UPDATE: Matt Striker tweeted the following regarding his WWE release:

Was just informed by @WWE that my contract will not be renewed. I am now available 4 appearances, signings seminars & wrestling. Deep breath

Thanks for all the support. To book plz email [email protected] @WWE has your entertainment first in their mind. Support that product

It's clear from his tweets that he was unaware that he was going to be released. As noted, Striker is now available for appearances and independent bookings at [email protected]. There is no word on if this is the first of more releases. Stay tuned!

ORIGINAL: The following is from WWE.com:

WWE.com has learned that WWE has chosen to not renew Matt Striker’s contract. As of today, June 20, 2013, Striker will no longer be working with WWE.

WWE wishes him the best in all his future endeavors.