Complex sentence: Early in 2014 Oprah Winfrey had come aboard as a producer along with Brad Pitt, and by February 25 Paramount Pictures was in final negotiations for US and Canadian distribution rights.
Split into simpler sentences: Early in 2014 Oprah Winfrey had come aboard as a producer along with Brad Pitt. On February 25, Paramount Pictures was in final negotiations for US and Canadian distribution rights.