MES International, Inc., et al.

Important Dates

Date/Deadline	Event
January 8, 2010	Voting Record Date
January 8, 2010	Approval of Disclosure Statement
February 16, 2010	Voting Deadline (4:00 PM Eastern Standard Time)
May 24, 2010	Objection Deadline (4:00 PM Eastern Standard Time)
May 27, 2010	Confirmation Hearing
May 27, 2010	Confirmation Date
July 23, 2010	Effective Date

Notice of Occurrence of Effective Date

Order Confirming Final Fourth Modified Joint Chapter 11 Plan of Reorganization of for MES International, Inc., GSI Group Inc. and GSI Group Corporation

Final Fourth Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group, Inc., and GSI Group Corporation

Final Fourth Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group, Inc. and GSI Group Corporation

Exhibit A - Glossary of Terms
Exhibit B - Plan Documents

Fourth Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group, Inc., and GSI Group Corporation

Fourth Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group, Inc. and GSI Group Corporation

Exhibit A - Glossary of Terms
Exhibit B - Plan Documents

Third Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group, Inc., and GSI Group Corporation

Third Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group, Inc. and GSI Group Corporation

Exhibit A - Glossary of Terms
Exhibit B - Plan Documents
Exhibit C - Term Sheet for New Preferred Shares

First Amended Plan Supplement in Support of the Third Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group Inc. and GSI Group Corporation

Second Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group, Inc., and GSI Group Corporation

Second Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group, Inc. and GSI Group Corporation

Exhibit A - Glossary of Terms
Exhibit B - Articles of Reorganization, New Warrant, New Indenture and New Senior Secured Notes, Plan Support Agreement, Registration Rights Agreement, Security Agreement
Exhibit C - Term Sheet

Corrected Plan Supplement in Support of the Second Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group Inc. and GSI Group Corporation Dated March 16, 2010

First Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group, Inc., and GSI Group Corporation

Disclosure Statement Relating to the First Modified Joint Chapter 11 Plan of Reorganization for MES International, Inc., GSI Group Inc., and GSI Group Corporation