Beneficial Ownership | | Purchase or
Sale | | Quantity | | Transaction
Date | | Price per Share
(including
commission) | | How Effected |
| | | | | | | | | | |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 17,460 | | 5/14/2012 | | 63.95 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 14,576 | | 5/14/2012 | | 64.66 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 8,188 | | 5/14/2012 | | 63.95 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 6,836 | | 5/14/2012 | | 64.66 | | Open Market |
Relational Investors LLC | | Purchase | | 4,298 | | 5/14/2012 | | 63.95 | | Open Market |
Relational Investors LLC | | Purchase | | 3,588 | | 5/14/2012 | | 64.66 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 1,050 | | 5/15/2012 | | 65.92 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 9,955 | | 5/15/2012 | | 65.99 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 40,181 | | 5/15/2012 | | 66.35 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 492 | | 5/15/2012 | | 65.92 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 4,669 | | 5/15/2012 | | 65.99 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 369 | | 5/15/2012 | | 66.35 | | Open Market |
Relational Investors LLC | | Purchase | | 258 | | 5/15/2012 | | 65.92 | | Open Market |
Relational Investors LLC | | Purchase | | 2,451 | | 5/15/2012 | | 65.99 | | Open Market |
Relational Investors LLC | | Purchase | | 17,820 | | 5/15/2012 | | 66.35 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 44,908 | | 5/16/2012 | | 67.39 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 412 | | 5/16/2012 | | 67.39 | | Open Market |
Relational Investors LLC | | Purchase | | 19,916 | | 5/16/2012 | | 67.39 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 34,420 | | 5/17/2012 | | 66.48 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 34,420 | | 5/17/2012 | | 65.91 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 17,210 | | 5/17/2012 | | 65.99 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 21,425 | | 5/17/2012 | | 65.75 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 316 | | 5/17/2012 | | 66.48 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 316 | | 5/17/2012 | | 65.91 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 158 | | 5/17/2012 | | 65.99 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 197 | | 5/17/2012 | | 65.75 | | Open Market |
Relational Investors LLC | | Purchase | | 15,264 | | 5/17/2012 | | 66.48 | | Open Market |
Relational Investors LLC | | Purchase | | 15,264 | | 5/17/2012 | | 65.91 | | Open Market |
Relational Investors LLC | | Purchase | | 7,632 | | 5/17/2012 | | 65.99 | | Open Market |
Relational Investors LLC | | Purchase | | 9,502 | | 5/17/2012 | | 65.75 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 10,937 | | 5/18/2012 | | 65.10 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 69,357 | | 5/18/2012 | | 64.15 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 100 | | 5/18/2012 | | 65.10 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 640 | | 5/18/2012 | | 64.15 | | Open Market |
Relational Investors LLC | | Purchase | | 4,851 | | 5/18/2012 | | 65.10 | | Open Market |
Relational Investors LLC | | Purchase | | 30,764 | | 5/18/2012 | | 64.15 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 12,939 | | 5/23/2012 | | 63.55 | | Open Market |
Relational Investors Mid-Cap Fund I, L.P. | | Purchase | | 523 | | 5/23/2012 | | 62.91 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 7,437 | | 5/23/2012 | | 63.55 | | Open Market |
Relational Investors Mid-Cap Fund II, L.P. | | Purchase | | 299 | | 5/23/2012 | | 62.91 | | Open Market |
Relational Investors LLC | | Purchase | | 4,590 | | 5/23/2012 | | 63.55 | | Open Market |
Relational Investors LLC | | Purchase | | 185 | | 5/23/2012 | | 62.91 | | Open Market |
