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               08 July 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       2,183,701     2.77%        113,664     0.14%
securities
(2) Derivatives            0     0.00%
(other than
options)
(3) Options and      170,500     0.22%         71,500     0.09%
agreements to
purchase/sell
Total              2,354,201     2.99%        185,164     0.24%


(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         200                   30.9705
Purchase         2,000                 30.3885
Purchase         1,000                 30.506
Purchase         1,000                 30.374
Purchase         300                   30.38666667
Purchase         4,300                 30.40976744
Purchase         200                   30.67
Purchase         800                   30.44875
Purchase         276                   30.69
Purchase         270                   30.69
Purchase         430                   30.57604651
Purchase         100                   30.69
Purchase         200                   31.625
Purchase         400                   31.72
Purchase         20,000                31.522044
Purchase         200                   30.44
Purchase         778                   30.6900 USD
Purchase         22                    30.6900 USD
Purchase         56                    30.6900 USD
Purchase         112                   30.6900 USD
Purchase         169                   30.6900 USD
Purchase         555                   32.1538 USD
Purchase         621                   30.6900 USD
Purchase         2,657                 31.4554554
Purchase         708                   30.6900 USD
Purchase         200                   30.9705
Purchase         1,937                 30.69
Purchase         200                   30.928
Purchase         900                   30.6264
Purchase         7,400                 30.978
Purchase         8                     30.8175
Purchase         100                   30.68
Purchase         621                   32.1538 USD
Purchase         200                   30.978
Purchase         300                   31.37333333
Purchase         2,742                 31.30983589
Purchase         1,125                 31.5
Purchase         600                   31.3325
Purchase         800                   31.23375
Purchase         1,000                 31.405
Purchase         5,000                 31.1078
Purchase         200                   31.09
Purchase         200                   30.67
Purchase         200                   30.65
Purchase         200                   30.45
Purchase         1,600                 30.8025125
Sale             200                   30.45
Sale             300                   30.89666667
Sale             200                   30.9705
Sale             2,657                 31.4554554
Sale             743                   30.69
Sale             1,194                 30.69
Sale             708                   30.6900 USD
Sale             600                   31.29666667
Sale             32                    30.6900 USD
Sale             250                   31.0453 USD
Sale             100                   30.6900 USD
Sale             200                   30.67
Sale             79                    30.75
Sale             200                   30.928
Sale             621                   30.6900 USD
Sale             212                   30.6900 USD
Sale             1,000                 30.506
Sale             381                   31.0453 USD
Sale             32                    31.0453 USD
Sale             200                   30.978
Sale             400                   31.72
Sale             1,800                 31.53611111
Sale             400                   30.66
Sale             8,300                 31.52481928
Sale             500                   31.496
Sale             100                   30.87
Sale             100                   30.76
Sale             200                   31.09
Sale             8,312                 31.52716073
Sale             200                   31.09
Sale             8,300                 30.9398747
Sale             16                    30.6900 USD
Sale             40                    30.76
Sale             200                   30.928
Sale             7,400                 30.978
Sale             925                   31.5
Sale             2,742                 31.30983589
Sale             276                   30.69
Sale             8                     30.8175
Sale             466                   31.40399142
Sale             100                   31.5
Sale             900                   30.6264
Sale             100                   31.5
Sale             422                   31.67265403


(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                         09 July 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                    15.0000          AMER           16/01/2010
Option            Purchased   100                    12.5000          AMER           22/01/2011
Option            Purchased   -100                   25.0000          AMER           21/11/2009
Option            Purchased   -100                   22.5000          AMER           22/01/2011
Option            Purchased   -100                   17.5000          AMER           16/01/2010
Option            Purchased   -100                   17.5000          AMER           22/08/2009
Option            Purchased   -200                   35.0000          AMER           21/11/2009
Option            Purchased   -200                   25.0000          AMER           20/02/2010
Option            Purchased   -400                   35.0000          AMER           22/01/2011
Option            Purchased   -23,600                25.0000          AMER           22/08/2009
Option            Purchased   -500                   20.0000          AMER           22/08/2009
Option            Purchased   200                    15.0000          AMER           22/01/2011
Option            Purchased   -1,000                 30.0000          AMER           18/07/2009
Option            Purchased   -1,200                 35.0000          AMER           22/08/2009
Option            Purchased   -1,200                 30.0000          AMER           22/01/2011
Option            Purchased   -1,700                 30.0000          AMER           21/11/2009
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   -4,600                 25.0000          AMER           16/01/2010
Option            Purchased   -11,100                30.0000          AMER           18/07/2009
Option            Purchased   -17,800                30.0000          AMER           22/08/2009
Option            Purchased   -500                   20.0000          AMER           22/08/2009
Option            Purchased   1,800                  40.0000          AMER           22/01/2011
Option            Purchased   22,300                 25.0000          AMER           22/08/2009
Option            Purchased   7,400                  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   5,800                  40.0000          AMER           22/08/2009
Option            Purchased   4,500                  35.0000          AMER           18/07/2009
Option            Purchased   4,400                  35.0000          AMER           16/01/2010
Option            Purchased   4,400                  20.0000          AMER           16/01/2010
Option            Purchased   2,700                  45.0000          AMER           21/11/2009
Option            Purchased   2,600                  50.0000          AMER           16/01/2010
Option            Purchased   100                    17.5000          AMER           22/01/2011
Option            Purchased   2,300                  45.0000          AMER           16/01/2010
Option            Purchased   100                    22.5000          AMER           22/01/2011
Option            Purchased   1,800                  30.0000          AMER           22/08/2009
Option            Purchased   1,200                  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   900                    25.0000          AMER           22/01/2011
Option            Purchased   700                    35.0000          AMER           16/01/2010
Option            Purchased   600                    22.5000          AMER           22/08/2009
Option            Purchased   400                    50.0000          AMER           21/11/2009
Option            Purchased   300                    35.0000          AMER           21/11/2009
Option            Purchased   87,900                 35.0000          AMER           22/08/2009
Option            Purchased   2,500                  35.0000          AMER           18/07/2009


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