COLUMBIA GAS TRANSMISSION CORPORATION
                        NOTICE TO ALL INTERESTED PARTIES
                                  MAY 31, 2001

Notice ID: 2767
5 - NO RESPONSE REQUIRED

SUBJECT:  WEEKEND/LATE DUTY CONTACTS-CUSTOMER SERVICES

Individuals from the following teams will be on duty (from 8:00 a.m. until
10:00 p.m.) in Customer Services on Saturday, June 2 and Sunday, June 3, 2001:

NOMINATIONS & CONFIRMATIONS

Team 2 (Saturday only)    304-357-3704
Team 3 (Sunday only)      304-357-3701
Team 4 (Sat. and Sun.)    304-357-3703

Individuals from Team 1 (Evening Shift) will be on duty (from 2:00 p.m. to
10:00 p.m.) next week (June 4 through June 8):

NOMINATIONS & CONFIRMATIONS

Team 1                    304-357-3708

Please note that the Columbia Navigator system is unavailable every Sunday from
11:00 p.m. until Monday at 6:00 a.m. for routine system maintenance.

If you have any questions, please contact your Account Representative.