) the cumulative net realized gain/loss and (ii) the cumulative net unrealized appreciation/depreciation (in both cases, net of any related cumulative net income tax expense or benefit), minus (b) the aggregate amount of any previously paid capital gains incentive fee, in each case from the MSC Income Listing date through the applicable period ended. However, any capital gains incentive fee accrued related to the unrealized appreciation is neither earned nor payable to the Adviser until such time that it is realized, and assuming at the end of a calendar year such incentive fee capital gain exists excluding any cumulative unrealized appreciation (in each case, net of any related net income tax expense or benefits). For the year ended December 31, 2025, the Fund accrued a capital gains incentive fee of $2.8 million. See Note J — Related Party Transactions and Arrangements in the notes to the consolidated financial statements included in Item 8. Consolidated Financial Statements and Supplementary Dataof this Annual Report on Form 10-K.

Current report

(b)Adjusted net investment income is net investment income as determined in accordance with U.S. GAAP, excluding the impact of the capital gains incentive fee. MSC Income believes presenting adjusted net investment income and the related per share amounts is useful and appropriate supplemental disclosure for analyzing the Fund’s financial performance since the calculation of the capital gains incentive fee is based on realized gains and losses and unrealized fair value appreciation and depreciation, none of which are included in net investment income. However, adjusted 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 MSC Income’s financial performance. A reconciliation of net investment income in accordance with U.S. GAAP to adjusted net investment income is detailed in the table above.

Current report

(c)Adjusted net investment income before taxes is net investment income as determined in accordance with U.S. GAAP, excluding the impact of any tax expenses included in net investment income and the capital gains incentive fee. MSC Income believes presenting adjusted net investment income before taxes and the related per share amounts is useful and appropriate supplemental disclosure for analyzing the Fund’s financial performance since (i) the calculation of the capital gains incentive fee is based on realized gains and losses and unrealized fair value appreciation and depreciation, none of which are included in net investment income and (ii) tax expenses included in net investment income may include (a) excise tax expense, which is not solely attributable to net investment income, and (b) deferred taxes, which are not payable in the current period. However, adjusted net investment income before taxes is a non-U.S. GAAP measure and should not be considered as a replacement for net investment income, net investment income before taxes 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 MSC Income’s financial performance. A reconciliation of net investment income in accordance with U.S. GAAP to adjusted net investment income before taxes is detailed in the table above.

Current report

(a)The decrease in interest income was primarily attributable to (i) a larger negative impact from investments on non-accrual status and (ii) a decrease in interest rates, primarily resulting from decreases in benchmark index interest rates on floating rate debt investments and other decreases in interest rates on existing debt investments, partially offset by higher average levels of income producing Investment Portfolio debt investments.

Current report

(b)The increase in dividend income was primarily a result of dividend income increases of (i) $6.7 million from LMM portfolio companies and (ii) $1.2 million from Private Loan portfolio companies, partially offset by a decrease of $0.5 million in dividend income from Other Portfolio investments.

Current report

(c)The decrease in fee income was primarily related to a decrease in fee income of $1.6 million from lower exit, prepayment and amendment activity, partially offset by an increase in fee income of $0.6 million in fees related to increased investment activity.

Current report

(c)The capital gains incentive fee accrued in 2025 is the result of the significant net fair value appreciation of the Fund’s investments recognized during the fourth quarter of 2025.

Current report

(d)Under the Prior Investment Advisory Agreement, the Adviser historically waived reimbursement of all internal administrative services expenses except for services that were previously provided by an external third-party that were later internalized by the Adviser. Beginning in January 2025, under the Advisory Agreement, the waivers for those costs (except for services that were previously provided by the external third-party) were memorialized as a quarterly cap on the Fund’s obligation to reimburse the Adviser for such internal administrative services expenses. As a result, the historical waiver of such costs is no longer required after the MSC Income Listing.

Current report

Adjusted net investment income for the year ended December 31, 2025 increased 20% to $64.5 million, or $1.39 per share, compared to $53.9 million, or $1.34 per share, in 2024. The increase in adjusted net investment income was primarily due to an increase in net investment income as discussed above, excluding the impact of the capital gains incentive fee accrual. The increase in adjusted net investment income per share reflects the increase in adjusted net investment income after the impact of the increase in weighted-average shares outstanding for the year ended December 31, 2025, as discussed above. The increase in adjusted net investment income on a per share basis includes a $0.02 per share decrease in investment income considered less consistent or non-recurring in nature.

Current report

MSC Income’s income taxes include excise tax expense at MSIF and federal and state income and other tax expenses at the Taxable Subsidiaries. MSIF has elected to be treated for U.S. federal income tax purposes as a RIC. MSIF’s taxable income includes the taxable income generated by MSIF and certain of its subsidiaries, including the Structured Subsidiaries, which are treated as disregarded entities for tax purposes. As a result of its investment activities and dividend policy and activities, MSIF incurs federal excise tax on its estimated undistributed taxable income. The Taxable Subsidiaries incur federal and state income and other taxes related to net investment income resulting from the Taxable Subsidiaries’ investment activities. The excise tax expense decrease for the year ended December 31, 2025 when compared to the prior year is due to a reduction in the estimated undistributed taxable income at MSIF, which is taxed at a 4% rate. The net investment income related federal and state income and other tax expenses increase for the year ended December 31, 2025 when compared to the prior year is due to increases in taxable net investment income at the Taxable Subsidiaries.

Current report

The Taxable Subsidiaries also incur taxes on realized gains (losses) and unrealized appreciation (depreciation). These taxes will change over time due to changes in the valuations of portfolio investments and realized gains and losses, in each case, on investments owned by the Taxable Subsidiaries.

Current report

See Note G — Share Repurchases in the notes to the consolidated financial statements included in Item 8. Consolidated Financial Statements and Supplementary Dataof this Annual Report on Form 10-K for a description of the 10b5-1 Repurchase Plan and shares repurchased thereunder during the year ended December 31, 2025.

Current report

As of December 31, 2025, the Fund’s future commitments for cash payments in connection with the Credit Facilities and the Series A Notes for each of the next five years and thereafter are as follows:

Current report

(1)Future interest payments on the Credit Facilities have not been included, as these amounts fluctuate over time depending on the current interest rates and amounts outstanding.

