**Premium Computation Endorsement**

**Policy Number:** 96-58-700  
**Effective Date of Policy (Eff. Date of Pol.):** 12/31/70  
**Effective Date of End (Eff. Date of End):** 1/1/73  
**Agency No.:** 50-515=000  
**Additional Premium (Add'l. Premium):** $437,753.  
**Return Premium:** $  

**Insured:** International Business Machines Corporation

This endorsement is issued by the company named below which is the insurer under the policy designated above issued to the Named Insured and forms a part of said policy as of the effective date hereof, at the hour stated in the policy Declarations.

**Premium Computation Endorsement**

For the period January 1, 1973 to January 1, 1974, the premium for such insurance as is afforded by the Policy shall be computed by applying to each $1,000 of Workman's Compensation Payroll, the composite rate established for the Policy.

| Est. Ann. Payroll | Composite Rates | Est. Premium |
|-------------------|-----------------|--------------|
| $2,070,852,000    | .18000          | $372,753.    |
| Endorsement #13   |                 | 65,000. (Flat) |
| Total             |                 | $437,753.    |

Payable as follows:  
- Jan. 1, 1973 - $162,753.  
- Mar. 1, 1973 - $137,500.  
- Apr. 1, 1973 - $137,500.

**Johnson & Higgins**  
**RE: HK 1/12/73**

**ZURICH INSURANCE COMPANY**  
**AMERICAN GUARANTY AND LIABILITY INSURANCE COMPANY**

**Countersigned:**  
**Joyce Cits**  
**Attorney-in-Fact**  
**Authorized agent**

**IBM 062393**