| 18/04/19 | 11:30:02 | 18 Apr 2019 | | Board Appointment | RNS |
| 15/04/19 | 08:01:03 | 15 Apr 2019 | | Grant of Options and PDMR Dealing | RNS |
| 15/04/19 | 08:00:07 | 15 Apr 2019 | | Acquisition & Appointment to the Board | RNS |
| 07/03/19 | 07:00:05 | 7 Mar 2019 | | AIM Rule 17 Disclosure Schedule Two (g) Update | RNS |
| 26/02/19 | 07:00:27 | 26 Feb 2019 | | Partnership with Lindsay Corp | RNS |
| 07/02/19 | 14:45:50 | 7 Feb 2019 | | Appointment of Broker | RNS |
| 04/02/19 | 17:45:01 | 4 Feb 2019 | | Holding(s) in Company | RNS |
| 01/02/19 | 12:30:01 | 1 Feb 2019 | | Poundfield Deferred Consideration | RNS |
| 01/02/19 | 07:00:03 | 1 Feb 2019 | | Holding(s) in Company | RNS |
| 01/02/19 | 07:00:03 | 1 Feb 2019 | | Holding(s) in Company | RNS |
| 30/01/19 | 13:30:01 | 30 Jan 2019 | | Holding(s) in Company | RNS |
| 28/01/19 | 07:00:06 | 28 Jan 2019 | | Convertible Loan Note Delisting | RNS |
| 25/01/19 | 13:00:02 | 25 Jan 2019 | | Successful Completion of Vendor Placing of c.£12m | RNS |
| 25/01/19 | 07:00:03 | 25 Jan 2019 | | Proposed Vendor Placing to raise approx. £12m | RNS |
| 24/01/19 | 12:30:05 | 24 Jan 2019 | | Increased Santander Credit Facility and CLN Update | RNS |
| 21/01/19 | 07:00:08 | 21 Jan 2019 | | Inauguration of Ronez's Ready Mix plant | RNS |
| 17/01/19 | 07:00:03 | 17 Jan 2019 | | 2018 Trading Update & Update re CLN Redemption | RNS |
| 10/01/19 | 07:00:07 | 10 Jan 2019 | | Appointment & Acquisition of Foelfach Quarry | RNS |
| 28/12/18 | 07:00:02 | 28 Dec 2018 | | Tender Offer to Refinance Convertible Loan Notes | RNS |
| 27/12/18 | 12:00:02 | 27 Dec 2018 | | Results of General Meeting | RNS |
| 12/12/18 | 07:00:04 | 12 Dec 2018 | | Holding(s) in Company | RNS |
| 10/12/18 | 15:00:40 | 10 Dec 2018 | | Trading update,proposed acquisition & notice of GM | RNS |
| 26/11/18 | 07:00:08 | 26 Nov 2018 | | Management Presenting at Investor Event | RNS |
| 07/11/18 | 07:00:05 | 7 Nov 2018 | | Directorate Change | RNS |
| 03/10/18 | 17:00:01 | 3 Oct 2018 | | Holding(s) in Company | RNS |
| 28/09/18 | 08:00:09 | 28 Sept 2018 | | Half-year Report | RNS |
| 26/06/18 | 18:00:03 | 26 Jun 2018 | | Result of AGM | RNS |
| 21/05/18 | 08:00:08 | 21 May 2018 | | Full Year Results | RNS |
| 14/05/18 | 08:00:11 | 14 May 2018 | | Notice of Results | RNS |
| 27/03/18 | 08:00:04 | 27 Mar 2018 | | Partnership with Tarmac, a CRH company | RNS |
| 14/02/18 | 11:00:02 | 14 Feb 2018 | | PDMR Dealings | RNS |
| 13/02/18 | 14:45:01 | 13 Feb 2018 | | PDMR Dealings | RNS |
| 09/02/18 | 08:24:02 | 9 Feb 2018 | | Directors' Dealings | RNS |
| 25/01/18 | 07:00:04 | 25 Jan 2018 | | Year-end Trading Update | RNS |
| 27/12/17 | 07:00:06 | 27 Dec 2017 | | Listing of Convertible Loan Notes | RNS |
| 22/12/17 | 10:19:16 | 22 Dec 2017 | | TR-1: Notification of major holdings | RNS |
| 20/12/17 | 17:25:01 | 20 Dec 2017 | | TR-1: Notification of major holdings | RNS |
| 20/12/17 | 13:20:16 | 20 Dec 2017 | | TR-1: Notification of major holdings | RNS |
| 20/12/17 | 07:00:03 | 20 Dec 2017 | | Completion of Acquisition | RNS |
| 18/12/17 | 17:40:01 | 18 Dec 2017 | | TR-1: Notification of major holdings | RNS |
| 18/12/17 | 15:00:41 | 18 Dec 2017 | | TR-1: Notification of major holdings | RNS |
| 18/12/17 | 11:30:02 | 18 Dec 2017 | | TR-1: Notification of major holdings | RNS |
| 14/12/17 | 07:00:07 | 14 Dec 2017 | | Director/PDMR Shareholding | RNS |
| 13/12/17 | 07:00:03 | 13 Dec 2017 | | Acquisition of Poundfield Products Group & Placing | RNS |
| 24/11/17 | 17:00:01 | 24 Nov 2017 | | Change of Registered Office | RNS |
| 31/10/17 | 07:00:04 | 31 Oct 2017 | | Exploratory drilling starts at new Guernsey quarry | RNS |
| 13/09/17 | 08:00:04 | 13 Sept 2017 | | SigmaRoc plc Interim Results | RNS |
| 06/09/17 | 08:00:05 | 6 Sept 2017 | | Notification of interim results | RNS |
| 18/05/17 | 08:00:17 | 18 May 2017 | | Result of AGM | RNS |
| 16/05/17 | 08:00:13 | 16 May 2017 | | Directors' Dealings | RNS |
