 NEW YORK--BUSINESS WIRE--Steel Partners Holdings L.P. NYSE: SPLP, a diversified global holding company, today announced that its board of directors has declared a regular quarterly cash distribution of .375 per unit, payable March 15, 2021, to unitholders of record as of March 1, 2021, on its 6 Series A Preferred Units, no par value Series A Preferred. Any future determination to declare distributions on its units of Series A Preferred, and any determination to pay such distributions 