Blocklisting - Interim Review

BLOCK LISTING RETURN Date: 2 March 2015 Name of applicant: Elementis plc Name of scheme: Elementis 2003 Executive Share Option Scheme Period of return: From: 1 September To: 28 February 2015 2014 Balance of unallotted securities 1,159,765under scheme(s) from previousreturn: Plus: The amount by which the block nilscheme(s) has been increased sincethe date of the last return (if anyincrease has been applied for): Less: Number of securities issued/ 42,599allotted under scheme(s) duringperiod (see LR3.5.7G): Equals: Balance under scheme(s) not 1,117,166yet issued/allotted at end ofperiod: Name of applicant: Elementis plc Name of scheme: Elementis plc 2008 Savings Related Share Option Scheme Period of return: From: 1 September To: 28 February 2015 2014 Balance of unallotted securities 317,434under scheme(s) from previousreturn: Plus: The amount by which the block nilscheme(s) has been increased sincethe date of the last return (if anyincrease has been applied for): Less: Number of securities issued/ 298,346allotted under scheme(s) duringperiod (see LR3.5.7G): Equals: Balance under scheme(s) not 19,088yet issued/allotted at end ofperiod: Name of applicant: Elementis plc Name of scheme: Elementis plc Long Term Incentive Plan 2008 (as amended in 2010) Period of return: From: 1 September To: 28 February 2015 2014 Balance of unallotted securities 500under scheme(s) from previousreturn: Plus: The amount by which the block 750,000scheme(s) has been increased sincethe date of the last return (if anyincrease has been applied for): Less: Number of securities issued/ nilallotted under scheme(s) duringperiod (see LR3.5.7G): Equals: Balance under scheme(s) not 750,500yet issued/allotted at end ofperiod: Name of contact: Wai Wong Telephone number of contact: 020 7408 9300 Total number of shares in issue at 461,668,329the end of the period