X0306 4 2018-01-16 0000701221 CIGNA CORP CI 0001243083 ZARCONE DONNA F 900 COTTAGE GROVE ROAD BLOOMFIELD CT 06002 1 Common Stock, $.25 Par Value 2018-01-16 4 S 0 2000.0000 216.1027 D 3971.0000 I By Trust Common Stock, $.25 Par Value 2018-01-16 4 S 0 3971.0000 215.0837 D 0.0000 I By Trust Common Stock, $.25 Par Value 21730.0000 D This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 15, 2017. Represents the weighted average price of the shares sold. The prices actually received ranged from $216.005 to $216.24 per share. The reporting person will provide to the issuer, any security holder of the issuer, or the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range. Represents the weighted average price of the shares sold. The prices actually received ranged from $215.00 to $215.315 per share. The reporting person will provide to the issuer, any security holder of the issuer, or the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each price within the range. The reporting person's economic interest in Cigna securities also includes hypothetical shares of common stock, the value of which is tied directly to the value of Cigna stock. Under the rules of the Securities and Exchange Commission (SEC), Table I excludes these hypothetical shares because they are settled in cash, rather than Cigna stock, upon separation from service. For more information regarding these securities, please see the reporting person's Section 16 filings for Cigna and pages 26 and 87 of Cigna's proxy statement filed with the SEC on March 18, 2017. By: Jill M. Stadelman, attorney-in-fact 2018-01-17