SIGMAROC PLC — Director's Dealing 2026

Mar 19, 2026

National Storage Mechanism | Additional information

RNS Number : 1993X

SigmaRoc PLC

19 March 2026

19 March 2026

(EPIC: SRC / Market: AIM / Sector: Construction Materials)

SIGMAROC PLC

('SigmaRoc' or the 'Company')

Share Purchases by Directors

SigmaRoc plc, SigmaRoc, Europe's leading lime and minerals group, announces that on 18 March 2026, Max Vermorken, Chief Executive, purchased 17,855 ordinary shares of 1 pence each in the capital of the Company ('Ordinary Shares') at a price of 112.0 pence per share.

Following this purchase, Mr Vermorken's total interest in the Company is 3,259,703 Ordinary Shares, representing 0.29% of the total issued share capital of the Company.

In addition, on 18 March 2026, Peter Johnson, a Non-Executive Director, purchased 85,500 ordinary shares of 1 pence each in the capital of the Company ('Ordinary Shares') at a price of 116.9 pence per share.

Following this purchase, Mr Johnson's total interest in the Company is 195,562 Ordinary Shares, representing 0.02% of the total issued share capital of the Company.

Information on the Company is available on its website, www.sigmaroc.com.

For further information, please contact:

SigmaRoc plc Max Vermorken (Chief Executive Officer) Jan van Beek (Chief Financial Officer) Tom Jenkins (Head of Investor Relations)	Tel: +44 (0) 207 002 1080 [email protected]
Panmure Liberum (Nomad and Co-Broker) Scott Mathieson / John More / Dru Danford Deutsche Numis (Co-Broker) Richard Thomas / Hannah Boros	Tel: +44 (0) 203 100 2000 Tel: +44 (0) 20 7260 1000

About SigmaRoc

SigmaRoc is a quoted European lime and minerals Group.

Lime and limestone are key resources in the transition to a more sustainable economy. New applications for lime and limestone products as part of a drive for sustainability include the production and recycling of lithium batteries, the decarbonisation of construction including through substitution of cementitious material and new building materials, and environmental applications including lake liming, air pollution and direct air capture.

SigmaRoc invests in and acquires businesses in the lime and minerals sector. The principal activity of the Group is the production of lime and minerals products. The Group's aim is to create value for shareholders through the successful execution of its strategy in the lime and minerals sector.

SigmaRoc seeks to create value by purchasing assets in fragmented markets and extracting efficiencies through active management and by forming the assets into larger groups. It seeks to de- risk its investments through the selection of projects with strong asset backing. The Group seeks to implement operational efficiencies that improve safety, enhance productivity, increase profitability and ultimately create value for Shareholders.

PDMR Notification Form:

1.

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Max Vermorken

2.

Reason for the Notification

a)

Position/status

Chief Executive

b)

Initial notification/amendment

Initial notification

3.

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

SigmaRoc plc

b)

LEI

213800Q3CJUERBGD1E44

4.

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv)each place where transactions have been conducted

a)

Description of the Financial instrument, type of instrument

Ordinary Shares of 1 penny each

Identification code

GB00BYX5K988

b)

Nature of the Transaction

Purchase of shares.

c)

Price(s) and volume(s)

Price(s)	Volume(s)
Share purchase at 112.0p	17,855

d)

Aggregated information

Aggregated volume Price

N/A (Single transaction)

e)

Date of the transaction

18 March 2026

f)

Place of the transaction

AIM (LSE)

PDMR Notification Form:

1.

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Peter Johnson

2.

Reason for the Notification

a)

Position/status

Non-Executive Director

b)

Initial notification/amendment

Initial notification

3.

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

SigmaRoc plc

b)

LEI

213800Q3CJUERBGD1E44

4.

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv)each place where transactions have been conducted

a)

Description of the Financial instrument, type of instrument

Ordinary Shares of 1 penny each

Identification code

GB00BYX5K988

b)

Nature of the Transaction

Purchase of shares.

c)

Price(s) and volume(s)

Price(s)	Volume(s)
Share purchase at 116.9p	85,500

d)

Aggregated information

Aggregated volume Price

N/A (Single transaction)

e)

Date of the transaction

18 March 2026

f)

Place of the transaction

AIM (LSE)

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