Great Portland Estates PLC

Major Shareholding Notification • Oct 23, 2025

National Storage Mechanism | Additional information

RNS Number : 5670E

Great Portland Estates PLC

23 October 2025

Great Portland Estates plc

Great Portland Estates plc announces that on 22 October 2025, it received the Notification of Major Holdings as set out below.

Darren Lennark

General Counsel & Company Secretary

Great Portland Estates plc

020 7647 3000

23 October 2025

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB00BF5H9P87

Issuer Name

GREAT PORTLAND ESTATES P L C

UK or Non-UK Issuer

UK

2. Reason for Notification

An acquisition or disposal of voting rights

3. Details of person subject to the notification obligation

Name

Morgan Stanley

City of registered office (if applicable)

Country of registered office (if applicable)

US

Name	City of registered office	Country of registered office
Morgan Stanley	Wilmington, Delaware	USA

4. Details of the shareholder

Name	City of registered office	Country of registered office
Morgan Stanley & Co. International plc	London	UNITED KINGDOM

5. Date on which the threshold was crossed or reached

20-Oct-2025

6. Date on which Issuer notified

22-Oct-2025

7. Total positions of person(s) subject to the notification obligation

	% of voting rights attached to shares (total of 8.A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)	Total of both in % (8.A + 8.B)	Total number of voting rights held in issuer
Resulting situation on the date on which threshold was crossed or reached	5.108689	0.378028	5.486717	22286416
Position of previous notification (if applicable)	5.104046	0.395416	5.499462

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible)	Number of direct voting rights (DTR5.1)	Number of indirect voting rights (DTR5.2.1)	% of direct voting rights (DTR5.1)	% of indirect voting rights (DTR5.2.1)
GB00BF5H9P87		20750914		5.108689
Sub Total 8.A	20750914		5.108689%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

Type of financial instrument	Expiration date	Exercise/conversion period	Number of voting rights that may be acquired if the instrument is exercised/converted	% of voting rights
Right of recall over securities lending agreements	at any time	at any time	826127	0.203385
Sub Total 8.B1			826127	0.203385%

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial instrument	Expiration date	Exercise/conversion period	Physical or cash settlement	Number of voting rights	% of voting rights
Call Option (Cash Settled)	28/10/2025	at any time	Cash	86565	0.021312
Call Option (Cash Settled)	13/11/2025	at any time	Cash	65757	0.016189
Equity Swap	22/06/2026	at any time	Cash	210410	0.051801
Equity Swap	14/12/2026	at any time	Cash	251365	0.061884
Equity Swap	03/03/2027	at any time	Cash	95278	0.023457
Sub Total 8.B2				709375	0.174643%

9. Information in relation to the person subject to the notification obligation

2. 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 entities (please add additional rows as necessary)

Ultimate controlling person	Name of controlled undertaking	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
Morgan Stanley (Chain 1)
Morgan Stanley (Chain 1)	Morgan Stanley Capital Management, LLC
Morgan Stanley (Chain 1)	Morgan Stanley Domestic Holdings, LLC
Morgan Stanley (Chain 1)	Morgan Stanley Capital Services LLC
Morgan Stanley (Chain 2)
Morgan Stanley (Chain 2)	Morgan Stanley Capital Management, LLC
Morgan Stanley (Chain 2)	Morgan Stanley & Co. LLC
Morgan Stanley (Chain 3)
Morgan Stanley (Chain 3)	Morgan Stanley International Holdings Inc.
Morgan Stanley (Chain 3)	Morgan Stanley International Limited
Morgan Stanley (Chain 3)	Morgan Stanley Investments (UK)
Morgan Stanley (Chain 3)	Morgan Stanley & Co. International plc	5.090163		5.179464%

10. In case of proxy voting

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

11. Additional Information

Of the total voting rights attached to shares in Section 8A, 75,251 (0.018526%) of these are the result of securities lending and borrowing arrangements.

12. Date of Completion

22-Oct-2025

13. Place Of Completion

Glasgow

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