Here is a list of places you can go to and start submitting your press releases for free today.
You may also do a Google search for "free press release submission websites".
i-newswire.com
clickpress.com
free-press-release.com
express-press-release.com
1888pressrelease.com
pr9.net
pressbox.co.uk
malebits.com
prlog.org
pressexposure.com
sanepr.com
prurgent.com
prbuzz.com
transworldnews.com