Notice of Full Year 2017 Results

01 March 2018

Sirius Minerals Plc

Notice of Full Year 2017 Results

Sirius Minerals Plc (the "Company"), the leading fertilizer development company focused on the development and operation of its polyhalite project in North Yorkshire, confirms that it will announce its full year results for the twelve month period ended 31 December 2017 on Tuesday 6 March 2018 at 7:00am (GMT).

Management will host a conference call for investors and analysts at 9.30am (GMT) on Tuesday 6 March 2018, including a question and answer session. Details of the call will be included in the results announcement.

An accompanying presentation will be available on the Sirius Minerals website: http://siriusminerals.com/investors/investor-presentations/ 

A replay facility will be available.

For further information, please contact:

About Sirius Minerals Plc

Sirius Minerals Plc is focused on the development of the Woodsmith Mine, which will access the world's largest and highest grade polyhalite deposit located in North Yorkshire, United Kingdom. Polyhalite is a unique multi-nutrient fertilizer, which can be used to increase balanced fertilization around the world. Sirius Minerals' shares are traded on the Premium List of the London Stock Exchange. 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.