Priced public offering of 6.5 million common units, representing limited partner interests, at $30.75 each. Underwriters granted monthlong option to purchase 975,000 additional units. Offering scheduled to close May 13. Net proceeds will pay part of purchase price for pending acquisition of Polar Midstream LLC and Epping Transmission Co. LLC interests. Barclays, BofA Merrill Lynch, Goldman Sachs & Co., Morgan Stanley, Wells Fargo Securities LLC, Baird, Citigroup, Deutsche Bank Securities Inc. and RBC Capital Markets are joint book-running managers. BB&T Capital Markets and U.S. Capital Advisors are co-managers.