2020

2019

Voting common shares

Number of Shares

Total

Number of Shares

Total

Balance at January 1,

164,963,324

$

3,054,563

158,801,722

$

3,007,924

Shares issued upon exercise of share options, for cash

618,915

3,559

56,644

265

Estimated fair value of share options exercised transferred from contributed surplus

—

1,267

—

103

Shares issued to the public

8,353,042

76,957

6,104,958

48,041

Share issuance cost

—

(1,570)

—

(1,770)

Flow-through shares issued, net of costs and premium

996,100

9,868

—

Balance at December 31,

174,931,381

$

3,144,644

164,963,324

$

3,054,563