News Releases

FOR IMMEDIATE RELEASE

McKesson Corporation Agrees to Sell J. Knipper and Company

LAKEWOOD, NJ - September 5, 2002

McKesson Corporation announced today that it has agreed to sell J. Knipper and Company, Inc. to James J. Knipper, former owner of the company. The terms of the agreement were not disclosed.

"This sale supports McKesson's strategic direction and focus on its industry leading position in supply management and healthcare information technology," said McKesson vice president, Nic Loiacono. "Knipper is a leader in providing marketing support services for the healthcare industry and will continue to function as a key supplier for our corporation. We appreciate the significant value they have brought to our company and wish them well as they become, once again, a privately held company."

"We have highly appreciated our time that we were a part of the McKesson Corporation and look forward to a long term relationship in providing marketing services for their business units, as well as our other valued customers," said James J. Knipper, President and CEO of J. Knipper and Company.

No J. Knipper personnel changes will result from the McKesson - J. Knipper transition. All key executives and staff will remain with J. Knipper & Co.

J. Knipper & Co. provides fully integrated direct marketing and PDMA compliant fulfillment services exclusively for the pharmaceutical and healthcare industries. The FDA and DEA registered facilities are managed in compliance with cGMP standards for real time inventory control. Some key services include direct mail, database management, multi-faceted DTC campaigns, web-based surveys and full crisis management and recall services. More information is available on the company's Web site at http://www.knipper.com.

McKesson Corporation is the leading provider of supply, information and care management products and services designed to reduce costs and improve quality across healthcare. McKesson solutions empower healthcare professionals with the tools they need to deliver care more effectively and efficiently. Founded in 1833, with annual revenues of more than $50 billion, McKesson ranks as the 31st largest industrial company in the United States. More information is available at the company's website at www.mckesson.com.

Except for historical information contained in this press release, matters discussed may constitute "forward-looking statements," within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, that involve risks and uncertainties that could cause actual results to differ materially from those projected, anticipated or implied. These statements may be identified by their use of forward-looking terminology such as "believes," "expects," "anticipates," "may," "will," "should," "seeks," "approximates," "intends," "plans," "estimates" or the negative of these words or other comparable terminology. The most significant of these risks and uncertainties are described in the company's Form 10-K, Form 10-Q and Form 8-K reports filed with the Securities and Exchange Commission and include, but are not limited to: the resolution or outcome of pending shareholder litigation regarding the 1999 restatement of our historical financial statements; the changing U.S. healthcare environment, including the impact of potential mandated benefits, changes in private and governmental reimbursement or in the delivery systems for healthcare products and services; changes in manufacturers' pricing, sales or distribution policies; substantial defaults in payment or a material reduction in purchases by large customers; challenges in integrating and implementing the company's software products, or the slowing or deferral of demand for these products; and the company's ability to successfully identify, consummate and integrate strategic acquisitions. The reader should not place undue reliance on forward-looking statements, which speak only as of the date they are made. The company assumes no obligation to update or revise any such statements, whether as a result of new information or otherwise.