RNS Number : 2789N Ibstock PLC 21 July 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 voting rights

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

J.P. Morgan Securities PLC

City of registered office

Country of registered office

5. Date on which the threshold was crossed or reached

17-Jul-2026

6. Date on which Issuer notified

21-Jul-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

0.134715

4.901360

5.036075

19894187

Position of previous notification (if applicable)

0.210003

4.928737

5.138740

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

532250

0.134715

Sub Total 8.A

532250

0.134715%

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

Type of financial instrument

Sub Total 8.B1

Expiration date

Exercise/conversion period

Number of voting rights that may be acquired if the instrument is exercised/converted

% of voting rights

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

21/08/2026

21/08/2026

Cash

1709000

0.432640

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

2127336

0.538530

Cash-settled Equity Swap

02/10/2026

02/10/2026

Cash

191665

0.048459

Cash-settled Equity Swap

19/10/2026

19/10/2026

Cash

320193

0.081058

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

47982

0.012146

Cash-settled Equity Swap

02/12/2026

02/12/2026

Cash

15855

0.004013

Cash-settled Equity Swap

23/12/2026

23/12/2026

Cash

982786

0.248796

Cash-settled Equity Swap

05/01/2027

05/01/2027

Cash

45179

0.011434

Cash-settled Equity Swap

22/01/2027

22/01/2027

Cash

982786

0.248796

Cash-settled Equity Swap

28/01/2027

28/01/2027

Cash

2695

0.000682

Cash-settled Equity Swap

02/02/2027

02/02/2027

Cash

1559911

0.394897

Cash-settled Equity Swap

04/02/2027

04/02/2027

Cash

10704

0.002709

Cash-settled Equity Swap

02/03/2027

02/03/2027

Cash

278802

0.070567

Cash-settled Equity Swap

11/03/2027

11/03/2027

Cash

775887

0.196419

Cash-settled Equity Swap

02/04/2027

02/04/2027

Cash

17177

0.004346

Cash-settled Equity Swap

30/04/2027

30/04/2027

Cash

265762

0.067278

Cash-settled Equity Swap

12/05/2027

12/05/2027

Cash

106267

0.026901

Cash-settled Equity Swap

02/06/2027

02/06/2027

Cash

174148

0.044086

Cash-settled Equity Swap

15/06/2027

15/06/2027

Cash

29994

0.007593

Cash-settled Equity Swap

29/06/2027

29/06/2027

Cash

22874

0.005787

Cash-settled Equity Swap

02/07/2027

02/07/2027

Cash

198987

0.050365

Cash-settled Equity Swap

12/07/2027

12/07/2027

Cash

112000

0.028353

Cash-settled Equity Swap

28/07/2027

28/07/2027

Cash

15442

0.003906

Cash-settled Equity Swap

03/08/2027

03/08/2027

Cash

762328

0.192977

Cash-settled Equity Swap

10/08/2027

10/08/2027

Cash

2561

0.000647

Cash-settled Equity Swap

12/08/2027

12/08/2027

Cash

52468

0.013282

Cash-settled Equity Swap

02/09/2027

02/09/2027

Cash

2648072

0.670368

Cash-settled Equity Swap

16/12/2027

16/12/2027

Cash

554389

0.140343

Cash-settled Equity Swap

30/05/2028

30/05/2028

Cash

2489830

0.630280

Cash-settled Equity Swap

30/04/2029

30/04/2029

Cash

898303

0.227405

Cash-settled Equity Swap

02/08/2029

02/08/2029

Cash

22000

0.005569

Cash-settled Equity Swap

15/11/2029

15/11/2029

Cash

308792

0.078171

Cash-settled Equity Swap

04/04/2030

04/04/2030

Cash

54224

0.013727

Cash-settled Equity Swap

06/11/2030

06/11/2030

Cash

1331564

0.337082

Cash-settled Equity Swap

08/05/2031

08/05/2031

Cash

36382

0.009203

Cash-settled Equity Swap

02/07/2031

02/07/2031

Cash

60202

0.015240

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

Cash-settled Equity Swap

13/05/2033

13/05/2033

Cash

14095

0.003568

Cash-settled Equity Swap

03/06/2033

03/06/2033

Cash

12424

0.003145

Cash-settled Equity Swap

06/06/2033

06/06/2033

Cash

12515

0.003168

Cash-settled Equity Swap

08/06/2033

08/06/2033

Cash

13805

0.003494

Cash-settled Equity Swap

09/06/2033

09/06/2033

Cash

9790

0.002478

Cash-settled Equity Swap

10/06/2033

10/06/2033

Cash

14680

0.003716

Cash-settled Equity Swap

13/06/2033

13/06/2033

Cash

22534

0.005704

Cash-settled Equity Swap

15/06/2033

15/06/2033

Cash

6099

0.001543

Sub Total 8.B2

19361937

4.901360%

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

4.901360

4.929266%

JPMorgan Chase & Co.

J.P. Morgan SE

JPMorgan Chase & Co.

J.P. Morgan Securities LLC

JPMorgan Chase & Co.

Almea 2 Segregated Portfolio Company

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

If date does not apply, explain below

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 Financial Investments Limited (100%)

J.P. Morgan Markets Limited (100%)

Almea 2 Segregated Portfolio Company (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

21-Jul-2026

13. Place Of Completion

London

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