That is the accumulative number of shares under incentive stock option plan since May 1, 2003 as the stock option plan must be approved annually by the disinterested shareholders of the company.

The weighted-average exercise price of stock option plan is $0.32 in the price range of $.10 - $.75.

The maximum number of common shares which may be issued under the stock option plan is a maximum of 10% of the issued and outstanding common shares.

According to the last stock option granted by the company was as follows:

Jean Lafleur 450,000 $0.10 by 10/25/2018

Peter Smith 250,000 $0.10 by 10/25/2018

Debra Chapman 250,000 $0.10 by 10/25/2018

Paul Ankcorn 250,000 $0.10 by 10/28/2018

Ashwath Mehra 500,000 $0.10 by 10/28/2018

Mel de Quadros 250,000 $0.10 by 10/28/2018

As the share price has been drifting lower and lower year by year, a large number of shares granted under the incentive stock option plan have not been exercised as you could witness it from the insider trading report.