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
11/18/2013
  
Purchase
  
 $   15.5704
1
  
15103
11/19/2013
  
Purchase
  
 $   15.5801
2
  
25000
11/20/2013
  
Purchase
  
 $   15.5624
3
  
7907
11/21/2013
  
Purchase
  
 $   15.7093
4
  
12200
11/22/2013
  
Purchase
  
 $   15.8632
5
  
10200
11/25/2013
  
Purchase
  
 $   15.9710
6
  
16712
11/26/2013
  
Purchase
  
 $   15.9899
    
100
11/27/2013
  
Purchase
  
 $   16.0000
    
834
11/29/2013
  
Purchase
  
 $   15.9746
7
  
8000
12/2/2013
  
Purchase
  
 $   15.9482
8
  
29281
12/3/2013
  
Purchase
  
 $   15.9837
9
  
12125
12/4/2013
  
Purchase
  
 $   15.8954
10
  
6605
12/5/2013
  
Purchase
  
 $   15.9227
11
  
2800
12/10/2013
  
Purchase
  
 $   15.9530
12
  
21822
12/11/2013
  
Purchase
  
 $   15.5441
13
  
11517
12/12/2013
  
Purchase
  
 $   15.4155
14
  
11500
12/13/2013
  
Purchase
  
 $   15.5366
15
  
15000
12/16/2013
  
Purchase
  
 $   15.4726
16
  
5242
12/17/2013
  
Purchase
  
 $   15.4900
17
  
1791
12/18/2013
  
Purchase
  
 $   15.8856
18
  
4400
1/6/2014
  
Purchase
  
 $   15.9967
19
  
7500
1/8/2014
  
Purchase
  
 $   15.8974
20
  
15500
1/9/2014
  
Purchase
  
 $   15.7179
21
  
10211
1/10/2014
  
Purchase
  
 $   15.5357
22
  
8976
1/13/2014
  
Purchase
  
 $   15.4657
23
  
17700
1/14/2014
  
Purchase
  
 $   15.7580
24
  
4784
1/15/2014
  
Purchase
  
 $   15.9887
25
  
35000
1/16/2014
  
Purchase
  
 $   15.9500
    
30000

1 This transaction was executed in multiple trades at prices ranging from $15.55 – 15.58.
2 This transaction was executed in multiple trades at prices ranging from $15.50 – 15.65.
3 This transaction was executed in multiple trades at prices ranging from $15.49 – 15.60.
4 This transaction was executed in multiple trades at prices ranging from $15.57 – 15.77.
5 This transaction was executed in multiple trades at prices ranging from $15.75 – 15.95.
6 This transaction was executed in multiple trades at prices ranging from $15.82 – 16.00.
7 This transaction was executed in multiple trades at prices ranging from $15.93 – 16.00.
8 This transaction was executed in multiple trades at prices ranging from $15.90 – 16.00.
9 This transaction was executed in multiple trades at prices ranging from $15.86 – 16.00.
10 This transaction was executed in multiple trades at prices ranging from $15.77 – 16.00.
11 This transaction was executed in multiple trades at prices ranging from $15.83 – 16.00.
12 This transaction was executed in multiple trades at prices ranging from $15.89 – 16.00.
13 This transaction was executed in multiple trades at prices ranging from $15.50 – 15.55.
14 This transaction was executed in multiple trades at prices ranging from $15.30 – 15.50.
15 This transaction was executed in multiple trades at prices ranging from $15.42 – 15.66.
16 This transaction was executed in multiple trades at prices ranging from $15.45 – 15.55.
17 This transaction was executed in multiple trades at prices ranging from $15.47 – 15.50.
18 This transaction was executed in multiple trades at prices ranging from $15.77 – 15.90.
19 This transaction was executed in multiple trades at prices ranging from $15.99 – 16.00.
20 This transaction was executed in multiple trades at prices ranging from $15.81 – 16.00.
21 This transaction was executed in multiple trades at prices ranging from $15.70 – 15.75.
22 This transaction was executed in multiple trades at prices ranging from $15.43 – 15.60.
23 This transaction was executed in multiple trades at prices ranging from $15.35 – 15.50.
24 This transaction was executed in multiple trades at prices ranging from $15.50 – 15.80.
25 This transaction was executed in multiple trades at prices ranging from $15.885 – 16.00.