Holding(s) in Company

Flomerics Group PLC
19 March 2008


Flomerics Group plc


TR-1: Notifications of Major Interests in Shares


1. Identity of the issuer or the underlying issuer of         Flomerics Group plc
existing shares to which voting rights are attached:


2. Reason for notification (yes/no)                                                     X

An acquisition or disposal of voting rights


An acquisition or disposal of financial instruments which may result in the acquisition
of shares already issued to which voting rights are attached


An event changing the breakdown of voting rights


Other (please specify):______________                Mentor Graphics Corporations

3. Full name of person(s) subject to notification
obligation:


4. Full name of shareholder(s) (if different from
3):                                                  17 March 2008

5. Date of transaction (and date on which the
threshold is crossed or reached if different):       18 March 2008

6. Date on which issuer notified:                    Passed the 25% threhold (25.77%)

7. Threshold(s) that is/are crossed or reached:


8: Notified Details
A: Voting rights attached to shares


Class/type of   Situation previous to the Resulting situation after the triggering transaction
shares          triggering transaction
                Number of    Number of    Number of    Number of voting rights Percentage of voting
If possible use shares       voting       shares                               rights
ISIN code                    rights

                                                       Direct      Indirect    Direct       Indirect

Ordinary shares 4,479,715    4,479,715    5,859,715    5,859,715   0           25.77%       0
ISIN
GB0003436192



B: Financial Instruments


Resulting situation after the triggering transaction


Type of financial    Expiration date      Exercise/ conversion No. of voting rights  Percentage of voting
instrument                                period/date          that may be acquired  rights
                                                               (if the instrument
                                                               exercised/converted)
N/A                  N/A                  N/A                  N/A                   N/A



Total (A+B)


Number of voting rights                              Percentage of voting rights
5,859,715                                            25.77%



9. Chain of controlled undertakings through which the voting rights and /or the financial instruments are effectively
held, if applicable:



Proxy Voting:


10. Name of proxy holder:


11. Number of voting rights proxy holder will cease
to hold:


12. Date on which proxy holder will cease to hold
voting rights:


13. Additional information:


14 Contact name:                                      Dean Freed

                                                      Vice President & General Counsel
15. Contact telephone name:                           [phone]




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