Current report

From January 1, 2026 through February 26, 2026, MSC Income repurchased 562,131 shares at an average price of $12.90 (including broker commissions), as part of the Fund’s 10b5-1 Repurchase Plan.
Removed paragraphs (22)

Previous report

On December 16, 2024, we effectuated the Reverse Stock Split. As a result of the Reverse Stock Split, every two shares of our issued and outstanding common stock were converted into one share of issued and outstanding common stock, without any change in the par value per share or the number of authorized shares of our common stock.

Previous report

(a)The increase in fee income was primarily related to (i) a $1.4 million increase in fees received from the refinancing and prepayment of debt investments and (ii) a $0.8 million increase in fees related to increased investment activity.

Previous report

(c)The increase in internal administrative service fees was primarily related to increased expenses incurred by the Adviser associated with its activities and services under the Prior Investment Advisory Agreement. Consistent with prior practice, the vast majority of such internal administrative service fees, or all fees other than $0.6 million, were waived by the Adviser. The only fees not waived are the cost of services previously provided by a sub-administrator prior to January 1, 2022 and assumed by the Adviser thereafter (see Note J.1. — Related Party Transactions — Advisory Agreements and Conditional Expense Reimbursement Waivers included in Item 8. Consolidated Financial Statements and Supplementary Data).

Previous report

The income tax provision for the year ended December 31, 2024 of $1.1 million principally consisted of a current tax provision of $5.0 million related to a $4.1 million provision for current federal and state income taxes and a $0.9 million provision for excise tax on our estimated undistributed taxable income, partially offset by a deferred tax benefit of $3.9 million, which is primarily the result of the net activity relating to our portfolio investments held in our Taxable Subsidiaries, including changes in loss carryforwards, changes in net unrealized appreciation/depreciation and other temporary book-tax differences.

Previous report

The income tax provision for the year ended December 31, 2023 of $3.8 million consisted of (i) a deferred tax provision of $2.9 million, which is primarily the result of the net activity relating to our portfolio investments held in our Taxable Subsidiaries, including changes in loss carryforwards, changes in net unrealized appreciation/depreciation and other temporary book-tax differences and (ii) a current tax provision of $0.9 million related to a $0.5 million provision for excise tax on our estimated undistributed taxable income and a $0.4 million provision for current federal and state income taxes.

Previous report

Prior to the MSC Income Listing, we maintained a quarterly share repurchase program whereby we made quarterly offers to purchase shares at the estimated NAV per share, as determined within 48 hours prior to the repurchase date. The amount of shares of our common stock to be repurchased during any calendar quarter was equal to the lesser of (i) the number of shares of common stock we could repurchase with the proceeds we received from the issuance of common stock under our dividend reinvestment plan as then in effect or (ii) 2.5% of the weighted-average number of shares of common stock outstanding in the prior four calendar quarters. Repurchase offers were limited to the number of shares of common stock that we could repurchase with 90% of the cash retained as a result of issuances of common stock under the then-effective dividend reinvestment plan.

Previous report

On November 13, 2024, our Board of Directors, including each director who is not an “interested person,” as such term is defined in Section 2(a)(19) of the 1940 Act, of the Company or our Adviser, unanimously approved suspending our quarterly share repurchase program in anticipation of the MSC Income Listing. While our quarterly share repurchase program ultimately terminated upon the MSC Income Listing, our Board of Directors has authorized us to repurchase shares of our common stock through an open-market share repurchase program for up to $65.0 million in the aggregate of shares of our common stock for a 12-month period beginning in March 2025. Pursuant to such authorization, we entered into the Company Rule 10b5-1 Stock Repurchase Plan to facilitate the repurchase of up to $65.0 million in shares of our common stock authorized under the open-market share repurchase program, in accordance with the guidelines specified in Rule 10b-18 and Rule 10b5-1 of the Exchange Act. See Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations — Recent Developments for additional information.

Previous report

On February 5, 2024, we commenced a $2.5 million modified “Dutch Auction” tender offer (the “February 2024 Dutch Auction Tender Offer”) pursuant to the Offer to Purchase, dated February 5, 2024, which expired on March 4, 2024.

Previous report

On May 17, 2024, we commenced a $2.0 million modified “Dutch Auction” tender offer (the “May 2024 Dutch Auction Tender Offer”) pursuant to the Offer to Purchase, dated May 17, 2024, which expired on June 20, 2024.

Previous report

In addition to our quarterly share repurchase program, during the fiscal year ended December 31, 2023, we used proceeds from the sale of our shares during 2023 to complete three modified “Dutch auction” tender offers, pursuant to which we offered to purchase up to a specified amount of shares of our common stock at the lowest clearing purchase price elected by participating stockholders within a specified range that allowed us to purchase the maximum amount offered. All shares purchased in a “Dutch auction” tender offer were purchased at the clearing purchase price. SEC rules permitted us to increase the number of shares accepted for purchase in any offer by up to 2% of our outstanding shares without amending the offer. For the year ended December 31, 2023, we purchased 633,834 shares of our common stock for $7.8 million through our modified Dutch auction tender offers.

Previous report

See Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities of this Annual Report on Form 10-K and Item 2. Unregistered Sales of Equity Securities and Use of Proceeds of our quarterly reports on Form 10-Q for more information regarding repurchases of our common stock during the year ended December 31, 2024.

Previous report

During the years ended December 31, 2024 and 2023, on certain dividend payment dates we sold shares of our common stock to Main Street at the price at which we issued new shares in connection with reinvestments of dividends pursuant to our dividend reinvestment plan as then in effect. In each of these transactions, the issuance and sale of shares were exempt from registration under Section 4(a)(2) of the Securities Act, and were unanimously approved by our Board of Directors, including each director who is not an “interested person,” as such term is defined in Section 2(a)(19) of the 1940 Act, of the Company or our Adviser. During the year ended December 31, 2024, we sold 439,978 shares to Main Street at a weighted-average price of $15.91 for total proceeds, prior to payment of expenses, of $7.0 million. During the year ended December 31, 2023, we sold 540,093 shares to Main Street at a price of $15.74 for total proceeds, prior to payment of expenses, of $8.5 million.

