Know all by these presents, that the undersigned hereby constitutes and appoints
each of Edward C. Lee, William C. Baskin III, and Adam F. McAnaney, signing singly, the
undersigneds true and lawful attorney-in-fact to:
(1) execute for and on behalf of the undersigned, in the undersigneds
capacity as an officer and/or director of Aetna Inc., a Pennsylvania
corporation (Aetna) Forms 3, 4, and 5 in accordance with
Section 16(a) of the Securities Exchange Act of 1934 and the rules
thereunder;
(2) do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and
execute any such Forms 3, 4, or 5, complete and execute any
amendment or amendments thereto, and file such form with the
United States Securities and Exchange Commission and any stock
exchange or similar authority; and
(3) take any other action of any type whatsoever in connection with
the foregoing which, in the opinion of such attorney-in-fact, may be
of benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed by
such attorney-in-fact on behalf of the undersigned pursuant to this
Power of Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney
and the rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect until the undersigned
is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings
of and transactions in securities issued by Aetna, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 1st day of December, 2017.
/s/Molly J. Coye
Molly J. Coye