A. We will have no duty to defend any "suit" against the "insured". We will, however, have the right, but not the duty, to participate in the defense of any "suit" and the investigation of any claim to which this policy may apply. If we exercise this right, we will do so at our own expense.

C. Section IV. LIMITS OF INSURANCE is amended to include the following additional provision:

For the purpose of this endorsement only, the Self-Insured Retention applies whether or not there is any available Scheduled "underlying insurance" or "other insurance." If there is "underlying insurance" or "other insurance" applicable to the loss, amounts received through such "underlying insurance" or "other insurance" may be applied to reduce or exhaust the Self-Insured Retention.

For the purpose of this endorsement, the following definition is added:

"Defense expenses" means any payment allocated to a specific "loss", claim or "suit" for its investigation, settlement or defense, including but not limited to:

1. attorney's fees and all other investigation, loss adjustment and litigation expenses;
2. premiums on bonds to release attachments;
3. premiums on appeal bonds required by law to appeal any claim or "suit";
4. costs taxed against the "insured" in any claim or "suit";
5. pre-judgment interest awarded against the "insured"; and
6. interest that accrues after entry of judgment

"Industrial aid aircraft" means aircraft with a maximum passenger capacity of twenty (20) persons (including crew) used solely for business travel of "employees" and their non fee paying passenger guests.

All other terms and conditions of this policy remain unchanged.