Publication of Half-Year Report

Interserve Plc Publication of the Half-Year Report for the six months ended 30 June 2013 Further to the half-year results announcement made on 14 August 2013,Interserve Plc confirms that the Half-Year Report for the six months ended 30June 2013 has today been published on the Interserve website atwww.interserve.com/investors. A copy of the Half-Year Report has also been submitted to the National StorageMechanism and will shortly be available for inspection at www.hemscott.com/nsm.do. Trevor BradburyGroup Secretary23 August 2013