April 29, 2010

Conference call with Donald Elliott and Brett Cohen, Willkie Farr &
Gallagher LLP

Margaret Sheppard and Yaidi Cancel, EPA/Stratospheric Protection
Division

Donald Elliott is representing Arkema.  He mentioned that Honeywell has
patents on HFO-1234yf.  Mr. Elliott stated that there are concerns about
the sufficiency of supply of HFO-1234yf.  He suggested that his client
may provide EPA information for the public record concerning the cost
and availability of HFO-1234yf.

