Transaction in Own Shares

DIAGEO PLC

TRANSACTIONS IN OWN SECURITIES

Diageo plc ("Diageo") announces today that it has purchased the following number of its ordinary shares of 28 101/108 pence each on the London Stock Exchange and Multilateral Trading Facilities from Morgan Stanley & Co. International Plc. Such purchase was effected pursuant to instructions issued by Diageo on 7th September 2017, as announced on 8th September 2017:

Ordinary Shares

Date of purchase: 7 December 2017

Number of ordinary shares purchased: 376,561

Volume weighted average price paid per share: 2,647.63p

Highest price paid per share: 2,675.00p

Lowest price paid per share: 2,624.00p

Diageo intends to cancel the purchased shares.

A full breakdown of the individual trades is attached to this announcement.http://www.rns-pdf.londonstockexchange.com/rns/7522Y_-2017-12-7.pdf

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

Diageo's LEI code is 213800ZVIELEA55JMJ32