Tellabs Common Stock
Market Data

        2008    
      High     Low
First Quarter   $ 7.21   $ 5.09
Second Quarter   $ 6.32   $ 4.60
Third Quarter   $ 5.58   $ 3.67
Fourth Quarter   $ 4.56   $ 3.10

        2007    
      High     Low
First Quarter   $ 11.11   $ 9.72
Second Quarter   $ 11.44   $ 9.56
Third Quarter   $ 13.67   $ 9.31
Fourth Quarter   $ 9.68   $ 6.55