CABB - Pre Stabilisation Notice

17th June 2026

[1]Not for distribution, directly or indirectly, in or into the United States or any jurisdiction in which such distribution would be unlawful.

MONITCHEM HOLDCO 3 S.A.

Pre-stabilisation Period Announcement

BofA Securities Europe SA (contact: Fabian Ansorg; telephone: +44 207 996 4156 ) hereby gives notice that the Stabilisation Manager named below may stabilise the offer of the following securities in accordance with the relevant provisions of Regulation (EU) 596/2014 (the Market Abuse Regulation) and Commission Delegated Regulation (EU) 2016/1052

In connection with the offer of the above securities, the Stabilisation Manager may over‑allot the securities or effect transactions with a view to supporting the market price of the securities during the stabilisation period at a level higher than that which might otherwise prevail. However, stabilisation may not necessarily occur and any stabilisation action, if begun, may cease at any time. Any stabilisation action or over‑allotment shall be conducted in accordance with all applicable laws and regulations.

This announcement is for information purposes only and does not constitute an invitation or offer to underwrite, subscribe for or otherwise acquire or dispose of any securities of the Issuer in any jurisdiction.

This announcement and the offer of the securities to which it relates are only addressed to and directed at persons outside the United Kingdom (the "UK") and persons in the UK who have professional experience in matters related to investments or who are high net worth persons within Article 12(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 and must not be acted on or relied on by other persons in the UK.

If and to the extent that this announcement is communicated in, or the offer of the securities to which it relates is made in, any EEA Member State before the publication of a prospectus in relation to the securities which has been approved by the competent authority in that Member State in accordance with Regulation (EU) 2017/1129 (the "Prospectus Regulation") (or which has been approved by a competent authority in another Member State and notified to the competent authority in that Member State in accordance with the Prospectus Regulation), this announcement and the offer are only addressed to and directed at persons in that Member State who are qualified investors within the meaning of the Prospectus Regulation (or who are other persons to whom the offer may lawfully be addressed) and must not be acted on or relied on by other persons in that Member State.

If and to the extent that this announcement is communicated in, or the offer of the securities to which it relates is made in, the UK before the publication of a prospectus in relation to the securities which has been approved by the competent authority in the UK in accordance with the Public Offers and Admissions to Trading Regulations 2024 (the "POATRs"), this announcement and the offer are only addressed to and directed at persons in the UK who are qualified investors within the meaning of the POATRs (or who are other persons to whom the offer may lawfully be addressed) and must not be acted on or relied on by other persons in the UK.

This announcement is not an offer of securities for sale into the United States. The securities referred to above have not been, and will not be, registered under the United States Securities Act of 1933 and may not be offered or sold in the United States absent registration or an exemption from registration. There has not been and will not be a public offer of the securities in the United States.