Value driven solutions

REG-Misys: Holding(s) in Company <MSY.L>

Released: 05/12/2007


Misys plc announces that it has received the notifications set out below from
Ameriprise Financial, Inc and its group pursuant to DTR 5 of the FSA's
Disclosure Rules and Transparency Rules. 
Andrea Gray
Assistant Company Secretary
Misys plc
Tel: 01386 872130
05.12.07
TR-1: Notifications of Major Interests in Shares                               
1. Identity of the issuer or the underlying     Misys Plc                      
issuer of existing shares to which voting                                      
rights are attached:                                                           
                                                                               
2. Reason for notification (yes/no)                                            
                                                                               
An acquisition or disposal of voting rights                          Yes       
                                                                               
An acquisition or disposal of financial instruments which may result No        
in the acquisition of shares already issued to which voting rights             
are attached                                                                   
                                                                               
An event changing the breakdown of voting rights                     No        
                                                                               
Other (please specify):______________                                No        
                                                                               
3. Full name of person(s) subject to    Ameriprise Financial, Inc and its group
notification obligation:                                                       
                                                                               
4. Full name of shareholder(s) (if      See additional information under 13.   
different from 3):                                                             
                                                                               
5. Date of transaction (and date on     03/12/07                               
which the threshold is crossed or                                              
reached if different):                                                         
                                                                               
6. Date on which issuer notified:       04/12/07                               
                                                                               
7. Threshold(s) that is/are crossed or  Below 5%                               
reached:                                                                       
8: Notified Details                                                            
                                                                               
A: Voting rights attached to shares                                            
                                                                               
Class/type   Situation previous to Resulting situation after the triggering    
of shares    the triggering        transaction                                 
             transaction                                                       
If possible                                                                    
use ISIN                                                                       
code                                                                           
                                                                               
Number of   Number of  Number of  Number of voting    Percentage of             
shares      voting     shares     rights              voting rights             
            rights                                                              
                                  Direct     Indirect Direct     Indirect       
                                                                                
GB000385780 25,255,743 25,255,743 25,082,743 742,814  24,339,929  0.147%  4.833%
B: Financial Instruments                                                       
                                                                               
Resulting situation after the triggering transaction                           
                                                                               
Type of        Expiration     Exercise/       No. of voting      Percentage of 
financial      date           conversion      rights that may be voting rights 
instrument                    period/date     acquired (if the                 
                                              instrument                       
                                              exercised/                       
                                              converted)                       
                                                                               
Total (A+B)                                                                    
                                                                               
Number of voting rights                 Percentage of voting rights            
                                                                               
25,082,743                              4.981%                                 
9. Chain of controlled undertakings through which the voting rights and /or the
financial instruments are effectively held, if applicable:                     
                                                                               
Ameriprise Financial, Inc., which controls the voting rights of Threadneedle   
Asset Management Holdings Ltd, which controls the voting rights of Threadneedle
Asset Management Ltd, Threadneedle International Ltd and Threadneedle Pensions 
Ltd.                                                                           
Proxy Voting:                                                                  
                                                                               
10. Name of proxy holder:               N/A                                    
                                                                               
11. Number of voting rights proxy       N/A                                    
holder will cease to hold:                                                     
                                                                               
12. Date on which proxy holder will     N/A                                    
cease to hold voting rights:                                                   
13. Additional information:                                                    
                                                                               
                                      Registered owner       A/c               
                                                                               
                                      Littledown Nominees   02891   13,634,498 
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   05577     149,000  
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   05576    2,260,000 
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   07198     551,814  
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   07197     191,000  
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   10479     16,353   
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   07203     120,000  
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   21667     46,000   
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   34789     163,000  
                                      Ltd                                      
                                                                               
                                      BNY (OCS) Nominees    277650    224,985  
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   10491    3,188,023 
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   10488    3,417,783 
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   10490     500,000  
                                      Ltd                                      
                                                                               
                                      Littledown Nominees   02642     620,287  
                                      Ltd                                      
                                                                               
14 Contact name:                      Company Secretary, Threadneedle group    
                                                                               
15. Contact telephone name:           0207 464 5000                            
END