Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN Date: 12 June 2013 Name of applicant: Johnson Matthey plc Name of scheme: 2001 Executive Share Option Scheme Part A/B Period of return: From: 1 December 2012 To: 31 May 2013 Balance of unallotted securitiesunder scheme from previous return: 860,469 The amount by which the block scheme Nilhas been increased since the date ofthe last return (if any increase hasbeen applied for): Number of securities issued/allotted Nilunder scheme during period: Balance under scheme not yet issued/ 860,469allotted at end of period Name of contact:Angela PurtillDeputy Company SecretaryJohnson Matthey plc Telephone number of contact: 020 7269 8461