Exhibit 99.1
Description of Transactions in the Shares Effected by OFI and the Fund During the Past 60 Days
The trading dates, number of Shares purchased or sold and the price per Share for all transactions in the Shares effected on behalf of OFI's advisory clients within the last 60 days, including transactions effected in the Shares held by the Fund, are set forth below. All transactions set forth below were ordinary brokerage transactions effected on the open market.
| Trade Date | Transaction | Shares | | Price Per Share |
| 1/19/2016 | Purchase | 27,306 | $ | 33.973 |
| 1/20/2016 | Purchase | 1,444 | $ | 33.876 |
| 1/21/2016 | Purchase | 10,100 | $ | 33.898 |
| 1/22/2016 | Purchase | 220 | $ | 34.010 |
| 2/2/2016 | Purchase | 340 | $ | 34.111 |
| 2/3/2016 | Purchase | 20 | $ | 34.070 |
| 2/17/2016 | Purchase | 2,060 | $ | 34.314 |
| 2/18/2016 | Sale | 10,900 | $ | 34.243 |
| 2/22/2016 | Sale | 100,000 | $ | 34.850 |
| 2/23/2016 | Sale | 2,700 | $ | 34.771 |
| 2/24/2016 | Sale | 662,227 | $ | 34.788 |
| 2/25/2016 | Sale | 209,464 | $ | 34.803 |
| 2/26/2016 | Sale | 483,689 | $ | 34.855 |
| 2/29/2016 | Sale | 449,712 | $ | 34.857 |
| 3/1/2016 | Sale | 575,700 | $ | 34.945 |
| 3/2/2016 | Sale | 1,207,578 | $ | 35.015 |
The trading dates, number of Shares purchased or sold and the price per Share for all transactions in the Shares effected by the Fund within the last 60 days are set forth below. All transactions set forth below were ordinary brokerage transactions effected on the open market.
| Trade Date | Transaction | Shares | | Price Per Share |
| 2/22/2016 | Sale | 82,880 | $ | 34.850 |
| 2/23/2016 | Sale | 2,240 | $ | 34.771 |
| 2/24/2016 | Sale | 635,317 | $ | 34.788 |
| 2/25/2016 | Sale | 187,684 | $ | 34.803 |
| 2/26/2016 | Sale | 453,929 | $ | 34.855 |
| 2/29/2016 | Sale | 413,062 | $ | 34.857 |
| 3/1/2016 | Sale | 476,790 | $ | 34.945 |
| 3/2/2016 | Sale | 935,188 | $ | 35.015 |
