PART IV Item 15. Exhibits and Financial Statement Schedules (a) The following Financial Statements and Financial Statement Schedule are included in Item 8 herein: 1. Financial Statements: Report of Independent Registered Public Accounting Firm Consolidated Statements of Income for the years ended September 30, 2012, 2011 and 2010 Consolidated Balance Sheets at September 30, 2012 and 2011 Consolidated Statements of Cash Flows for the years ended September 30, 2012, 2011 and 2010 Consolidated Statements of Changes in Stockholders’ Equity for the years ended September 30, 2012, 2011 and 2010 Notes to the Consolidated Financial Statements 2. Financial Statement Schedule: Schedule II—Valuation and Qualifying Accounts 3. Exhibits—The following exhibits are filed as part of, or incorporated by reference into, this Report on Form 10-K: Exhibit Number 3.2 (9) 3.3 (1) 4.1 (2) 10.1 (10) 10.2 (13) 10.4 (12) 10.5 (12) 10.6 (13) 10.15 (11) 10.22 (11) 10.23 (10) 10.28 (10) 10.30 (3) 10.32 (3) 10.33 (10) 10.34 (12) 10.36 (4) 10.38 (5) 10.42 (6) 10.46 (12) 10.49 (7) 10.50 (8) 10.51 (10) 10.53 (10) 10.54 (12) 10.57 (11) 10.58 (12) 10.59 (14) Description Amended and Restated By-Laws of Cabot Microelectronics Corporation. Form of Amended and Restated Certificate of Incorporation of Cabot Microelectronics Corporation. Form of Cabot Microelectronics Corporation Common Stock Certificate. Second Amended and Restated Cabot Microelectronics Corporation 2000 Equity Incentive Plan, as amended and restated September 23, 2008.* Form of Second Amended and Restated Cabot Microelectronics Corporation 2000 Equity Incentive Plan Non-Qualified Stock Option Grant Agreement (non-employee directors).* Form of Second Amended and Restated Cabot Microelectronics Corporation 2000 Equity Incentive Plan Non-Qualified Stock Option Grant Agreement (employees (including executive officers)).* Form of Second Amended and Restated Cabot Microelectronics Corporation 2000 Equity Incentive Plan Restricted Stock Award Agreement (employees (including executive officers)).* Form of Second Amended and Restated Cabot Microelectronics Corporation 2000 Equity Incentive Plan Restricted Stock Units Award Agreement (non-employee directors).* Cabot Microelectronics Corporation 2007 Employee Stock Purchase Plan, as Amended and Restated January 1, 2010.* Cabot Microelectronics Corporation 401(k) Plan, as amended.* Form of Amended and Restated Change in Control Severance Protection Agreement.** Directors’ Deferred Compensation Plan, as amended September 23, 2008.* Form of Deposit Share Agreement.*** Fumed Alumina Supply Agreement.+ Adoption Agreement, as amended September 23, 2008, of Cabot Microelectronics Corporation Supplemental Employee Retirement Plan.* Code of Business Conduct. Directors’ Cash Compensation Umbrella Program.* Employment Offer Letter dated November 2, 2003.* Fumed Silica Supply Agreement.+ Non-Employee Directors’ Compensation Summary effective March 2011.* Amendment No. 1 to Fumed Silica Supply Agreement, between Cabot Microelectronics Corporation and Cabot Corporation.+ Amendment No. 2 to Fumed Silica Supply Agreement, between Cabot Microelectronics Corporation and Cabot Corporation.+ First Amendment to the Employment Offer Letter dated November 2, 2003.* Cabot Microelectronics Corporation Supplemental Employee Retirement Plan, as amended.* Cabot Microelectronics Corporation Annual Incentive and Sales Incentive Programs.* Adoption Agreement, as amended January 1, 2010, of Cabot Microelectronics Corporation 401(k) Plan.* Employee Stock Purchase Plan Prospectus as of November 24, 2010.* General Release, Waiver and Covenant Not to Sue.* 65