To:  Transco Shippers, Operators and Interconnecting Parties 

Subject:  Transco Contacts Summary

We are always eager to hear from you and willing to provide the assistance necessary to ensure you, the customer, have your questions resolved as quickly as possible and are provided the help required on both day-to-day and long-term issues.  If you should need to contact a representative within the Transco organization, please use the following summary as a guide to determine the best group to contact.  Specific representatives within each group, phone numbers and email addresses are also provided in the attached link. Marketing  Services Contacts

Access to this information can be obtained by going to http://www.1line.williams.com, selecting Transco Informational Postings from the left navigation menu and then choosing Marketing Services Contacts or from the Informational Postings page scroll down to Contacts and click on “Who Should I Contact”.

Existing and future transportation customers as well as power generators, industrials and other end-users seeking to attach to Transco, please contact a representative in one of the following areas:

· Production Area including zones 1, 2 and 3: Manager: Dick Szepe dick.szepe@williams.com

· Transmission business development in both the Northern and Southern Market. Area: Manager: Tom Compson tom.j.compson@williams.com

· LNG related opportunities, development of new capacity in the Production Area and storage expansion: Manager:  Joan Harris joan.a.harris@williams.com

Existing and future transportation customers requiring assistance with firm transportation contract administration, capacity release, market area interconnects, and applicable operational balancing agreements, please contact a representative in either the Northern or Southern Customer Services Group.  Managers:  Hector Alatorre hector.x.alatorre@williams.com and Larry Cunningham larry.c.cunningham@williams.com

Existing and future Condensate Transportation and Liquefiable Transportation customers requiring assistance, please contact a representative in the Production Area Customer Services Group.  Manager: Dick Szepe dick.szepe@williams.com

Existing and future transportation customers requiring assistance with interruptible transportation contract administration, nominations, scheduling, confirmations, allocations, imbalance trading, or invoicing, please contact a representative in the Transportation Services group. Managers:  Keith Higginbotham keith.a.higginbotham@williams.com and Linette Schneider linette.c.schneider@williams.com

For measurement related questions, please contact a representative in the Gas Monitoring and Analysis Group. Manager:  John McGrath john.e.mcgrath@williams.com

For questions on pipeline conditions, constraints, OAC or assistance with 1Line, please contact the Scheduling Desk by either calling 1-888-210-8475, 713-215-2255 or emailing wgphouts-schedulingdesk@williams.com. Managers:  Keith Higginbotham keith.a.higginbotham@williams.com and Linette Schneider linette.c.schneider@williams.com

All existing and future customers with credit related issues, please contact a representative in the WGP Credit Department.  Manager:  Leldon Walenta leldon.l.walenta@williams.com

For PIPELINE EMERGENCIES such as gas leaks, pipeline rupture, etc. please call Gas Control, 24 hours a day, at 1-713-215-2550, 1-800-440-8475 or 1-800-231-1290. Manager:  Rich Truxell richard.w.truxell@williams.com

Date Posted: 06/29/2010