Block listing Interim Review

Name of applicant:

Centrica plc

Name of scheme:

Centrica Sharesave Scheme

Period of return:

From:

01 November 2017

To:

30 April 2018

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

5,000,056 ORDINARY 6 14/81p

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):

0

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

0

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

5,000,056 ORDINARY 6 14/81p

Name of contact:

Andy Hodges

Telephone number of contact:

+44 (0)1753 494000

Name of applicant:

Centrica plc

Name of scheme:

Centrica Share Incentive Plan

Period of return:

From:

01 November 2017

To:

30 April 2018

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

876,245 ORDINARY 6 14/81p

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):

0

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

0

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

876,245 ORDINARY 6 14/81p

Name of contact:

Andy Hodges

Telephone number of contact:

+44 (0)1753 494000

Name of applicant:

Centrica plc

Name of scheme:

Centrica Long Term Incentive Scheme

Period of return:

From:

01 November 2017

To:

30 April 2018

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

6,457,948 ORDINARY 6 14/81p

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):

0

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

0

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

6,457,948 ORDINARY 6 14/81p

Name of contact:

Andy Hodges

Telephone number of contact:

+44 (0)1753 494000

Name of applicant:

Centrica plc

Name of scheme:

Centrica North American Employee Share Purchase Plan

Period of return:

From:

01 November 2017

To:

30 April 2018

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

152,596 ORDINARY 6 14/81p

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):

0

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

0

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

152,596 ORDINARY 6 14/81p

Name of contact:

Andy Hodges

Telephone number of contact:

+44 (0)1753 494000

Name of applicant:

Centrica plc

Name of scheme:

Centrica Deferred and Matching Share Scheme

Period of return:

From:

01 November 2017

To:

30 April 2018

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

1,035,903 ORDINARY 6 14/81p

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):

0

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

0

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

1,035,903 ORDINARY 6 14/81p

Name of contact:

Andy Hodges

Telephone number of contact:

+44 (0)1753 494000