EX-1 2 t81168_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 Select 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
  
12/12/2014
Purchase
   $ 11.4797   1     2818  
12/15/2014
Purchase
   $ 11.6532   2     4100  
12/16/2014
Purchase
   $ 11.6078   3     5716  
12/17/2014
Purchase
   $ 11.4945   4     1650  
12/18/2014
Purchase
   $ 11.7843   5     15000  
12/19/2014
Purchase
   $ 11.8024   6     13046  
12/22/2014
Purchase
   $ 12.1454   7     1935  
12/23/2014
Purchase
   $ 12.4900         1309  
12/29/2014
Purchase
   $ 12.4750   8     7000  
12/30/2014
Purchase
   $ 12.5000         2000  
12/31/2014
Purchase
   $ 12.5000         1508  
1/2/2015
Purchase
   $ 12.3754   9     3991  
1/5/2015
Purchase
   $ 12.4742   10     4796  
1/6/2015
Purchase
   $ 12.0175   11     800  
1/7/2015
Purchase
   $ 12.0375   12     1400  
1/8/2015
Purchase
   $ 12.1265   13     1192  
1/9/2015
Purchase
   $ 12.1961   14     4778  
1/12/2015
Purchase
   $ 12.0935   15     3445  
1/13/2015
Purchase
   $ 12.0802   16     4560  
1/14/2015
Purchase
   $ 12.0445   17     7500  
 
 
1 This transaction was executed in multiple trades at prices ranging from $11.29 – 11.55.
2 This transaction was executed in multiple trades at prices ranging from $11.51 – 11.73.
3 This transaction was executed in multiple trades at prices ranging from $11.50 – 11.63.
4 Due to incomplete data available to the Reporting Persons, the Reporting Persons are reporting the average price of transactions effected on this date.
5 This transaction was executed in multiple trades at prices ranging from $11.76 – 11.80.
6 This transaction was executed in multiple trades at prices ranging from $11.77 – 11.81.
7 This transaction was executed in multiple trades at prices ranging from $12.14 – 12.15.
8 This transaction was executed in multiple trades at prices ranging from $12.45 – 12.50.
9 This transaction was executed in multiple trades at prices ranging from $12.26 – 12.45.
10 This transaction was executed in multiple trades at prices ranging from $12.45 – 12.50.
11 This transaction was executed in multiple trades at prices ranging from $12.01 – 12.02.
12 This transaction was executed in multiple trades at prices ranging from $12.01 – 12.08.
13 This transaction was executed in multiple trades at prices ranging from $12.10 – 12.15.
14 This transaction was executed in multiple trades at prices ranging from $12.15 – 12.25.
15 This transaction was executed in multiple trades at prices ranging from $12.05 – 12.10.
16 This transaction was executed in multiple trades at prices ranging from $11.98 – 12.10.
17 This transaction was executed in multiple trades at prices ranging from $12.00 – 12.05.