FEBRUARY 15, 2013 — GulfMark Offshore, Inc. (NYSE:GLF) yesterday announced managerial retirements and promotions.

Mr. David Butters, Chairman of the Board of GulfMark Offshore, announced that Bruce Streeter has elected to retire from the Company as an officer and director effective at our Annual Stockholders Meeting on June 4, 2013.

Mr. Streeter has led the company for 23 years since its inception as President and Chief Executive Officer. The Board thanked him for his years of service during which the company grew from 11 ships to its current fleet of 70 ships. Mr. Butters said, "We all are indebted to Bruce for his many years of contributions. He has postured the Company as an effective global provider of offshore services."

Mr. Butters said that Chief Financial Officer Quintin Kneen would assume the additional role of President and Chief Executive Officer. Mr. Kneen has served GulfMark in various capacities since he joined the Company in 2008.

David Rosenwasser was named as the Senior Executive Vice President and Chief Operating Officer.

Mr. Butters continued, "We are excited about the management talent and the growth potential for our business. We have positioned ourselves with an experienced team that can lead our company for years to come."