Main Street Capital Corporation (NYSE:MAIN) ("Main Street") is pleased to announce that it recently completed a follow-on investment in its existing portfolio company, DMS Holdco LLC ("DMS" or the "Company"), an industry leading provider of omni-channel direct marketing services. Main Street, along with its co-investor MSC Income Fund, Inc. (NYSE:MSIF) ("MSIF"), made the follow-on investment in DMS to support the Company's strategic acquisition of Johnson & Quin, Inc. ("J&Q"), which is a direct marketing services business strategically located in Chicago, Illinois, and to support other strategic growth initiatives. Main Street and MSIF provided a portion of the financing necessary to facilitate the acquisition, with the owners of J&Q receiving a portion of the acquisition purchase price in equity ownership in DMS. Main Street's portion of the investment consisted of an additional $20.8 million first lien, senior secured term debt investment and a $4.8 million direct equity investment. Main Street and MSIF initially invested in DMS in February 2018.