SCHEDULE "H"

SPECIFICATIONS, PROCEDURES AND DRAWINGS

Attached to and forming part of Contract No. 9009between the Company and the Contractor

The list below shows the Specifications and Procedures to be used as part of the Contract.If any Specification is updated prior to construction of the Facility, the latest version of the Specification will apply.The Specifications and Procedures listed in this Schedule are issued in CD format.

Mandatory Specifications

Title Rev # Date

ConstructionTES-VALV-FAB PROCEDURE FOR SUPPLEMENTARY PROTECTION DURING VALVE FABRICATION (Cdn-US-Mex) 0 10/14/2009

TES-PROJ-EXC EXCAVATION SPECIFICATION (Cdn-US-Mex) 01 2011/01/14

ONE CALL / LOCATING & MARKING PROCEDURES (US) 3 6/26/2009

Welding

TES-WELD-AS-US WELDING OF ASSEMBLIES AND STATION PIPING 01 2009/11/25TES-WELD-ABR-US REMOVAL OF ARC BURNS (NEW AND EXISTING PIPING FACILITIES) (US-Mex) 02 2010/03/12

TEP-WELD-CLOS CLOSURE WELD PROCEDURE 02 2010/01/11TEP-WELD-DEMAG DEMAGNETIZATION OF PIPE ENDS IN PREPARATION FOR A TIE-IN WELD 00 2010/06/11

TES-NDT-UT2-US MANUAL ULTRASONIC EXAMINATION OF WELDS 0 2008/02/20

CoatingTES-COAT-EPU EXTERNAL MULTI-COMPONENT LIQUID COATING SYSTEMS FOR BELOW GROUND FACILITIES (Cdn-US-Mex) 06 2010/06/30TES-COAT-PET COATING APPLICATION PROCEDURE FOR PETROLATUM COATING (Cdn-US) 01 2009/05/25TES-COAT-ABR EXTERNAL COATING SYSTEMS FOR ABRASIVE CONDITIONS (Cdn-US-Mex) 02 2010/06/30TES-COAT-FBE EXTERNAL FUSION BOND EPOXY FOR STEEL PIPE(Cdn-US-Mex) 04 2010/11/30TES-COAT-P1 PAINT SYSTEMS FOR ABOVE GROUND FACILITIES (NON-COASTAL) (Cdn-US-Mex) 06 2010/07/07TES-COAT-CAD COATING APPLICATION PROCEDURE FOR THERMITE WELD COATING (Cdn-US) 02 2009/11/30

Contract No. 9009, Schedule “H” Page 1 of 3Engineering, Procurement and Construction – Guadalajara CompressionIssued March 2011

Pressure Testing

TES-HYDRO-HTS-US HYDROSTATIC TESTING SPECIFICATION 01 2010/12/15

Cathodic ProtectionTES-CP-CS CATHODIC PROTECTION CONSTRUCTION SPECIFICATION (Cdn-US) 04 2009/10/15TES-CP-MS CATHODIC PROTECTION MATERIALS SPECIFICATIONS (Cdn-US) 04 2009/10/15

TES-CP-IV MITIGATION OF INDUCED AC VOLTAGE EFFECTS (Cdn-US) 02 2009/10/15

Material and EngineeringTES-FITG-T01-US INSTRUMENT TUBE FITTING, INSTRUMENT PIPE FITTING AND TUBING MATERIAL SPECIFICATION 0 2007/04/30TEP-MECH-TRAN-US SELECTION OF TRANSITION PIECES AND JOINING METHODS 00 2009/10/15

TES-DV31-2333 EXCAVATION, BACKFILLING AND GRADING 00 2009/12/10

TED-2100-SITE DIRECTIVE FOR SITE PLANNING 00 2010/10/15

Other Specifications - Contractor may choose to follow Company Specification or provide alternative for Company review and approval

Title Rev # Date

TED-2600-GRDS DIRECTIVE FOR GROUNDS AND ROADS 00 2010/10/15

TEF-COAT-UG UNDERGROUND COATING REPORT FORM (Cdn-US-Mex) 1 2/5/2010

TEF-COAT-AG ABOVEGROUND COATING REPORT FORM (Cdn-US-Mex) 0 2/15/2010TEF-HYDR-FRM-US DRAWINGS AND FORMS REQUIRED WHEN COMPLETING A HYDROSTATIC TEST (EMBEDDED DOCUMENTS) 0 6/8/2007TEP-HYDR-CAL-US HYDROSTATIC TEST CALCULATIONS, FORMULAS, CONVERSIONS, TEMP VS. PRESS EFFECTS (EMBEDDED DCOUMENTS) 1 6/29/2007

