Filed by Aetna Inc.

Pursuant to Rule 425 of the Securities Act of 1933

and deemed filed pursuant to Rule 14a-12

of the Securities Exchange Act of 1934

Subject Company: Humana Inc.

(Commission File No.: 001-05975)

All Market Segments - Action Required	MESSAGE HIGHLIGHTS
Please review the below information on Aetna's decision to acquire Humana. Important - THIS ACQUISITION IS SUBJECT TO CUSTOMARY CLOSING CONDITIONS, INCLUDING REGULATORY APPROVALS - ONLY USE THE APPROVED MATERIALS INCLUDED BELOW TO COMMUNICATE WITH CUSTOMERS, BROKERS, AND OTHER CONSTITUENTS.	·     Aetna has entered into an agreement to acquire Humana. ·     Acquisition supports Aetna's strategy. ·     Deal is subject to customary closing conditions, including regulatory approval, expected to close in mid-2016.

Aetna to Acquire Humana

Originator:
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Contact:
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Overview

Earlier today, Aetna announced an agreement to acquire Humana, which will create a company serving the most seniors in the Medicare Advantage program and the second largest managed care company in the United States. The combined company will be well positioned to offer a broad choice of affordable, consumer-centric health care products, helping to constrain cost growth, improve health outcomes, and promote wellness.

Integrating Humana into Aetna will complement our strategy to expand our core insurance business, increase our presence in government business and expand our relationships with providers in local geographies.

For More Information

Attached is the press release we distributed regarding this announcement, and you can also visit AetnaHumana.TransactionAnnouncement.com for more information.

If you have additional questions after reviewing this information, please send them to communications@aetna.com.

Additional Resources

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Important Information For Investors And Stockholders

This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval. In connection with the proposed transaction between Aetna Inc. ("Aetna") and Humana Inc. ("Humana"), Aetna and Humana will file relevant materials with the Securities and Exchange Commission (the "SEC"), including an Aetna registration statement on Form S-4 that will include a joint proxy statement of Aetna and Humana that also constitutes a prospectus of Aetna, and a definitive joint proxy statement/prospectus will be mailed to stockholders of Aetna and Humana. INVESTORS AND SECURITY HOLDERS OF AETNA AND HUMANA ARE URGED TO READ THE JOINT PROXY STATEMENT/PROSPECTUS AND OTHER DOCUMENTS THAT WILL BE FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Investors and security holders will be able to obtain free copies of the registration statement and the joint proxy statement/prospectus (when available) and other documents filed with the SEC by Aetna or Humana through the website maintained by the SEC at http://www.sec.gov. Copies of the documents filed with the SEC by Aetna will be available free of charge on Aetna's internet website at http://www.Aetna.com or by contacting Aetna's Investor Relations Department at 860-273-8204. Copies of the documents filed with the SEC by Humana will be available free of charge on Humana's internet website at http://www.Humana.com or by contacting Humana's Investor Relations Department at 502-580-3644.

Aetna, Humana, their respective directors and certain of their respective executive officers may be considered participants in the solicitation of proxies in connection with the proposed transaction. Information about the directors and executive officers of Humana is set forth in its Annual Report on Form 10-K for the year ended December 31, 2014, which was filed with the SEC on February 18, 2015, its proxy statement for its 2015 annual meeting of stockholders, which was filed with the SEC on March 6, 2015, and its Current Report on Form 8-K, which was filed with the SEC on April 17, 2015. Information about the directors and executive officers of Aetna is set forth in its Annual Report on Form 10-K for the year ended December 31, 2014 ("Aetna's Annual Report"), which was filed with the SEC on February 27, 2015, its proxy statement for its 2015 annual meeting of shareholders, which was filed with the SEC on April 3, 2015 and its Current Reports on Form 8-K, which were filed with the SEC on May 19, 2015 and May 26, 2015. Other information regarding the participants in the proxy solicitations and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the joint proxy statement/prospectus and other relevant materials to be filed with the SEC when they become available.