Aetna Board Of Directors Authorizes Additional Share Repurchases

HARTFORD, Conn., June 27, 2008 — Aetna Inc. (NYSE: AET) today announced that its Board of Directors has authorized the company to repurchase from time to time up to $750 million of its common stock.

The company intends to continue buying shares in the open market from time to time. At March 31, 2008, Aetna had approximately 485 million shares outstanding.

Aetna is one of the nation's leading diversified health care benefits companies, serving approximately 37.3 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 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, governmental units, government-sponsored plans, labor groups and expatriates.

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