EXECUTED AS A DEED BUT NOT DELIVERED UNTIL THE DATE HEREOF by INVERESK RESEARCH LIMITED

EXECUTED AS A DEED BUT NOT
DELIVERED UNTIL THE DATE
HEREOF by INVERESK RESEARCH LIMITED

acting by
/s/ Xxxxxx X. Xxxxx          Director
____________________________
    Xxxxxx X. Xxxxx          Full Name
____________________________
                             Director/Secretary
____________________________
                             Full Name
____________________________

EXECUTED AS A DEED BUT NOT
DELIVERED UNTIL THE DATE
HEREOF by INVERESK RESEARCH INC.

acting by
/s/ Xxxxxx X. Xxxxx          Director
____________________________
    Xxxxxx X. Xxxxx          Full Name
____________________________
/s/ Xxxxxxxx X. XxXxxx       Director/Secretary
____________________________
    Xxxxxxxx X. XxXxxx       Full Name
____________________________


EXECUTED AS A DEED BUT NOT
DELIVERED UNTIL THE DATE
HEREOF by CTBR BIO-RESEARCH INC.

acting by
/s/ Xxxxxx X. Xxxxx          Director
____________________________
    Xxxxxx X. Xxxxx          Full Name
____________________________
                             Director/Secretary
____________________________
                             Full Name
____________________________