DALLAS, Sept. 3, 2008 (GLOBE NEWSWIRE) -- Capital Southwest Corporation (NasdaqGM:CSWC - News), a provider of long-term equity capital since 1961, announced today that it has invested $3.8 million in preferred stock and subordinated debt in Cinatra Clean Technologies, Inc., as part of a $6.4 million staged investment. Cinatra, based in Houston, Texas, is the exclusive U.S. provider of the ORECO A/S hydrocarbon recovery and tank-cleaning processes for crude oil, cat slurry and wastewater storage tanks. The patented ORECO cleaning process does not require manned entry, which dramatically increases the safety and speed of tank cleaning. Customers also benefit from increased hydrocarbon recovery and less hazardous waste compared to traditional cleaning methods.

``Our offering is in high demand by prospective customers nationwide, given the clear advantages over other tank cleaning measures,'' said Bob Kostelnik, CEO of Cinatra Clean Technologies. Commenting on his partnership with Capital Southwest, Kostelnik added, ``After considering other funding opportunities, we chose Capital Southwest based on their consistent, verifiable history of being good business partners who are focused on growing businesses without the potential for needing an untimely exit in the near term. They are one of our strongest assets.''

Capital Southwest senior vice president Bill Ashbaugh, who serves on Cinatra's board, commented, ``We are delighted to partner with Bob and his experienced management team. Their automated solution is safer, faster and economically more compelling than traditional cleaning methods.''

About Cinatra Clean Technologies, Inc.

Cinatra Clean Technologies, Inc., based in Houston, Texas, is the exclusive U.S. provider of the ORECO A/S patented hydrocarbon recovery and tank-cleaning processes. The company's automated, non-manned entry system enables rapid, environmentally safe cleaning and hydrocarbon recovery for above ground crude oil, cat slurry and wastewater storage tanks.

About Capital Southwest Corporation

Capital Southwest is a Dallas-based investment company that provides patient equity capital to exceptional businesses. As a public company (NasdaqGM:CSWC - News), Capital Southwest has the flexibility to hold investments indefinitely, which has provided its managers a stable ownership platform since its founding in 1961. For more information about Capital Southwest, visit the company's website at http://www.capitalsouthwest.com.

          Capital Southwest Corporation 
          Gary L. Martin
          Tracy L. Morris
          972-233-8242