Impax Asset Management : Director / PDMR disclosure

1 December 2017

Impax Asset Management Group plc

Director / PDMR disclosure

Grant of shares

Impax Asset Management Group plc (the 'Company') announces that it has awarded grants under the Company's restricted share scheme ('RSS') to the following PDMRs:

PDMR	Number of shares granted under RSS Award	Date of Grant
Ian Simm	60,000	1 December 2017
Charlie Ridge	60,000	1 December 2017

One-third of the Shares will vest in three years, a further third will vest in four years and the final third will vest in five years.

Grant of options

The Company also announces that it has awarded 100,000 options over ordinary shares in the Company (the 'Shares') under its 2017 Employee Share Option Plan ('ESOP') to Charlie Ridge.Option awards made under the 2017 ESOP will have an exercise price set at a ten percent premium to the average closing share price of the five business days following the announcement of results for the year ended 30 September 2017, as released on 29 November 2017. They will vest subject to continued employment to 31 December 2020.

The notifications below, made in accordance with the requirements of the EU Market Abuse Regulation, provide further detail.

1.	Details of PDMR / person closely associated with them ('PCA')
a)	Name	Ian Simm
2.	Reason for the notification
a)	Position / status	Chief Executive
b)	Initial notification / amendment	Initial notification
3.	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Impax Asset Management Group plc
b)	LEI	213800AJDNW4S2B7E680
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 financial instrument Identification Code	Ordinary Shares of 1p each in Impax Asset Management Group plc IPX GB0004905260
b)	Nature of the transaction	Ian Simm has been awarded 60,000 restricted ordinary shares. One-third of the Shares will vest in three years, a further third will vest in four years and the final third will vest in five years.
c)	Price(s) and volume(s)	Price(s) Volume(s) 0p (nil) per share 60,000
d)	Aggregated information Aggregated volume Price	Aggregated volume: 60,000 Aggregated price: 0p (nil) Total aggregated price: 0p (nil)
e)	Date of the transaction	1 December 2017
f)	Place of the transaction	Outside of trading venue

1.	Details of PDMR / person closely associated with them ('PCA')
a)	Name	Charlie Ridge
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	Impax Asset Management Group plc
b)	LEI	213800AJDNW4S2B7E680
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 financial instrument Identification Code	Ordinary Shares of 1p each in Impax Asset Management Group plc IPX GB0004905260
b)	Nature of the transaction	Charlie Ridge has been awarded 60,000 restricted ordinary shares. One-third of the Shares will vest in three years, a further third will vest in four years and the final third will vest in five years.
c)	Price(s) and volume(s)	Price(s) Volume(s) 0p (nil) per share 60,000
d)	Aggregated information Aggregated volume Price	Aggregated volume: 60,000 Aggregated price: 0p (nil) Total aggregated price: 0p (nil)
e)	Date of the transaction	1 December 2017
f)	Place of the transaction	Outside of trading venue

a)	Description of the financial instrument, type of financial instrument Identification Code	Options granted over Ordinary Shares of 1p each in Impax Asset Management Group plc IPX GB0004905260
b)	Nature of the transaction	Charlie Ridge has been awarded 100,000 options over ordinary shares
c)	Price(s) and volume(s)	Volume granted: 100,000 Exercise Price(s): ten percent premium to the average closing share price of the five business days following the announcement of results for the year ended 30 September 2017, as released on 29 November 2017
d)	Aggregated information Aggregated volume Price	Aggregated volume: 100,000 options Aggregated price: described as above
e)	Date of the transaction	1 December 2017
f)	Place of the transaction	Outside of trading venue

LEI number: 213800AJDNW4S2B7E680

Enquiries:

Zack Wilson

Group General Counsel and Company Secretary Tel: + 44 (0) 20 7434 1122 (switchboard)

Impax Asset Management Group plc

Norfolk House, 31 St James's Square,

London, SW1Y 4JR

www.impaxam.com

Anne GildingTel: [phone] (switchboard)
Head of Brand & CommunicationsTel: [phone] (direct)
Impax Asset Management Group plcTel: [phone] (mobile)
Norfolk House, 31 St James's Square, Email: [e-mail]
London, SW1Y 4JR
www.impaxam.com

Guy Wiehahn Tel: [phone]
Nominated Adviser and Broker
Peel Hunt LLP