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               27 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      2,154,647        2.73%       99,199      0.13%
securities
(2) Derivatives           0        0.00%
(other than
options)
(3) Options and     142,500        0.18%      133,700      0.17%
agreements to
purchase/sell
Total             2,297,147        2.91%      232,899      0.29%


(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      600                  34.85
Purchase      700                  34.93
Purchase      1,700                34.92941176
Purchase      126                  34.84619048
Purchase      400                  34.915
Purchase      1,000                34.994
Purchase      300                  34.945
Purchase      200                  34.9645
Purchase      20,900               34.93859378
Purchase      400                  34.6925
Purchase      300                  34.9
Purchase      100                  34.691
Purchase      2,713                34.64037505
Purchase      87                   34.7
Purchase      3,100                34.7805
Purchase      13,800               34.7350 USD
Purchase      100                  34.67
Purchase      1,100                34.8286
Purchase      1,400                34.975
Purchase      56                   34.8200 USD
Purchase      100                  34.92
Purchase      20                   34.92
Purchase      100                  34.98
Purchase      75                   34.56
Purchase      600                  34.64166667
Purchase      200                  34.885
Purchase      106                  34.8200 USD
Purchase      100                  34.77
Purchase      600                  34.69833333
Purchase      44                   34.8200 USD
Purchase      32                   34.8200 USD
Purchase      525                  35.07952381
Purchase      32                   34.8200 USD
Purchase      32                   34.8200 USD
Purchase      800                  34.82875
Sale          300                  34.66666667
Sale          126                  34.8462
Sale          100                  34.99
Sale          200                  34.875
Sale          1,100                34.8286
Sale          400                  34.875
Sale          300                  34.99
Sale          700                  34.85285714
Sale          600                  34.85
Sale          100                  34.61
Sale          1,100                34.8286
Sale          500                  34.9208
Sale          1,500                34.96133333
Sale          13,800               34.5998 USD
Sale          7,391                34.8159 USD
Sale          900                  34.8032 USD
Sale          725                  34.8159 USD
Sale          621                  34.8159 USD
Sale          200                  34.8032 USD
Sale          169                  34.8159 USD
Sale          48                   34.8200 USD
Sale          44                   34.8200 USD
Sale          32                   34.8200 USD
Sale          1,100                34.74272727
Sale          21                   34.8200 USD
Sale          400                  34.9275
Sale          200                  35.045
Sale          1,000                34.994
Sale          100                  34.61
Sale          300                  34.945
Sale          87                   34.7
Sale          2,813                34.64217472
Sale          23,900               34.9375
Sale          100                  34.691
Sale          300                  34.89
Sale          800                  34.783125
Sale          300                  34.56666667
Sale          22                   34.8200 USD

(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                         28 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   -600                   40.0000          AMER           16/01/2010
Option            Purchased   -700                   40.0000          AMER           20/02/2010
Option            Purchased   -1,400                 30.0000          AMER           22/01/2011
Option            Purchased   -1,700                 30.0000          AMER           22/08/2009
Option            Purchased   -1,700                 30.0000          AMER           21/11/2009
Option            Purchased   -23,600                25.0000          AMER           22/08/2009
Option            Purchased   -2,000                 22.5000          AMER           22/08/2009
Option            Purchased   -100                   22.5000          AMER           22/01/2011
Option            Purchased   -2,800                 35.0000          AMER           19/09/2009
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   -6,100                 35.0000          AMER           22/08/2009
Option            Purchased   -16,800                35.0000          AMER           22/08/2009
Option            Purchased   -17,300                40.0000          AMER           19/09/2009
Option            Purchased   -17,900                40.0000          AMER           22/08/2009
Option            Purchased   -18,000                30.0000          AMER           22/08/2009
Option            Purchased   -1,900                 55.0000          AMER           22/01/2011
Option            Purchased   600                    35.0000          AMER           21/11/2009
Option            Purchased   22,400                 25.0000          AMER           22/08/2009
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   1,400                  30.0000          AMER           21/11/2009
Option            Purchased   -100                   17.5000          AMER           22/08/2009
Option            Purchased   900                    25.0000          AMER           22/01/2011
Option            Purchased   -100                   17.5000          AMER           16/01/2010
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   900                    35.0000          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