Director/PDMR Shareholding

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

SUSAN JANE DAVY

2

Reason for the notification

a)

Position/status

CHIEF FINANCIAL OFFICER

b)

Initial notification/Amendment

INITIAL NOTIFICATION

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

PENNON GROUP PLC

b)

LEI

213800V1CCTS41GWH423

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

ORDINARY SHARES OF 40.7p EACH

GB00B18V8630

b)

Nature of the transaction

PURCHASE OF SHARES TO GO INTO SHARE INCENTIVE PLAN (SIP)

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

15 SHARES

£8.433500

£126.50

e)

Date of the transaction

19 OCTOBER 2016

f)

Place of the transaction

London Stock Exchange (XLON)

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

CHRISTOPHER LOUGHLIN

2

Reason for the notification

a)

Position/status

GROUP CHIEF EXECUTIVE OFFICER

b)

Initial notification/Amendment

INITIAL NOTIFICATION

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

PENNON GROUP PLC

b)

LEI

213800V1CCTS41GWH423

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

ORDINARY SHARES OF 40.7p EACH

GB00B18V8630

b)

Nature of the transaction

PURCHASE OF SHARES TO GO INTO SHARE INCENTIVE PLAN (SIP)

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

18 SHARES

£8.433500

£151.80

e)

Date of the transaction

19 OCTOBER 2016

f)

Place of the transaction

London Stock Exchange (XLON)

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

MONICA SUSAN READ

2

Reason for the notification

a)

Position/status

BUSINESS SERVICES & SUSTAINABILITY DIRECTOR

b)

Initial notification/Amendment

INITIAL NOTIFICATION

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

PENNON GROUP PLC

b)

LEI

213800V1CCTS41GWH423

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

ORDINARY SHARES OF 40.7p EACH

GB00B18V8630

b)

Nature of the transaction

PURCHASE OF SHARES TO GO INTO SHARE INCENTIVE PLAN (SIP)

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

18 SHARES

£8.433500

£151.80

e)

Date of the transaction

19 OCTOBER 2016

f)

Place of the transaction

London Stock Exchange (XLON)

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

LOUISE FRANCES ROWE

2

Reason for the notification

a)

Position/status

FINANCE DIRECTOR, SOUTH WEST WATER

b)

Initial notification/Amendment

INITIAL NOTIFICATION

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

PENNON GROUP PLC

b)

LEI

213800V1CCTS41GWH423

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

ORDINARY SHARES OF 40.7p EACH

GB00B18V8630

b)

Nature of the transaction

PURCHASE OF SHARES TO GO INTO SHARE INCENTIVE PLAN (SIP)

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

18 SHARES

£8.433500

£151.80

e)

Date of the transaction

19 OCTOBER 2016

f)

Place of the transaction

London Stock Exchange (XLON)

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

SARAH HEALD

2

Reason for the notification

a)

Position/status

DIRECTOR OF CORPORATE AFFAIRS & INVESTOR RELATIONS

b)

Initial notification/Amendment

INITIAL NOTIFICATION

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

PENNON GROUP PLC

b)

LEI

213800V1CCTS41GWH423

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

ORDINARY SHARES OF 40.7p EACH

GB00B18V8630

b)

Nature of the transaction

PURCHASE OF SHARES TO GO INTO SHARE INCENTIVE PLAN (SIP)

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

18 SHARES

£8.433500

£151.80

e)

Date of the transaction

19 OCTOBER 2016

f)

Place of the transaction

London Stock Exchange (XLON)

Name of authorised official of issuer responsible for making notification

RICHARD C ZMUDA, ASSISTANT COMPANY SECRETARY

Date of notification 20 OCTOBER 2016