Markwest New Mexico, L. L. C.

Second Revised Volume No. 1

Effective Date: 08/01/2009, Docket: RP09-750-000, Status: Effective

First Revised Sheet No. 113 First Revised Sheet No. 113

Superseding: Original Sheet No. 113

3.10 Delivery Pressure - Transporter will operate its pipeline in a

manner that will allow receipt of the deliveries of gas at maximum

daily quantities, at a delivery pressure of 400 Psig to Shipper's

Cunningham Station and a delivery pressure of 548 Psig to

Shipper's Maddox Station (assuming a receipt pressure of 585 Psig

at the Receipt Point). Additionally, Transporter shall be

obligated to deliver quantities of gas at the Delivery Point(s) on

pressure control or flow control. The pressure on the system of

the Delivery Pipeline(s) will dictate the operating pressures on

Transporter's Pipeline facilities, and neither party is obligated

to install compression.

3.11 Atmospheric Pressure - The atmospheric pressure shall be assumed

to be 12.84 pounds per square inch absolute at the Receipt

Point(s) and Delivery Point(s), regardless of any variation from

the actual barometric pressure.

4. NOMINATIONS

4.1 For service required on any Day under each of Shipper's

Transportation Agreements, Shipper shall provide Transporter or

the Delivering Pipeline's dispatch department with a nomination(s)

providing the Shipper's Receipt Point, contract numbers, the

applicable service, the quantity of Gas to be delivered, the

Delivery Point, and such additional information as Transporter

determines to be necessary.

4.2 General Rules and Timeline - Pursuant to NAESB Standards 1.3.2

(Version 1.8), 1.3.3 (Version 1.8), 1.3.5 (Version 1.8), 1.3.6

(Version 1.8), 1.3.20 (Version 1.8), 1.3.21 (Version 1.8): The

standard nominations timeline shall be as follows:

(a) The Timely Nomination Cycle: 11:30 a.m. for nominations

leaving control of the nominating party; 11:45 a.m. for

receipt of nominations by Transporter; noon to send Quick