Rule 8.3 - INVERNESS MEDICAL INNOVATIONS INC

FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              INVERNESS MEDICAL INNOVATIONS INC
Class of relevant security    COM STK USD0.001
to which the dealings being
disclosed relate (Note 2)
Date of dealing               24 June 2009

2.   INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a)  Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                            Long                     Short

                      Number       (%)         Number       (%)

(1) Relevant       2,131,879     2.71%         88,125     0.11%
securities
(2) Derivatives            0     0.00%
(other than
options)
(3) Options and      119,800     0.15%         53,500     0.07%
agreements to
purchase/sell
Total              2,251,679     2.86%        141,625     0.18%


(b)  Interests and short positions in relevant securities of the company, other
     than the class dealt in (Note 3)

Class of                    Long                     Short
relevant
security:

                  Number              (%)   Number              (%)

(1) Relevant
securities

(2) Derivatives
(other than
options)

(3) Options and
agreements to
purchase/sell

Total


  (c)  Rights to subscribe (Note 3)

Class of relevant security:   Details



3.   DEALINGS (Note 4)

  (a)  Purchases and sales

Purchase/sale    Number of Securities  Price per unit
                                       (GBP)
Purchase         400                   35.2875
Purchase         2,643                 35.1087552
Purchase         100                   35.37
Purchase         300                   35.46
Purchase         300                   35.36
Purchase         2,057                 35.36934857
Purchase         500                   35.25
Purchase         800                   35.09625
Purchase         200                   35.36
Purchase         7,200                 35.1575
Purchase         300                   35.46
Purchase         456                   35.52
Purchase         400                   35.1625
Purchase         2,972                 35.4699428
Purchase         1,800                 35.24166667
Purchase         2,200                 35.26863636
Purchase         15,000                35.10435867
Purchase         5                     35.31
Purchase         80                    35.29125
Purchase         20                    35.33
Purchase         100                   35.45
Purchase         500                   35.468
Purchase         1,000                 35.42
Purchase         1,100                 35.46
Purchase         1,100                 35.46
Purchase         3,900                 35.44316667
Purchase         200                   35.455
Purchase         500                   35.31400024
Purchase         22                    35.5200 USD
Purchase         42                    35.5200 USD
Purchase         42                    35.5200 USD
Purchase         44                    35.5200 USD
Purchase         84                    35.5200 USD
Purchase         99                    35.5200 USD
Purchase         100                   35.46
Purchase         106                   35.5200 USD
Purchase         100                   35.3384
Purchase         144                   35.52
Purchase         2,143                 35.5200 USD
Purchase         184                   35.5200 USD
Purchase         1,593                 35.34173572
Sale             46                    35.4007 USD
Sale             1,700                 35.42235294
Sale             15,700                34.7399 USD
Sale             19                    35.5200 USD
Sale             34                    35.5200 USD
Sale             100                   35.44
Sale             400                   35.2251 USD
Sale             282                   35.4007 USD
Sale             500                   35.36
Sale             300                   35.46
Sale             220                   35.4007 USD
Sale             1,100                 35.46
Sale             100                   35.45
Sale             578                   35.4007 USD
Sale             500                   35.412
Sale             15,000                35.206146
Sale             700                   35.40142857
Sale             200                   35.44
Sale             100                   35.47
Sale             144                   35.52
Sale             100                   35.3384
Sale             600                   35.45583333
Sale             300                   35.40666667
Sale             200                   35.36
Sale             700                   35.40857143
Sale             400                   35.4175
Sale             100                   35.43
Sale             300                   35.36
Sale             200                   35.455
Sale             500                   35.314
Sale             2,972                 35.4699428
Sale             4,460                 35.03142601
Sale             2,200                 35.2686
Sale             100                   35.3384
Sale             17                    35.5200 USD
Sale             3,449                 35.07342128
Sale             2,100                 35.26
Sale             1,296                 35.05095679
Sale             400                   35.46
Sale             800                   35.010625
Sale             1,800                 35.2417
Sale             1,100                 35.10727273
Sale             100                   35.42
Sale             100                   35.42
Sale             74                    35.43
Sale             1,593                 35.34173572
Sale             1,700                 35.46041176
Sale             1,800                 35.24166667


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)




(c)  Options transactions in respect of existing securities

(i)  Writing, selling, purchasing or varying

Product name,   Writing,          Number of          Exercise  Type, e.g.      Expiry      Option money
e.g. call       selling,          securities to      price     American,       date        paid/received
option          purchasing,       which the option             European etc.               per unit (GBP)
                varying etc.      relates (GBP)



(ii) Exercising

Product name, e.g.  Number of           Exercise price per
call option         securities          unit (Note 5)




(d)  Other dealings (including new securities) (Note 4)


Nature of transaction Details           Price per unit
(Note 8)                                (if applicable)
                                        (Note 5)




4.   OTHER INFORMATION
None

Agreements, arrangements or understandings relating to options or derivatives


Full details of any agreement, arrangement or understanding between the
person disclosing and any other person relating to the voting rights of
any relevant securities under any option referred to on this form or
relating to the voting rights or future acquisition or disposal of any
relevant securities to which any derivative referred to on this form is
referenced.  If none, this should be stated.




