BUCY Bucyrus International, Inc. (MM)

NEW YORK, July 8, 2011 /PRNewswire/ -- S&P will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 indices:

• S&P SmallCap 600 constituent Esterline Technologies Corp. (NYSE: ESL) will replace Bucyrus International Inc. (NASD: BUCY) in the S&P MidCap 400 index, and Rubicon Technology Inc. (NASD: RBCN) will replace Esterline Technologies in the S&P MidCap 400 after the close of trading on Tuesday, July 12. S&P 100 & 500 constituent Caterpillar Inc.  (NYSE: CAT) acquired Bucyrus International in a deal completed today.
• SonoSite Inc. (NASD: SONO) will replace Kendle International Inc. (NASD: KNDL) in the S&P SmallCap 600 index after the close of trading on Wednesday, July 13. INC Research LLC is acquiring Kendle International in a deal expected to be completed soon pending final approvals.

Standard & Poor's will monitor these transactions, and post any relevant updates on its website: www.standardandpoors.com.

Esterline Technologies designs, manufactures, and markets engineered products and systems. Headquartered in Bellevue, WA, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Aerospace & Defense Sub-Industry index.

Rubicon Technology develops, manufactures, and sells monocrystalline sapphire and other crystalline products. Headquartered in Franklin Park, IL, the company will be added to the S&P SmallCap 600 GICS Semiconductor Equipment Sub-Industry index.

SonoSite develops, manufactures, and distributes hand-carried ultrasound systems. Headquartered in Bothell, WA, the company will be added to the S&P SmallCap 600 GICS Health Care Equipment Sub-Industry index.

Following is a summary of the changes:

For more information about S&P Indices, please visit www.standardandpoors.com/indices.

About S&P Indices

S&P Indices, the world's leading index provider, maintains a wide variety of investable and benchmark indices to meet an array of investor needs. Over $1.25 trillion is directly indexed to Standard & Poor's family of indices, which includes the S&P 500, the world's most followed stock market index, the S&P/Case-Shiller Home Price Indices, the leading measure of U.S. home prices, the S&P Global BMI, an index with approximately 11,000 constituents, the S&P GSCI, the industry's most closely watched commodities index, and the S&P National AMT-Free Municipal Bond Index, the premier investable index for U.S. municipal bonds. For more information, please visit www.standardandpoors.com/indices.

SOURCE Standard & Poor's