I just stumbled across this on Reddit. No official announcement has been made, but Jimmy Page's manager Peter Mensch is coming back to Reddit to do another question and answer session on the 24th of July at 1pm EST.
Source: http://www.reddit.com/r/IAmA/wiki/index#wiki_4._how_do_i_get_on_the_calendar.3F (check the calendar on the right side of the page)
Here's a link to Peter's last AMA session on Reddit:
http://www.reddit.com/r/IAmA/comments/1cmn1x/we_are_a_music_management_company_that_represents
We learnt about the progress of Jimmy Page's solo album (or rather, the lack