EXHIBIT 1
TRANSACTIONS DURING PAST 60 DAYS
The Reporting Persons engaged in the following transactions in Ordinary Shares 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 Ordinary Shares 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 |
| 8/20/2013 | | Purchase | | $ 6.9895 | 1 | | 28000 |
| 8/21/2013 | | Purchase | | $ 6.6427 | 2 | | 14300 |
| 8/22/2013 | | Purchase | | $ 6.7400 | 3 | | 19986 |
| 8/23/2013 | | Purchase | | $ 6.8526 | 4 | | 45000 |
| 8/26/2013 | | Purchase | | $ 6.9193 | 5 | | 12134 |
| 8/27/2013 | | Purchase | | $ 6.8492 | 6 | | 10259 |
| 8/28/2013 | | Purchase | | $ 6.8858 | 7 | | 9777 |
| 8/29/2013 | | Purchase | | $ 6.8891 | 8 | | 5500 |
| 8/30/2013 | | Purchase | | $ 6.9092 | 9 | | 15000 |
| 9/3/2013 | | Purchase | | $ 6.8181 | 10 | | 27464 |
| 9/4/2013 | | Purchase | | $ 6.7548 | 11 | | 15320 |
| 9/5/2013 | | Purchase | | $ 6.8409 | 12 | | 5882 |
| 9/6/2013 | | Purchase | | $ 6.7937 | 13 | | 27500 |
| 10/10/2013 | | Purchase | | $ 6.0409 | 14 | | 35779 |
| 10/11/2013 | | Purchase | | $ 6.2637 | 15 | | 21701 |
| 10/14/2013 | | Purchase | | $ 6.1203 | 16 | | 9800 |
| 10/15/2013 | | Purchase | | $ 6.2404 | 17 | | 11500 |
| 10/16/2013 | | Purchase | | $ 6.3807 | 18 | | 42161 |
| 10/17/2013 | | Purchase | | $ 6.3821 | 19 | | 15491 |
1 This transaction was executed in multiple trades at prices ranging from $6.96 – 7.02.
2 This transaction was executed in multiple trades at prices ranging from $6.57 – 6.75.
3 This transaction was executed in multiple trades at prices ranging from $6.72 – 6.75.
4 This transaction was executed in multiple trades at prices ranging from $6.67 – 6.9450.
5 This transaction was executed in multiple trades at prices ranging from $6.83 – 6.95.
6 This transaction was executed in multiple trades at prices ranging from $6.82 – 6.85.
7 This transaction was executed in multiple trades at prices ranging from $6.84 – 6.93.
8 This transaction was executed in multiple trades at prices ranging from $6.88 – 6.90.
9 This transaction was executed in multiple trades at prices ranging from $6.88 – 6.92.
10 This transaction was executed in multiple trades at prices ranging from $6.75 – 6.85.
11 This transaction was executed in multiple trades at prices ranging from $6.75 – 6.76.
12 This transaction was executed in multiple trades at prices ranging from $6.82 – 6.85.
13 This transaction was executed in multiple trades at prices ranging from $6.78 – 6.80.
14 This transaction was executed in multiple trades at prices ranging from $6.00 – 6.0650.
15 This transaction was executed in multiple trades at prices ranging from $6.17 – 6.27.
16 This transaction was executed in multiple trades at prices ranging from $6.10 – 6.147.
17 This transaction was executed in multiple trades at prices ranging from $6.17 – 6.27.
18 This transaction was executed in multiple trades at prices ranging from $6.27 – 6.43.
19 This transaction was executed in multiple trades at prices ranging from $6.637 – 6.3950.
