**ENDORSEMENT OFFICE TREATY NO. 4**

For attachment to Contract No. X-3106 between INTERNATIONAL BUSINESS MACHINES CORPORATION and GENERAL REINSURANCE CORPORATION. Effective date of this Endorsement: July 1, 1964.

From 12:01 o'clock A. M. Standard Time of the above effective date it is understood and agreed that the Contract of which this Endorsement forms a part is hereby amended in the following particulars:

In consideration of an additional premium in the amount of $12,000.00, it is hereby agreed this certificate is extended for a further period to expire on July 1, 1967.

Nothing herein contained shall vary, alter or extend any agreement, provision, general condition or declaration of the Contract other than as above stated.

In Witness Whereof, the GENERAL REINSURANCE CORPORATION has caused this Endorsement to be signed by its President and Secretary at New York, New York, but the same shall not be binding upon the Reinsurer unless countersigned by another officer of the Reinsurer.

**T. O. Allibone**  
Secretary

**R. B. Berdlock**  
President

Countersigned at New York, New York this 19th day of June, 1964.

GENERAL REINSURANCE CORPORATION

Vice President—Assistant Secretary