EXHIBIT 10.3 IVAX CORPORATION 1997 EXECUTIVE RETENTION PLAN SUPPLEMENT The following Supplement to the Corporation's 1997 Executive Retention Plan is applicable to the employee designated below and sets forth the definitions of Benefit Period, Retention Period and Separation Pay under the Plan with respect to such employee. Capitalized terms used but not defined in this Supplement have the meanings given to them in the Plan. This Supplement is not valid unless executed by the Corporation's President or Vice President, Human Resources. Eligible Participant Position Benefit Period Three years Retention Period Three years Separation Pay 3.00 times the higher of (i) the Eligible Participant's base annual salary at the time of termination, or (ii) the highest annual compensation in the form of base salary plus bonus paid to the Eligible Participant by the Corporation or a Subsidiary during any of the three calendar years preceding the date of termination. Authorized: Date: March 31, 1997 --------------------------------- Edward J. O'Brien Vice President, Human Resources IVAX Corporation