Holding(s) in Company

Ibstock PLC

13 May 2026

 

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB00BYXJC278

Issuer Name

IBSTOCK PLC

UK or Non-UK Issuer

UK

2. Reason for Notification

An acquisition or disposal of financial instruments

3. Details of person subject to the notification obligation

Name

JPMorgan Chase & Co.

City of registered office (if applicable)

Country of registered office (if applicable)

US

4. Details of the shareholder

Name	City of registered office	Country of registered office
J.P. Morgan Securities PLC

5. Date on which the threshold was crossed or reached

08-May-2026

6. Date on which Issuer notified

12-May-2026

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	0.128443	5.076248	5.204691	20560381
Position of previous notification (if applicable)	0.138440	4.917559	5.055999

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)
GB00BYXJC278		507384		0.128443
Sub Total 8.A	507384		0.128443%

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
Sub Total 8.B1

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
Cash-settled Equity Swap	02/06/2026	02/06/2026	Cash	219029	0.055446
Cash-settled Equity Swap	02/07/2026	02/07/2026	Cash	853608	0.216090
Cash-settled Equity Swap	14/07/2026	14/07/2026	Cash	52468	0.013282
Cash-settled Equity Swap	21/08/2026	21/08/2026	Cash	1379000	0.349099
Cash-settled Equity Swap	26/08/2026	26/08/2026	Cash	27124	0.006865
Cash-settled Equity Swap	02/09/2026	02/09/2026	Cash	4726	0.001195
Cash-settled Equity Swap	30/09/2026	30/09/2026	Cash	2124991	0.537937
Cash-settled Equity Swap	02/10/2026	02/10/2026	Cash	203436	0.051434
Cash-settled Equity Swap	19/10/2026	19/10/2026	Cash	385139	0.097499
Cash-settled Equity Swap	03/11/2026	03/11/2026	Cash	8882	0.002247
Cash-settled Equity Swap	30/11/2026	30/11/2026	Cash	40200	0.010175
Cash-settled Equity Swap	02/12/2026	02/12/2026	Cash	2203	0.000557
Cash-settled Equity Swap	23/12/2026	23/12/2026	Cash	847576	0.214567
Cash-settled Equity Swap	05/01/2027	05/01/2027	Cash	34173	0.008644
Cash-settled Equity Swap	22/01/2027	22/01/2027	Cash	844801	0.213864
Cash-settled Equity Swap	28/01/2027	28/01/2027	Cash	571	0.000144
Cash-settled Equity Swap	02/02/2027	02/02/2027	Cash	1949701	0.493574
Cash-settled Equity Swap	04/02/2027	04/02/2027	Cash	10218	0.002586
Cash-settled Equity Swap	02/03/2027	02/03/2027	Cash	194714	0.049288
Cash-settled Equity Swap	11/03/2027	11/03/2027	Cash	882242	0.223342
Cash-settled Equity Swap	02/04/2027	02/04/2027	Cash	15518	0.003926
Cash-settled Equity Swap	08/04/2027	08/04/2027	Cash	24999	0.006328
Cash-settled Equity Swap	28/04/2027	28/04/2027	Cash	1168075	0.295677
Cash-settled Equity Swap	30/04/2027	30/04/2027	Cash	271638	0.068765
Cash-settled Equity Swap	05/05/2027	05/05/2027	Cash	305264	0.077277
Cash-settled Equity Swap	07/05/2027	07/05/2027	Cash	354205	0.089661
Cash-settled Equity Swap	12/05/2027	12/05/2027	Cash	106267	0.026901
Cash-settled Equity Swap	26/05/2027	26/05/2027	Cash	3399	0.000859
Cash-settled Equity Swap	02/06/2027	02/06/2027	Cash	102417	0.025925
Cash-settled Equity Swap	29/06/2027	29/06/2027	Cash	65199	0.016505
Cash-settled Equity Swap	26/08/2027	26/08/2027	Cash	436048	0.110356
Cash-settled Equity Swap	09/09/2027	09/09/2027	Cash	1339411	0.339070
Cash-settled Equity Swap	16/09/2027	16/09/2027	Cash	1837406	0.465139
Cash-settled Equity Swap	30/05/2028	30/05/2028	Cash	2379436	0.602326
Cash-settled Equity Swap	04/04/2029	04/04/2029	Cash	13014	0.003294
Cash-settled Equity Swap	02/05/2029	02/05/2029	Cash	61512	0.015571
Cash-settled Equity Swap	15/11/2029	15/11/2029	Cash	436907	0.110601
Cash-settled Equity Swap	04/04/2030	04/04/2030	Cash	77120	0.019523
Cash-settled Equity Swap	02/07/2030	02/07/2030	Cash	61758	0.015634
Cash-settled Equity Swap	06/11/2030	06/11/2030	Cash	900582	0.227983
Cash-settled Equity Swap	08/05/2031	08/05/2031	Cash	180	0.000045
Cash-settled Equity Swap	09/05/2033	09/05/2033	Cash	14310	0.003622
Cash-settled Equity Swap	12/05/2033	12/05/2033	Cash	13530	0.003425
Sub Total 8.B2				20052997	5.076248%

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
JPMorgan Chase & Co.	J.P. Morgan Securities PLC		5.076248	5.076248%
JPMorgan Chase & Co.	J.P. Morgan SE
JPMorgan Chase & Co.	J.P. Morgan Securities LLC

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

Chain of controlled undertakings:

JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association (100%)
J.P. Morgan International Finance Limited (100%)
J.P. Morgan Capital Holdings Limited (100%)
J.P. Morgan Securities PLC (100%)

JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association (100%)
J.P. Morgan International Finance Limited (100%)
J.P. Morgan SE (100%)

JPMorgan Chase & Co.
JPMorgan Chase Holdings LLC (100%)
J.P. Morgan Broker-Dealer Holdings Inc. (100%)
J.P. Morgan Securities LLC (100%)

12. Date of Completion

13-May-2026

13. Place Of Completion

London

 

END