Marten Transport Increases Quarterly Dividend by 25% to $0.025

Marten Transport, Ltd.

announced today that its Board of Directors has declared a regular quarterly cash dividend of two and one half cents ($0.025) per share of common stock. Increasing the quarterly cash dividend by 25 percent demonstrates Marten's commitment to enhancing the return to stockholders and confidence in the Company's ability to deliver long-term, sustainable growth. The dividend will be payable on May 25, 2012 to stockholders of record at the close of business on May 14, 2012.