Advertising and Business

Owner

INTEGRYS ENERGY GROUP, INC.

Aug 31, 2004
PEOPLES ENERGY

Transportation and storage

Owner

INTEGRYS ENERGY GROUP, INC.

Jun 20, 2000
PEOPLES ENERGY

Treatment of Materials and 2 other

Owner

INTEGRYS ENERGY GROUP, INC.

Apr 3, 2001
PEOPLES ENERGY

Transportation and storage

Owner

INTEGRYS ENERGY GROUP, INC.

Aug 15, 2000
WPS

Advertising and Business and 6 others

Owner

INTEGRYS ENERGY GROUP, INC.

Aug 14, 2001

Advertising and Business and 6 others

Owner

INTEGRYS ENERGY GROUP, INC.

Mar 6, 2001
PEOPLES ENERGY SERVICES

Computer and Scientific

Owner

INTEGRYS ENERGY GROUP, INC.

Jan 12, 1999