Block Listing Six Monthly Return

Name of applicant:

Severn Trent Plc

Name of scheme:

Severn Trent Sharesave Scheme

Period of return:

From:

1 Nov 2025

To:

30 April 2026

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

53,186 (ordinary shares of 9717/19 pence each)

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):

802,000 (ordinary shares of 9717/19 pence each)

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

14,995 (ordinary shares of 9717/19 pence each)

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

840,191 (ordinary shares of 9717/19 pence each)

Name of applicant:

Severn Trent Plc

Name of scheme:

Severn Trent (Executive) Share Option Scheme

Period of return:

From:

1 Nov 2025

To:

30 April 2026

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

2,596 (ordinary shares of 9717/19 pence each)

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:

2,596 (ordinary shares of 9717/19 pence each)

Name of contact:

Aline Campbell

Telephone number of contact:

07834 420104