If there is an announcement of a manufacturer, I would consider that material info and they would then need to issue a PR simultaneously with the start of the meeting. IMO. I'm not an expert and I certainly don't know for sure...but I would think that would be the case. Again, IMO.
Long WDRP!
"Facts do not cease to exist because they are ignored." - Aldous Huxley (1894-1963)