EX-1 2 ex-1.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
  
3/17/2014
Purchase
   $ 9.9247   1   40869  
3/18/2014
Purchase
   $ 9.9920   2   39953  
3/19/2014
Purchase
   $ 9.7888   3   41000  
3/20/2014
Purchase
   $ 9.6683   4   39000  
3/21/2014
Purchase
   $ 9.2904   5   35000  
3/24/2014
Purchase
   $ 8.6706   6   45500  
3/25/2014
Purchase
   $ 8.6385   7   39570  
3/26/2014
Purchase
   $ 8.5875   8   49000  
3/27/2014
Purchase
   $ 8.4933   9   43544  
3/28/2014
Purchase
   $ 8.5510   10   41333  
3/31/2014
Purchase
   $ 8.9240   11   51067  
4/1/2014
Purchase
   $ 9.4641   12   45500  
4/2/2014
Purchase
   $ 9.7740   13   35959  
4/3/2014
Purchase
   $ 9.4506   14   51444  
4/4/2014
Purchase
   $ 9.3150   15   57639  
4/7/2014
Purchase
   $ 8.9272   16   27500  
4/8/2014
Purchase
   $ 8.8034   17   27383  
4/9/2014
Purchase
   $ 8.8746   18   28100  
4/10/2014
Purchase
   $ 8.4469   19   32500  
4/11/2014
Purchase
   $ 8.2292   20   30000  
4/14/2014
Purchase
   $ 7.8323   21   31316  
4/15/2014
Purchase
   $ 7.6120   22   16015  
4/16/2014
Purchase
   $ 8.0051   23   15500  
4/17/2014
Purchase
   $ 8.2477   24   28777  
4/21/2014
Purchase
   $ 8.5048   25   21800  
4/22/2014
Purchase
   $ 8.5469   26   29000  
4/23/2014
Purchase
   $ 8.0188   27   31959  
4/24/2014
Purchase
   $ 7.9564   28   30253  
4/25/2014
Purchase
   $ 7.8038   29   32000  
4/28/2014
Purchase
   $ 7.5667   30   38105  
4/29/2014
Purchase
   $ 7.6205   31   33500  
4/30/2014
Purchase
   $ 7.9158   32   19585  
5/1/2014
Purchase
   $ 8.1319   33   25002  
5/2/2014
Purchase
   $ 8.0584   34   31600  
5/5/2014
Purchase
   $ 7.9822   35   38285  
5/6/2014
Purchase
   $ 7.8333   36   18000  
5/7/2014
Purchase
   $ 7.5702   37   39582  
5/8/2014
Purchase
   $ 7.4940   38   27807  
5/9/2014
Purchase
   $ 7.6038   39   39814  
5/12/2014
Purchase
   $ 7.7516   40   34506  
5/13/2014
Purchase
   $ 7.7770   41   38183  
 
1 This transaction was executed in multiple trades at prices ranging from $9.87 – 9.99. 
2 This transaction was executed in multiple trades at prices ranging from $9.91 – 10.00.
3 This transaction was executed in multiple trades at prices ranging from $9.70 – 9.85.
4 This transaction was executed in multiple trades at prices ranging from $9.63 – 9.76. 
5 This transaction was executed in multiple trades at prices ranging from $9.14 – 9.49.
6 This transaction was executed in multiple trades at prices ranging from $8.59 – 8.75. 
7 This transaction was executed in multiple trades at prices ranging from $8.58 – 8.92.
8 This transaction was executed in multiple trades at prices ranging from $8.50 – 8.75. 
9 This transaction was executed in multiple trades at prices ranging from $8.36 – 8.40.
10 This transaction was executed in multiple trades at prices ranging from $8.52 – 8.58. 
11 This transaction was executed in multiple trades at prices ranging from $8.87 – 8.97.
12 This transaction was executed in multiple trades at prices ranging from $9.15 – 9.63. 
13 Due to incomplete data available to the Reporting Persons, the Reporting Persons are reporting the average price of transactions effected on this date.
14 This transaction was executed in multiple trades at prices ranging from $9.27 – 9.68. 
15 This transaction was executed in multiple trades at prices ranging from $9.14 – 9.61.
16 This transaction was executed in multiple trades at prices ranging from $8.81 – 9.25. 
17 This transaction was executed in multiple trades at prices ranging from $8.73 – 8.86.
18 This transaction was executed in multiple trades at prices ranging from $8.79 – 8.90.
19 This transaction was executed in multiple trades at prices ranging from $8.36 – 8.64.
20 This transaction was executed in multiple trades at prices ranging from $8.10 – 8.31.
21 This transaction was executed in multiple trades at prices ranging from $7.70 – 8.04.
22 This transaction was executed in multiple trades at prices ranging from $7.28 – 7.85. 
23 This transaction was executed in multiple trades at prices ranging from $7.90 – 8.10.
24 This transaction was executed in multiple trades at prices ranging from $8.15 – 8.30. 
25 Due to incomplete data available to the Reporting Persons, the Reporting Persons are reporting the average price of transactions effected on this date.
26 This transaction was executed in multiple trades at prices ranging from $8.37 – 8.62. 
27 This transaction was executed in multiple trades at prices ranging from $7.97 – 8.07.
28 This transaction was executed in multiple trades at prices ranging from $7.75 – 8.08. 
29 This transaction was executed in multiple trades at prices ranging from $7.71 – 7.89.
30 This transaction was executed in multiple trades at prices ranging from $7.29 – 7.68.
31 This transaction was executed in multiple trades at prices ranging from $7.57 – 7.70. 
32 This transaction was executed in multiple trades at prices ranging from $7.45 – 8.13.
33 This transaction was executed in multiple trades at prices ranging from $8.06 – 8.35.
34 This transaction was executed in multiple trades at prices ranging from $7.99 – 8.11.
35 This transaction was executed in multiple trades at prices ranging from $7.92 – 8.00. 
36 This transaction was executed in multiple trades at prices ranging from $7.73 – 7.88.
37 This transaction was executed in multiple trades at prices ranging from $7.45 – 7.63. 
38 This transaction was executed in multiple trades at prices ranging from $7.3050 – 7.72.
39 This transaction was executed in multiple trades at prices ranging from $7.23 – 7.75.
40 This transaction was executed in multiple trades at prices ranging from $7.55 – 7.86. 
41 This transaction was executed in multiple trades at prices ranging from $7.44 – 7.82.