$CSWC

CAPITAL SOUTHWEST CORP (CSWC) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 8333 Douglas Avenue, Suite 1100 Dallas, Texas 75225 T 214.238.5700 F 214.238.5701 Capital Southwest Announces Preliminary Estimate of Second Quarter 2027 Operating Results and Earnings Release and Conference Call Schedule Dallas, Texas – October 15, 2026 – Capital So

Capital Southwest (CSWC) reported preliminary Q2 FY27 results, with pre-tax NII $0.58–$0.59/share, NII $0.56–$0.57/share, and NAV $16.62–$16.67 as of Sep 30, 2026. Final results are expected Nov 2, 2026.

Thomas William R III purchased 2,170 shares of CAPITAL SOUTHWEST CORP (CSWC) at $23.04 on 2026-10-01.

Capital Southwest Corp (CSWC) received SBA approval to increase its leverage commitment for SBIC II from $175M to $250M, enhancing investment capacity. The stock offers a 10.66% dividend yield but has a high payout ratio of 1.41, raising sustainability concerns. CSWC is 5.9% undervalued per GF Value™, with a GF Score™ of 57/100, reflecting mixed financial health. Insiders have been net buyers, acquiring $0.2M in shares over 12 months.

Capital Southwest (CSWC) issued $350M in 6.750% senior unsecured notes due 2031. Its shares have seen mixed performance, with a 1-year return of 17.13%. Analysts suggest the stock is undervalued, trading below targets and intrinsic value estimates of $24.90. Recent developments include a second SBIC license and an expanded credit facility, which may support earnings growth. However, risks include loan pricing compression and equity issuance impacting earnings.

Capital Southwest priced a $350M offering of 6.750% notes due 2031, yielding 6.994%. Proceeds will refinance debt and support investments. The company manages $2.2B in middle-market investments.

CAPITAL SOUTHWEST CORP (CSWC) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. Item 1.01 Entry into a Material Definitive Agreement. On September 10, 2026, Capital Southwest Corporation (the “ Company ”) entered into an underwriting agreement (the “ Underwriting Agreement ”) by and among the Company and Deutsche Bank Securities Inc., Huntington Securities,

Capital Southwest (CSWC) expanded its credit facility to $595M from $510M, reducing the spread to 2% from 2.15%. The revolving period was extended to 2030, and unused fees were cut. The company had $280M outstanding as of June 30, with a weighted average yield of 10.9% on debt investments. The move aims to support new investments, but credit risk and leverage remain concerns.

CAPITAL SOUTHWEST CORP (CSWC) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. Exhibit 99.1 8333 Douglas Avenue, Suite 1100 Dallas, Texas 75225 T 214.238.5700 F 214.238.5701 Capital Southwest Increases Corporate Credit Facility to $595 million and Extends Maturity to September 2031 Dallas, Texas -- September 2, 2026 -- Capital Southwest Corporation (“Capita

Capital Southwest (CSWC) shareholders approved increasing authorized common stock from 75M to 135M. The vote passed with 41.6M in favor. The move provides flexibility for equity financing, supporting investments and balance sheet management. The company has $2.2B in investments as of June 30, 2026.