March 31, 2019

December 31, 2018

Number of

Warrants

Weighted

Average

 Exercise

Price

Number of

 Warrants

Weighted

 Average

 Exercise

 Price

Outstanding, beginning of year

192,148,956

$

0.09

119,301,754

$

0.09

Issued

50,000

0.10

74,377,862

0.10

Exercised

-

-

-

-

Cancelled

(345,205)

0.11

-

-

Expired

(50,000)

0.17

(1,530,660)

0.26

Outstanding, end of period

191,803,751

$

0.09

192,148,956

$

0.09