Sunrise Resources PLC (LON:SRES) said a test grind on a 500-ton bulk sample of natural pozzolan supplied to a large cement and ready-mix concrete company (CRMC), a potential offtaker, has been successfully completed and concrete trials are now being organised. 

Chamberlin PLC (LON:CMH) has updated investors on its operations as it continues its restructuring efforts, with the integration of Hill Castings into the business completed in line with expected cost savings.

SigmaRoc PLC’s (LON:SRC) trading in the first four months of the year has been ahead of internal expectations.

Silence Therapeutics PLC (LON:SLN, NASDAQ:SLN) has reported positive safety data from a phase I trial of its lead asset. SLN124, which is being developed to treat blood such as iron-loading anaemia conditions, thalassemia and myelodysplastic syndrome (MDS), was also shown to be effective in reducing plasma iron levels and had a long duration of action.

Tirupati Graphite PLC (LON:TGR) said it has applied to the OTC Markets Group for its shares to be traded on the OTCQX Markets in a move it said will make its shares more widely available to North American investors.

Alliance Pharma PLC (LON:APH) chairman David Cook provided a reasonably upbeat assessment of prospects for the business as said “we continue to see some strong performances from our key brands”.

Redx Pharma PLC (LON:REDX) announced the appointment of Natalie Berner as a non-executive director with effect from 19 May 2021. Berner will be a representative for Redmile, a San Francisco based investment firm that focuses on the health care sector and is a major investor in Redx. Following the appointment, the board will be comprised of seven directors, four of whom including the chairman are independent non-executives.

MetalNRG PLC (LON:MNRG) said independent consultants SRK Exploration Services see the potential for the discovery of further, minable gold mineralisation on the Gold Ridge project in Arizona and have recommended an initial two-stage programme of follow up work. The project currently comprises three historic mines.

IXICO PLC (LON:IXI), the brain imaging group that uses AI analytics, has been chosen by a current client to provide neuroimaging services for a phase III clinical trial.

Tharisa PLC (LON:THS), an integrated platinum and chrome producer, expects its earnings per share for the six months to end March to be around six times higher than the corresponding interim period. Basic earnings per share and headline earnings per share (HEPS) are expected to be between US$0.21 and US$0.22 per share.

Tower Resources PLC (LON:TRP) has received formal confirmation from the Cameroon authorities of the details for the extension to the Thali license out to May 2022.

Diversified Energy Company PLC (LON:DEC) has completed its acquisition of the Cotton Valley upstream assets and infrastructure, establishing its new ‘central’ regional focus area.

Incanthera plc (AQSE:INC) has posted its annual report and accounts for 2020 along with proxy voting forms ahead of its annual general meeting on Wednesday 23 June in Manchester. The meeting will be closed by the company will provide access online through the Investor Meet Company platform.

LoopUp Group PLC (LON:LOOP) announced the appointment of Mike Reynolds as non-executive chairman of the company, and that it has published its 2020 report and accounts ahead of its AGM on 15 June 2021.