Agronomy update webcast

3 May 2016

RNS Reach

Sirius Minerals Plc

Agronomy update webcast

Sirius Minerals Plc (AIM: SXX, OTCQX: SRUXY) ("Sirius" or the "Company") advises that its latest agronomy update webcast has been posted on its website.

The update provides an overview of results from trials conducted in China on chili peppers, tea and oilseed rape, plus a demonstration of residual value to soil nutrient status for these field grown crops. The webcast summarises the crop trial results, with individual presentations on each of the studies also available at: http://www.siriusminerals.com/our-products/.

The agronomy studies help to further demonstrate the value in use of the Company's POLY4 product and also support ongoing engagement with current and potential customers. Future updates will be provided periodically and uploaded to the Company website.

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About Sirius Minerals Plc

Sirius Minerals is the fertilizer development company focused on the development of its North Yorkshire polyhalite project, the United Kingdom. It has the world's largest and highest grade deposit of polyhalite, a multi-nutrient form of potash containing potassium, sulphur, magnesium and calcium. Incorporated in 2003, Sirius Minerals' shares are traded on the London Stock Exchange's AIM market. Its shares are also traded in the United States on the OTCQX through a sponsored ADR facility. Further information on the Company can be found at: www.siriusminerals.com.