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 Block
Listing of 800,000 ordinary shares of 28 101/108 pence ("Ordinary Shares") each
fully paid, ranking pari passu with the existing issued Ordinary Shares of the
Company:

Of these, 300,000 Ordinary Shares are to be admitted to trading on the Main
Securities Market of the ISE upon allotment in connection with the Diageo plc
Associated Companies Share Option Plan and 500,000 Ordinary Shares are to be
admitted to trading on the Main Securities Market of the ISE upon allotment in
connection with the Diageo plc Associated Companies Share Incentive Plan.

J Nicholls

Deputy Company Secretary

11 September 2013