NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART IN, INTO OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OR REGULATIONS OF SUCH JURISDICTION

THIS IS AN ANNOUNCEMENT FALLING UNDER RULE 2.8 OF THE TAKEOVER CODE (THE "CODE")

THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION

For immediate release

8 April 2026

No intention to bid statement regarding Senior plc ("Senior")

On 27 February 2026, Advent International Limited, in its capacity as adviser to Advent International, L.P., the manager of and / or adviser to certain private equity funds ("Advent") announced in response to press speculation that it was considering a possible offer for Senior.

On 7 April 2026, Zeus UK Bidco Limited, a newly formed company to be indirectly controlled by investment funds advised by affiliates of Tinicum Incorporated and Blackstone Inc., announced a firm intention to make an offer for Senior.

Advent confirms that it does not intend to make an offer for Senior. This is a statement to which Rule 2.8 of the Code applies.

Accordingly, Advent will, except with the consent of the Takeover Panel, be bound by the restrictions under Rule 2.8 for a period of six months from the date of this statement.

Under Note 2 on Rule 2.8, Advent (and anyone acting in concert with it) reserves the right to set the restrictions in Rule 2.8 aside in the following circumstances:

(a)     with the agreement of the Board of Senior, but only in the event that the Zeus UK Bidco Limited offer for Senior has lapsed or been withdrawn;

(b)     if a third party announces a firm intention to make an offer for Senior;

(c)     if Senior announces a Rule 9 waiver proposal (see Note 1 of the Notes on Dispensations from Rule 9) or a reverse takeover (as defined in the Code); and

(d)     if there has been a material change of circumstances (as determined by the Takeover Panel).

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Important Notices

This announcement is not intended to, and does not, constitute or form part of any offer, invitation or the solicitation of an offer to purchase, otherwise acquire, subscribe for, sell or otherwise dispose of, any securities whether pursuant to this announcement or otherwise.

The distribution of this announcement in jurisdictions outside the United Kingdom may be restricted by law and therefore persons into whose possession this announcement comes should inform themselves about, and observe, such restrictions. Any failure to comply with the restrictions may constitute a violation of the securities law of any such jurisdiction.