 HOUSTON, April 14, 2021 PRNewswire -- Summit Midstream Partners, LP NYSE: SMLP the Partnership announced today preliminary results regarding its offer to exchange the Exchange Offer its 9.50 Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units Liquidation Preference 1,000 the Series A Preferred Units tendered in the Exchange Offer for up to 2,400,000 newly issued common units representing limited partner interests in the Partnership the Common Units, which expired at 11:59 p.m., New York City time, on April 13, 2021 the Expiration Date. 