March 31, 2018

December 31, 2017

Number of

Warrants

Weighted

Average

Exercise

Price

Number of

Warrants

Weighted

Average

Exercise

Price

Outstanding, beginning of year

119,301,754

$

0.09

32,071,901

$

0.10

Issued

6,626,504

0.10

88,737,227

0.09

Exercised

-

-

0

-

Cancelled

-

-

0

-

Expired

-

-

(1,507,374)

0.17

Outstanding, end of period

125,928,258

$

0.09

119,301,754

$

0.09