Deltic Timber Corporation NEWS RELEASE

210 EAST ELM STREET EL DORADO, AR 71730

NYSE: DEL

FOR RELEASE IMMEDIATELY CONTACT: Kenneth D. Mann

January 23, 2013 Investor Relations

(870) 881-6432

Deltic Schedules Fourth Quarter Conference Call

EL DORADO, AR - Deltic Timber Corporation (NYSE-DEL) has scheduled a conference call at
10:00 a.m. Central Time on Thursday, February 28, to review fourth quarter results, which will be announced Wednesday, February 27. Arrangements for the call are being handled by Thomson Reuters Event Call. Interested parties may participate in the call by dialing 1-866-271-6130 and referencing participant passcode identification number 12029575. The call will also be broadcast live over the Internet and can be accessed through the Investor Relations section of the Deltic website 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 website, and a recording of the call will be available until Thursday, March 7, by dialing 1-888-286-8010 and referencing replay passcode identification number 17574926.

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