EX-1 2 ex1.htm EXHIBIT 1

EXHIBIT 1
 
TRANSACTIONS DURING PAST 60 DAYS
 
The Reporting Persons engaged in the following transactions in shares of Common Stock of the Company during the past 60 days.  Such transactions involved the purchase of shares on the NASDAQ Global Market.  Certain of the prices reported below reflect the weighted average purchase price of the shares of Common Stock 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
  
7/16/2013
  
Purchase
   $ 5.2091   1     37700  
7/17/2013
  
Purchase
   $ 5.2289   2     23500  
7/29/2013
  
Purchase
   $ 5.4759   3     30668  
7/30/2013
  
Purchase
   $ 5.4962   4     23600  
7/31/2013
  
Purchase
   $ 5.4517   5     59497  
8/1/2013
  
Purchase
   $ 5.4680   6     43112  
8/2/2013
  
Purchase
   $ 5.4991   7     62800  
8/5/2013
  
Purchase
   $ 5.3999   8     31900  
8/6/2013
  
Purchase
   $ 5.3730   9     16105  
8/7/2013
  
Purchase
   $ 5.3925   10     19100  
8/8/2013
  
Purchase
   $ 5.3525   11     53200  
8/9/2013
  
Purchase
   $ 5.3552   12     30879  
8/12/2013
  
Purchase
   $ 5.3642   13     18745  
8/13/2013
  
Purchase
   $ 5.3524   14     40838  
8/14/2013
  
Purchase
   $ 5.4141   15     20495  
8/15/2013
  
Purchase
   $ 5.3704   16     35364  
8/16/2013
  
Purchase
   $ 5.3795   17     29567  
8/19/2013
  
Purchase
   $ 5.3229   18     30000  
8/20/2013
  
Purchase
   $ 5.4074   19     7718  
8/21/2013
  
Purchase
   $ 5.3910   20     7100  
8/22/2013
  
Purchase
   $ 5.4275   21     13500  
8/23/2013
  
Purchase
   $ 5.4782   22     60000  
8/26/2013
  
Purchase
   $ 5.4884   23     29300  
8/27/2013
  
Purchase
   $ 5.4082   24     34498  
8/28/2013
  
Purchase
   $ 5.4542   25     50077  
8/29/2013
  
Purchase
   $ 5.4761   26     21265  
8/30/2013
  
Purchase
   $ 5.4479   27     57926  
9/3/2013
  
Purchase
   $ 5.4496   28     35000  
9/4/2013
  
Purchase
   $ 5.4879   29     34920  
9/5/2013
  
Purchase
   $ 5.4899   30     14374  
9/6/2013
  
Purchase
   $ 5.4885   31     46561  
9/9/2013
  
Purchase
   $ 5.5000         20100  

1   This transaction was executed in multiple trades at prices ranging from $5.19-5.24.
2   This transaction was executed in multiple trades at prices ranging from $5.22-5.24.
3   This transaction was executed in multiple trades at prices ranging from $5.39-5.50.
4   This transaction was executed in multiple trades at prices ranging from $5.42-5.50.
5   This transaction was executed in multiple trades at prices ranging from $5.43-5.50.
6   This transaction was executed in multiple trades at prices ranging from $5.44-5.50.
7   This transaction was executed in multiple trades at prices ranging from $5.48-5.50.
8   This transaction was executed in multiple trades at prices ranging from $5.38-5.41.
9   This transaction was executed in multiple trades at prices ranging from $5.36-5.38.
10 This transaction was executed in multiple trades at prices ranging from $5.34-5.42.
11 This transaction was executed in multiple trades at prices ranging from $5.34-5.40.
12 This transaction was executed in multiple trades at prices ranging from $5.335-5.37.
13 This transaction was executed in multiple trades at prices ranging from $5.35-5.37.
14 This transaction was executed in multiple trades at prices ranging from $5.31-5.39.
15 This transaction was executed in multiple trades at prices ranging from $5.27-5.45.
16 This transaction was executed in multiple trades at prices ranging from $5.33-5.40.
17 This transaction was executed in multiple trades at prices ranging from $5.36-5.39.
18 This transaction was executed in multiple trades at prices ranging from $5.30-5.35.
19 This transaction was executed in multiple trades at prices ranging from $5.29-5.44.
20 This transaction was executed in multiple trades at prices ranging from $5.36-5.40.
21 This transaction was executed in multiple trades at prices ranging from $5.40-5.45.
22 This transaction was executed in multiple trades at prices ranging from $5.43-5.49.
23 This transaction was executed in multiple trades at prices ranging from $5.47-5.50.
24 This transaction was executed in multiple trades at prices ranging from $5.40-5.42.
25 This transaction was executed in multiple trades at prices ranging from $5.42-5.485.
26 This transaction was executed in multiple trades at prices ranging from $5.46-5.50.
27 This transaction was executed in multiple trades at prices ranging from $5.42-5.46.
28 This transaction was executed in multiple trades at prices ranging from $5.42-5.51.
29 This transaction was executed in multiple trades at prices ranging from $5.47-5.50.
30 This transaction was executed in multiple trades at prices ranging from $5.47-5.50.
31 This transaction was executed in multiple trades at prices ranging from $5.45-5.50.