March 31,
2019

Number of options outstanding:

Beginning of year

4,145,735

Granted

1,698,239

Exercised, converted

(267,847

)

Forfeited / exchanged / modification

(138,535

)

End of period

5,437,592

Number of options exercisable at end of period

763,453

Number of options available for grant at end of period

4,562,408

Weighted average option prices per share:

Granted during the period

$

0.66

Exercised during the period

$

0.25

Terminated during the period

$

1.19

Outstanding at end of period

$

0.25

Exercisable at end of period

$

0.25