Previous report

As of December 31, 2024, we had $565.7 million in total borrowings outstanding under our Credit Facilities and Series A Notes. The SPV Facility is scheduled to mature on February 3, 2028. The Corporate Facility is scheduled to mature on May 8, 2029. The Series A Notes are scheduled to mature on October 30, 2026. See further discussion of the terms of our Credit Facilities, Series A Notes and other debt in Note D — Debt included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K.

Previous report

A summary of our significant contractual payment obligations for the repayment of outstanding borrowings as of December 31, 2024 is as follows.

Previous report

(1)As of December 31, 2024, $33.3 million remained available to borrow under the SPV Facility; however, our borrowing ability is limited to leverage and borrowing base restrictions imposed by the SPV Facility and the 1940 Act, as discussed above.

Previous report

(2)As of December 31, 2024, $16.0 million remained available to borrow under the Corporate Facility; however, our borrowing ability is limited to leverage and borrowing base restrictions imposed by the Corporate Facility and the 1940 Act, as discussed above. The Corporate Facility was amended in February 2025 to increase the total commitments from $165.0 million to $245.0 million (see Note K — Subsequent Events included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K for further detail).

Previous report

Following the MSC Income Listing, and pursuant to Board authorization, we entered into a share repurchase plan to repurchase up to $65.0 million in the aggregate of shares of our common stock in the open market for a twelve-month period beginning in March 2025, at times when the market price per share of our common stock is trading below the most recently reported NAV per share of our common stock by certain pre-determined levels (including any updates, corrections or adjustments publicly announced by us to any previously announced NAV per share). The repurchases of shares of our common stock pursuant to the share purchase plan are intended to satisfy the conditions of Rule 10b5-1 and Rule 10b-18 under the Exchange Act and will otherwise be subject to applicable law, including Regulation M, which may prohibit purchases under certain circumstances. Main Street also entered into a share purchase plan to purchase up to $20.0 million in the aggregate of our common stock in the open market with terms and conditions substantially similar to our share repurchase plan for shares of our common stock, and daily purchases under the two plans, if any, are expected to be split pro rata (or as close thereto as reasonably possible) between us and Main Street based on the respective plan sizes. On January 20, 2025, in connection with Main Street’s potential acquisition in excess of 3% of our outstanding common stock, we entered into a Fund of Funds Investment Agreement with Main Street (the “Main Street Fund of Funds Agreement”). The Main Street Fund of Funds Agreement provides for the acquisition of our shares of common stock by Main Street, and our sale of such shares to Main Street, in a manner consistent with the requirements of Rule 12d1-4 under the 1940 Act.

Previous report

Additionally, in connection with the MSC Income Listing, on January 29, 2025, we entered into the Advisory Agreement with the Adviser to, among other things, (i) reduce the annual base management fees payable by us to the Adviser from 1.75% of our average total assets to 1.5% of our average total assets (including cash and cash equivalents), payable quarterly in arrears (with additional future contractual reductions based upon changes to our investment portfolio composition), (ii) reduce to 17.5% the subordinated incentive fee on pre-incentive fee net investment income above a specified investment return hurdle rate payable by us to the Adviser, subject to a 50% / 50% catch-up feature, (iii) reduce to 17.5% and reset the incentive fee on cumulative net realized capital gains payable by us to the Adviser, (iv) establish a cap on the amount of expenses payable by us relating to certain internal administrative services, which varies based on the value of our total assets and (v) implement other changes to delete provisions required by the Omnibus Guidelines promulgated by the North American Securities Administrators Association, Inc. (the “NASAA Guidelines”). For more information, see Note J — Related Party Transactions included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K.

Previous report

On January 29, 2025, in connection with the MSC Income Listing, we amended and restated our Articles of Amendment and Restatement, as amended, by filing new Articles of Amendment and Restatement of the Company (the “New Articles”) with the State Department of Assessments and Taxation of the State of Maryland. The New Articles revised our charter to, among other things, (i) include a provision that limits the transferability of shares of our common stock outstanding at the time of the MSC Income Listing during the 365-day period following the MSC Income Listing, (ii) reflect an amendment to delete provisions regarding restrictions and requirements applicable to our dividend reinvestment plan, (iii) reflect an amendment to delete provisions prohibiting acquisitions of assets in exchange for shares of our common stock and restricting certain transactions between us and the Adviser and its affiliates and (iv) delete certain provisions required by, and remove references to, the NASAA Guidelines in order to conform certain provisions of our charter more closely to provisions in the charters of other BDCs whose securities are listed and publicly-traded on a national securities exchange.
Reworded paragraphs (59)

Previous wording

The following discussion should be read in conjunction with our consolidated financial statements and the notes thereto included elsewhere in this Annual Report on Form 10-K.

Current wording

The following discussion should be read in conjunction with MSC Income’s consolidated financial statements and the notes thereto included elsewhere in this Annual Report on Form 10-K.

Previous wording

Statements we make in the following discussion which express a belief, expectation or intention, as well as those that are not historical fact, are forward-looking statements that are subject to risks, uncertainties and assumptions. Our actual results, performance or achievements, or industry results, could differ materially from those we express in the following discussion as a result of a variety of factors, including the risks and uncertainties we have referred to under the headings “Cautionary Statement Concerning Forward-Looking Statements” and “Risk Factors” in this report.

Current wording

Statements made in the following discussion which express a belief, expectation or intention, as well as those that are not historical fact, are forward-looking statements that are subject to risks, uncertainties and assumptions. The Fund’s actual results, performance or achievements, or industry results, could differ materially from those expressed in the following discussion as a result of a variety of factors, including the risks and uncertainties it has referred to under the headings “Cautionary Statement Concerning Forward-Looking Statements” and “Risk Factors” in this report.

Previous wording

The following tables provide a summary of our investments in the Private Loan, LMM and Middle Market portfolios as of December 31, 2024 and 2023 (this information excludes Other Portfolio investments, which are discussed further below).

Current wording

A summary of the Fund’s Private Loan and LMM portfolio investments as of December 31, 2025 and 2024 is as follows (this information excludes Middle Market portfolio investments and Other Portfolio investments, which are discussed further below):

Previous wording

(a)As of December 31, 2023, we had equity ownership in all of our LMM portfolio companies, and the average fully diluted equity ownership in those portfolio companies was 9%.

