Sirius Minerals : Block Listing Six Monthly Return

2 January 2020

Sirius Minerals Plc

Block Listing Six Monthly Return

Name of applicant:		Sirius Minerals Plc
Name of scheme:		Sirius Minerals Plc 2027 Convertible Bond block listing
Period of return:	From:	01.07.2019	To:	31.12.2019
Balance of unallotted securities under scheme(s) from previous return:		419,156,776
Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):		N/A
Less: Number of securitiesissued/allotted under scheme(s) during period (see LR3.5.7G):		13,917,312
Equals: Balance under scheme(s) not yet issued/allotted at end of period:		405,239,464

(Note: Italicised terms have the same meaning as given in the Listing Rules.)

For further information, please contact:

Sirius Minerals Plc Investor Relations	Tristan Pottas Email:[e-mail]	Tel: [phone]
Media Enquiries Edelman	Alex Simmons, Ed Brown Email: [e-mail]	Tel: [phone] Tel: [phone]

About Sirius Minerals Plc

Sirius Minerals Plc is focused on bringing large scale volumes of POLY4 to the global agriculture industry. POLY4 is the Company's trademarked name for its unique multi-nutrient fertilizer to be produced from the world's largest and highest grade polyhalite deposit located in North Yorkshire, United Kingdom, 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 OTC Pink Market through a sponsored ADR facility. Further information on the Company can be found at:www.siriusminerals.com.