# Northbrook Insurance Company
Northbrook, Illinois

## Endorsement

**Named Insured:** International Business Machines Corp.
**Policy No.:** 63-003-053
**Endorsement No.:** 11

In consideration of the premium charged, it is agreed that Endorsement #7 is deleted in its entirety and replaced by the following:

In consideration of the premium charged, it is agreed that the named insured includes 425 Market Street Associates but only as respects the interest of International Business Machines Corp.

It is further agreed that Endorsement #8 is deleted in its entirety.

This endorsement to take effect on the 21st day of May 1977. All other terms and conditions remain unchanged.

Countersigned: September 14, 1977
Authorized Representative: Richard [Signature]