RNS Number:8822O
Barclays Stockbrokers Limited
20 August 2003

                                  Date of Disclosure     20-8-3

                    DISCLOSURE UNDER RULES 8.1(a), 8.1(b)(i) and 8.3 
                       OF THE CITY CODE ON TAKEOVERS AND MERGERS

Date of dealing     19-8-3

Dealing in          K S BIOMEDIX                         (name of company)

1)  Class of securities (eg ordinary shares)      ORD GBP 0.02

2)  Amount bought                Amount sold             Price per unit
           75,000                                                 12.17

    * SEE TABLE BELOW


3)  Resultant total of the same class owned or controlled 
    (and percentage of class)         1,562,500 SHARES   (2.72%)


4) Party making disclosure     BARCLAYS STOCKBROKERS LTD


5)  EITHER (a) Name of purchaser/vendor (Note 1)  MESSRS AKHAVAN-MALAYERI    
    OR     (b) if dealing for discretionary client(s), name of fund 
               management organisation

6)  Reason for disclosure (Note 2)                                     
    (a) associate of (i) offeror (Note 3)                       NO
                    (ii) offeree company                        NO

Specify which category or categories of associate (1-8 overleaf) 

If category (8), explain

     (b)  Rule 8.3 (ie disclosure because of ownership or control of 1% 
          or more of the class of relevant securities dealt in)  YES

Signed, for and on behalf of the party named in (4) above  N/A  

(Also print name of signatory)     CHRISTO SCOTT

Telephone and extension number     0207 9773251


Note 1.  Specify owner, not nominee or vehicle company.  If relevant, also 
         identify controller of owner, eg where an owner normally acts on 
         instructions of a controller

Note 2.  Disclosure might be made for more than one reason; if so, state all 
         reasons.

Note 3.  Specify which offeror if there is more than one.

Note 4.  When an arrangement exists with any offeror, with the offeree company 
         or which an associate of any offeror or of the offeree company 
         in relation to relevant securities, details of such arrangement must 
         be disclosed, as required by Note 6 on Rule 8

Note 5.  It may be necessary, particularly when disclosing derivative 
         transactions, to append a sheet to this disclosure form so that
         relevant information can be given.

Note 6.  In the case of an average price bargain, each underlying trade 
         should be disclosed.

For full details of disclosure requirements, see Rule 8 of the Code.  If in 
doubt, contact the Panel on Takeovers and Mergers, Tel No: 020 7382 9026


DEFINITION 0F ASSOCIATE

It is not practicable to define associate in terms which would cover all the
different relationships which may exist in an offer. The term associate is
intended to cover all persons (whether or not acting in concert) who directly or
indirectly own or deal in the shares of an offerer or the offeree company in an
offer and who have (in addition to their normal interests as shareholders) an
interest or potential interest, whether commercial, financial or personal, in
the outcome of the offer.

Without prejudice to the generality of the foregoing, the term associate will 
normally include the following:-

(1) an offerer's or the offeree company's parent, subsidiaries and fellow
subsidiaries; and their associated companies, and companies of which such
companies are associated companies (for this purpose ownership or control of 20%
or more of the equity share capital of a company is regarded as the test of
associated company status);

(2) banks and financial and other professional advisers (including 
stockbrokers)* to an offerer, the offeree company or any company covered in (1), 
including persons controlling#, controlled by or under the same control as such 
banks, financial and other professional advisers;

(3) the directors (together with their close relatives and related trusts) of an 
offerer, the offeree company or any company covered in (1);

(4) the pension funds of an offerer, the offeree company or any company covered 
in (1);

(5) any investment company, unit trust or other person whose investments an 
associate manages on a discretionary basis, in respect of the relevant 
investment accounts;

(6) a person who owns or controls 5% or more of any class of relevant securities
(as defined in paragraphs (a) to (d) in Note 2 on Rule 8) issued by an offerer
or an offeree company, including a person who as a result of any transaction
owns or controls 5% or more. When two or more persons act pursuant to an
agreement or understanding (formal or informal) to acquire or control such
securities, they will be deemed to be a single person for the purpose of this
paragraph. Such securities managed on a discretionary basis by an investment
management group will, unless otherwise agreed by the Panel, also be deemed to
be those of a single person (see Note 8 on Rule 8); and

(7) a company having a material trading arrangement with an offerer or the 
offeree company.

Paragraphs (1)-(7) are typical cases. Paragraph (8) below is a category to cover 
associate status not within (1)-(7).

(8) Other.


Notes

* References to a "bank" do not apply to a bank whose sole relationship with a
party to an offer is the provision of normal commercial banking services or such
activities in connection with the offer as confirming that cash is available,
handling acceptances and other registration work.

References to "financial and other professional advisers (including
stockbrokers)", in relation to a party to an offer, do not include an
organisation which has stood down, because of a conflict of interest or
otherwise, from acting for that party in connection with the offer, if the
organisation is to have a continuing involvement with that party during the
offer, the Panel must be consulted. Unless the Panel is satisfied that the
involvement is entirely unconnected with the offer, the above exclusion will not
normally apply.

# The normal test for whether a person is controlled by, controls or is under
the same control as another person will be by reference to the definition of
control contained in the Code. There may be other circumstances which the Panel
will regard as giving rise to such a relationship (eg where a majority of the
equity share capital is owned by another person who does nor have a majority of
the voting rights); in cases of doubt, the Panel should be consulted.


Notes
 
# References to a "bank" do not apply to a bank whose sole relationship with a
party to an offer is the provision of normal commercial banking services or such
activities in connection with the offer as confirming that cash is available,
handling acceptances and other registration work.

References to "financial and other professional advisers (including
stockbrokers)", in relation to a party to an offer, do not include an
organisation which has stood down, because of a conflict of interest or other-
wise, from acting for that party in connection with the offer if the
organisation is to have a continuing involvement with that party during the
offer, the Panel must be consulted. Unless the Panel is satisfied that the
involvement is entirely unconnected with the offer, the above exclusion will not
normally apply.

# The normal test for whether a person is controlled by, controls or is under
the same control as another person will be by reference to the definition of
control contained in the Code. There may be other circumstances which the
Panel will regard as giving rise to such a relationship (eg where a majority of
the equity share capital is owned by another person who does not have a majority
of the voting rights); in cases of doubt, the Panel should be consulted.


* TABLE OF PURCHASES

      DATE               AMOUNT BOUGHT              PRICE PER UNIT

1     13/8               150,000                    16.25
2     13/8                50,000                    16.43
3     13/8                75,000                    15.97
4     14/8                60,000                    14.45
5     14/8                60,000                    13.37
6     14/8                50,000                    13.75
7     15/8                50,000                    13.58
8     18/8               200,000                    12.50
9     18/8               150,000                    12.12
10    18/8               100,000                    11.80
11    19/8                75,000                    12.17



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