Current wording

(a)As of December 31, 2025, MSC Income had equity ownership in all of its LMM portfolio companies, and the average fully diluted equity ownership in those portfolio companies was 8%.

Previous wording

(b)The weighted-average annual effective yields were computed using the effective interest rates for all debt investments as of December 31, 2023, 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, and are weighted based upon the principal amount of each applicable debt investment as of December 31, 2023. The weighted-average annual effective yield on our debt portfolio as of December 31, 2023, including debt investments on non-accrual status, was 12.6% for our Private Loan portfolio, 13.0% for our LMM portfolio and 9.9% for our Middle Market portfolio. The weighted-average annual effective yield is not reflective of what an investor in shares of our common stock will realize on its investment because it does not reflect our utilization of debt capital in our capital structure, our expenses or any sales load paid by an investor.

Current wording

(b)The weighted-average annual effective yields were computed using the effective interest rates for all debt investments as of December 31, 2025, including amortization of deferred debt origination fees and accretion of original issue discount but excluding fees payable upon repayment of the debt investments and any debt investments on non-accrual status, and are weighted based upon the principal amount of each applicable debt investment as of December 31, 2025. The weighted-average annual effective yield on the Fund’s debt portfolio as of December 31, 2025, including debt investments on non-accrual status, was 10.3% for the Private Loan portfolio investments and 11.7% for the LMM portfolio investments. The weighted-average annual effective yield is not reflective of what an investor in shares of MSC Income’s common stock will realize on its investment because it does not reflect changes in the market value of MSC Income’s stock, MSC Income’s utilization of debt capital in its capital structure, MSC Income’s expenses or any sales load paid by an investor.

Previous wording

(c)The average EBITDA is calculated using a weighted-average for the Private Loan and Middle Market portfolios and a simple average for the LMM portfolio. These calculations exclude certain portfolio companies, including one Private Loan portfolio company, as EBITDA is not a meaningful valuation metric for our investment in this portfolio company, and those portfolio companies whose primary purpose is to own real estate.

Current wording

(c)The average EBITDA is calculated using a weighted-average for Private Loan portfolio companies and a simple average for LMM portfolio companies. These calculations exclude certain portfolio companies, including four Private Loan portfolio companies and three LMM portfolio companies, as EBITDA is not a meaningful valuation metric for the Fund’s investments in these portfolio companies, and those portfolio companies whose primary purpose is to own real estate and those portfolio companies whose primary operations have ceased and only residual value remains.

Previous wording

(a)As of December 31, 2024, we had equity ownership in all of our LMM portfolio companies, and the average fully diluted equity ownership in those portfolio companies was 9%.

Current wording

(a)As of December 31, 2024, MSC Income had equity ownership in all of its LMM portfolio companies, and the average fully diluted equity ownership in those portfolio companies was 9%.

Previous wording

(b)The weighted-average annual effective yields were computed using the effective interest rates for all debt investments as of December 31, 2024, 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, and are weighted based upon the principal amount of each applicable debt investment as of December 31, 2024. The weighted-average annual effective yield on our debt portfolio as of December 31, 2024, including debt investments on non-accrual status, was 11.4% for our Private Loan portfolio, 12.2% for our LMM portfolio and 9.0% for our Middle Market portfolio. The weighted-average annual effective yield is not reflective of what an investor in shares of our common stock will realize on its investment because it does not reflect our utilization of debt capital in our capital structure, our expenses or any sales load paid by an investor.

Current wording

(b)The weighted-average annual effective yields were computed using the effective interest rates for all debt investments as of December 31, 2024, including amortization of deferred debt origination fees and accretion of original issue discount but excluding fees payable upon repayment of the debt investments and any debt investments on non-accrual status, and are weighted based upon the principal amount of each applicable debt investment as of December 31, 2024. The weighted-average annual effective yield on the Fund’s debt portfolio as of December 31, 2024, including debt investments on non-accrual status, was 11.4% for the Private Loan portfolio investments and 12.2% for the LMM portfolio investments. The weighted-average annual effective yield is not reflective of what an investor in shares of MSC Income’s common stock will realize on its investment because it does not reflect MSC Income’s utilization of debt capital in its capital structure, MSC Income’s expenses or any sales load paid by an investor.

Previous wording

(c)The average EBITDA is calculated using a weighted-average for the Private Loan and Middle Market portfolios and a simple average for the LMM portfolio. These calculations exclude certain portfolio companies, including two Private Loan portfolio companies, three LMM portfolio companies and one Middle Market portfolio company, 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 and those portfolio companies whose primary operations have ceased and only residual value remains.

Current wording

(c)The average EBITDA is calculated using a weighted-average for Private Loan portfolio companies and a simple average for LMM portfolio companies. These calculations exclude certain portfolio companies, including two Private Loan portfolio companies and three LMM portfolio companies, as EBITDA is not a meaningful valuation metric for the Fund’s investments in these portfolio companies, and those portfolio companies whose primary purpose is to own real estate and those portfolio companies whose primary operations have ceased and only residual value remains.

Previous wording

For the years ended December 31, 2024 and 2023, we achieved a total return on investments of 12.4% and 13.6%, respectively. Total return on investments is calculated using the interest, dividend and fee income, as well as the realized and unrealized change in fair value of the Investment Portfolio for the specified period. Our total return on investments is not reflective of what an investor in shares of our common stock will realize on its investment because it does not reflect our utilization of debt capital in our capital structure, our expenses or any sales load paid by an investor.

Current wording

For the years ended December 31, 2025 and 2024, MSC Income achieved a total return on investments of 13.9% and 12.4%, respectively. Total return on investments equals the total interest, dividend and fee income plus realized and unrealized changes in the fair value of the Investment Portfolio divided by the average quarterly Investment Portfolio balance at cost, in each case for the specified period. The Fund’s total return on investments is not reflective of what an investor in shares of its common stock will realize on its investment because it does not reflect changes in the market value of its stock, utilization of debt capital in its capital structure, expenses or any sales load paid by an investor.

