PRODUCTION OF SODIUM SULFITE

CHASE MANHATTAN BANK, AS ADMINISTRATIVE AGENT

from BALCRANK PRODUCTS, INC. (DE CORPORATION), BIG T-2 COMPANY LLC, BINDERLINE DRAFTLINE, INC. (MI CORPORATION), CON-X CORPORATION (AL CORPORATION), DEFIANCE KINEMATICS, INC. (DE CORPORATION), DEFIANCE PRECISION PRODUCTS MANAGEMENT LLC (DE LIMITED LIABILITY COMPANY), DEFIANCE PRECISION PRODUCTS, INC. (OH CORPORATION), DEFIANCE TESTING AND ENGINEERING SERVICES, INC. (MI CORPORATION), DEFIANCE, INC. (DE CORPORATION), DEFINANCE PRECISION PRODUCTS MANUFACTURING LLC (DE LIMITED LIABILITY COMPANY), ELECTRONIC INTERCONNECT SYSTEMS, INC. (MA CORPORATION), FINI ENTERPRISES, INC. (TX CORPORATION), GENERAL CHEMICAL CORPORATION (DE CORPORATION), GENTEK INC. (DE CORPORATION), HN INVESTMENT HOLDINGS INC. (DE CORPORATION), HY-FORM PRODUCTS, INC. (MI CORPORATION), KRONE DIGITAL COMMUNICATIONS INC. (DE CORPORATION), KRONE INCORPORATED (CO CORPORATION), KRONE INTERNATIONAL HOLDING INC. (DE CORPORATION), KRONE OPTICAL SYSTEMS INC. (VT CORPORATION), KRONE USA, INCORPORATED, NOMA CORPORATION (DE CORPORATION), NOMA O.P. INC. (DE CORPORATION), PCT MEXICO CORPORATION (DE CORPORATION), PRINTING DEVELOPMENTS, INC. (DE CORPORATION), REHEIS, INC. (DE CORPORATION), TOLEDO TECHNOLOGIES INC. (DE CORPORATION), TOLEDO TECHNOLOGIES MANAGEMENT LLC (LIMITED LIABILITY COMPANY), TOLEDO TECHNOLOGIES MANUFACTRUING LLC (DE LIMITED LIABILITY COMPANY), VIGILANT NETWORKS LLC (DE LIMITED LIABILIT COMPANY), WATERSIDE URBAN RENEWAL CORPORATION (NJ CORPORATION)

SECURITY AGREEMENT Recorded 2002-02-07

GENERAL CHEMICAL CORPORATION

from ALLIED CORPORATION

ASSIGNMENT OF ASSIGNORS INTEREST. Recorded 1988-09-27

HMC PATENTS HOLDING CO., INC.

from GENERAL CHEMICAL CORPORATION, HENLEY GROUP, INC.

ASSIGNMENT OF ASSIGNORS INTEREST. Recorded 1988-09-27

HMC PATENTS HOLDING CO., INC.

from ALLIED CORPORATION, A NY CORP.

ASSIGNMENT OF ASSIGNORS INTEREST. Recorded 1988-04-25