Insider Trades of WARBURG PINCUS PRIVATE EQUITY IX, L.P.
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Individual Insider Trades
| Company | Relation | Last Date | Tran | OwnerType | Shares Traded | Last Price | Shares Held |
|---|---|---|---|---|---|---|---|
| VRINGO INC | Beneficial Owner (10%) | 06/22/2011 | Sell | direct | 840,116 | 0.3809 | |
| LAREDO PETROLEUM HOLDINGS, INC. | Director | 12/19/2011 | Acquisition (Non Open Market) | direct | 81,193,140 | 0 | 81,193,140 |
| LAREDO PETROLEUM HOLDINGS, INC. | Director | 12/19/2011 | Acquisition (Non Open Market) | indirect | 81,193,140 | 0 | 81,193,140 |
| CERES, INC. | Director | 02/27/2012 | Acquisition (Non Open Market) | direct | 2,460,807 | 0 | 2,460,807 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 02/28/2012 | Buy | direct | 19,000 | 3.15 | 24,466,425 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 02/29/2012 | Buy | direct | 47,100 | 3.1 | 24,513,525 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 03/01/2012 | Buy | direct | 34,006 | 3.09 | 24,547,531 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 03/02/2012 | Buy | direct | 31,905 | 3.12 | 24,579,436 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 03/05/2012 | Buy | direct | 8,100 | 3.11 | 24,587,536 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 03/06/2012 | Buy | direct | 3,700 | 3.14 | 24,591,236 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 03/07/2012 | Buy | direct | 22,671 | 3.14 | 24,613,907 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 05/07/2012 | Buy | direct | 22,400 | 3.88 | 24,636,307 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 05/08/2012 | Buy | direct | 8,985 | 3.9 | 24,645,292 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 05/09/2012 | Buy | direct | 28,452 | 3.98 | 24,673,744 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 05/16/2012 | Buy | direct | 25,000 | 4.25 | 24,698,744 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 05/17/2012 | Buy | direct | 7,800 | 3.98 | 24,706,544 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 05/18/2012 | Buy | direct | 13,800 | 3.61 | 24,720,344 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 05/21/2012 | Buy | direct | 30,500 | 3.67 | 24,750,844 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 05/22/2012 | Buy | direct | 13,300 | 3.73 | 24,764,144 |
| BUILDERS FIRSTSOURCE, INC. | Beneficial Owner (10%) | 05/23/2012 | Buy | direct | 13,000 | 3.81 | 24,777,144 |
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