Holding(s) in Company

Grainger plcHoldings in Company

Grainger plc announces that it has received a notification dated 16 November 2010 from BNP Paribas Investment Partners S.A. that, following a transaction on 15 November 2010, they now have a total interest in 21,317,389 ordinary shares of the company representing 5.12% of the total voting rights.

For and on behalf ofGrainger plc

M P Windle

Assistant Company Secretary