BASF tender offer for Ciba Holding AG: Preliminary Acceptance Rate of 66.665 Percent Based on All Ciba Shares

Up to the end of the offer period on October 28, 2008, a total of 45,030,453 of Ciba shares have been tendered to BASF as part of the company’s public tender offer to shareholders of Ciba Holding AG, Basel, Switzerland.

Together with the 1,011,536 Ciba shares that BASF held before the publication of the pre-announcement, this results in a participation of 46,041,989 Ciba shares, which corresponds to 66.665 percent of the share capital and voting rights of Ciba. This result is preliminary and subject to the final analysis of the tender declarations of Ciba shareholders. BASF will publish the definitive interim result on November 3.