EX-1 2 ex1.htm EXHIBIT 1 ex1.htm
EXHIBIT 1
 
TRANSACTIONS DURING PAST 60 DAYS
 
The Reporting Persons engaged in the following transactions in Shares of the Company during the past 60 days.  Such transactions involved the purchase of Shares on the NASDAQ Global Select Market.  The prices reported below reflect the weighted average purchase price of the Shares purchased on the relevant date.  The Reporting Persons hereby undertake to provide upon request to the SEC staff full information regarding the number of Shares and prices at which each transaction was effected.
 
Date
Type
  
Price
        
Shares
  
01/07/2013
Purchase
   $ 5.1678     1     20000  
01/08/2013
Purchase
   $ 5.0338     2     14600  
01/09/2013
Purchase
   $ 4.9726     3     25000  
01/10/2013
Purchase
   $ 4.8513     4     20600  
01/14/2013
Purchase
   $ 5.4108     5     18500  
01/15/2013
Purchase
   $ 5.1704     6     15575  
01/16/2013
Purchase
   $ 5.1576     7     16985  
01/17/2013
Purchase
   $ 5.2391     8     17000  
01/18/2013
Purchase
   $ 5.1547     9     27500  
01/22/2013
Purchase
   $ 5.0841     10     39500  
01/23/2013
Purchase
   $ 4.9925     11     23588  
01/24/2013
Purchase
   $ 4.8982     12     49696  
01/25/2013
Purchase
   $ 5.0049     13     53000  
01/28/2013
Purchase
   $ 5.3579     14     25129  
01/29/2013
Purchase
   $ 5.3494     15     29985  
01/30/2013
Purchase
   $ 4.4030     16     18300  
01/30/2013
Purchase
   $ 5.4582     17     42790  
01/31/2013
Purchase
   $ 3.7582     18     53417  
02/01/2013
Purchase
   $ 3.8888     19     51819  
02/04/2013
Purchase
   $ 3.9152     20     105000  
02/05/2013
Purchase
   $ 3.8972     21     90959  
02/06/2013
Purchase
   $ 3.8880     22     59277  
02/07/2013
Purchase
   $ 3.8100     23     138942  
02/08/2013
Purchase
   $ 3.8792     24     85337  
02/11/2013
Purchase
   $ 4.0207     25     31159  
02/12/2013
Purchase
   $ 4.1254     26     88699  
 
1 This transaction was executed in multiple trades at prices ranging from $5.09 – 5.20. 
2 This transaction was executed in multiple trades at prices ranging from $4.96 – 5.15. 
3 This transaction was executed in multiple trades at prices ranging from $4.89 – 5.10.
4 This transaction was executed in multiple trades at prices ranging from $4.72 – 4.96. 
5 This transaction was executed in multiple trades at prices ranging from $5.20 – 5.50. 
6 This transaction was executed in multiple trades at prices ranging from $5.09 – 5.25. 
7 This transaction was executed in multiple trades at prices ranging from $5.09 – 5.26. 
8 This transaction was executed in multiple trades at prices ranging from $5.20 – 5.30. 
9 This transaction was executed in multiple trades at prices ranging from $5.12 – 5.18. 
10 This transaction was executed in multiple trades at prices ranging from $5.04 – 5.13. 
11 Due to incomplete data available to the Reporting Persons, the Reporting Persons are reporting the average price of transactions effected on this date. 
12 This transaction was executed in multiple trades at prices ranging from $4.85 – 4.98. 
13 This transaction was executed in multiple trades at prices ranging from $4.93 – 5.04. 
14 This transaction was executed in multiple trades at prices ranging from $5.12 – 5.43. 
15 This transaction was executed in multiple trades at prices ranging from $5.26 – 5.50. 
16 This transaction was executed in multiple trades at prices ranging from $4.03 – 5.01. 
17 This transaction was executed in multiple trades at prices ranging from $5.04 – 5.58. 
18 This transaction was executed in multiple trades at prices ranging from $3.64 – 4.00. 
19 This transaction was executed in multiple trades at prices ranging from $3.70 – 3.98. 
20 This transaction was executed in multiple trades at prices ranging from $3.85 – 4.05. 
21 This transaction was executed in multiple trades at prices ranging from $3.88 – 3.93. 
22 This transaction was executed in multiple trades at prices ranging from $3.86 – 3.90. 
23 This transaction was executed in multiple trades at prices ranging from $3.78 – 3.89. 
24 This transaction was executed in multiple trades at prices ranging from $3.82 – 3.90. 
25 This transaction was executed in multiple trades at prices ranging from $3.88 – 4.14. 
26 This transaction was executed in multiple trades at prices ranging from $4.06 – 4.14.