With thanks to Staedtler staff in Canada, Germany, and Thailand, there is further news on the EE grade pencil.
After the EB and EE grades were withdrawn, Staedtler Malaysia continued making those versions for their market, with graphite cores supplied from Germany. This production ended in 2005.
At present, some of the 8B pencils made in Germany are stamped EE for the Asian market. Staedtler still makes the EE grade pencil!
The photos show a box of the former EE from Staedtler Malaysia.