Blocklisting - Interim Review

SCHEDULE 5

                             BLOCK LISTING RETURN                              

To: Listing Applications

UK Listing Authority

Financial Services Authority

25, The North Colonnade

Canary Wharf

London, E14 5HS

Please ensure the entries on this return are type

1. Name of company: Keller Group plc                                           

2. Name of scheme: Keller Group plc Performance Share Plan                     

3. Period of return: From 01/01/2007 to 30/06/2007                             

4.  Number and class of share(s) (amount  621,500 Ordinary 10p Shares          
    of stock/debt security) not issued                                         
    under scheme at start of period                                            

5.  Number of shares issued/allotted      250,000                              
    under scheme during period:                                                

6.  Balance under block listing scheme    371,500                              
    not yet issued/allotted at end of                                          
    period                                                                     

7.  Number and class of share(s) (amount  621,500 Ordinary 10p Shares admitted 
    of stock/debt securities) originally  on 11/1/2007                         
    listed and the date of admission;                                          

Please confirm total number of shares in issue at the end of the period in     
order for us to update our records:                                            
                                                                               
66,224,235                                                                     

Contact for queries: Keller Group plc   Address: 12th Floor, Capital House, 25 
                                        Chapel Street,                         
                                                                               
                                        London, NW1 5DH                        

Name: Mrs Jackie Holman                 Telephone: [phone]               

Person making return Name:………………………………………………….

Position:………………………………………………….Signature:……………………………………………