Investment manager arrangements and RFP process

For release at 7:00 a.m. on 20 July 2026

THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION FOR THE PURPOSES OF ARTICLE 7 OF THE MARKET ABUSE REGULATION (EU) 596/2014 AS IT FORMS PART OF UK DOMESTIC LAW BY VIRTUE OF THE EUROPEAN UNION (WITHDRAWAL) ACT 2018, AS AMENDED (UK MAR). ON THE PUBLICATION OF THIS ANNOUNCEMENT VIA A REGULATORY INFORMATION SERVICE, THIS INSIDE INFORMATION IS NOW CONSIDERED TO BE IN THE PUBLIC DOMAIN.

Legal Entity Identifier: 213800RAR6ZDJLZDND86

Impax Environmental Markets plc (the "Company")

Investment manager arrangements and RFP process

20 July 2026

The Board of Impax Environmental Markets plc (the "Board") confirms that, following a review of the Company's investment management arrangements, it has today served notice on Impax Asset Management (AIFM) Limited (the "Investment Manager") to terminate the existing investment management agreement. In accordance with the terms of the investment management agreement, a 12-month notice period applies which will expire on 31 July 2027; however, the Board has requested that the Investment Manager considers waiving all or a substantial part of this notice period, in accordance with its obligations under the FCA's Consumer Duty.

The Board through its Management Engagement Committee is commencing a fair and transparent Request for Proposal ("RFP") process to identify and appoint an investment manager or strategic alternative that best suits investor interests moving forward. As part of the RFP process, the Board will also be taking into account the viewpoints of all stakeholders and the future investment strategy of the Company. The Board will be appointing advisers in the near future to effectively support and facilitate the RFP process.

The Board remains committed to ensuring the ultimate success of the Company and its alignment with the interests of its shareholders.

Further updates will be provided in due course.

For any enquiries, please contact:

Juniper Partners Limited (Company Secretary)

[email protected]

Tel: 0131 378 0500

Important information

This announcement is released by the Company and the information contained within this announcement is deemed by the Company to constitute inside information for the purposes of Article 7 of UK MAR. Upon publication of this announcement via a Regulatory Information Service, such information is now considered to be in the public domain. The person responsible for arranging the release of this announcement on behalf of the Company is Juniper Partners Limited, the company secretary.