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CSWC capital southwest Exhibit 99.1 Lincoln Centre Tower I 5400 Lyndon B. Johnson Freeway , Suite 1300 Dallas , Texas 75240 T 214.238.5700 F 214.238.5701 Capital Southwest Announces Financial Results for First Fiscal Quarter Ended June 30 , 2021 and Announces Increase in Total Dividends to $ 0.54 per share for the Quarter Ended September 30 , 2021 CSWC Reports Pre - Tax Net Investment Income of $ 0.45 Per Share for Quarter Ended June 30 , 2021 and Increases Regular Dividend to $ 0.44 Per Share Dallas , Texas - August 2 , 2021 - Capital Southwest Corporation ( " Capital Southwest , " " CSWC " or the " Company " ) ( Nasdaq : CSWC ) , an internally managed business development company focused on providing flexible financing solutions to support the acquisition and growth of middle market businesses , today announced its financial results for the first fiscal quarter ended June 30 , 2021 . First Quarter Fiscal Year 2022 Financial Highlights Total Investment Portfolio : $ 798.6 million Credit Portfolio of $ 671.3 million : " 90 % 1st Lien Senior Secured Debt $ 135.1 million in new committed credit investments Weighted Average Yield on Debt Investments : 10.0 % Two credit investments currently on non - accrual with a fair value of $ 14.5 million , representing 1.8 % of the total investment portfolio Equity Portfolio of $ 66.1 million , excluding investment in I - 45 Senior Loan Fund ( " I - 45 SLF " ) $ 3.8 million in new equity co - investments CSWC Investment in I - 45 SLF of $ 61.3 million at fair value • " I - 45 SLF portfolio of $ 169.6 million Portfolio consists of 38 issuers : 96 % 1st Lien Debt and 4 % 2nd Lien Debt $ 107.0 million of debt outstanding at I - 45 SLF as of June 30 , 2021 I - 45 SLF fund leverage of 1.40x debt to equity at fair value at quarter end I - 45 SLF paid a $ 1.6 million quarterly dividend to CSWC ; an annualized yield of 10.4 % Pre - Tax Net Investment Income : $ 9.4 million , or $ 0.45 per weighted average diluted share Dividends : Paid $ 0.43 per share Regular Dividend , $ 0.10 per share Supplemental Dividend о 110 % LTM Pre - Tax NII Regular Dividend Coverage Total Dividends for the quarter ended June 30 , 2021 of $ 0.53 per share Undistributed Taxable Income at quarter end estimated at $ 0.83 per share Net Realized and Unrealized Appreciation on Investments : $ 6.1 million о $ 4.9 million of net appreciation related to the equity portfolio о $ 0.7 million of net appreciation related to the upper middle market debt portfolio , including I - 45 SLF ° $ 0.5 million of net appreciation related to the lower middle market debt portfolio