NCO Group Replaced on S&P Midcap Index

Standard & Poor’s will make the following changes in the S&P MidCap 400 and S&P SmallCap 600 Indices after the close of trading on Monday, September 30, 2002: * CarMax Inc., being spun-off from S&P 500 component Circuit City Group, will replace MIPS Technologies in the S&P MidCap 400 Index. CarMax will be placed in the S&P MidCap 400 GICS (Global Industry Classification Standard) Specialty Stores sub-industry. (Shown in Table 1 at the end of this Press Release). MIPS Technologies had a market capitalization of $52 million after the close of trading on Tuesday, September 24, ranking 400 in the S&P MidCap 400 Index and continues to trade at a low price.

* S&P SmallCap 600 component XTO Energy Inc. will be added to the S&P MidCap 400 Index changing places with NCO Group Inc. XTO Energy will be placed in the S&P MidCap 400 GICS Oil & Gas Exploration & Production sub-industry. NCO Group will move to the S&P SmallCap 600 and the GICS Diversified Commercial Services sub-industry. (Shown in Tables 2 and 3 at the end of this Press Release.)

* Cimarex Energy Co., formed by the merger of Helmerich & Payne’s (in the S&P MidCap 400) spun-off Oil & Gas Division with Key Production (in the S&P SmallCap 600), will replace Key Production in the S&P SmallCap 600 Index.

CarMax Inc., headquartered in Glen Allen, VA, is a specialty retailer of used cars and light trucks XTO Energy Inc., headquartered in Fort Worth, TX, is engaged in the acquisition, development, exploitation and exploration of oil and gas producing properties and in the production, processing and transportation of oil and natural gas.

NCO Group Inc., headquartered in Horsham, PA, provides a broad range of accounts receivable management and outsourcing services to a wide range of business in national and international markets.

Cimarex Energy Co. will be an independent oil and gas producer actively engaged in the acquisition, exploration, development and production of oil and gas properties. The company, headquartered in Denver, CO, will be added to the S&P SmallCap 600 GICS Oil & Gas Exploration & Production sub-industry.

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