 HOUSTON, June 21, 2021 PRNewswire -- Summit Midstream Partners, LP NYSE: SMLP Summit, SMLP or the Partnership today announced an increase to its full year 2021 financial guidance, including a new adjusted EBITDA range of 225 million to 240 million which, at the midpoint, represents an increase of 5.7 from the original guidance range of 210 million to 230 million. Management now expects total indebtedness as of June 30, 2021, net of unrestricted cash on hand, to be reduced by approximately 82 million, which is nearly 6 lower than the outstanding net debt balance as of December 31, 2020. 