1. OCP Group

2. The Mosaic Company

3. Jordan Phosphate Mines Company P.L.C

4. Prayon S.A.

5. ICL Group Ltd.

6. Innophos Holdings Inc.

7. NIPPON CHEMICAL INDUSTRIAL CO.LTD.

8. AB Lifosa

9. Merck KGaA

10. J.R. Simplot Company

11. Kanto Chemical Co. Inc.

12. Grupa Azoty S.A.

13. Ballestra S.p.A

14. Columbus Chemical Industries

15. LANXESS AG