Change in Clariant's Executive Committee

Corporate news announcement processed and transmitted by Hugin AS. The issuer is solely responsible for the content of this announcement. ---------------------------------------------------------------------- -------------- Muttenz, May 18, 2009 - Okke Koo, a member of the Clariant Executive Committee and responsible for the Pigments & Additives Division, will leave the company June 1, 2009, to return to his native Netherlands and pursue other career opportunities. Marco Cenisio, Head of the Coatings Business Unit, will head the Pigments & Additives Division in the interim reporting to Executive Committee Member Dominik von Bertrab. Clariant CEO Hariolf Kottmann said, "I would like to thank Okke for his contributions since being appointed to the Executive Committee in 2007. Okke joined the company to lead reforms in the Pigments & Additives Division and to improve profitability. He achieved this with significant success by driving down costs, increasing productivity and focusing growth on high-value segments. I wish him well in his future career." - End Media Contacts Arnd Wagner Phone +41 61 469 61 58 Email arnd.wagner@clariant.com Nigel Thornton Phone + 41 61 469 67 43 Email nigel.thornton@clariant.com Investor Relations Contacts Ulrich Steiner Phone +41 61 469 67 45 Email ulrich.steiner@clariant.com Clariant - Exactly your chemistry Clariant is a global leader in the field of specialty chemicals. Strong business relationships, commitment to outstanding service and wide-ranging application know-how make Clariant a preferred partner for its customers. Clariant, which is represented on five continents with over 100 group companies, employs around 20,000 people. Headquartered in Muttenz near Basel, Switzerland, it generated sales of CHF 8.1 billion in 2008. Clariant's businesses are organized in four divisions: Textile, Leather & Paper Chemicals, Pigments & Additives, Masterbatches and Functional Chemicals. Clariant is committed to sustainable growth springing from its own innovative strength. Clariant's innovative products play a key role in its customers' manufacturing and treatment processes or else add value to their end products. The company's success is based on the know-how of its people and their ability to identify new customer needs at an early stage and to work together with customers to develop innovative, efficient solutions. www.clariant.com --- End of Message --- Clariant AG Rothausstrasse 61 Muttenz 1 Switzerland ISIN: CH0012142631; Index: SMI, SMIEXP, SPI, Swiss All Share Index; Listed: Main Market in SIX Swiss Exchange, SWX Local Caps in SIX Swiss Exchange;