IMPAX ASSET MANAGEMENT GROUP PLC

Transaction in Own Shares • Dec 2, 2025

National Storage Mechanism | Additional information

RNS Number : 7609J

Impax Asset Management Group plc

02 December 2025

02 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 01 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	01 December 2025
Aggregate number of Ordinary 1p shares purchased	70,000
Lowest price paid per share (GBp)	159.20
Highest price paid per share (GBp)	163.00
Volume weighted average price paid per share (GBp)	160.93

The Company intends to cancel the purchased shares.

Following settlement of the above purchases, Impax has purchased a total of 4,871,694 shares since the commencement of the buyback programme and will have 127,724,860 ordinary shares of 1p pence each in issue. There are 0 shares held in treasury. The total voting rights in the Company are therefore 127,724,860 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)	160.93	70,000
Total	160.93	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
500	161.80	AIMX	11:02:48	00185719308TRLO0
510	161.80	AIMX	11:02:48	00185719309TRLO0
889	161.60	AIMX	11:02:49	00185719311TRLO0
895	163.00	AIMX	11:12:13	00185720028TRLO0
1,026	162.80	AIMX	11:12:19	00185720034TRLO0
903	163.00	AIMX	11:12:19	00185720035TRLO0
1,051	162.40	AIMX	11:16:48	00185720328TRLO0
881	161.60	AIMX	11:17:23	00185720409TRLO0
877	161.60	AIMX	11:19:07	00185720481TRLO0
1,027	161.40	AIMX	11:19:08	00185720483TRLO0
16,441	161.80	AIMX	11:22:42	00185720667TRLO0
15,000	161.60	AIMX	12:13:12	00185723850TRLO0
1,010	159.60	AIMX	14:11:50	00185729991TRLO0
1,034	160.20	AIMX	14:22:20	00185730618TRLO0
972	160.20	AIMX	14:22:45	00185730638TRLO0
1,045	160.40	AIMX	14:23:02	00185730660TRLO0
850	162.40	AIMX	14:30:22	00185731547TRLO0
206	162.40	AIMX	14:30:22	00185731548TRLO0
898	162.20	AIMX	14:30:55	00185731724TRLO0
971	161.60	AIMX	14:35:44	00185733421TRLO0
904	161.20	AIMX	14:36:41	00185733607TRLO0
1,057	161.00	AIMX	14:36:42	00185733615TRLO0
156	160.60	AIMX	14:37:33	00185733855TRLO0
250	160.60	AIMX	14:40:07	00185734500TRLO0
591	160.60	AIMX	14:40:07	00185734501TRLO0
56	160.00	AIMX	14:48:15	00185736338TRLO0
20,000	159.20	AIMX	16:12:25	00185748836TRLO0

For further enquiries, please contact:

Impax Asset Management Group plc
Paul French, Head of Corporate Communications [email protected]	+44 (0)20 3912 3032

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