EX-32.1 6 ex_135860.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 ended December 31, 2018, (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 Exchange Act of 1934; and

| (2) | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

|  | P.A.M. TRANSPORTATION SERVICES, INC. |
Dated: March 12, 2019 | By: | /s/ Daniel H. Cushman |
|  | DANIEL H. CUSHMAN |
|  | President and Chief Executive Officer |
|  | (principal executive officer) |
Dated: March 12, 2019 | By: | /s/ Allen W. West |
|  | ALLEN W. WEST |
|  | Vice President-Finance, Chief Financial Officer, |
|  | Secretary and Treasurer |
|  | (principal accounting and financial officer) |