Previous wording

As of December 31, 2024, we had Other Portfolio investments in six entities, spread across four investment managers, collectively totaling $24.1 million in fair value and $17.9 million in cost basis, which comprised 2.0% and 1.6% of our Investment Portfolio at fair value and cost, respectively. As of December 31, 2023, we had Other Portfolio investments in six entities, spread across four investment managers, collectively totaling $24.6 million in fair value and $21.5 million in cost basis, which comprised 2.3% and 2.1% of our Investment Portfolio at fair value and cost, respectively.

Current wording

As of December 31, 2025, MSC Income had Other Portfolio investments in six entities, spread across four investment managers, collectively totaling $15.5 million in fair value and $13.7 million in cost basis, which comprised 1.2% and 1.1% of the Investment Portfolio at fair value and cost, respectively. As of December 31, 2024, MSC Income had Other Portfolio investments in six entities, spread across four investment managers, collectively totaling $24.1 million in fair value and $17.9 million in cost basis, which comprised 2.0% and 1.6% of the Investment Portfolio at fair value and cost, respectively.

Previous wording

The preparation of financial statements and related disclosures in conformity with generally accepted accounting principles (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and contingent assets and liabilities at the date of the financial statements, and revenues and expenses during the periods reported. Actual results could materially differ from those estimates. Critical accounting policies are those that require management to make subjective or complex judgments about the effect of matters that are inherently uncertain and may change in subsequent periods. Changes that may be required in the underlying assumptions or estimates in these areas could have a material impact on our current and future financial condition and results of operations.

Current wording

The preparation of financial statements and related disclosures in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and contingent assets and liabilities as of the date of the financial statements, and revenues and expenses during the periods reported. Actual results could materially differ from those estimates. Critical accounting policies are those that require management to make subjective or complex judgments about the effect of matters that are inherently uncertain and may change in subsequent periods. Changes that may be required in the underlying assumptions or estimates in these areas could have a material impact on MSC Income’s current and future financial condition and results of operations.

Previous wording

Management has discussed the development and selection of each critical accounting policy and estimate with the Audit Committee of the Board of Directors. Our critical accounting policies and estimates include the Investment Portfolio Valuation and Revenue Recognition policies described below. Our significant accounting policies are described in greater detail in Note B — Summary of Significant Accounting Policies to the consolidated financial statements included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K.

Current wording

Management has discussed the development and selection of each critical accounting policy and estimate with the Audit Committee of the Board of Directors. MSC Income’s critical accounting policies and estimates include the Investment Portfolio Valuation and Revenue Recognition policies described below. MSC Income’s significant accounting policies are described in greater detail in Note B — Summary of Significant Accounting Policies in the notes to the consolidated financial statements included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K.

Previous wording

The most significant determination inherent in the preparation of our consolidated financial statements is the valuation of our Investment Portfolio and the related amounts of unrealized appreciation and depreciation. We consider this determination to be a critical accounting estimate, given the significant judgments and subjective measurements required. As of both December 31, 2024 and 2023, our Investment Portfolio valued at fair value represented 96% of our total assets. We are required to report our investments at fair value. We follow the provisions of FASB ASC 820, Fair Value Measurements and Disclosures (“ASC 820”). ASC 820 defines fair value, establishes a framework for measuring fair value, establishes a fair value hierarchy based on the quality of inputs used to measure fair value and enhances disclosure requirements for fair value measurements. ASC 820 requires us to assume that the portfolio investment is to be sold in the principal market to independent market participants, which may be a hypothetical market. Market participants are defined as buyers and sellers in the principal market that are independent, knowledgeable and willing and able to transact. See Note B.1. — Summary of Significant Accounting Policies — Valuation of the Investment Portfolio included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K for a detailed discussion of our Investment Portfolio valuation process and procedures.

Current wording

The most significant determination inherent in the preparation of MSC Income’s consolidated financial statements is the valuation of the Investment Portfolio and the related amounts of unrealized appreciation and depreciation. The Fund considers this determination to be a critical accounting estimate, given the significant judgments and subjective measurements required. As of December 31, 2025 and 2024, the Fund’s Investment Portfolio valued at fair value represented 97% and 96%, respectively, of its total assets. MSC Income is required to report its investments at fair value. The Fund follows the provisions of ASC 820. ASC 820 defines fair value, establishes a framework for measuring fair value, establishes a fair value hierarchy based on the quality of inputs used to measure fair value and enhances disclosure requirements for fair value measurements. ASC 820 requires the Fund to assume that the portfolio investment is to be sold in the principal market to independent market participants, which may be a hypothetical market. Market participants are defined as buyers and sellers in the principal market that are independent, knowledgeable and willing and able to transact. See Note B.1. — Summary of Significant Accounting Policies — Valuation of the Investment Portfolio in the notes to the consolidated financial statements included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K for a detailed discussion of the Valuation Procedures.

Previous wording

Due to the inherent uncertainty in the valuation process, our determination of fair value for our Investment Portfolio may differ materially from the values that would have been determined had a ready market for the securities existed. In addition, changes in the market environment, portfolio company performance and other events that may occur over the lives of the investments may cause the gains or losses ultimately realized on these investments to be materially different than the valuations currently assigned. We determine the fair value of each individual investment and record changes in fair value as unrealized appreciation or depreciation.

Current wording

Due to the inherent uncertainty in the valuation process, MSC Income’s determination of fair value for the Investment Portfolio may differ materially from the values that would have been determined had a ready market for the securities existed. In addition, changes in the market environment, portfolio company performance and other events that may occur over the lives of the investments may cause the gains or losses ultimately realized on these investments to be materially different than the valuations currently assigned. MSC Income determines the fair value of each individual investment and records changes in fair value as unrealized appreciation or depreciation.

Previous wording

Rule 2a-5 under the 1940 Act permits a BDC’s board of directors to designate its executive officers or investment adviser as a valuation designee to determine the fair value for its investment portfolio, subject to the active oversight of the board. Our Board of Directors has approved policies and procedures pursuant to Rule 2a-5 (the “Valuation Procedures”) and has designated our Adviser, led by a group of Main Street’s and our Adviser’s executive officers, to serve as the Board of Directors’ valuation designee. We believe our Investment Portfolio as of December 31, 2024 and 2023 approximates fair value as of those dates based on the markets in which we operate and other conditions in existence on those reporting dates.

