Complex sentence: The band gave its last concert in 2000 (excepting performances at annual fan conventions in 2001 and 2002), though the last update to the band's website occurred July 8th, 2008.
Split into simpler sentences: The band gave its last concert in 2000 (excepting performances at annual fan conventions in 2001 and 2002). The last update to the band's website occurred July 8,2008.