Turnover rose to £9.47mln (£1.47mln) in the year to June, while losses before impairments were reduced to £2.1mln from £3.41mln.
Jubilee has chrome and platinum reprocessing plants at the Hernic and Dilokong mines.
Nearly of all the sales in the year (£9.37mln) came from Dilokong, which contributed for a full year.
The Hernic operation, meanwhile, generated first sales of £430,000 in the final quarter.
Since the year end, Jubilee has already announced production at Hernic trebled in the quarter to September.
The junior added it has decided to write down the value of its nickel assets in Australia due to the ongoing dispute with BHP Billiton.
The cost of that and other one-offs meant a statutory loss before tax of £20.4mln.