WARRANTS OUTSTANDING AND EXERCISABLE AT MARCH 31, 2018

Range of

Exercise Prices

Number of

Warrants

Outstanding

Weighted-Average

Remaining Contractual

Life in Years

Weighted-

Average

Exercise Price

Number Exercisable

Weighted-

Average

Exercise Price

$

0.1

10,000,000

3.24

$

0.10

10,000,000

$

0.10

$

0.1

10,000,000

4.49

$

0.10

10,000,000

$

0.10