Third Coast Midstream's W9 Forms for Our Operating Entities

W-9 Lighthouse Midstream Services, LLC
3CM Montegut, LLC
American Midstream (Alabama Gathering), LLC
American Midstream (Burns Point), LLC
American Midstream Chatom, LLC
American Midstream Delta House, LLC
American Midstream Emerald, LLC
American Midstream, LLC
American Midstream Marketing, LLC
American Midstream Mesquite, LLC
American Midstream (Mississippi), LLC
American Midstream Offshore (Seacrest), LP American Midstream Transtar Gas Processing, LLC
American Panther, LLC
AMID Merger GP II, LLC

Third Coast/Lighthouse Vendor Letter