# SCHEDULE A - SCHEDULE OF UNDERLYING INSURANCE (SUPPLEMENTAL)

| Carrier, Policy Number and Period | Type of Coverage | Limits of Insurance |
|----------------------------------|------------------|---------------------|
| 1. First Underlying Insurance: | | |
| ACE Property & Casualty Insurance Company | Umbrella Liability Shared Limit* | $50,000,000 Each Occurrence Limit<br>$50,000,000 General Aggregate Limit<br>$50,000,000 Products - Completed Operations Aggregate In Excess of Primary Limits |
| XOO G25915951<br>05/21/12 To 05/21/13 | | |
| Or | | |
| ACE INA Insurance Company | Umbrella Liability (IBM Canada Ltd.) Shared Limit* | $1,000,000 Each Occurrence Limit<br>$1,000,000 Aggregate Limit (Where Applicable) In Excess of Primary Limits |
| XBC 323508<br>05/21/12 To 05/21/13 | | |
| *As per the non-pyramiding of limits endorsement attached to each of the above policies, the total limits of insurance under both policies combined shall be $50,000,000 | | |

GAI 6008 (Ed. 06/97) PRO (Page 1 of 5)