Keefe, Bruyette & Woods, Inc., a full-service investment bank that specializes in the financial services sector, and a wholly owned subsidiary of KBW, Inc. (NYSE: KBW), announces upcoming changes to the KBW Regional Banking Index (KRX SM).

Effective prior to the opening of business on Monday, May 23, 2011, Wilmington Trust Corporation (NYSE: WL) will be deleted from KRX and replaced by First Financial Bankshares, Inc. (NASDAQ: FFIN).

The KBW indices have eleven tradable exchange-traded funds licensed; they are KBW Bank Index (Index Symbol: BKX SM, ETF Symbol: KBE SM); KBW Capital Markets Index (Index Symbol: KSX SM, ETF Symbol: KCE SM); KBW Insurance Index (Index Symbol: KIX SM, ETF Symbol: KIE SM); KBW Mortgage Finance Index (Index Symbol: MFX SM, ETF Symbol: KME SM); KBW Regional Banking Index (Index Symbol: KRX SM, ETF Symbol: KRE SM, KRS SM, KRU SM); KBW Financial Sector Dividend Yield Index (Index Symbol: KDX SM, ETF Symbol: KBWD SM); KBW Premium Yield Equity REIT Index (Index Symbol: KYX SM, ETF Symbol: KBWY SM); KBW Property and Casualty Insurance Index (Index Symbol: KPX SM, ETF Symbol: KBWP SM); and KBW Global (Ex. U.S.) Financial Sector Index (Index Symbol: KGX SM, ETF Symbol: KBWX SM).

About KBW

KBW, Inc. operates in the U.S., Europe and Asia through its broker dealer subsidiaries, Keefe, Bruyette & Woods, Inc., Keefe, Bruyette & Woods Limited and Keefe, Bruyette & Woods Asia Limited. It also offers asset management services through KBW Asset Management, Inc. Founded in 1962, the firm is widely recognized as a leading authority in the banking, insurance, brokerage, asset management, mortgage banking, real estate and specialty finance sectors. The firm has established industry-leading positions in the areas of research, corporate finance, mergers and acquisitions as well as sales and trading in equities and debt securities of financial services companies.

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