On February 15, 2013, Regency Gas Services LP, the lenders, Wells Fargo Bank, N.A., as administrative agent for the lenders and as collateral agent for the secured parties, Wells Fargo Bank, N. A and Bank of America, as issuing banks, Wells Fargo Bank, N.A, as swingline lender, and the other arrangers and agents party thereto entered into an Amendment Agreement No. 4 to the Fifth Amended and Restated Credit Agreement, effective as of March 4, 2010, among the Borrower, the Partnership and other guarantors named therein, the joint lead arrangers and joint bookmanagers, the administrative agent, the syndication agents, the collateral agent, the co-documentation agents and the lenders. The Fourth Amendment, among other things: amends the definition of “Material Project” in the Credit Agreement to include certain Lone Star NGL projects and a certain Ranch Westex JV LLC project; and increases the limitation in the Credit Agreement on aggregate pro-forma additions to consolidated EBITDA attributed to Material Projects from 15% to 20%.