Page 1

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 Third Fiscal Quarter Ended December 31 , 2020 and Announces Increase in Total Dividends to $ 0.52 per share for the Quarter Ended March 31 , 2021 CSWC Reports Pre - Tax Net Investment Income of $ 0.52 Per Share Dallas , Texas - February 1 , 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 third fiscal quarter ended December 31 , 2020 . Third Quarter Fiscal Year 2021 Financial Highlights Total Investment Portfolio : $ 648.8 million Credit Portfolio of $ 531.1 million : 91 % 1st Lien Senior Secured Debt " $ 55.5 million in new committed credit investments Weighted Average Yield on Debt Investments : 10.6 % One credit investment currently on non - accrual with a fair value of $ 0.7 million , representing 0.1 % of the total investment portfolio No new credit investments placed on non - accrual during the quarter Equity Portfolio of $ 54.0 million , excluding investment in I - 45 Senior Loan Fund ( " I - 45 SLF " ) $ 2.0 million in new committed equity co - investments CSWC Investment in I - 45 SLF of $ 63.6 million at fair value I - 45 SLF portfolio of $ 159.6 million Portfolio consists of 38 issuers : 94 % 1st Lien Debt and 6 % 2nd Lien Debt $ 85.0 million of debt outstanding at I - 45 SLF as of December 31 , 2020 I - 45 SLF fund leverage of 1.07x debt to equity at fair value at quarter end I - 45 SLF paid a $ 1.7 million quarterly dividend to CSWC , an annualized yield of 10.6 % Pre - Tax Net Investment Income : $ 10.0 million , or $ 0.52 per weighted average diluted share Dividends : Paid $ 0.41 per share Regular Dividend , $ 0.10 per share Supplemental Dividend ° 107 % LTM Pre - Tax NII Regular Dividend Coverage Total Dividends for the quarter ended December 31 , 2020 of $ 0.51 per share Undistributed Taxable Income at quarter end estimated at $ 1.09 per share Net Realized and Unrealized Appreciation on Investments : $ 7.1 million о $ 6.5 million of net appreciation related to the equity portfolio $ 0.7 million of net appreciation related to the upper middle market debt portfolio , including I - 45 SLF $ 0.1 million net depreciation related to the lower middle market debt portfolio