AMENDMENT TO TRANSITIONAL OPERATING AGREEMENT
This Amendment to Transitional Operating Agreement (the “Amendment”) is made and entered into
effective as of March 5, 2009, by and between CENAC TOWING CO., L.L.C. (successor by way of
merger to Cenac Towing Co., Inc.), (hereinafter referred to as “Cenac Towing”); CENAC OFFSHORE,
L.L.C., a Louisiana limited liability company (“Cenac Offshore”); CTCO BENEFITS SERVICES, L.L.C., a
Louisiana limited liability company (“CTCO”) (collectively, the “Cenac Companies”); MR. ARLEN B.
CENAC, JR., a resident of Houma, Louisiana and the owner of all of the Membership and equity interests in the
Cenac Companies, (the “Stockholder”); and together with the Cenac Companies, (the “Operators”); and
TEPPCO MARINE SERVICES, LLC, a Delaware limited liability company, (the “Owner”).
WHEREAS, the Owner and the Operators, other than CTCO, entered into a Transitional Operating
Agreement (the “Transitional Operating Agreement”) on February 1, 2008 under which the Operators agreed to
provide certain services relating to marine vessels and related property all as more particularly described in that
Transitional Operating Agreement;
WHEREAS, the Owner and the Operators, including CTCO, desire to amend the Transitional
Operating Agreement to make CTCO a party thereto as one of the Operators and as one of the Cenac
NOW THEREFORE, in consideration of the premises and the mutual benefits to be derived by each
party hereto, the parties hereto agree as follows:
The term “Cenac Companies” as defined in the Transitional Operating Agreement is hereby
amended to include CTCO as one of the Cenac Companies.
The term “Operators” as defined in the Transitional Operating Agreement is hereby amended to
include CTCO as one of the Operators.
All of the rights, duties and obligations of the Transitional Operating Agreement that apply to the
Cenac Companies and the Operators shall her