SENDER : COMPLETE THIS SECTION

I ∎ Complete items 1, 2, and 3 . Also complete

I

item 4 if Restricted Delivery is desired.

∎ Print your name and address on the reverse

so that we can return the card to you

.

I ∎ Attach this card to the back of the mailpiece,

or on the front if space permits

.

ORIGINAL

1 . Article Addressed to: 1/26/07 B .M .

PCB 2006-171

United States Steel Corporation

Granite City Works

c/o National Registered Agent,

Inc .

200 West Adams Street

Chicago, IL 60606

j 2 . Article Number

(ua sterfomservicelabel)

7001 1140 0002 7469 0749

PS Form 3811, February 2004

RECEIVEDCLERK'S

OFFICE

FEB 0 7 2007

Pollution

STATE OF

Control

ILLINOISBoard

Domestic Return Receipt

D. 1 delivery address different from item 1?

O Yes

If YES, enter delivery address below

:

13 No

102595-02-M-l540

3

ice Type

INed Mail a Express Malt

Registered

Cl

Return Receipt for Merchandise

O Insured Mall O C .O.D.