Irish Stock Exchange Blocklisting

TO: Regulatory Information Service PR Newswire RE: Paragraph 4.5.5 of the Irish Stock Exchange Listing Rules Diageo plc - Additional Listing In conformity with Paragraph 4.5.5 of the Irish Stock Exchange Listing Rules,Diageo plc (the "Company") would like to notify the market of the following: Application has been made to the Irish Stock Exchange ("ISE") for the BlockListing of 800,000 ordinary shares of 28 101/108 pence ("Ordinary Shares") eachfully paid, ranking pari passu with the existing issued Ordinary Shares of theCompany: Of these, 300,000 Ordinary Shares are to be admitted to trading on the MainSecurities Market of the ISE upon allotment in connection with the Diageo plcAssociated Companies Share Option Plan and 500,000 Ordinary Shares are to beadmitted to trading on the Main Securities Market of the ISE upon allotment inconnection with the Diageo plc Associated Companies Share Incentive Plan. J Nicholls Deputy Company Secretary

11 September 2013