EX-24 2 w2008tpw.txt February 3, 2006 Securities and Exchange Commission 450 5th Street N.W. Washington, DC 20549 Attention: Filing Desk RE: Cytec Industries Inc. (CYT) Dear Reader: As permitted by instruction 7 of Form 4 and Form 5,I hereby authorize each of Roy Smith and James Young, severally and not jointly, to sign and file on my behalf any Forms 4 or 5 I am required to file with respect to the securities of Cytec Industries Inc. on or prior to December 31, 2008. This power of attorney supersedes a power of attorney dated January 27, 2003 which gave authority solely to Roy Smith. I acknowledge that neither Roy Smith nor James Young are assuming any of my responsibilities to comply with Section 16 of the Securities Exchange Act. Sincerely, /s/ Thomas P. Wozniak Thomas P. Wozniak