Transaction in Own Shares

Summary by AI ^BETAClose X

Impax Asset Management Group plc announced on December 8, 2025, that it purchased 70,000 ordinary shares at a volume-weighted average price of 148.40 GBp per share as part of its ongoing buyback program. The company intends to cancel these shares, bringing the total purchased since the program's inception to 5,321,694. Following this transaction, Impax will have 127,274,860 ordinary shares in issue, with no shares held in treasury, resulting in a total of 127,274,860 voting rights.

Disclaimer*

Impax Asset Management Group plc

09 December 2025

IMPAX ASSET MANAGEMENT GROUP PLC

("Impax" or the "Company")

Transaction in Own Shares

IMPAX ASSET MANAGEMENT GROUP PLC ("Impax", or the "Company") announces that on 08 December 2025 it purchased the following number of its Ordinary Shares of 1p each through Peel Hunt LLP as part of the buyback programme announced on 22 May 2025.

Date of Purchase	08 December 2025
Aggregate number of Ordinary 1p shares purchased	70,000
Lowest price paid per share (GBp)	148.00
Highest price paid per share (GBp)	148.80
Volume weighted average price paid per share (GBp)	148.40

The Company intends to cancel the purchased shares.

Following settlement of the above purchases, Impax has purchased a total of 5,321,694 shares since the commencement of the buyback programme and will have 127,274,860 ordinary shares of 1p pence each in issue. There are 0 shares held in treasury. The total voting rights in the Company are therefore 127,274,860 and this can be used by shareholders as the denominator for the calculations by which they can determine if they are required to notify their interest in, or change to their interest in, the Company under the Financial Conduct Authority's Disclosure Guidance and Transparency Rules.

Trading Venue	Volume-weighted average price paid per share (Gbp)	Aggregated number of shares purchased
AIM(AIMX)	148.40	70,000
Total	148.40	70,000

The schedule below contains detailed and aggregated information of the individual trades made by Peel Hunt LLP as part of the buyback programme.

Schedule of Purchases - Individual Transactions

Number of shares purchased	Transaction price (GBp)	Trading venue	Time of Transaction	Trade ID
20,000	148.60	AIMX	08:16:27	00185978051TRLO0
15,000	148.80	AIMX	12:35:34	00185996419TRLO0
15,000	148.00	AIMX	15:01:46	00186009344TRLO0
10,000	148.40	AIMX	15:50:49	00186015323TRLO0
10,000	148.00	AIMX	16:07:48	00186018053TRLO0

For further enquiries, please contact:

Impax Asset Management Group plc
Paul French, Head of Corporate Communications p.french@impaxam.com	+44 (0)20 3912 3032

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