EX-32.1 6 exhibit_32-1.htm EXHIBIT 32.1
EXHIBIT 32.1
CERTIFICATIONS OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
In connection with the Annual Report of P.A.M. Transportation Services, Inc. (the "Company") on Form 10-K for the period ending December 31, 2011, (the "Report") as filed with the Securities and Exchange Commission, each of the undersigned hereby certifies that:
(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities ExchangeAct of 1934; and
(2) The information contained in the Report fairly presents, in all material respects, the financialcondition and results of operations of the Company.

|  | P.A.M. TRANSPORTATION SERVICES, INC. |
Dated: March 13, 2012 | By: | /s/ Daniel H. Cushman |
|  | DANIEL H. CUSHMAN |
|  | President and Chief Executive Officer |
|  | (principal executive officer) |
Dated: March 13, 2012 | By: | /s/ Lance K. Stewart |
|  | LANCE K. STEWART |
|  | Vice President-Finance, Chief Financial Officer, |
|  | Secretary and Treasurer |
|  | (principal accounting and financial officer) |