Narragansett Electric Company d/b/a National Grid submits FERC Form 549D for 1st Quarter 2011.

Appendix B Revised Tariff Records (Marked) AMERICAN MIDSTREAM (MIDLA), LLC FERC Gas Tariff Seventh Revised Volume No. 1 Record: 6-Negotiated Rates Issued: April 12, 2011September 3, 2010 Version: (10.0.0) Effective: April 12, 2011September 3, 2010 Elements of Negotiated Rate Transactions Shipper Applicable Negotiated Term of Contracted Primary Primary Name Rate Rate Agreement Capacity Delivery Receipt Schedule MMBtu/d Point Point ExxonMobil FTS No fuel charge; 06/01/2010 35,000 8185 8225 Gas & Power No reservation to MMBtu/day Marketing fee; $0.01 per 06/30/2010 Company MMBtu Commodity fee for up to 35,000 MMBtu/day Mid Louisiana FTS 0.5% fuel 06/01/2010 25,000 8215 8197 Gas charge to MMBtu/day Transmission, 11/30/2012 LLC Mississippi FTS No reservation 07/01/2010 1,500 8115 8092 River Pulp, fee; $0.1519 to MMBtu/day LLC per MMBtu 06/30/2011 Commodity fee for up to 1,500 MMBtu/day DCP FTS No reservation 04/12/2011 Up to 8210 8159D Midstream fee; $0.27 per to 10,000 Marketing, MMBtu 04/30/2011 MMBtu/day LLC Commodity fee for up to 10,000 MMBtu/day. Other fees as per tariff for FTS service. The Service Agreement with DCP Midstream Marketing, LLC is a non-conforming agreement. All other These Service Agreements do not deviate from the Form of Service Agreement in any material respect. AMERICAN MIDSTREAM (MIDLA), LLC FERC Gas Tariff Seventh Revised Volume No. 1 Record: 41-GT&C Section 30 (Non-Conforming Agreements) Issued: April 12, 2011September 3, 2010 Version: (10.0.0) Effective: April 12, 2011September 3, 2010 30. NON-CONFORMING AGREEMENTS 30.1 Firm Transportation Service Agreements (a) Southern Industrial Gas Corporation (#70695), Firm Transportation Service Agreement, dated September 1, 2001 (b) Gas Utility District #1 of East Feliciana Parish (#70180), Firm Transportation Service Agreement, dated September 1, 1993 (c) Gas Utility District #2 of East Feliciana Parish (#70183), Firm Transportation Service Agreement, dated September 1, 1993 (d) Louisiana Gas Service (#70126), Firm Transportation Service Agreement, dated September 1, 1993 (e) Mississippi Gas Corp. (#70132), Firm Transportation Service Agreement, dated September 1, 1993 (f) Sicily Island Gas Company (#70189), Firm Transportation Service Agreement, dated September 1, 1993 (g) Trans Louisiana Gas Company (successor-in-interest to Long Gas Company) (#70123), Firm Transportation Service Agreement, dated September 1, 1993 (h) United Hardwood LLC (successor-in-interest to Roger's Lumber International) (#70162), Firm Transportation Service Agreement, dated September 1, 1993 (i) DCP Midstream Marketing, LLC (#71679), Firm Transportation Service Agreement, dated April 12, 2011 30.2 No-Notice Transportation Service Agreements (a) Gas Utility District #1 of East Feliciana Parish (#70181), No- Notice Transportation Service Agreement, dated September 1, 1993 (b) Gas Utility District #2 of East Feliciana Parish (#70184), No- Notice Transportation Service Agreement, dated September 1, 199