Rang	Name	Position
1	Mr. Tracy W. Krohn	Founder, Chairman, CEO & President
2	Mr. Sameer Parasnis	Executive VP & CFO
3	Mr. William J. Williford	?Executive VP & COO
4	Mr. Huan Gamblin	Executive VP & Chief Technical Officer
5	Mr. George J. Hittner	Executive VP, General Counsel & Corporate Secretary
6	Mr. Bart P. Hartman III	VP & Chief Accounting Officer
7	Mr. Alvin T. Haynes	VP, Chief Information Officer & Chief Information Security Officer
8	Ms. Kristen Ecklund	Vice President of Human Resources
9	Mr. Todd E. Grabois	VP & Treasurer
10	Mr. Al Petrie	Investor Relations Coordinator

Aufteilung der Investoren

Rang	Inhaber	Anteile	Wert
1	BlackRock Inc	5,08%	31,49 Mio. USD
2	D. E. Shaw & Co LP	4,13%	25,61 Mio. USD
3	The Goldman Sachs Group Inc	3,23%	20,02 Mio. USD
4	Vanguard Capital Management, LLC	2,76%	17,11 Mio. USD
5	Marshall Wace Asset Management Ltd	2,11%	13,11 Mio. USD
6	Ameriprise Financial Inc	2,09%	12,95 Mio. USD
7	Two Sigma Investments LLC	1,96%	12,17 Mio. USD
8	Vanguard Portfolio Management, LLC	1,84%	11,41 Mio. USD
9	State Street Corp	1,77%	10,98 Mio. USD
10	Geode Capital Management, LLC	1,62%	10,04 Mio. USD
11	Charles Schwab Investment Management Inc	1,58%	9,81 Mio. USD
12	First Trust Advisors L.P.	1,39%	8,60 Mio. USD
13	Morgan Stanley - Brokerage Accounts	1,26%	7,84 Mio. USD
14	Dimensional Fund Advisors, Inc.	1,07%	6,65 Mio. USD
15	Algert Global LLC	1,05%	6,53 Mio. USD
16	CastleKnight Management LP	1,01%	6,25 Mio. USD
17	Huber Capital Management LLC	0,92%	5,72 Mio. USD
18	Millennium Management LLC	0,90%	5,55 Mio. USD
19	Tudor Investment Corp Et AL	0,84%	5,21 Mio. USD
20	Bank of New York Mellon Corp	0,75%	4,68 Mio. USD