X0303 4 2009-08-03 0000701221 CIGNA CORP CI 0001185992 ATWELL WILLIAM L TWO LIBERTY PLACE 1601 CHESTNUT STREET PHILADELPHIA PA 19192 1 President International Common Stock, $.25 Par Value 2009-08-03 4 A 0 45496 0 A 66161 D Common Stock, $.25 Par Value 359.8401 I By 401(k) By: DanThu Thi Phan, attorney-in-fact 2009-08-05