Elementis: Blocklisting Interim Review

Name of applicant:

Elementis plc

Name of scheme:

Elementis 2003 Executive Share Option Scheme

Period of return:

From:

1 September 2025

To:

28 February 2026

Balance of unallotted securities under scheme(s) from previous return:

512,357

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

Nil

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

512,357

Name of applicant:

Elementis plc

Name of scheme:

Elementis 2012 Executive Share Option Scheme

Period of return:

From:

1 September 2025

To:

28 February 2026

Balance of unallotted securities under scheme(s) from previous return:

660,000

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

Nil

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

660,000

Name of applicant:

Elementis plc

Name of scheme:

Elementis plc 2008 Savings Related Share Option Scheme

Period of return:

From:

1 September 2025

To:

 28 February 2026

Balance of unallotted securities under scheme(s) from previous return:

96,980

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

Nil

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

96,980

Name of applicant:

Elementis plc

Name of scheme:

Elementis plc 2018 Savings Related Share Option Scheme

Period of return:

From:

1 September 2025

To:

 28 February 2026

Balance of unallotted securities under scheme(s) from previous return:

600,815

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

Nil

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

600,815

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 2025

To:

28 February 2026

Balance of unallotted securities under scheme(s) from previous return:

653,362

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

Nil

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

653,362

Name of applicant:

Elementis plc

Name of scheme:

Elementis plc Long Term Incentive Plan 2018

Period of return:

From:

1 September 2025

To:

 28 February 2026

Balance of unallotted securities under scheme(s) from previous return:

1,711,320

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

Nil

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

1,711,320

Name of contact:

Hannah Constantine

Telephone number of contact:

020 8148 5966

Total number of shares in issue at the end of the period

569,315,667