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 Select 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
7/28/2014
  
Purchase
  
 $   13.1894
1
  
8000
7/29/2014
  
Purchase
  
 $   13.2499
2
  
16500
7/30/2014
  
Purchase
  
 $   13.3008
3
  
58015
7/31/2014
  
Purchase
  
 $   13.2222
4
  
35500
8/1/2014
  
Purchase
  
 $   13.0153
5
  
3773
8/4/2014
  
Purchase
  
 $   13.2271
6
  
5000
8/5/2014
  
Purchase
  
 $   13.2327
7
  
11301
8/7/2014
  
Purchase
  
 $   12.6784
8
  
66719
8/8/2014
  
Purchase
  
 $   12.3822
9
  
6000
8/11/2014
  
Purchase
  
 $   12.3664
10
  
1439
8/12/2014
  
Purchase
  
 $   12.2493
11
  
22112
8/13/2014
  
Purchase
  
 $   12.4408
12
  
1100
8/15/2014
  
Purchase
  
 $   12.4828
13
  
5835
8/19/2014
  
Purchase
  
 $   12.8388
14
  
3127
8/20/2014
  
Purchase
  
 $   12.6969
15
  
8572
8/21/2014
  
Purchase
  
 $   12.3542
16
  
13018
8/22/2014
  
Purchase
  
 $   12.3400
17
  
3000
8/25/2014
  
Purchase
  
 $   12.2920
18
  
1500
8/26/2014
  
Purchase
  
 $   12.3673
19
  
1421
8/28/2014
  
Purchase
  
 $   12.3857
20
  
6778
8/29/2014
  
Purchase
  
 $   12.4975
21
  
7929
9/2/2014
  
Purchase
  
 $   12.5200
    
10000
9/3/2014
  
Purchase
  
 $   12.5000
    
3522
9/4/2014
  
Purchase
  
 $   12.4072
22
  
3564
9/5/2014
  
Purchase
  
 $   12.4287
23
  
13610
9/8/2014
  
Purchase
  
 $   12.4149
24
  
10713
9/11/2014
  
Purchase
  
 $   12.4762
25
  
5014
9/12/2014
  
Purchase
  
 $   12.4668
26
  
10000
9/15/2014
  
Purchase
  
 $   12.1925
27
  
10000
9/16/2014
  
Purchase
  
 $   11.9500
    
24900
9/17/2014
  
Purchase
  
 $   11.9500
    
53599
9/19/2014
  
Purchase
  
 $   12.0590
28
  
12368
9/22/2014
  
Purchase
  
 $   11.8360
29
  
2228
9/23/2014
  
Purchase
  
 $   11.7038
30
  
8123
9/24/2014
  
Purchase
  
 $   11.9807
31
  
6000

1 This transaction was executed in multiple trades at prices ranging from $13.18 – 13.20.
2 This transaction was executed in multiple trades at prices ranging from $13.15 – 13.30.
3 This transaction was executed in multiple trades at prices ranging from $13.22 – 13.35.
4 This transaction was executed in multiple trades at prices ranging from $13.16 – 13.25.
5 This transaction was executed in multiple trades at prices ranging from $12.94 – 13.15.
6 This transaction was executed in multiple trades at prices ranging from $13.22 – 13.25.
7 This transaction was executed in multiple trades at prices ranging from $13.10 – 13.25.
8 This transaction was executed in multiple trades at prices ranging from $12.50 – 12.86.
9 This transaction was executed in multiple trades at prices ranging from $12.30 – 12.41.
10 This transaction was executed in multiple trades at prices ranging from $12.35 – 12.40.
11 This transaction was executed in multiple trades at prices ranging from $12.23 – 12.25.
12 This transaction was executed in multiple trades at prices ranging from $12.43 – 12.45.
13 This transaction was executed in multiple trades at prices ranging from $12.42 – 12.53.
14 This transaction was executed in multiple trades at prices ranging from $12.81 – 12.85.
15 This transaction was executed in multiple trades at prices ranging from $12.56 – 12.75.
16 This transaction was executed in multiple trades at prices ranging from $12.33 – 12.40.
17 This transaction was executed in multiple trades at prices ranging from $12.25 – 12.40.
18 This transaction was executed in multiple trades at prices ranging from $12.29 – 12.30.
19 This transaction was executed in multiple trades at prices ranging from $12.35 – 12.38.
20 This transaction was executed in multiple trades at prices ranging from $12.37 – 12.43.
21 This transaction was executed in multiple trades at prices ranging from $12.48 – 12.50.
22 This transaction was executed in multiple trades at prices ranging from $12.38 – 12.42.
23 This transaction was executed in multiple trades at prices ranging from $12.25 – 12.50.
24 This transaction was executed in multiple trades at prices ranging from $12.38 – 12.44.
25 This transaction was executed in multiple trades at prices ranging from $12.40 – 12.50.
26 This transaction was executed in multiple trades at prices ranging from $12.43 – 12.50.
27 This transaction was executed in multiple trades at prices ranging from $12.19 – 12.20.
28 This transaction was executed in multiple trades at prices ranging from $12.00 – 12.10.
29 This transaction was executed in multiple trades at prices ranging from $11.81 – 11.85.
30 This transaction was executed in multiple trades at prices ranging from $11.60 – 11.80.
31 This transaction was executed in multiple trades at prices ranging from $11.90 – 12.00.