shares of moneygram international inc rose sharply tuesday after the paymentservices company agreed to be acquired by privateequity firm madison dearborn partners llc for about 1 billion in cash moneygram investors will receive 11 a share in the deal a 23 premium to mondays closing price of 895 and nearly 50 above the dallas companys trading price before rumors of madison dearborns interest surfaced moneygram said the deal includes a 30day goshop period during which it can solicit other offers us regulators in 2018 blocked a 12 billion acquisition of moneygram by chinas ant financial services citing national security concerns rival western union reportedly made a bid for moneygram in 2020 but no deal came to fruition chicagobased madison dearborn said it plans to refinance moneygrams nearly 800 million in debt giving the transaction a total value of 18 billion the deal is slated to close by the end of the year moneygram shares were recently changing hands at 1052 up 175