Rang	Name	Position
1	Mr. Jaco G. van der Merwe	CEO, President & Director
2	Mr. Brian J. Harris	Chief Financial Officer
3	Mr. E. Terrell Gilbert Jr.	General Counsel, Chief Compliance Officer & Corporate Secretary
4	Mr. Michael P. Norris	Group President of Materials Solutions
5	Mr. Robert Gerald Putney	VP & Chief Accounting Officer and Business Development
6	Mr. Stephen C. Anderson	Senior VP of Administration & Investor Relations
7	Ms. Aletheia D. Silcott	Chief Human Resource Officer
8	Mr. Chad Hartley	Group President of Infrastructure Solutions

Aufteilung der Investoren

Rang	Inhaber	Anteile	Wert
1	BlackRock Inc	14,76%	140,53 Mio. USD
2	Dimensional Fund Advisors, Inc.	6,29%	59,91 Mio. USD
3	Vanguard Portfolio Management, LLC	5,88%	56,04 Mio. USD
4	Gamco Investors, Inc. Et Al	4,68%	44,58 Mio. USD
5	Vanguard Capital Management, LLC	4,33%	41,23 Mio. USD
6	State Street Corp	3,79%	36,13 Mio. USD
7	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	3,30%	31,44 Mio. USD
8	Amvescap Plc.	3,14%	29,94 Mio. USD
9	ACK Asset Management LLC	3,00%	28,55 Mio. USD
10	Harvey Partners LLC	2,93%	27,88 Mio. USD
11	Geode Capital Management, LLC	2,49%	23,73 Mio. USD
12	Arnhold & S. Bleichroeder Advisers, LLC	2,36%	22,47 Mio. USD
13	Gabelli Funds LLC	2,07%	19,68 Mio. USD
14	Kennedy Capital Management Inc	2,05%	19,49 Mio. USD
15	Charles Schwab Investment Management Inc	1,76%	16,75 Mio. USD
16	Morgan Stanley - Brokerage Accounts	1,72%	16,39 Mio. USD
17	American Century Companies Inc	1,57%	14,94 Mio. USD
18	Easterly Investment Partners.	1,52%	14,44 Mio. USD
19	Northern Trust Corp	1,13%	10,73 Mio. USD
20	Qube Research & Technologies	1,12%	10,67 Mio. USD