1. Accel Polymers
LLC
2. Alpha Group
3. Borealis AG
4. Celanese Corporation
5. CHEMIEURO
S.L.
6. Chevron Phillips Chemical Company LLC
7. ExxonMobil
8. Henkel AG & Co. KGaA
9. LG Chemicals Limited
10. LyondellBasell Industries Holdings B.V.
11. Mitsui Chemicals Inc.
12. Plastomer Corporation
13. Saudi Basic Industries Limited
14. SK Group
15. Sumitomo Corporation
16. The Dow Chemical Company
17. Westlake Corporation