Aberforth Partners

Form 8.3 - Biocompatibles International plc


FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY A PERSON

WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE

Rule 8.3 of the Takeover Code (the "Code")

1. KEY INFORMATION

(a) Identity of the person whose positions/ Aberforth Partners LLP on behalf of
dealings are being disclosed:               discretionary clients              
                                                                               
(b) Owner or controller of interests and                                       
short positions disclosed, if different                                        
from 1(a):                                                                     
                                                                               
The naming of nominee or vehicle companies                                     
is insufficient                                                                
                                                                               
(c) Name of offeror/offeree in relation to  Biocompatibles International plc    
whose relevant securities this form                                            
relates:                                                                       
                                                                               
Use a separate form for each offeror/                                          
offeree                                                                        
                                                                               
(d) If an exempt fund manager connected                                        
with an offeror/offeree, state this and                                        
specify identity of offeror/offeree:                                           
                                                                               
(e) Date position held/dealing undertaken:  18 January 2011                      
                                                                               
(f) Has the discloser previously disclosed, No                                 
or are they today disclosing, under the                                        
Code in respect of any other party to this                                     
offer?                                                                         

2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE

(a) Interests and short positions in the relevant securities of the offeror or
offeree to which the disclosure relates following the dealing (if any)

Class of relevant security:      Ordinary Shares                               
                                                                               
                                 Interests              Short positions        
                                                                               
                                 Number       %         Number      %          
                                                                               
(1)Relevant securities owned and 2,724,230    6.92      Nil         0.00       
/or controlled:                                                                
                                                                               
(2)Derivatives (other than                                                     
options):                                                                      
                                                                               
(3)Options and agreements to                                                   
purchase/sell:                                                                 
                                                                               
TOTAL:                           2,724,230    6.92      Nil         0.00       

All interests and all short positions should be disclosed.

Details of any open derivative or option positions, or agreements to purchase
or sell relevant securities, should be given on a Supplemental Form 8 (Open
Positions).

(b) Rights to subscribe for new securities (including directors' and other
executive options)

Class of relevant security in relation to N/A                                  
which subscription right exists:                                               
                                                                               
Details, including nature of the rights   N/A                                  
concerned and relevant percentages:                                            

If there are positions or rights to subscribe to disclose in more than one
class of relevant securities of the offeror or offeree named in 1(c), copy
table 2(a) or (b) (as appropriate) for each additional class of relevant
security.

3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

(a) Purchases and sales

Class of relevant      Purchase/sale  Number of securities   Price per unit    
security                                                                       
                                                                               
Ordinary Shares        Sale           1,000,000              384.0p            

(b) Derivatives transactions (other than options)

Class of         Product     Nature of dealing  Number of    Price per unit    
relevant         description                    reference                      
security                     e.g. opening/      securities                     
                 e.g. CFD    closing a long/                                   
                             short position,                                   
                             increasing/                                       
                             reducing a long/                                  
                             short position                                    
                                                                               
N/A                                                                            

(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Class of Product     Writing,    Number of  Exercise Type e.g. Expiry   Option money
relevant description purchasing, securities price    American, date                 
security e.g. call   selling,    to which   per unit European           paid/       
         option      varying     option              etc.               received    
                     etc.        relates                                            
                                                                        per unit    
                                                                                    
N/A                                                                                 

(ii) Exercising

Class of         Product description Number of          Exercise price per unit
relevant                             securities                                
security         e.g. call option                                              
                                                                               
N/A                                                                            

(d) Other dealings (including subscribing for new securities)

Class of         Nature of dealing   Details            Price per unit         
relevant s                                                                     
ecurity          e.g. subscription,                     (if applicable)        
                                                                               
                 conversion                                                    
                                                                               
N/A                                                                            

The currency of all prices and other monetary amounts should be stated.

Where there have been dealings in more than one class of relevant securities of
the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as
appropriate) for each additional class of relevant security dealt in.

4. OTHER INFORMATION

(a) Indemnity and other dealing arrangements

Details of any indemnity or option arrangement, or any agreement or            
understanding, formal or informal, relating to relevant securities which may be
an inducement to deal or refrain from dealing entered into by the person making
the disclosure and any party to the offer or any person acting in concert with 
a party to the offer:                                                          
                                                                               
If there are no such agreements, arrangements or understandings, state "none"  
                                                                               
None                                                                           

(b) Agreements, arrangements or understandings relating to options or
derivatives

Details of any agreement, arrangement or understanding, formal or informal,    
between the person making the disclosure and any other person relating to:     
                                                                               
(i) the voting rights of any relevant securities under any option; or          
                                                                               
(ii) the voting rights or future acquisition or disposal of any relevant       
securities to which any derivative is referenced:                              
                                                                               
If there are no such agreements, arrangements or understandings, state "none"  
                                                                               
None                                                                           

(c) Attachments

Is a Supplemental Form 8    No                                                 
                                                                               
(Open Positions) attached?                                                     

Date of disclosure:         19 January 2011                                      
                                                                               
Contact name:               Pauline Robson, for Aberforth Partners LLP         
                                                                               
Telephone number:           0131-220-0733                                      

Public disclosures under Rule 8 of the Code must be made to a Regulatory
Information Service and must also be emailed to the Takeover Panel at 
[email protected] . The Panel's Market Surveillance Unit is
available for consultation in relation to the Code's dealing disclosure
requirements on +44 (0)20 7638 0129.

The Code can be viewed on the Panel's website at www.thetakeoverpanel.org.uk .