<PAGE>
EXHIBIT A
EXECUTIVE OFFICERS AND DIRECTORS OF THE AUIC COMPANIES
I. American Union Insurance Company
Directors
---------
Gregory M. Shepard, Chairman of the Board
Tracy M. Shepard, Director
Patrick F. Busch, Director
Merrick C. Hayes, Director
Mark A. Weaver, Director
Executive Officers
------------------
Gregory M. Shepard, President
Tracy M. Shepard, Executive Vice President
Fred H. Backsmeier, Vice President - Underwriting
Wm. Mark Dalton, Vice President - Claims and Secretary
II. Meridian Insurance Group Acquisition Corporation
Directors
---------
Gregory M. Shepard, Director
Tracy M. Shepard, Director
Executive Officers
------------------
Gregory M. Shepard, President
Tracy M. Shepard, Executive Vice President, Secretary