EX-1 2 t82285_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 since those reported in Amendment No. 3 to this Schedule 13D filed by the Reporting Persons on March 13, 2015.  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
3/16/2015
  
Purchase
    $
    9.5781
  
1
  
9300
3/17/2015
  
Purchase
    $
 9.4254
  
2
  
5034
3/19/2015
  
Purchase
    $
 9.6103
  
3
  
1421
3/20/2015
  
Purchase
    $
 9.8091
  
4
  
8800
3/23/2015
  
Purchase
    $
    9.9189
  
5
  
4861
3/25/2015
  
Purchase
    $
 9.9852
  
6
  
10000
3/26/2015
  
Purchase
    $
 9.7908
  
7
  
6242
3/27/2015
  
Purchase
    $
 9.8049
  
8
  
5666
3/30/2015
  
Purchase
    $
 9.9470
  
9
  
9000
3/31/2015
  
Purchase
    $
 9.7865
  
10
  
10200
4/1/2015
  
Purchase
    $
 9.8009
  
11
  
1755
4/2/2015
  
Purchase
    $
 9.7976
  
12
  
8117
4/6/2015
  
Purchase
    $
 9.8952
  
13
  
11800
4/7/2015
  
Purchase
    $
 9.9172
  
14
  
4704
4/8/2015
  
Purchase
    $
 10.0000
      
2703
4/9/2015
  
Purchase
    $
 10.0998
  
15
  
4127
4/10/2015
  
Purchase
    $
 10.1151
  
16
  
7639
4/13/2015
  
Purchase
    $
 10.1000
      
2881
4/14/2015
  
Purchase
    $
 10.0332
  
17
  
7500
4/15/2015
  
Purchase
    $
 10.1184
  
18
  
2439
4/16/2015
  
Purchase
    $
 10.0457
  
19
  
5800
4/17/2015
  
Purchase
    $
 9.8719
  
20
  
7427
4/20/2015
  
Purchase
    $
 9.9888
  
21
  
2599
4/21/2015
  
Purchase
    $
 10.0000
      
5000
4/22/2015
  
Purchase
    $
 9.9700
      
5000
4/23/2015
  
Purchase
    $
 9.9950
  
22
  
200
4/24/2015
  
Purchase
    $
 10.0469
  
23
  
6700
4/27/2015
  
Purchase
    $
 10.0593
  
24
  
5364
4/29/2015
  
Purchase
    $
 10.0754
  
25
  
5000
4/30/2015
  
Purchase
    $
 9.5291
  
26
  
27687
5/1/2015
  
Purchase
    $
 9.1529
  
27
  
5600
5/4/2015
  
Purchase
    $
 9.2492
  
28
  
7500
5/5/2015
  
Purchase
    $
 8.9436
  
29
  
9100
5/6/2015
  
Purchase
    $
 8.7491
  
30
  
15500
5/7/2015
  
Purchase
    $
9.0333
  
31
  
2105
                   
1 Executed at prices ranging from 9.54 - 9.60
2 Executed at prices ranging from 9.35 - 9.50
3 Executed at prices ranging from 9.9.555 - 9.62
4 Executed at prices ranging from 9.795 - 9.88
5 Executed at prices ranging from 9.88 - 9.92
6 Executed at prices ranging from 9.93 - 10.00
7 Executed at prices ranging from 9.72 - 9.85
8 Executed at prices ranging from 9.70 - 9.89
9 Executed at prices ranging from 9.91 - 9.97
10 Executed at prices ranging from 9.77 - 9.84
11 Executed at prices ranging from 9.80 - 9.81
12 Executed at prices ranging from 9.67 - 9.92
13 Executed at prices ranging from 9.87 - 9.93
14 Executed at prices ranging from 9.85 - 9.93
15 Executed at prices ranging from 10.09 - 10.10
16 Executed at prices ranging from 10.10 - 10.12
17 Executed at prices ranging from 10.00 - 10.05
18 Executed at prices ranging from 9.91 - 10.14
19 Executed at prices ranging from 10.02 - 10.10
20 Executed at prices ranging from 9.85 - 9.89
21 Executed at prices ranging from 9.96 - 9.99
22 Executed at prices ranging from 9.99 - 10.00
23 Executed at prices ranging from 10.04 - 10.05
24 Executed at prices ranging from 10.05 - 10.10
25 Executed at prices ranging from 10.02 - 10.11
26 Executed at prices ranging from 9.40 - 9.55
27 Executed at prices ranging from 9.06 -9.36
28 Executed at prices ranging from 9.15 - 9.27
29 Executed at prices ranging from 8.87 - 9.00
30 Executed at prices ranging from 8.735 - 8.75
31 Executed at prices ranging from 9.00 - 9.35