Fax no 44 20 7256 9386                                           FORM 8.1/8.3


Lodge with a RIS or Newstrack and the Takeover Panel. Use separate form for each
class of securities in which dealings have been made.

                                                Date of disclosure 20 Aug 2003


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

Date of dealing    13 Aug 2003

Dealing in:        Nestor Healthcare Group Plc

(1)  Class of securities: ordinary shares

(2)  Amount bought     Amount sold          Price per unit
                           500,000                3.12 GBP

(3)  Resultant total of the same class owned or controlled  (and percentage of class)
     638,800                                                  0.73 percent ( 0.73 %)

(4)  Party making disclosure:   Robeco

(5)     EITHER (a)  Name of purchaser/vendor (Note 1)
         OR    (b)  If dealing for discretionary client(s), name of fund
                    management organisation
  
     Robeco (for underlying funds)

(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 ..........................

(Also print name of signatory) JF Goedhart

Telephone and extension number ++ 31 10 224 3390
                     ______________________________________

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  with 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 all 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, Monitoring Section, Tel.  No:
020 7638 0129. E-mail:monitoring@disclosure.org.uk