Current wording

Rule 2a-5 under the 1940 Act permits a BDC’s board of directors to designate its executive officers or investment adviser as a valuation designee to determine the fair value for its investment portfolio, subject to the active oversight of the board. MSC Income’s Board of Directors has approved the Valuation Procedures and has designated the Adviser, led by the Valuation Committee, to serve as the Board of Directors’ valuation designee. MSC Income believes the Investment Portfolio as of December 31, 2025 and 2024 approximates fair value as of those dates based on the markets in which the Fund operates and other conditions in existence on those reporting dates.

Previous wording

We record interest and dividend income on the accrual basis to the extent amounts are expected to be collected. Dividend income is recorded as dividends are declared by the portfolio company or at the point an obligation exists for the portfolio company to make a distribution. We evaluate accrued interest and dividend income periodically for collectability. When a loan or debt security becomes 90 days or more past due, and if we otherwise do not expect the debtor to be able to service its debt obligation, we will generally place the loan or debt security on non-accrual status and cease recognizing interest income on that loan or debt security until the borrower has demonstrated the ability and intent to pay contractual amounts due. If a loan or debt security’s status significantly improves regarding the debtor’s ability to service the debt obligation, or if a loan or debt security is sold or written off, we remove it from non-accrual status.

Current wording

MSC Income records interest and dividend income on the accrual basis to the extent amounts are expected to be collected. Dividend income is recorded as dividends are declared by the portfolio company or at the point an obligation exists for the portfolio company to make a distribution. The Fund evaluates accrued interest and dividend income periodically for collectability. When a loan or debt security becomes 90 days or more past due, and if the Fund otherwise does not expect the debtor to be able to service its debt obligation, it will generally place the loan or debt security on non-accrual status and cease recognizing interest income on that loan or debt security until the borrower has demonstrated the ability and intent to pay contractual amounts due. If a loan or debt security’s status significantly improves regarding the debtor’s ability to service the debt obligation, or if a loan or debt security is sold or written off, the Fund removes it from non-accrual status.

Previous wording

We may periodically provide services, including structuring and advisory services to our portfolio companies or other third parties. For services that are separately identifiable and evidence exists to substantiate fair value, fee income is recognized as earned, which is generally when the investment or other applicable transaction closes. Fees received in connection with debt financing transactions for services that do not meet these criteria are treated as debt origination fees and are generally deferred and accreted into income over the life of the financing.

Current wording

MSC Income may periodically provide services, including structuring and advisory services, to portfolio companies or other third parties. For services that are separately identifiable and evidence exists to substantiate fair value, fee income is recognized as earned, which is generally when the investment or other applicable transaction closes. Fees received in connection with debt financing transactions for services that do not meet these criteria are treated as debt origination fees and are generally deferred and accreted into income over the life of the financing.

Previous wording

We hold certain debt and preferred equity instruments in our Investment Portfolio that contain PIK interest and cumulative dividend provisions. The PIK interest, computed at the contractual rate specified in each debt agreement, is periodically added to the principal balance of the debt and is recorded as interest income. Thus, the actual collection of this interest may be deferred until the time of debt principal repayment. Cumulative dividends are recorded as dividend income, and any dividends in arrears are added to the balance of the preferred equity investment. The actual collection of these dividends in arrears may be deferred until such time as the preferred equity is redeemed or sold. To maintain RIC tax treatment (as discussed in Note B.7. — Summary of Significant Accounting Policies — Income Taxes included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K), these non-cash sources of income may need to be paid out to stockholders in the form of distributions, even though we may not have collected the PIK interest and cumulative dividends in cash. We stop accruing PIK interest and cumulative dividends and write off any accrued and uncollected interest and dividends in arrears when we determine that such PIK interest and dividends in arrears are no longer collectible. For the years ended December 31, 2024, 2023 and 2022 (i) 6.2%, 3.8% and 2.5%, respectively, of our total investment income was attributable to PIK interest income not paid currently in cash and (ii) 0.1%, 0.1% and 0.6%, respectively, of our total investment income was attributable to cumulative dividend income not paid currently in cash.

Current wording

MSC Income holds certain debt and preferred equity instruments in its Investment Portfolio that contain PIK interest and cumulative dividend provisions. The PIK interest, computed at the contractual rate specified in each debt agreement, is periodically added to the principal balance of the debt and is recorded as interest income. Thus, the actual collection of this interest may be deferred until the time of debt principal repayment. Cumulative dividends are recorded as dividend income, and any dividends in arrears are added to the balance of the preferred equity investment. The actual collection of these dividends in arrears may be deferred until such time as the preferred equity is redeemed or sold. To maintain RIC tax treatment (see Note B.8. — Summary of Significant Accounting Policies — Income Taxes in the notes to the consolidated financial statements included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K), these non-cash sources of income may need to be paid out to stockholders in the form of distributions, even though MSC Income may not have collected the PIK interest and cumulative dividends in cash. MSC Income stops accruing PIK interest and cumulative dividends and writes off any accrued and uncollected interest and dividends in arrears when it determines that such PIK interest and dividends in arrears are no longer collectible. For the years ended December 31, 2025, 2024 and 2023 (i) 6.0%, 6.2% and 3.8%, respectively, of MSC Income’s total investment income was attributable to PIK interest income not paid currently in cash and (ii) 0.9%, 0.1% and 0.1%, respectively, of MSC Income’s total investment income was attributable to cumulative dividend income not paid currently in cash.

Previous wording

The following tables summarize the composition of our total combined Private Loan, LMM and Middle Market portfolio investments at cost and fair value by type of investment as a percentage of the total combined Private Loan, LMM and Middle Market portfolio investments as of December 31, 2024 and 2023 (this information excludes Other Portfolio investments).

Current wording

A summary of the composition of MSC Income’s total combined Private Loan, LMM and Middle Market portfolio investments at cost and fair value by type of investment as a percentage of the total combined Private Loan, LMM and Middle Market portfolio investments as of December 31, 2025 and 2024 is as follows (this information excludes Other Portfolio investments, which are discussed above):

Previous wording

Our Private Loan, LMM and Middle Market portfolio investments carry a number of risks including: (1) investing in companies which may have limited operating histories and financial resources; (2) holding investments that generally are not publicly traded and which may be subject to legal and other restrictions on resale; and (3) other risks common to investing in below investment-grade debt and equity investments in our Investment Portfolio. Please see Item 1A. Risk Factors — Risks Related to our Investments contained in this Annual Report on Form 10-K for a more complete discussion of the risks involved with investing in our Investment Portfolio.

