Complex sentence: Nikki Ponte emerged during the third season of "The X Factor" in 2010, and was still participating in the talent competition at the time of ERT's announcement, although having secured a contract with Sony Music Greece for her participation in the national final.
Split into simpler sentences: Nikki Ponte emerged during the third season of "The X Factor" in 2010, and was still participating in the talent competition at the time of ERT's announcement. She secured a contract with Sony Music Greece for her participation in the national final.