The move effectively eliminated Cardew's financial comms role, which it held for two years.
Lovering, who failed to take over the group in 2003, was installed as chairman when a consortium comprising Apax Partners Worldwide, Barclays Capital and Techenguiz Family Trust bought Somerfield for £1.1bn on 21 December 2005.
The acquisition marked the end of a protracted battle for the UK's fifth-largest grocer, which began with an approach from Icelandic venture capital group Baugur last February.
United Co-operative and London & Regional Properties also expressed an initial interest, but both subsequently dropped out of the running.
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