Complex sentence: In 2004, the Flames spent $1 million on a LED "power ring" display that lines the facing of the second level, and in 2006 replaced the JumboTron that was installed in 1995 with a new high definition scoreboard.
Split into simpler sentences: In 2004, the Flames spent $1 million on a LED "power ring" display that lines the facing of the second level. The JumboTron that was installed in 1995 was replaced in 2006 with a new high definition scoreboard.