Holding(s) in Company

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1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are at-tachedii:			Whitbread PLC
1b. Please indicate if the issuer is a non-UK issuer(please mark with an "X" if appropriate)
Non-UK issuer
2. Reason for the notification(please mark the appropriate box or boxes with an "X")
An acquisition or disposal of voting rights
An acquisition or disposal of financial instruments						X
An event changing the breakdown of voting rights
Other (please specify)iii:
3. Details of person subject to the notification obligationiv
Name			Corvex Management LP
City and country of registered office (if applicable)			New York, USA
4. Full name of shareholder(s)(if different from 3.)v
Name
City and country of registered office (if applicable)
5. Date on which the threshold was crossed or reachedvi:			15 December 2025
6. Date on which issuer notified (DD/MM/YYYY):			17 December 2025
7. Total positions of person(s) subject to the notification obligation
	% of voting rights at-tached to shares (to-tal of 8. A)	% of voting rights through financial instru-ments (total of 8.B 1 + 8.B 2)		Total of both in % (8.A + 8.B)	Total number of voting rights of is-suervii
Resulting situation on the date on which threshold was crossed or reached	Nil	5.53%		5.53%	9,355,020
Position of previous notification (if applicable)	N/A	N/A		N/A

8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii
A: Voting rights attached to shares
Class/type of	Number of voting rightsix		% of voting rights
shares ISIN code (if possible)	Number of voting rightsix		% of voting rights
shares ISIN code (if possible)	Direct (Art 9 of Directive	Indirect (Art 10 of Directive	Direct (Art 9 of Directive	Indirect (Art 10 of Directive
	2004/109/EC) (DTR5.1)	2004/109/EC)	2004/109/EC) (DTR5.1)	2004/109/EC)
		(DTR5.2.1)		(DTR5.2.1)



SUBTOTAL 8. A

B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))
Type of financial in-strument	Expiration datex	Exercise/ Conversion Periodxi	Number of voting rights that may be acquired if the instrument is exercised/converted.	% of voting rights


		SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))
Type of financial instrument	Expiration datex	Exercise/ Conversion Pe-riod xi	Physical or cash settlementxii	Number of voting rights	% of voting rights
Cash-settled swap			Cash Settled	9,355,020	5.53%

			SUBTOTAL 8.B.2	9,355,020	5.53%

Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuerxiii
Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv (please add additional rows as necessary)				X
Namexv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial in-struments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
Corvex Management LP





10. In case of proxy voting, please identify:
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held

11. Additional informationxvi
Corvex Management LP ("Corvex Management") is a US Securities and Exchange Commission regis- tered investment adviser that serves as investment adviser to private investment funds. Corvex Management, pursuant to investment adviser agreements, has voting and investment power over investments held by funds advised by Corvex Management. Corvex Management does not directly own the positions subject to this notification obligation, which are held by funds advised by Corvex Management, but as noted above, does have voting and investment power over such positions. No individual fund holds interests in securities totalling more than 5% of the voting rights in the Issuer.

Summary by AI ^BETAClose X

TR-1: Standard form for notification of major holdings

Companies

UK 100

Latest directors dealings

Place of completion	New York, USA
Date of completion	17 December 2025