Dyneon, SpecialChem To E-Market Dynamar PPAs

Oakdale, Minn.-based fluoropolymer manufacturer Dyneon LLC, a subsidiary of 3M, St. Paul, Minn.;
and SpecialChem S.A., Paris, a Web-based service company, have entered into an e-marketing
agreement to promote the use of Dynamar Polymer Processing Additives (PPAs). PPAs are used to
reduce or eliminate dye buildup, melt fracture and gel formation in certain polyolefin and
thermoplastic processing operations.

SpecialChem offers on-line polymer additive and color services at www.specialchem4polymers.com,
which includes a free-of-charge interactive TechCenter, expert advice services and training
sessions covering Dynamar PPA technology.

In other news, Dyneon and Meilan Group, a China-based fluorochemical manufacturer, have agreed
to cooperate in the manufacture of polytetrafluoroethylene (PTFE) in order to provide PTFE products
for both companies.

January 2005