TEF-MECH-TRAN-US TRANSITION INSPECTION REPORT 0 10/12/2009TES-WELD-STRU-US WELDING PROCEDURE SPECIFICATION FOR SHIELDED METAL ARC WELDING ON STRUCTURAL STEEL 0 6/15/2007TED-WELD-STRU-US WELDING ENGINEERING STANDARD FOR STRUCTURAL STEEL 0 6/15/2007

TEP-PROJ-LTO PROJECT LEAVE TO OPEN PROCEDURE 3 6/30/2005TES-DV02-500-US FOUNDATION AND UNDERSLAB DRAINAGE, DIVISION 02, SITE WORK 0 3/16/2007

TES-DV03-100-US CONCRETE FORMWORK, DIVISION 03, CONCRETE 0 3/16/2007

TES-DV03-200-US CONTRETE REINFORCEMENT, DIVISION 03, CONCRETE 0 3/16/2007

Contract No. 9009, Schedule “H” Page 2 of 3Engineering, Procurement and Construction – Guadalajara CompressionIssued March 2011

TES-DV03-300-US CAST-IN-PLACE CONCRETE, DIVISION 03, CONCRETE 0 3/16/2007

TES-DV03-610-US GROUTING OF HEAVY MACHINERY 0 3/16/2007

TES-DV05-120-US STRUCTURAL STEEL, DIVISION 05, METALS 0 3/16/2007

TES-DV05-500-US MISCELLANEOUS METALS, DIVISION 05, METALS 0 3/16/2007

FLANGE BOLT TIGHTENING PROCEDURES 4 3/11/2009

TEP-NDT-ADT PROCEDURE FOR NON-DESTRUCTIVE EXAMINATION AUDITS 0 11/30/2004TEP-VOPR-GH-US GAS HYDRAULIC VALVE OPERATOR CONTROL PACKAGES AND FUNCTIONAL APPLICATIONS 0 6/8/2007TEP-DRFT-G18 ENGINEERING DRAWINGS AS-BUILDING PROCEDURE(Cdn-US-Mex) 00 2010/08/16

FIRE AND SAFETY EQUIPMENT INSTALLATION PROCEDURE 00 2011/03/29

Drawings (Provided by Contractor)

Item Drawing Number Drawing Title

1 7917-I-DW-001-001 - Revision ACompression Station SCADA and Telecommunication Scope of Work Schematic

2 7917-P-LY-001-001 Revision AArreglo General – Tuxpan, Compressor Station 1a Fase (Layout 1st Phase)

3 7917-P-LY-001-002 Revision AArreglo General – Tuxpan, Compressor Station 2a Fase (Layout 2nd Phase)

4 7917-P-LY-001-003 Revision AArreglo General – Tuxpan, Compressor Station Fase Final (Layout Final Phase)

5 7917-R-FD-001-001 Revision A Diagrama de Flujo de Proceso (Process Flow Diagram)

6 7917-R-DP-001-001 Revision ADiagrama de Tuberias e Instrumentos – Simbolos (1 de 2) (Piping and Instrumentation Diagram – Symbols (1 of 2))

7 7917-R-DP-001-002 Revision A Diagrama de Tuberias e Instrumentos – Simbolos (2 de 2) (Piping and Instrumentation Diagram – Symbols (2 of 2))

8 7917-R-DP-001-003 Revision A  Diagrama de Tuberias e Instrumentos – Filtracion (2 de 2) (Piping and Instrumentation Diagram – Filtration (2 of 2))

9 7917-R-DP-001-004 Revision A Diagrama de Tuberias e Instrumentos – Compresores De Gas (Piping and Instrumentation Diagram – Gas Compressors)

10 7917-C-DT-001-001 Revision A Plano Terracerias (Grading Plan)

Contract No. 9009, Schedule “H” Page 3 of 3Engineering, Procurement and Construction – Guadalajara CompressionIssued March 2011