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               19 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       2,131,548     2.71%         71,968     0.09%
securities
(2) Derivatives            0     0.00%              0     0.00%
(other than
options)
(3) Options and      144,600     0.18%         64,600     0.08%
agreements to
purchase/sell
Total              2,276,148     2.89%        136,568     0.17%


(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       24,523                34.3900 USD
Purchase       3,675                 34.3900 USD
Purchase       716                   34.3900 USD
Purchase       327                   34.3900 USD
Sale           24,630                34.3900 USD
Sale           3,675                 34.3900 USD
Sale           1,183                 34.8551 USD
Sale           800                   34.8725 USD
Sale           234                   34.9185 USD
Sale           51                    34.3900 USD
Sale           51                    34.3900 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)
Call            Purchase          100                30        American        20/06/2009  4.2
Call            Purchase          100                35        American        22/08/2009  2.100
Call            Purchase          100                35        American        21/11/2009  4.000
Call            Purchase          100                40        American        22/08/2009  0.600
Call            Purchase          200                30        American        20/06/2009  4.2
Call            Purchase          200                35        American        21/11/2009  3.650
Call            Purchase          300                30        American        20/06/2009  4.496
Call            Purchase          300                40        American        22/08/2009  0.600
Call            Purchase          400                35        American        18/07/2009  1.125
Call            Purchase          600                35        American        18/07/2009  1.400
Call            Purchase          800                35        American        20/06/2009  0.125
Call            Purchase          800                35        American        21/11/2009  4.000
Call            Purchase          900                30        American        20/06/2009  4.678
Call            Purchase          1000               35        American        18/07/2009  1.200
Call            Purchase          3500               35        American        20/06/2009  0.026
Call            Sale              100                30        American        20/06/2009  4.2
Call            Sale              100                35        American        20/06/2009  0.100
Call            Sale              100                35        American        22/08/2009  2.100
Call            Sale              100                35        American        22/08/2009  2.300
Call            Sale              100                40        American        22/08/2009  0.600
Call            Sale              200                35        American        21/11/2009  3.650
Call            Sale              300                30        American        20/06/2009  4.496
Call            Sale              300                40        American        22/08/2009  0.600
Call            Sale              400                35        American        18/07/2009  1.125
Call            Sale              400                35        American        22/08/2009  2.300
Call            Sale              600                35        American        18/07/2009  1.490
Call            Sale              800                35        American        20/06/2009  0.125
Call            Sale              900                30        American        20/06/2009  4.678
Call            Sale              3500               35        American        20/06/2009  0.026
Put             Purchase          100                30        American        22/08/2009  1.050
Put             Purchase          100                35        American        20/06/2009  0.282
Put             Purchase          100                35        American        20/06/2009  0.350
Put             Purchase          100                35        American        20/06/2009  0.383
Put             Purchase          100                35        American        18/07/2009  1.600
Put             Purchase          100                35        American        18/07/2009  1.750
Put             Purchase          400                30        American        22/08/2009  1.050
Put             Purchase          400                35        American        18/07/2009  1.900
Put             Purchase          5000               30        American        22/08/2009  1.000
Put             Sale              100                30        American        22/08/2009  1.000
Put             Sale              100                30        American        22/08/2009  1.050
Put             Sale              100                35        American        20/06/2009  0.282
Put             Sale              100                35        American        20/06/2009  0.383
Put             Sale              400                30        American        22/08/2009  1.050
Put             Sale              400                35        American        18/07/2009  1.900


(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                         22 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