Rule 8.3 - MISYS PLC

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              MISYS PLC
Class of relevant security    ORD GBP 0.01
to which the dealings being
disclosed relate (Note 2)
Date of dealing              15 September 2006

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      17,420,483     3.48%         2,128,798     0.43%
securities
(2) Derivatives    1,811,790     0.36%         1,423,104     0.28%
(other than
options)
(3) Options and            0     0.00%                 0     0.00%
agreements to
purchase/sell

Total             19,232,273     3.84%         3,551,902     0.71%


(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      26,400               2.3350
Purchase      4,308                2.3230
Purchase      35,041               2.3350
Purchase      5,712                Transfer
Purchase      7,600                2.3304
Purchase      18,725               2.3289
Purchase      11,581               2.3355
Sale          103,130              2.3345
Sale          2,000                2.3311
Sale          9,628                2.3350
Sale          245                  2.3240
Sale          50,482               2.3350
Sale          1,520                2.3280
Sale          1,819                2.3450
Sale          3,000                2.3220
Sale          1,450                2.3336
Sale          5,824                2.3350

(b)  Derivatives transactions (other than options)

Product    Long/Short    Number of Securities  Price Per
name,      (Note 6)      (Note 7)              Unit (GBP)
e.g. CFD
CFD        Short         3000                  2.3220
CFD        Short         103130                2.3345
CFD        Long          4308                  2.3229
CFD        Long          10131                 2.3286
CFD        Long          18725                 2.3288
CFD        Long          7600                  2.3303
CFD        Long          35041                 2.3349
CFD        Long          26400                 2.3350
CFD        Long          11581                 2.3354


(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

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                         18 September 2006
Contact name                               BARCLAYS COMPLIANCE
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