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**Insured:** INTERNATIONAL BUSINESS MACHINES CORPORATION  
**Policy No.:** XLUMB-00704  
**Endorsement No.:** 10  
**Effective Date:** MAY 21, 1997

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**COVERAGE "A" EXTENSION AND INCORPORATION OF SCHEDULES BY REFERENCE ENDORSEMENT**

1. In consideration of the additional premium stated below, it is hereby agreed that Coverage A of the Policy is extended for another Annual Period commencing at 12:01 A.M. prevailing time at the address of the Named Insured on the Extension Date listed below. Except if a Change of Limit and/or Retention Endorsement is issued and as indicated on any such endorsement, all other limitations, terms, exclusions and conditions of the Policy remain unchanged, including, without limitation, paragraph (1) of Section VI. R regarding automatic reinstatement of the aggregate limit of liability set forth in Item 2(b) of the Declarations.

2. Schedules A, B and C dated as of the date(s) listed below are hereby incorporated by reference and shall be deemed to be attached to the Policy; provided, however, that if the Named Insured has not provided an up-to-date Schedule B prior to the issuance of this Endorsement, (i) the Named Insured covenants to provide such an updated Schedule B, completed in accordance with applicable instructions, as soon as is practicable, which schedule automatically shall be incorporated by reference and deemed to be attached to the Policy, and (ii) the Named Insured warrants and represents that it has arranged for replacement insurance (excess but not primary) with coverage at least as broad and limits at least as great as the insurance listed on the most recent Schedule B supplied to the Company in respect of this Policy and covenants that such replacement insurance will be listed on the updated Schedule B to be provided as set forth above.

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**Additional Premium:** $575,000  
**Extension Date:** MAY 21, 1997 - MAY 21, 1998  
**Schedule A Date:** DATE SIGNED - APRIL 21, 1997  
**Schedule B Date:** TO BE AGREED  
**Schedule C Date:** DATE SIGNED - APRIL 21, 1997

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Ref: XS4-031.02  
CONTD....  

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