Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi                                                         
                                                                                                        
1. Identity of the issuer or the                      Wincanton plc                                     
underlying issuer                                                                                       
of existing shares to which voting rights                                                               
are attached:                                                                                               
                                                                                                        
2 Reason for the notification (please tick the appropriate box or boxes):                               
                                                                                                        
An acquisition or disposal of voting rights                                                   Yes       
                                                                                                        
An acquisition or disposal of qualifying financial instruments which may                       No       
result in the acquisition of shares already issued to which voting                                      
rights are attached                                                                                     
                                                                                                        
An acquisition or disposal of instruments with similar economic effect                         No       
to qualifying financial instruments                                                                     
                                                                                                        
An event changing the breakdown of voting rights                                               No       
                                                                                                        
Other (please                                                                                  No       
specify):                                                                                               
                                                                                                        
3. Full name of person(s) subject to            Ameriprise Financial, Inc. and its group                
the                                                                                                     
notification obligation:                                                                                
                                                                                                        
4. Full name of shareholder(s)                  See additional information under 13                     
(if different from 3.):                                                                                 
                                                                                                        
5. Date of the transaction and date             30 April 2013                                           
on which the threshold is crossed or                                                                       
reached:                                                                                                
                                                                                                        
6. Date on which issuer notified:               01 May 2013                                             
                                                                                                        
7. Threshold(s) that is/are crossed             Above the threshold of 12%                              
or reached:                                                                                                
                                                                                                        
8. Notified details:                                                                                    
                                                                                                        
A: Voting rights attached to shares                                                                     
                                                                                                        
Class/type   Situation                    Resulting situation after the triggering                      
of           previous                     transaction                                                   
shares       to the triggering                                                                          
             transaction                                                                                
                                                                                                        
if possible  Number            Number     Number       Number of voting      % of voting rights         
using        of                of         of shares    rights                                           
the ISIN     Shares            Voting                                                                   
CODE                           Rights     Direct       Direct     Indirect   Direct             Indirect
                                                                                                        
Ordinary     13,393,159        13,393,159 118,000      118,000    14,574,957 0.097%             11.971% 
Shares of 10                                                                                            
pence each                                                                                              
                                                                                                        
GB0030329360                                                                                            
                                                                                                        
B: Qualifying Financial Instruments                                                                     
                                                                                                        
Resulting situation after the triggering transaction                                                    
                                                                                                        
Type of financial        Expiration   Exercise/               Number of voting         % of voting      
instrument                            Conversion Period       rights that may be       rights           
                         date                                 acquired if the                           
                                                              instrument is                             
                                                              exercised/                                
                                                              converted.                                
                                                                                                        
N/A                      N/A          N/A                     N/A                      N/A              
                                                                                                        
C: Financial Instruments with similar economic effect to Qualifying Financial                           
Instruments                                                                                             
                                                                                                        
Resulting situation after the triggering transaction                                                    
                                                                                                        
Type of            Exercise       Expiration Exercise/    Number of voting        % of voting           
financial          price          date       Conversion   rights instrument       rights                
instrument                                   period       refers to                                     
                                                                                                        
N/A                N/A            N/A        N/A          N/A                     Nominal           Delta
                                                                                                        
                                                                                  N/A               N/A 
                                                                                                        
Total (A+B+C)                                                                                           
                                                                                                        
Number of voting rights                            Percentage of voting rights                          
                                                                                                        
14,692,957                                         12.068%                                              

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:                    
                                                                              
Ameriprise Financial, Inc., which through intermediate holding companies      
controls the voting rights of Columbia Management Investment Advisers,        
Columbia Wanger Asset Management, Threadneedle Management Luxembourg S.A. and 
Threadneedle Asset Management Holdings Ltd, which itself controls the voting  
rights of Threadneedle Asset Management Ltd, Threadneedle International Ltd   
and Threadneedle Pensions Ltd.                                                
                                                                              
Proxy Voting:                                                                 
                                                                              
10. Name of the proxy holder:                    N/A                          
                                                                              
11. Number of voting rights proxy holder will    N/A                          
cease                                                                         
to hold:                                                                      
                                                                              
12. Date on which proxy holder will cease to     N/A                          
hold                                                                          
voting rights:                                                                
                                                                              
                                                                              
13. Additional information: Registered Owner                                  
                                                                              
State Street Nominees Limited A/c XC7N                               1,453,319
                                                                              
HSBC Global Custody Nominee (UK) Limited A/c 683182                    544,681
                                                                              
Littledown Nominees Ltd A/c ZLA05                                      369,073
                                                                              
Littledown Nominees Ltd A/c ZLA07                                    3,460,000
                                                                              
Littledown Nominees Ltd A/c 07197                                      118,000
                                                                              
Littledown Nominees Ltd A/c 10479                                        3,228
                                                                              
Littledown Nominees Ltd A/C 34789                                      189,000
                                                                              
Littledown Nominees Ltd A/c 18667                                      476,768
                                                                              
Littledown Nominees Ltd A/c 10496                                    6,920,923
                                                                              
Littledown Nominees Ltd A/c 10492                                    1,157,965
                                                                              
14. Contact name:           Steve Williams, Company Secretary                 
                                                                              
15. Contact telephone       [phone]                                     
number:                                                                       
                                                                              
16. Authorised by:          Steve Williams, Company Secretary                 
                                                                              
                            2 May 2013