Aetna Board Authorizes Share Repurchase

HARTFORD, Conn., April 30, 2004 — Aetna Inc. (NYSE: ΑET) 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. This authorization is in addition to the $326 million remaining under Aetna’s prior authorization.

The company intends to continue buying shares from time to time using available cash, including proceeds from employee stock option exercises. Aetna had approximately 152 million common shares outstanding as of March 31, 2004.

Aetna is one of the nation’s leading providers of health care, dental, pharmacy, group life, disability and long-term care benefits, serving approximately 13.3 million medical members, 11.2 million dental members, 8.1 million pharmacy members and 12.4 million group insurance customers, as of March 31, 2004. The company has extensive nationwide networks of more than 618,000 health care services providers, including over 370,000 primary care and specialist physicians and 3,783 hospitals. For more information about Aetna, please visit the company’s web site at www.aetna.com.



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