Aetna Board Of Directors Announces Actions

HARTFORD, Conn., September 28, 2007 — Aetna Inc. (NYSE: ΑET) today announced that its Board of Directors has authorized the company to repurchase up to an additional $1.25 billion of its common stock.

The company intends to continue buying shares in the open market from time to time. At June 30, 2007, Aetna had approximately 511 million shares outstanding.

The Board of Directors also declared its regular annual cash dividend of $0.04 per share on the company’s common stock. The dividend is payable on November 30, 2007 to shareholders of record at the close of business on November 15, 2007.

Aetna is one of the nation’s leading diversified health care benefits companies, serving approximately 34.9 million people with information and resources to help them make better informed decisions about their health care. Aetna offers a broad range of traditional and consumer-directed health insurance products and related services, including medical, pharmacy, dental, behavioral health, group life, long-term care and disability plans, and medical management capabilities and health care management services for Medicaid plans. Our customers include employer groups, individuals, college students, part-time and hourly workers, health plans and government-sponsored plans in both the U.S. and internationally. www.aetna.com



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