June 2010   The registered shares of Quadrant AG have been traded for the last time on SIX Swiss Exchange on 4 June 2010. October 2009   New constitution of the board of Quadrant AG: Adrian Niggli (Chairman), René-Pierre Müller, Shigeyoshi Murase, Arno Schenk, Masami Segawa, Ulrich Suter, Steve Yurich September 2009 Successful takeover of Quadrant by Aquamit B.V., a joint venture between Mitsubishi Plastics Inc. and the founders and members of the board of Quadrant AG May 2008   Prof. Ulrich W. Suter elected to the board. December 2007   Quadrant Engineering Plastic Products (QEPP) strengthened its market position in Japan by increasing its investment in the Quadrant EPP Japan Ltd. joint venture to 80%. April 2007   Quadrant increased its shareholding in the Mexican joint venture Nylamid S.A. de C.V. to 80%. January 2007   Start of SymaLITE production in Guelph / Canada. July 2006   Quadrant celebrated its 10-year anniversary April 2006   Quadrant acquires AEP Korea, hitherto its distribution partner for advanced engineering plastics in South Korea. March 2006   The Swiss Takeover Board (TOB) follows the guidance of the Swiss Federal Supreme Court and grants Quadrant's founder shareholders exemption from the obligation to submit a public takeover offer to all shareholders – more than five years after the disputed exchange of shares.