The Blues chief executive officer confirmed that the club are to take up the two year extension clause in Ridgewell's contract and the one year option on Larsson's deal.
"Liam Ridgewell's contract contains a two-year option clause, which we have exercised already and we are continuing discussions with him over a new contract," Dunford told BBC Radio WM
"Seb Larsson has a one-year option on his contract and we have exercised that already and we are continuing discussions with him over his contract."