--------------------------------------------------------------------------------

EXHIBIT A

AMENDMENT NO. 4
TO THE
GULFMARK OFFSHORE, INC.
1997 INCENTIVE EQUITY PLAN

 
Pursuant to the terms and provisions of Article 6 of the GulfMark Offshore, Inc.
1997 Incentive Equity Plan (the “Plan”), GulfMark Offshore, Inc., a Delaware
corporation (the “Company”) hereby adopts the following Amendment No. 4 to the
Plan (the “Amendment No. 4”).
 

 
ARTICLE I.  AMENDMENTS TO THE PLAN

 
1.01           The last sentence of Section 1.2 of the Plan is amended to read
as follows:
 
Awards may also be granted to replace awards under a plan or arrangement of a
business entity, all or a portion of which is acquired by the Company or a
Related Company.
 

 
ARTICLE II.  ADOPTION OF AMENDMENT

 
2.01.                      Each amendment made by this Amendment No. 4 to the
Plan has been effected in conformity with the provisions of the Plan.  This
Amendment No. 4 was adopted by the Board of Directors of the Company on March
20, 2008.
 

 
Dated: March 20, 2008
 
 
GulfMark Offshore Inc.
 
 
By:                           /s/ Edward A.
Guthrie                                              
Name:                      Edward A. Guthrie
Title:                        Executive Vice President – Finance and Secretary

 

1
 
 

--------------------------------------------------------------------------------