Simply login to your Klubfunder account with your club administrator login. 

From your 'My Account' area click on 'Klub Lotto'

Click on 'Download Sales' option - see screenshot below

In the column 'Name & Contact' you will find a 'telephone number' and 'email address' for the person who made the purchase.  If they entered their address at the time of purchase, this will also be displayed.