This Agreement contains all of the understandings and agreements between and among the Partners with respect to the subject matter of this Agreement and the rights, interests and obligations of the Partners with respect to the Partnership. Notwithstanding any provision in this Agreement or any Unit Designation to the contrary, including any provisions relating to amending this Agreement, the Partners hereby acknowledge and agree that the Managing General Partner, without the approval of any Partner, may enter into side letters or similar written agreements with Partners that are not Affiliates of the Managing General Partner, executed contemporaneously with the admission of such Partner to the Partnership, which may have the effect of establishing rights under, or altering or supplementing the terms of, this Agreement or any Unit Designation, as negotiated with such Partner and which the Managing General Partner in its sole discretion deems necessary, desirable or appropriate. The parties hereto agree that any terms, conditions or provisions contained in such side letters or similar written agreements with a Partner shall govern with respect to such Partner notwithstanding the provisions of this Agreement.