Top 10 Holdings as at 31 July 2006

Alliance Trust PLC

Alliance Trust PLC declares that its ten largest investments as at 31 July 2006
were:

Company                         Equity      Fixed      Total     % of
                              Holdings     Income   Holdings    Gross
                               (£000s)   Holdings    (£000s)   Assets
                                          (£000s)                    
                                                                     
BP PLC                        97,210.5              97,210.5     3.54
                                                                     
ROYAL DUTCH SHELL             85,946.3              85,946.3     3.13
                                                                     
GLAXOSMITHKLINE PLC           78,522.9              78,522.9     2.86
                                                                     
HBOS PLC                      45,046.3    9,993.8   55,040.0     2.00
                                                                     
HSBC HOLDINGS PLC ORD $0.50   48,714.1              48,714.1     1.77
                                                                     
ISHARES RUSSELL MIDCAP        46,090.9              46,090.9     1.68
INDEX FUND                                                           
                                                                     
ROYAL BANK OF SCOTLAND        41,292.3              41,292.3     1.50
                                                                     
PERSIMMON PLC                 38,856.5              38,856.5     1.41
                                                                     
RIO TINTO PLC ORD 10P         38,267.6              38,267.6     1.39
                                                                     
ALLIANCE TRUST REAL ESTATE    36,400.1              36,400.1     1.32
PARTNERSHIP                                                          

Total Gross Assets (£000s)  £2,748,154.891  

There is no single investment with a value in excess of 5% of gross assets.

Name of contact                         Mr Ian Anderson                        
                                                                               
Telephone Number                        01382 201700                           
                                                                               
Date of notification                    2 August 2006