Common use of One Class Clause in Contracts

One Class. F Warrant entitling the holder to purchase a further Share at an exercise price of US $0.60 per Share up to and including August 31, 2000; and

One Class. F E Warrant entitling the holder to purchase a further Share at an exercise price of US $0.60 0.50 per Share up to and including August March 31, 2000; and;