Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

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Effective Date: 02/28/2003, Docket: RP03-239-000, Status: Effective

Original Sheet No. 803 Original Sheet No. 803 : Effective

4.12 Reference Glossary. This section lists each defined term in this Agreement and cross

references that term to its definition in the Agreement.

DEFINED TERM WHERE DEFINED

Agreement Header

Data Communications Section 1.1

Digital Signature Section 1.5

Documents Section 1.1

Electronic Data Interchange, EDI Recital

Functional Acknowledgment Section 2.3.1

Parties Header

Provider Section 1.2.1

Receipt Computer Section 2.1.2

Response Document Section 2.3.4

Signed Documents Section 3.5.2

Time-c Section 2.1.1

Uniform Resource Locator, URL Section 2.1.2

Each party has caused this Agreement to be properly executed on its behalf as of the date first

above written.

Company Name: _________________ Company Name: ______________________

By: ___________________________ By: ________________________________

Name: _________________________ Name: ______________________________

Title: ________________________ Title: _____________________________