0000950157-08-000108 Sample Contracts

Exhibit A This document constitutes part of a prospectus covering securities that have been registered under the Securities Act of 1933. STOCK UNIT AGREEMENT
Stock Unit Agreement • February 1st, 2008 • Lazard LTD • Investment advice • New York

THIS AGREEMENT, dated as of January 29, 2008, between Lazard Ltd, a Bermuda exempted company (the “Company”), on behalf of its applicable Affiliate (as defined under the definitional rules of Section 1(a) below), and Bruce Wasserstein (the “Employee”).