Current wording

The Fund’s Private Loan, LMM and Middle Market portfolio investments carry a number of risks, including: (1) investing in companies which may have limited operating histories and financial resources; (2) holding investments that generally are not publicly traded and which may be subject to legal and other restrictions on resale; and (3) other risks common to investing in below investment-grade debt and equity investments in the Investment Portfolio. See Item 1A. Risk Factors — Risks Related to MSC Income's Investments for a more complete discussion of the risks included with investing in MSC Income’s Investment Portfolio.

Previous wording

Our Adviser utilizes an internally developed investment rating system to rate the performance of each Private Loan, LMM and Middle Market portfolio company and to monitor our expected level of returns on each of our Private Loan, LMM and Middle Market investments in relation to our expectations for the portfolio company. The investment rating system takes into consideration various factors, including, but not limited to, each investment’s expected level of returns, the collectability of our debt investments and the ability to receive a return of the invested capital in our equity investments, comparisons to competitors and other industry participants, the portfolio company’s future outlook and other factors that are deemed to be significant to the portfolio company.

Current wording

The Adviser utilizes an internally developed investment rating system to rate the performance of each Private Loan, LMM and Middle Market portfolio company and to monitor the expected level of returns on each of the Private Loan, LMM and Middle Market investments in relation to the expectations for the portfolio company. The investment rating system takes into consideration various factors, including, but not limited to, each investment’s expected level of returns, the collectability of debt investments and the ability to receive a return of the invested capital in the Fund’s equity investments, comparisons to competitors and other industry participants, the portfolio company’s future outlook and other factors that are deemed to be significant to the portfolio company.

Previous wording

As of December 31, 2024, investments on non-accrual status comprised 1.5% of our total Investment Portfolio at fair value and 5.6% at cost. As of December 31, 2023, investments on non-accrual status comprised 1.1% of our total Investment Portfolio at fair value and 4.0% at cost.

Current wording

As of December 31, 2025, investments on non-accrual status comprised 1.4% of MSC Income’s total Investment Portfolio at fair value and 4.6% at cost. As of December 31, 2024, investments on non-accrual status comprised 1.5% of MSC Income’s total Investment Portfolio at fair value and 5.6% at cost.

Previous wording

The operating results of our portfolio companies are impacted by changes in the broader fundamentals of the United States economy. In periods during which the United States economy contracts, it is likely that the financial results of small to mid-sized companies, like those in which we invest, could experience deterioration or limited growth from current levels, which could ultimately lead to difficulty in meeting their debt service requirements, to an increase in defaults on our debt investments or in realized losses on our investments and to difficulty in maintaining historical dividend payment rates and unrealized appreciation on our equity investments. Consequently, we can provide no assurance that the performance of certain portfolio companies will not be negatively impacted by future economic cycles or other conditions, which could also have a negative impact on our future results.

Current wording

The operating results of the Fund’s portfolio companies are impacted by changes in the broader fundamentals of the U.S. economy. In periods during which the U.S. economy contracts, it is likely that the financial results of small to mid-sized companies, like those in which the Fund invests, could experience deterioration or limited growth from current levels, which could ultimately lead to difficulty in meeting their debt service requirements, to an increase in defaults on debt investments or in realized losses on investments and to difficulty in maintaining historical dividend payment rates and unrealized appreciation on the Fund’s equity investments. Consequently, the Fund can provide no assurance that the performance of certain portfolio companies will not be negatively impacted by future economic cycles or other conditions, which could also have a negative impact on the Fund’s future results.

Previous wording

Set forth below is a comparison of the results of operations and changes in financial condition for the years ended December 31, 2024 and 2023. The comparison of, and changes between, the fiscal years ended December 31, 2023 and 2022 can be found within Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2023, which is incorporated herein by reference.

Current wording

Set forth below is a comparison of the results of operations and a reconciliation of net investment income to adjusted net investment income and to adjusted net investment income before taxes, for the years ended December 31, 2025 and 2024. The comparison of, and changes between, the fiscal years ended December 31, 2024 and 2023 can be found in Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations included in the Fund’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024, which is incorporated herein by reference. All prior period net investment income, net investment income per share, adjusted net investment income and adjusted net investment income per share amounts presented in this section have been retrospectively adjusted to conform to the current presentation. See Note A.4. — Organization and Basis of Presentation — Revisions to the Presentation of Previously Issued Financial Statements in the notes to the consolidated financial statements included in Item 8. Consolidated Financial Statements and Supplementary Data of this Annual Report on Form 10-K for additional details on these adjustments.

Previous wording

Total investment income for the year ended December 31, 2024 was $134.8 million, a 3% increase from the $131.4 million of total investment income for the prior year. The following table provides a summary of the changes in the comparable period activity.

Current wording

Total investment income for the year ended December 31, 2025 was $139.2 million, a 3% increase from the $134.8 million for the prior year. A summary of the changes in the comparable period activity is as follows:

Previous wording

(b)The increase in total investment income includes a net increase of $0.3 million in certain income considered less consistent or non-recurring, including a $1.8 million increase in such fee income, partially offset by (i) a $1.0 million decrease in such interest income from accelerated prepayment, repricing and other activity related to certain Investment Portfolio debt investments and (ii) a $0.4 million decrease in such dividend income.

Current wording

(d)The increase in total investment income is after a net decrease of $0.1 million in certain income considered less consistent or non-recurring, primarily due to a $1.7 million decrease in such fee income, partially offset by increases of (i) $1.1 million in such dividend income and $0.6 million in such interest income from accelerated prepayment, repricing and other activity related to certain Investment Portfolio debt investments.

Previous wording

Total expenses, net of fee and expense waivers, for the year ended December 31, 2024 were $77.5 million, a 5% increase from $73.7 million in the prior year. The following table provides a summary of the changes in the comparable period activity.

