The press conference will be streamed for these events, along with behind-the-scenes material through Play on EA.com. PLAY LA and PLAY London will be opened up to gamers after the press conference held on June 12, 2016 at 1 p.m. PT/9 p.m. BST.
Here is a copy of the schedule from the EA conference description page:
PLAY LA (Times in PST)
Sunday, June 12
1:00pm – 2:00pm – EA Press Conference 2:00pm – 4:00pm – Open to Media 4:00pm – 10:00pm – Open to Players
Monday, June 13
9:00am – 9:00pm – Open to all players
Tuesday, June 14
9:00am – 9:00pm – Open to Industry and E3 attendees
PLAY LONDON (All Times in BST)
Sunday, June 12
9:00pm – 10:00pm – Press Conference 10:00pm – 12:00am – Player sessions