Director/PDMR Shareholding

 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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

29,575

£7.6136

£225,172.22

e)

Date of the transaction

25 July 2018

f)

Place of the transaction

London Stock Exchange (XLON)

 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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

22,746

£7.6136

£173,178.95

e)

Date of the transaction

25 July 2018

f)

Place of the transaction

London Stock Exchange (XLON)

 1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

HELEN BARRETT-HAGUE

2

Reason for the notification

a)

Position/status

GROUP GENERAL COUNSEL & COMPANY SECRETARY

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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

10,226

£7.6136

£77,856.67

e)

Date of the transaction

25 July 2018

f)

Place of the transaction

London Stock Exchange (XLON)

 1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

STEPHEN CHARLES BIRD

2

Reason for the notification

a)

Position/status

MANAGING 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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

10,198

£7.6136

£77,643.49

e)

Date of the transaction

25 July 2018

f)

Place of the transaction

London Stock Exchange (XLON)

 1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

PHILLIP CHARLES PIDDINGTON

2

Reason for the notification

a)

Position/status

MANAGING DIRECTOR, VIRIDOR

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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

10,574

£7.6136

£80,506.21

e)

Date of the transaction

25 July 2018

f)

Place of the transaction

London Stock Exchange (XLON)

 1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

ADELE LEE BARKER

2

Reason for the notification

a)

Position/status

GROUP HR 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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

6,329

£7.6136

£48,186.47

e)

Date of the transaction

25 July 2018

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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

5,151

£7.6136

£39,217.65

e)

Date of the transaction

25 July 2018

f)

Place of the transaction

London Stock Exchange (XLON)

 1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

STEPHEN PAUL HOLMES

2

Reason for the notification

a)

Position/status

DIRECTOR OF HEALTH, SAFETY, SECURITY AND ASSURANCE

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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

5,083

£7.6136

£38,699.93

e)

Date of the transaction

25 July 2018

f)

Place of the transaction

London Stock Exchange (XLON)

 1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

EDWARD JAMES ALFRED KIRKLAND MITCHELL

2

Reason for the notification

a)

Position/status

DIRECTOR OF ENVIRONMENT

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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

6,329

£7.6136

£48,186.47

e)

Date of the transaction

25 July 2018

f)

Place of the transaction

London Stock Exchange (XLON)

 1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

PAUL MICHAEL RINGHAM

2

Reason for the notification

a)

Position/status

COMMERCIAL DIRECTOR, VIRIDOR

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

AWARD OF SHARES BY PENNON SHARE PLANS (GUERNSEY) LIMITED PURSUANT TO THE PENNON GROUP ANNUAL INCENTIVE BONUS PLAN - DEFERRED ELEMENT. USUALLY HELD IN TRUST FOR A PERIOD OF THREE YEARS AND THEN VEST IN ACCORDANCE WITH THE TERMS OF THE PLAN.

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

10,122

£7.6136

£77,064.86

e)

Date of the transaction

25 July 2018

f)

Place of the transaction

London Stock Exchange (XLON)

Name of authorised official of issuer responsible for making notification

KAREN SENIOR, DEPUTY COMPANY SECRETARY

Date of notification 26 July 2018