EXHIBIT 32
CERTIFICATION REQUIRED BY SECTION 906
OF THE SARBANES-OXLEY ACT OF 2002
The certification set forth below is being submitted in connection with this amendment to the annual report on Form 10-K of Deltic Timber Corporation (“the report”) for the purpose of complying with Rule 13a–14(b) or Rule 15d–14(b) of the Securities Exchange Act of 1934 (“the Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.
Ray C. Dillon, the Chief Executive Officer, and Clefton D. Vaughan, the Chief Financial Officer, each certifies that, to the best of his knowledge:
| (1) | the report fully complies with the requirements of section 13(a) or 15(d) of the Exchange Act; and |
| (2) | the information contained in the report fairly presents, in all material respects, the financial condition and results of operations of Deltic Timber Corporation. |
| /s/ RAY C. DILLON |
| Ray C. Dillon |
| Chief Executive Officer |
August 12, 2005 |
| /s/ CLEFTON D. VAUGHAN |
| Clefton D. Vaughan |
| Chief Financial Officer |
August 12, 2005 |
