As at 14 February 2017

Fully paid ordinary shares (OKU)

241,332,390

Listed options

23,333,325 (exercisable at $0.125 each by 30 June 2017)

Unlisted options

1,000,000 at $0.20, expiry 4/5/2017

540,000, $0.10, expiry 22/9/2017

4,007,825 at $0.10, expiry 8/12/2017

500,000 at $0.10, expiry 25/3/2018

500,000 at $0.10, expiry 18/5/2018

500,000 at $0.15, expiry 18/5/2018

500,000 at $0.15, expiry 07/12/2018

1,000,000 at $0.15, expiry 27/01/2019

1,000,000 at $0.22, expiry 28/04/2019

2,000,000 at $0.25, expiry 17/06/2018

2,000,000 at $0.30, expiry 17/06/2018

3,000,000 at $0.25, expiry 17/06/2019

1,500,000 at $0.30, expiry 22/06/2020

3,500,000 at $0.25, expiry 11/08/2019

1,500,000 at $0.30, expiry 11/08/2020

250,000 at $0.20, expiry 2/11/2019

1,000,000 at $0.20, expiry 21/12/2019