Relationships	Role	Relationship Start	Relationship End
Imerys Usa, Inc.	Parent	12/31/1999	8/31/2001
Minerals Holdings, Inc.	Subsidary	12/31/1999	8/31/2001
Mineral Investments, Inc.	Subsidary	12/31/1999	8/31/2001
Graystar Llc	Subsidary	12/31/1999	8/31/2001
Refractory Materials International, Inc.	Subsidary	12/31/1999	8/31/2001
C-E Newell, Inc.	Subsidary	12/31/1999	8/31/2001