Equifax added to S&P 500 Index; Lexmark International Group added to S&P MidCap 400.

NEW YORK--(BUSINESS WIRE)--June 16, 1997--The Financial Information Services group of Standard & Poor's will replace PanEnergy Corp. (PEL) in the S&P 500 Index with Equifax, Inc. (EFX), currently a component of the S&P MidCap 400 Index, after the close of trading on Wednesday, June 18, 1997. PanEnergy is being acquired by Duke Power Co. (DUK), also a component of the S&P 500 Index, in a stock merger scheduled to close on that date. The merged company will remain in the S&P 500 and do business as Duke Energy Corp. (DUK). Equifax will be replaced in the S&P MidCap 400 by Lexmark International Group, Inc. (LXK).

Equifax, headquartered in Atlanta, provides commercial and consumer credit information services to lending institutions; check guarantee, check verification, and credit and debit card processing services to merchants; and health care and market research information to governments and businesses. Equifax will be added to the S&P 500 Services (Data Processing) industry group in the Technology economic sector.

Lexmark, headquartered in Lexington, Kentucky, is a global manufacturer and supplier of laser and inkjet printers and associated consumable supplies. The company also makes typewriters and supplies sold under the IBM trademark. It will be added to the S&P MidCap 400 Computers (Peripherals) industry group in the Technology sector.

The Standard & Poor's Financial Information Services group, a division of The McGraw-Hill Companies, provides financial, economic, and investment information, as well as analytical services, to the global financial community and commodity trading markets.

The group calculates and maintains the S&P 500, S&P MidCap 400, S&P SmallCap 600, and the S&P Super Composite 1500 stock price indexes, which are widely considered key barometers of stock market activity and performance benchmarks for professional money managers. Approximately $475 billion is currently indexed to the S&P 500. Company additions to and deletions from the S&P equity indexes do not in any way reflect an opinion on the investment merits of the company.

CONTACT: Elliott Shurgin

V.P., Index Services

[phone]

or

Albert Neubert

Director, Domestic Indexes

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