Complex sentence: Following public recognition from the album's high-selling singles, Powderfinger went on to release "Internationalist" in 1998, which is their first number-one album; it was certified five times platinum by ARIA for shipment of 350,000 copies.
Split into simpler sentences: Following public recognition from the album's high-selling singles, Powderfinger went on to release "Internationalist" in 1998, which is their first number-one album. It was certified five times platinum by ARIA for shipment of 350,000 copies.