The seventh European Additives & Colors conference, organised by the Additives & Color Europe (ACE) Division of the Society of Plastics Engineers (SPE), will be held from 16 – 17 March 2011 in Königswinter (near Bonn), Germany. The conference will discuss reciprocal effects between additives or colours and the polymer matrix and will focus on pigments, dyes, flame retardants, impact modifiers, mineral- and nanoadditives, stabilisers, plasticisers, and antiblocks among others.