FOR IMMEDIATE RELEASE

P.A.M. Transportation
TONTITOWN, Ark.,

April 26 /PRNewswire-FirstCall/ -- P.A.M. Transportation
Services, Inc. (Nasdaq: PTSI) today reported net income of $2,903,387 or
diluted and basic earnings per share of $.26 for the quarter ended
March 31, 2005 compared to net income of $2,030,817 or diluted and basic
earnings per share of $.18 for the quarter ended March 31, 2004.  Operating
revenues excluding fuel surcharges were $80,108,475 for the first quarter of
2005, a 3.1% increase compared to $77,673,436 for the first quarter of 2004.
    Robert W. Weaver, President of the Company, commented, "Our continued
efforts over the last few quarters focusing on rates, cost containment and
operational efficiencies are producing more positive results.  The results of
our first quarter ended March 31, 2005 show a 43% increase in net income and a
44% increase in earnings per share versus our first quarter ended
March 31, 2004.  These improved results are indicative that the changes we
have focused our efforts towards over the last several quarters are beginning
to show benefits and were the right moves for the company."

    P.A.M. Transportation Services, Inc. will be holding a live conference
call with certain financial analysts to discuss the earnings release, the
results of operations, and other matters on Wednesday, April 27, 2005 at
1:00 p.m. CDT.  (Please note that since the call will begin promptly at
1:00 p.m., you will need to join at least ten minutes prior to that time.)
    The public will be able to listen and participate in the conference
telephonically by dialing (800) 946-0706.  Please ask to be joined to the
P.A.M. Transportation Services First Quarter 2005 Earnings Release Conference
call.  An audio replay of the conference call will be posted on the Company's
web site one day after the meeting
  In order to listen to the
replay, you will need a PC that is internet enabled and capable of playing
back MP3 audio files.  The Company assumes no responsibility to update any
information posted on its Web site.
    The conference may contain forward-looking statements made by the Company
that involve risks, assumptions and uncertainties that are difficult to
predict.  Investors are directed to the information contained in the Company's
Annual Report on Form 10-K, filed with the U.S. Securities and Exchange
Commission, for a discussion of the risks that may affect the Company's
operating results.  Actual results may differ.

    P.A.M. Transportation Services, Inc. is a leading truckload dry van
carrier transporting general commodities throughout the continental United
States, as well as in the Canadian provinces of Ontario and Quebec.  The
Company also provides transportation services in Mexico through its gateways
in Laredo and El Paso, Texas under agreements with Mexican carriers.

    Certain information included in this document contains or may contain
"forward-looking statements" within the meaning of the Private Securities
Litigation Reform Act of 1995.  Such forward-looking statements may relate to
expected future financial and operating results or events, and are thus
prospective.  Such forward-looking statements are subject to risks,
uncertainties and other factors which could cause actual results to differ
materially from future results expressed or implied by such forward-looking
statements.  Potential risks and uncertainties include, but are not limited
to, excess capacity in the trucking industry; surplus inventories;
recessionary economic cycles and downturns in customers' business cycles;
increases or rapid fluctuations in fuel prices, interest rates, fuel taxes,
tolls, license and registration fees; the resale value of the Company's used
equipment and the price of new equipment; increases in compensation for and
difficulty in attracting and retaining qualified drivers and owner-operators;
increases in insurance premiums and deductible amounts relating to accident,
cargo, workers' compensation, health, and other claims; unanticipated
increases in the number or amount of claims for which the Company is self
insured; inability of the Company to continue to secure acceptable financing
arrangements; seasonal factors such as harsh weather conditions that increase
operating costs; competition from trucking, rail, and intermodal competitors
including reductions in rates resulting from competitive bidding; the ability
to identify acceptable acquisition candidates, consummate acquisitions, and
integrate acquired operations; a significant reduction in or termination of
the Company's trucking service by a key customer; and other factors, including
risk factors, referred to from time to time in filings made by the Company
with the Securities and Exchange Commission.  The Company undertakes no
obligation to update or clarify forward-looking statements, whether as a
result of new information, future events or otherwise.