Marten Transport, Ltd.: To participate in the KeyBanc Capital Markets’ industrial, automotive and transportation conference

CONTACT: Tim Kohl, President
Jim Hinnendael, Chief Financial Officer
Marten Transport, Ltd.
715-926-4216

MONDOVI, Wis., May 21, 2013 (GLOBE NEWSWIRE) — Marten Transport, Ltd.
(Nasdaq:MRTN) announced today that the Company is scheduled to present
at the KeyBanc Capital Markets’ Industrial, Automotive and
Transportation Conference at the InterContinental Boston Hotel in
Boston, Massachusetts on Wednesday, May 29, 2013 at 9:00 A.M. Eastern
Time.

The slides for this presentation will be available in the Investor
Relations section of Marten’s Website at www.marten.com

Marten Transport, with headquarters in Mondovi, Wis., is one of the
leading temperature-sensitive truckload carriers in the United States.
Marten specializes in transporting and distributing food and other
consumer-packaged goods that require a temperature-controlled or
insulated environment. Marten offers service in the United States,
Canada and Mexico, concentrating on expedited movements for high-volume
customers. Marten’s common stock is traded on the Nasdaq Global Select
Market under the symbol MRTN.

The presentation or discussions at the conference may contain certain
statements that may be considered forward-looking statements within the
meaning of Section 27A of the Securities Act of 1933, as amended, and
Section 21E of the Securities Exchange Act of 1934, as amended,
including Marten’s current expectations concerning future results,
objectives, plans and payment of dividends. These statements by their
nature involve substantial risks and uncertainties, and actual results
may differ materially from those expressed in such forward-looking
statements. Viewers of the conference material should review and
consider the various disclosures by the Company in its press releases,
stockholder reports, and filings with the Securities and Exchange
Commission. Important factors known to Marten that could cause actual
results to differ materially from those discussed in the
forward-looking statements are discussed in Item 1A of Marten’s Annual
Report on Form 10-K for the year ended December 31, 2012. Marten
undertakes no obligation to correct or update any forward-looking
statements, whether as a result of new information, future events or
otherwise.