EX-1 2 ex1.htm EXHIBIT 1 ex1.htm
EXHIBIT 1
 
TRANSACTIONS SINCE THE DATE OF THE MOST RECENT FILING ON SCHEDULE 13D
 
The Reporting Persons engaged in the following transactions in shares of Common Stock of the Company since the date of the most recent filing on Schedule 13D.  Such transactions involved the purchase of shares on the NASDAQ Global Market.  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
9/8/20111
Purchase
  
$13.1391
  
12719
9/9/20112
Purchase
  
13.0158
  
16895
9/12/20113
Purchase
  
12.9631
  
6500
9/13/20114
Purchase
  
13.4914
  
11610
9/14/20115
Purchase
  
13.3367
  
21000
9/15/20116
Purchase
  
12.8461
  
21020
9/16/20117
Purchase
  
12.9944
  
11600
9/19/20118
Purchase
  
13.0146
  
17102
9/20/20119
Purchase
  
12.9145
  
15544
9/21/201110
Purchase
  
12.4948
  
12700
9/22/201111
Purchase
  
11.8368
  
14580
9/26/201112
Purchase
  
11.4380
  
11000
9/27/201113
Purchase
  
12.1628
  
17500
9/28/201114
Purchase
  
11.9350
  
29900
10/3/201115
Purchase
  
10.4854
  
35100
10/3/201116
Purchase
  
11.2336
  
11000
10/4/201117
Purchase
  
10.0435
  
49172
10/5/201118
Purchase
  
10.1868
  
30678
 
3 This transaction was executed in multiple trades at prices ranging from $12.90 - 13.00.
5 This transaction was executed in multiple trades at prices ranging from $13.16 - 13.55.
6 This transaction was executed in multiple trades at prices ranging from $12.75 - 13.04. 
7 This transaction was executed in multiple trades at prices ranging from $12.95 - 13.00.
8 This transaction was executed in multiple trades at prices ranging from $12.76 -13.15. 
9 This transaction was executed in multiple trades at prices ranging from $12.76 -13.04.
10 This transaction was executed in multiple trades at prices ranging from $12.35 - 12.74 
11 This transaction was executed in multiple trades at prices ranging from $11.62 - 11.90
12 This transaction was executed in multiple trades at prices ranging from $11.37 - 11.55 
13 This transaction was executed in multiple trades at prices ranging from $12.08 - 12.36.
14 This transaction was executed in multiple trades at prices ranging from $11.80 - 12.05. 
15 This transaction was executed in multiple trades at prices ranging from $10.16 - 10.95.
16 This transaction was executed in multiple trades at prices ranging from $11.07 - 11.25. 
17 This transaction was executed in multiple trades at prices ranging from $9.91 - 10.24.
18 This transaction was executed in multiple trades at prices ranging from $10.04 - 10.31.