On Tuesday, May 19, 1998, Standard & Poor's Financial Information Services announced that United Bankshares, Inc. (UBSI) will be added to the S&P SmallCap 600 Index effective after the close of trading on Friday, May 22, 1998. United will be added to the Banks (Regional) industry group making United the only regional bank in Maryland, Virginia, Kentucky and West Virginia included in the index. United will become one of fourteen financial institutions and the only West Virginia-based company included in the index.

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United Bankshares stock is traded on the NASDAQ (National Association of Securities Dealers Quotation System) National Market System under the quotation symbol "UBSI".