ITEM 5.02 DEPARTURE OF DIRECTORS OR PRINCIPAL OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF PRINCIPAL OFFICERS.

Mesa Laboratories, Inc., a supplier of instruments and consumables for healthcare and manufacturing quality control applications, today announced the appointment of Dr. John J. Sullivan to the position of Chief Executive Officer (CEO), replacing Luke R. Schmieder, who has been the CEO since founding the company in 1982. Mr. Schmieder is retiring from Mesa and resigning his positions of CEO and Treasurer, but will retain his position as Chairman of the Board of Directors. In addition to assuming the new CEO position, Dr. Sullivan will retain his position as President and will be named to the Board of Directors.

Dr. Sullivan has been with Mesa since 2004 when he joined the company as Vice President of Sales and Marketing. He was named to the position of President and Chief Operating Officer in 2006 and has been responsible for day-to-day operations of the company since that time. Prior to joining Mesa, Dr. Sullivan was with Varian, Inc., a major analytical instrument manufacturer, for 16 years where he held various positions in Research and Development, Sales and Marketing Management and in Business Development. Prior to Varian, Dr. Sullivan was with the U.S. Food and Drug Administration's Seattle District Laboratory for 5 years where he held the position of Senior Research Scientist. Dr. Sullivan holds a Bachelor of Science degree in Biology from Western Washington University and a Ph.D. degree in Food Science from the University of Washington.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

d) Exhibits:

99.1 Press Release issued March 10, 2009

---