Cabot Microelectronics to Hold Annual Meeting of Stockholders on March 5

Cabot Microelectronics to Hold Annual Meeting of Stockholders on March 5

Aurora, IL, Feb. 26, 2013 (GLOBE NEWSWIRE) -- Cabot Microelectronics
Corporation (Nasdaq: CCMP), the world's leading supplier of chemical
mechanical planarization (CMP) polishing slurries and a growing CMP pad
supplier to the semiconductor industry, has announced its Annual Meeting of
Stockholders will be held Tuesday, March 5, 2013, at 8:00 a.m., Central Time.

Those interested can  listen to the  live meeting by  phone at  877-668-4490. 
Callers outside the U.S. can dial 408-792-6300. The access code for the  call 
is 20235011.

A transcript of  the formal comments  made during the  Annual Meeting will  be 
available in the Investor Relations section of the company's website.

ABOUT CABOT MICROELECTRONICS CORPORATION

Cabot Microelectronics Corporation, headquartered in Aurora, Illinois, is  the 
world's leading  supplier of  CMP polishing  slurries and  a growing  CMP  pad 
supplier to  the  semiconductor  industry.  The  company's  products  play  a 
critical role in  the production of  advanced semiconductor devices,  enabling 
the manufacture of smaller, faster and more complex devices by its customers.
The company's mission is to create value by developing reliable and innovative
solutions, through close customer collaboration, that solve today's challenges
and help enable tomorrow's technology.  Since becoming an independent  public 
company in 2000, the company has  grown to approximately 1,050 employees on  a 
global basis. For more information about Cabot Microelectronics  Corporation, 
visit  www.cabotcmp.com  or  contact  Trisha  Tuntland,  Manager  of  Investor 
Relations at (630) 499-2600.

CONTACT: Trisha Tuntland
         Manager, Investor Relations
         (630) 499-2600

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