X0303 4 2010-07-23 1 0001076930 GSI GROUP INC LASR.PK 0001199697 BLACK RICHARD B C/O GSI GROUP INC. 125 MIDDLESEX TURNPIKE BEDFORD MA 01730-1409 1 0 0 0 Common Stock 2010-07-23 4 J 0 25007 0 D 0 D Common Stock 2010-07-23 4 A 0 127279 0 A 127279 D Common Stock 2010-07-23 4 M 0 39083 1.8 A 166362 D Subscription Rights (right to buy) 1.8 2010-07-23 4 M 0 39083 1.8 A 2010-07-07 2010-07-23 Common Stock 39083 39083 D On July 23, 2010 (the "Effective Date"), the Final Fourth Modified Joint Chapter 11 Plan of Reorganization for MES International Inc. ("MES"), GSI Group Inc. (the "Company") and GSI Group Corporation ("GSI" and, collectively with MES and the Company, the "Debtors"), as confirmed by the United States Bankruptcy Court for the District of Delaware on May 27, 2010 (the "Plan"), became effective and the Debtors emerged from Chapter 11 protection. In connection with the Plan, (i) all common shares and vested share rights of the Company that were outstanding prior to the Effective Date (collectively, the "Old Common Shares") were cancelled and (ii) new common shares of the Company, as reorganized ("New Common Shares"), were issued to holders of such Old Common Shares under the Final Plan on a one-for-one basis, subject to a 6.165% escrow as contemplated in the Plan. Includes 79,033 New Common Shares issued in exchange for certain vested share rights of the Company and 23,465 New Common Shares issued in exchange for Old Common Shares held by the Reporting Person. Pursuant to the rights offering contemplated under the Plan, the Reporting Person elected to subscribe for New Common Shares of the Company at a pruchase price of $1.80 per New Common Shares. In connection with such election, the Company issued 39,083 New Common Shares to the Reporting Company on the Effective Date of the Plan. Anthony J. Bellantuoni, Attorney-in-Fact 2010-07-27