**ENDORSEMENT # 22**
**EFFECTIVE: 5/21/77**

**PROFESSIONAL LIABILITY EXCLUSION**

IT IS AGREED THAT SUCH INSURANCE AS IS AFFORDED BY THE POLICY SHALL NOT APPLY TO ANY ERROR OR OMISSION, MALPRACTICE OR MISTAKE OF A PROFESSIONAL NATURE COMMITTED OR ALLEGED TO HAVE BEEN COMMITTED BY OR ON BEHALF OF THE ASSURED IN THE CONDUCT OF ANY OF THE ASSURED'S BUSINESS ACTIVITIES.

ALL OTHER TERMS AND CONDITIONS REMAIN UNCHANGED.
THIS ENDORSEMENT IS ATTACHED TO AND MADE A PART OF M836632 OF THE MISSION INSURANCE COMPANY.

ISSUED TO: INTERNATIONAL BUSINESS MACHINES CORP.
DATED AT: NEW YORK, NEW YORK
DATE: MAY 20, 1977

SAYRE & TOSO, INC.
BY: Robert Mann