The European Commission has produced a short video which sets out its negotiating position and which is available here :

http://ec.europa.eu/avservices/video/player.cfm?ref=I137539&sitelang=en

Th Commission has also produced a publication which sets out EU citizens’ rights in the UK during the Brexit process. This can be down loaded here https://publications.europa.eu/en/publication-detail/-/publication/b54182cf-6dbf-11e7-b2f2-01aa75ed71a1/language-en?WT.mc_id=Selectedpublications&WT.ria_c=677&WT.ria_f=926&WT.ria_ev=search