We are investigating Cigna Corporation (“Cigna” or the “Company”) (NYSE: CI) relating to the merger of the Company with Express Scripts Holding Company (“Express Scripts”) (NasdaqGS: ESRX). As a result of the merger, Express Scripts shareholders will receive $48.75 in cash and 0.2434 of a share of the newly combined company for each Express Scripts share they own, representing consideration of $96.03 per share