Priced a public offering of 7 million of its common units representing limited-partner interests at $62.81 per unit. The company plans to use net proceeds to fund capex and for other general partnership purposes, including a portion of the cash consideration for its acquisition of the Laser Northeast Gathering System. Williams will make a cash contribution to Williams Partners to maintain its 2% general-partner interest. Barclays Capital, Citigroup, Goldman, Sachs & Co., Morgan Stanley, UBS Investment Bank, and Wells Fargo Securities are joint book-running managers. BofA Merrill Lynch, Credit Suisse, Deutsche Bank Securities, JP Morgan, and RBC Capital Markets are co-managing underwriters.