11 August 2026

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

SIGMAROC PLC

 ('SigmaRoc', the 'Group' or the 'Company')

Change of time of IMC Investor meeting on Interim Results Day

SigmaRoc, the European lime and minerals Group, hereby notes a change to the time of the IMC investor meeting on the day of its Interim Results. As previously announced, the Group expects to announce its interim results on Monday 7 September 2026, with the IMC meeting now at 13.30.

Notice of interim results - Analyst briefing & investor presentation

The Group will announce its interim results on Monday 7 September 2026.

Analyst briefing

SigmaRoc will host an online briefing for analysts on Monday, 7 September 2026 at 08:30 BST. For more details and to register to attend, please email [email protected].

Investor presentation

SigmaRoc will provide a live presentation to private investors reviewing H1 results and prospects via Investor Meet Company on Monday, 7 September 2026 at 13.30 BST (not as previously noted at 14.30).

The presentation is open to all existing and potential shareholders. Questions can be submitted before the event via your Investor Meet Company dashboard up until 09:00 BST the day before the meeting or at any time during the live presentation. Investors can sign up to Investor Meet Company for free and add to meet SigmaRoc via:

https://www.investormeetcompany.com/sigmaroc-plc/register-investor

Investors who already follow SigmaRoc on the Investor Meet Company platform will automatically be invited.

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

For further information, please contact:

About SigmaRoc plc:

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.