Having clinched both the Players’ Player and Player of the Year Awards
, captain Paul Robinson has had a one-year option implemented.
The 35-year-old skipper made 46 appearances for the club last season, scoring once, and played a pivotal part in keeping Blues in the Sky Bet Championship.
Midfielder Olly Lee, 22, has also had a one-year option taken up having played 19 games during his first full season at St. Andrew’s.
Meanwhile the club will continue to hold talks with the representatives of striker Nikola Zigic and winger Chris Burke with the view to extending their stay at St. Andrew’s.
Defender Will Packwood, who enjoyed his first call-up to the USA senior squad during the 2013/14 season, is also set to be offered a new contract.
Darren Ambrose, Wade Elliott, Peter Lovenkrands, Hayden Mullins, Brian Howard and Aaron Martin have all been released.
Loanees Tom Thorpe, Jordon Ibe, Federico Macheda, Scott Allan, Shane Ferguson, Albert Rusnak, Emyr Huws and Tyler Blackett have all returned to their respective parent clubs.
Blues boss Lee Clark added: "We'd like to thank those players departing for their service to the football club and wish each one well for the next stage of their careers."