Complex sentence: Gameloft was founded in 1999 by Michel Guillemot, one of the co-founders of Ubisoft, and completed its initial public offering (IPO) in 2003.
Split into simpler sentences: Gameloft was founded in 1999 by Michel Guillemot, one of the co-founders of Ubisoft. The company completed its initial public offering (IPO) in 2003.