RNS Number:5184J
M.L. Laboratories PLC
01 April 2003

ML Laboratories PLC ("the Company")

Notification of Interests of Directors and Connected Persons

The Company was notified of the following dealings by Directors as set out on
the schedule below.

   Director          Shares      Price      Date of       Date ML      Shareholding     Shareholding    % holding
                    purchased   paid (p)   transaction    informed     Before dealing   after dealing      After
                                                                                                          dealing

R N Boyes             100,000   14.5       01/04/2003    01/04/2003           88,500          188,500        0.12%
D S Davies            100,000   14.5       01/04/2003    01/04/2003          293,225          393,225        0.25%
A D Dayan              15,000   12.39      27/03/2003    27/03/2003            7,500           22,500        0.01%
T Medinger             33,724   14.5       01/04/2003    01/04/2003           20,000           53,724        0.03%
P J Shennan            19,000   14.5       01/04/2003    01/04/2003            1,000           20,000        0.01%
S W Sim               200,000   14.5       01/04/2003    01/04/2003          839,569        1,039,569        0.66%


ML Laboratories PLC

Steve Bailey

01925 844700

1 April 2003


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