Rule 2.10 Announcement

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN WHOLE OR IN PART IN, INTO OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OR REGULATIONS OF THAT JURISDICTION

FOR IMMEDIATE RELEASE

9 August 2016

J Sainsbury plc ("Sainsbury's")

Rule 2.10 Announcement - Relevant Securities in Issue

In accordance with Rule 2.10 of the UK Takeover Code, Sainsbury's confirms that as at the close of business on 8 August 2016 it had the following securities in issue:

· 1,925,576,751 ordinary shares of 284/7 pence each admitted to trading on the London Stock Exchange's main market for listed securities. The International Securities Identification Number for Sainsbury's ordinary shares is GB00B019KW72;

· A sponsored Level 1 American Depositary Receipts ("ADRs") programme for which The Bank of New York Mellon acts as the depositary bank. Each ADR represents four ordinary shares in the capital of Sainsbury's. The ADRs trade in the over-the-counter market in the United Sates under the trading symbol JSAIY and the ISIN is US4662492085;

· GBP 450,000,000 of convertible bonds due in November 2019 with a coupon of 1.25 per cent. per annum (the "2019 Convertible Bonds"). The 2019 Convertible Bonds are convertible into ordinary shares in Sainsbury's. The International Securities Identification Number for the 2019 Convertible Bonds is XS1139087933; and

· GBP 250,000,000 of subordinated perpetual convertible bonds with a coupon of 2.875 per cent. per annum (the "Perpetual Convertible Bonds"). The Perpetual Convertible Bonds are convertible into ordinary shares in Sainsbury's until 23 July 2021. The International Securities Identification Number for the Perpetual Convertible Bonds is XS1268412993.