AMENDMENT

EXHIBIT 10(d)

Contract No: 24350

Amendment No: 04

AMENDMENT

Date Mar 09, 2000

"Transporter": ANR PIPELINE COMPANY

"Shipper": THE PEOPLES GAS LIGHT & COKE COMPANY

Shipper and Transporter have agreed to amend XXX-0 Xxxxxxxx Xx. 00000 dated Sep 20, 1995 ("Agreement") to terminate this Agreement effective March 31, 2000.

THE PEOPLES GAS LIGHT & COKE COMPANY

"Shipper"

By: /s/ Xxxxxxx X. Xxxxxx

Title: Executive Vice President

Date: July 13, 2000

ANR PIPELINE COMPANY

"Transporter"

By: /s/ Xxxx X. Xxxxxxxxx, Xx.

Title: Vice President

Date: August 04, 2000