**Insured:** INTERNATIONAL BUSINESS MACHINES CORPORATION  
**Policy No.:** XLUMB-00704  
**Endorsement No.:** 11  
**Effective Date:** MAY 21, 1997  

**Page 4 of 4**

**CHANGE OF LIMIT, RETENTION AND/OR RETROACTIVE COVERAGE DATE ENDORSEMENT CONT'D.**

**Coverage B for Discontinued Layer(s)**

**(a) Limit in respect of each Occurrence or Claim:** N/A  
**(b) Per Occurrence Retention Amount:** N/A  
**(c) Premium for discontinued layer(s) for Annual Period commencing immediately prior to Effective Date (for purpose of calculating future Coverage B premium):** N/A  

**Premium**

*Additional premium (refund) for limit(s) /retention(s) /retroactive date change(s) under paragraph 1:*
N/A  

*Coverage B premium under paragraph 4:*
N/A  

**X.L. INSURANCE COMPANY, LTD.**

By:  
**LYLE MCCOY**  

Title: **VICE PRESIDENT**  

Date: **JUNE 30, 1997**  

Ref: XS4-126.01  

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