Is a Supplemental Form 8 attached? (Note 9)                 YES


Date of disclosure                         25 June 2009
Contact name                               Geoff Smith
Telephone number                           020 7116 2913
If a connected EFM, name of
offeree/offeror with which connected
If a connected EFM, state nature of
connection (Note 10)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk


SUPPLEMENTAL FORM 8

DETAILS OF OPEN POSITIONS
(This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate)

OPEN POSITIONS (Note 1)
Product name,     Written or  Number of securities   Exercise price   Type, e.g.     Expiry date
e.g. call option  purchased   to which the option    (Note 2)         American,
                              or derivative relates                   European etc.
Option            Purchased   -700                   40.0000          AMER           16/01/2010
Option            Purchased   100                    35.0000          AMER           22/08/2009
Option            Purchased   100                    25.0000          AMER           20/02/2010
Option            Purchased   100                    15.0000          AMER           22/01/2011
Option            Purchased   100                    15.0000          AMER           16/01/2010
Option            Purchased   -100                   25.0000          AMER           21/11/2009
Option            Purchased   -100                   17.5000          AMER           22/08/2009
Option            Purchased   -100                   17.5000          AMER           16/01/2010
Option            Purchased   -500                   20.0000          AMER           22/08/2009
Option            Purchased   -23,900                25.0000          AMER           22/08/2009
Option            Purchased   -600                   30.0000          AMER           21/11/2009
Option            Purchased   700                    35.0000          AMER           16/01/2010
Option            Purchased   -900                   30.0000          AMER           18/07/2009
Option            Purchased   -1,200                 30.0000          AMER           22/01/2011
Option            Purchased   -2,000                 40.0000          AMER           18/07/2009
Option            Purchased   -2,000                 22.5000          AMER           22/08/2009
Option            Purchased   -2,400                 25.0000          AMER           16/01/2010
Option            Purchased   -2,800                 35.0000          AMER           18/07/2009
Option            Purchased   -4,600                 25.0000          AMER           16/01/2010
Option            Purchased   -11,100                30.0000          AMER           18/07/2009
Option            Purchased   -500                   20.0000          AMER           22/08/2009
Option            Purchased   1,600                  40.0000          AMER           22/01/2011
Option            Purchased   22,300                 25.0000          AMER           22/08/2009
Option            Purchased   8,400                  35.0000          AMER           22/08/2009
Option            Purchased   6,900                  30.0000          AMER           16/01/2010
Option            Purchased   6,400                  30.0000          AMER           16/01/2010
Option            Purchased   5,700                  40.0000          AMER           22/08/2009
Option            Purchased   4,400                  35.0000          AMER           16/01/2010
Option            Purchased   4,400                  20.0000          AMER           16/01/2010
Option            Purchased   3,100                  35.0000          AMER           21/11/2009
Option            Purchased   400                    50.0000          AMER           21/11/2009
Option            Purchased   2,300                  45.0000          AMER           16/01/2010
Option            Purchased   700                    30.0000          AMER           22/08/2009
Option            Purchased   1,600                  35.0000          AMER           18/07/2009
Option            Purchased   1,500                  30.0000          AMER           22/08/2009
Option            Purchased   1,400                  40.0000          AMER           21/11/2009
Option            Purchased   1,100                  30.0000          AMER           21/11/2009
Option            Purchased   1,000                  55.0000          AMER           22/01/2011
Option            Purchased   1,000                  45.0000          AMER           21/11/2009
Option            Purchased   900                    25.0000          AMER           22/01/2011
Option            Purchased   900                    22.5000          AMER           22/08/2009
Option            Purchased   40,000                 35.0000          AMER           22/08/2009
Option            Purchased   2,700                  50.0000          AMER           16/01/2010


Notes

1. Where there are open option positions or open derivative positions (except for CFDs), full details should be given.
Full details of any  existing agreements to purchase or to sell  should also be given on this form.
2. For all prices and other monetary amounts, the currency must be stated.

For details of the Code's dealing disclosure requirements, see Rule 8 and its Notes which can be viewed on the Takeover
Panel's website at www.thetakeoverpanel.org.uk