HOUSTON, March 13, 2026 /PRNewswire/ -- MSC Income Fund, Inc. (NYSE: MSIF) ("MSC Income" or the "Fund") is pleased to announce the closing of a private notes offering totaling $150.0 million in aggregate principal amount (the "Notes"). The Notes are unsecured and bear interest at a fixed rate of 6.34% per year, payable semiannually, mature on May 31, 2029 and may be redeemed in whole or in part at any time or from time to time at MSC Income's option at par plus accrued interest to the prepayment date and, if applicable, a make-whole premium.