Boardwalk Pipeline Partners, LP (NYSE:BWP) will report its first quarter 2012 earnings on Monday, April 30, 2012. A conference call for analysts and investors will begin at 9:00 am Eastern Time and will be hosted by Boardwalk’s President and Chief Executive Officer, Stan Horton, and Chief Financial Officer, Jamie Buskill. Boardwalk will issue its earnings news release on April 30 th before the market opens. The news release and a live webcast will be available online at the Boardwalk website ( www.bwpmlp.com). Please go to the website at least 10 minutes before the event begins to register and to download and install any necessary audio software. Those interested in participating in the question and answer session of the conference call should dial (866) 202-0886 for callers in the U.S. or (617) 213-8841 for callers outside the U.S. The PIN number to access the call is 79965643. Following the call, an online replay will be available on Boardwalk’s website. About Boardwalk Pipeline Partners, LP Boardwalk Pipeline Partners, LP (NYSE: BWP) is a limited partnership engaged, through its subsidiaries, in the transportation, storage and gathering of natural gas. Boardwalk operates approximately 14,300 miles of pipeline and underground storage fields with aggregate working gas capacity of approximately 186 Bcf. Additional information about the partnership can be found on its website at www.bwpmlp.com .