Invests an Additional $15.6 Million in UBM ParentCo, LLC to Support Strategic Acquisition
HOUSTON, April 21, 2026 /PRNewswire/ -- 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, UBM ParentCo, LLC, doing business as United Business Mail ("UBM" or the "Company"), a leading provider of "marketing mail" commingle services, specializing in optimizing postage, transportation and delivery performance for large-scale mailers. Main Street, along with its co-investor MSC Income Fund, Inc. (NYSE: MSIF) ("MSIF"), made the follow-on investment in UBM to support the Company's strategic acquisition of a leading national provider of asset-light palletized mail consolidation, mail optimization services, freight brokerage, and warehousing and distribution for business to business, or B2B, and business to consumer, or B2C, customers. Main Street's portion of the investment consisted of an additional $15.6 million first lien, senior secured term debt investment. Main Street and MSIF initially invested in UBM in December 2025.
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