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               29 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       2,184,997     2.77%        123,501     0.16%
securities
(2) Derivatives            0     0.00%
(other than
options)
(3) Options and      152,000     0.19%        128,100     0.16%
agreements to
purchase/sell
Total              2,336,997     2.96%        251,601     0.32%


(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      1,100                32.9064
Purchase      500                  32.564
Purchase      100                  32.74
Purchase      500                  32.564
Purchase      1,100                32.58454545
Purchase      500                  32.624
Purchase      99                   32.54
Purchase      200                  33.05
Purchase      12,600               32.683
Purchase      18,700               32.597914
Purchase      200                  32.7345
Purchase      2,500                32.53
Purchase      965                  32.54352332
Purchase      500                  32.52
Purchase      1,800                32.52444444
Purchase      100                  32.54
Purchase      1,035                32.55164251
Purchase      901                  32.6227525
Purchase      212                  32.7000 USD
Purchase      700                  32.60282857
Purchase      200                  32.7345
Purchase      500                  32.65
Purchase      50                   32.7000 USD
Purchase      600                  32.6911
Purchase      100                  33.05
Purchase      303                  32.6900 USD
Purchase      600                  32.6911
Purchase      100                  32.57
Purchase      712                  32.7000 USD
Purchase      500                  32.65
Purchase      100                  32.62
Sale          500                  32.7000 USD
Sale          600                  32.6911
Sale          100                  32.56
Sale          100                  32.55
Sale          100                  32.62
Sale          44                  32.7000 USD
Sale          44                  32.7000 USD
Sale          32                  32.7000 USD
Sale          11,200               32.69107143
Sale          300                  32.56
Sale          12,400               32.605
Sale          100                  33.05
Sale          100                  33.05
Sale          600                  32.52833333
Sale          200                  32.7345
Sale          300                  32.8
Sale          300                  32.63
Sale          100                  32.57
Sale          500                  32.65
Sale          300                  32.50666667
Sale          1,460                32.71315068
Sale          200                  32.68
Sale          740                  32.72459459
Sale          100                  32.64
Sale          300                  32.61
Sale          1,500                32.61666667
Sale          3,700                32.57594595
Sale          200                  33.05
Sale          400                  32.5625
Sale          300                  32.50333333
Sale          500                  32.65
Sale          300                  32.95333333
Sale          16                   32.7000 USD
Sale          1,700                32.69117647


(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)                 NO


Date of disclosure                         30 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   -2,500                 25.0000          AMER           16/01/2010
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   -500                   20.0000          AMER           22/08/2009
Option            Purchased   -500                   20.0000          AMER           22/08/2009
Option            Purchased   -700                   40.0000          AMER           20/02/2010
Option            Purchased   -700                   40.0000          AMER           16/01/2010
Option            Purchased   -1,400                 30.0000          AMER           22/01/2011
Option            Purchased   -1,700                 30.0000          AMER           21/11/2009
Option            Purchased   -1,900                 55.0000          AMER           22/01/2011
Option            Purchased   -23,600                25.0000          AMER           22/08/2009
Option            Purchased   -2,100                 25.0000          AMER           22/01/2011
Option            Purchased   -100                   22.5000          AMER           22/01/2011
Option            Purchased   -3,200                 35.0000          AMER           16/01/2010
Option            Purchased   -4,300                 50.0000          AMER           22/01/2011
Option            Purchased   -4,400                 55.0000          AMER           16/01/2010
Option            Purchased   -4,600                 25.0000          AMER           16/01/2010
Option            Purchased   -5,100                 35.0000          AMER           22/08/2009
Option            Purchased   -5,300                 30.0000          AMER           22/08/2009
Option            Purchased   -12,200                30.0000          AMER           22/08/2009
Option            Purchased   -14,800                35.0000          AMER           22/08/2009
Option            Purchased   -17,300                40.0000          AMER           19/09/2009
Option            Purchased   -18,100                40.0000          AMER           22/08/2009
Option            Purchased   -2,000                 22.5000          AMER           22/08/2009
Option            Purchased   600                    35.0000          AMER           21/11/2009
Option            Purchased   22,400                 25.0000          AMER           22/08/2009
Option            Purchased   10,400                 35.0000          AMER           19/09/2009
Option            Purchased   6,900                  30.0000          AMER           16/01/2010
Option            Purchased   4,400                  30.0000          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   2,300                  45.0000          AMER           16/01/2010
Option            Purchased   1,800                  40.0000          AMER           22/01/2011
Option            Purchased   1,500                  40.0000          AMER           21/11/2009
Option            Purchased   -100                   17.5000          AMER           16/01/2010
Option            Purchased   900                    35.0000          AMER           16/01/2010
Option            Purchased   -100                   17.5000          AMER           22/08/2009
Option            Purchased   600                    22.5000          AMER           22/08/2009
Option            Purchased   400                    50.0000          AMER           21/11/2009
Option            Purchased   200                    15.0000          AMER           22/01/2011
Option            Purchased   100                    35.0000          AMER           20/02/2010
Option            Purchased   100                    22.5000          AMER           22/01/2011
Option            Purchased   100                    20.0000          AMER           16/01/2010
Option            Purchased   100                    17.5000          AMER           22/01/2011
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   87,900                 35.0000          AMER           22/08/2009
Option            Purchased   1,400                  30.0000          AMER           21/11/2009


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