Southern Union Company Acknowledges Receipt of Revised Proposal from The Williams Companies, Inc.

Southern Union Company SUG today confirmed receipt of a revised proposal by The Williams Companies, Inc. WMB to acquire all of the outstanding shares of Southern Union for $44.00 per share in cash. Southern Union will review the proposal, consistent with its fiduciary duties and its obligations under its revised merger agreement with Energy Transfer Equity, L.P. ETE announced July 5, 2011. At this time, the Board reaffirms its recommendation of the existing ETE merger agreement.