Current wording

Total expenses, net of expense waivers, for the year ended December 31, 2025 were $73.6 million, a 5% decrease from $77.5 million in the prior year. A summary of the changes in the comparable period activity is as follows:

Previous wording

(a)The increase in interest expense was primarily related to higher weighted-average outstanding borrowings used to fund the growth in our Investment Portfolio.

Current wording

(a)The decrease in interest expense was primarily related to decreased weighted-average interest rates on the Credit Facilities due to (i) decreases in benchmark index interest rates and (ii) decreases to the applicable spreads resulting from amendments of the Credit Facilities, partially offset by an increase in weighted-average outstanding borrowings used to fund a portion of the growth of the Investment Portfolio.

Previous wording

(b)The increase in base management fees was due to an increase in average total assets.

Current wording

(b)The decrease in base management fees was due to a decrease in the annual base management fee percentage attributable to the amended Advisory Agreement that became effective upon the MSC Income Listing during the first quarter of 2025, partially offset by an increase in the Fund’s average total assets.

Previous wording

Net investment income for the year ended December 31, 2024 decreased 1% to $57.3 million, or $1.43 per share, compared to net investment income of $57.7 million, or $1.44 per share, in 2023. The decrease in net investment income was attributable to an increase in total expenses, partially offset by an increase in total investment income, both as discussed above. The decrease in net investment income and net investment income per share includes a $0.3 million, or $0.01 per share, increase in investment income considered less consistent or non-recurring, as discussed above.

Current wording

Net investment income for the year ended December 31, 2025 increased 15% to $61.8 million, or $1.33 per share, compared to $53.9 million, or $1.34 per share, in 2024. The increase in net investment income was primarily attributable to an increase in total investment income and a decrease in total expenses, each as discussed above. The increase in net investment income on a per share basis reflects the increase in net investment income after the impact of a 16% increase in the weighted-average shares outstanding compared to the year ended December 31, 2024, primarily due to new shares issued through the MSC Income Offering and the DRIP, partially offset by shares repurchased by the Fund, in each case since the beginning of the prior year. The decrease in net investment income on a per share basis includes a $0.02 per share decrease in investment income considered less consistent or non-recurring in nature.

Previous wording

The following table provides a summary of the primary components of the total net realized loss on investments of $34.0 million for the year ended December 31, 2023.

Current wording

A summary of the primary components of the total net realized loss on investments of $9.5 million for the year ended December 31, 2025 is as follows:

Previous wording

(a)Other activity includes realized gains and losses from transactions involving 15 portfolio companies which are not considered to be significant individually or in the aggregate.

Current wording

(a)Other activity includes realized gains and losses from transactions involving 12 portfolio companies which are not considered to be significant individually or in the aggregate.

Previous wording

The following table provides a summary of the primary components of the total net realized gain on investments of $15.8 million for the year ended December 31, 2024.

Current wording

A summary of the primary components of the total net realized gain on investments of $15.8 million for the year ended December 31, 2024 is as follows:

Previous wording

The following table provides a summary of the total net unrealized appreciation of $46.3 million for the year ended December 31, 2023.

Current wording

A summary of the total net unrealized appreciation of $36.4 million for the year ended December 31, 2025 is as follows:

Previous wording

(a)Includes unrealized appreciation on 25 LMM portfolio investments and unrealized depreciation on 19 LMM portfolio investments.

Current wording

(a)Includes unrealized appreciation on 37 LMM portfolio investments and unrealized depreciation on 17 LMM portfolio investments.

Previous wording

The following table provides a summary of the total net unrealized depreciation of $15.4 million for the year ended December 31, 2024.

Current wording

A summary of the total net unrealized depreciation of $15.4 million for the year ended December 31, 2024 is as follows:

Previous wording

The net increase in net assets resulting from operations for the year ended December 31, 2024 was $56.6 million, or $1.41 per share, compared to $66.2 million, or $1.65 per share, during the year ended December 31, 2023. The tables above provide a summary of the reasons for the change in net increase in net assets resulting from operations for the year ended December 31, 2024 as compared to the year ended December 31, 2023.

Current wording

The net increase in net assets resulting from operations for the year ended December 31, 2025 was $88.7 million, or $1.91 per share, compared with $56.6 million, or $1.41 per share, for the year ended December 31, 2024. The tables above provide a summary of the reasons for the change in net increase in net assets resulting from operations for the year ended December 31, 2025 as compared to the year ended December 31, 2024.

Previous wording

For the year ended December 31, 2023, we realized a net increase in cash and cash equivalents of $9.4 million, which is the net result of $50.2 million of cash provided by our operating activities and $40.8 million of cash used in our financing activities.

Current wording

For the year ended December 31, 2025, MSC Income realized a net decrease in cash and cash equivalents of $7.7 million, which is the net result of $70.4 million of cash used in operating activities and $62.6 million of cash provided by financing activities.

Previous wording

The $50.2 million of cash provided by our operating activities resulted primarily from (i) cash proceeds totaling $238.7 million from the sales and repayments of debt investments and sales of and return of capital from equity investments, (ii) cash flows that we generated from the operating profits earned totaling $46.7 million, which is our net investment income, excluding the non-cash effects of the accretion of unearned income, payment-in-kind interest income, cumulative dividends and the amortization expense for deferred financing costs and (iii) cash proceeds of $1.9 million related to changes in other assets and liabilities, partially offset by the funding of new and follow-on portfolio company investments of $236.4 million.

Current wording

The $70.4 million of cash used in operating activities resulted primarily from (i) cash uses totaling $411.1 million for the funding of new and follow-on portfolio investments and (ii) $9.7 million in net cash uses related to changes in other assets and liabilities, partially offset by (i) cash proceeds totaling $298.9 million from the sales and repayments of debt investments and sales of and return of capital from equity investments and (ii) cash flows generated from operating profits earned totaling $51.5 million, which is net investment income, excluding the non-cash effects of deferred taxes, the accretion of unearned income, PIK interest income, cumulative dividends and the amortization expense for deferred financing costs.

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Rearranged previous paragraphs (1)

Previous report — wording carried elsewhere

On February 27, 2025, we entered into an amendment to the Corporate Facility to, among other things: (i) increase the total commitments from $165.0 million to $245.0 million and (ii) increase the accordion feature from up to a total of $200.0 million to up to a total of $300.0 million.