Appendix 3X

PRESS RELEASE  |  July 31, 2017  |  NASDAQ:PLL  |  ASX:PLL

Initial Director’s Interest Notice
Information or documents not available now must be given to ASX as soon as available. Information and
documents given to ASX become ASX’s property and may be made public.

For further information, contact:

Keith Phillips
President & CEO
T: +1 973 809 0505
John Koslow
Investor Relations
T: +1 980 701 9928