Deltic


EL Dorado, Arkansas, USA, 10 April 2007 — Deltic Timber Corporation (NYSE-DEL) has scheduled a conference call at 10:00 a.m. Central Time on 24 April to review first quarter 2007 results, which will be announced 23 April. Arrangements for the call are being handled by Thomson/CCBN Event Call. Interested parties may participate in the call by dialing 1-866-356-4279 and referencing participant passcode identification number 61234082. The call will also be broadcast live over the Internet and can be accessed through the Investor Relations section of the Deltic Web site at www.deltic.com. All investors, analysts, media, and the general public are invited to participate.

Online replays of the call will be available through the Deltic Web site, and a recording of the call will be available until 07 May, by dialing 1-888-286-8010 and referencing replay passcode identification number 32596637.