Sec Form 4 Filing - AKINS ROBERT P @ CYMER INC - 2012-02-07

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person AKINS ROBERT P 2. Issuer Name and Ticker or Trading Symbol CYMER INC [ CYMI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CEO/Chairman (Last) (First) (Middle) 17075 THORNMINT COURT 3. Date of Earliest Transaction (MM/DD/YY) 02/07/2012 (Street) SAN DIEGO, CA92127 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/07/2012 M 3,377 A $ 39.81 61,990 D Common Stock 02/07/2012 S 3,377 D $ 50.46 ( 1 ) 58,613 D Common Stock 02/07/2012 M 16,015 A $ 31.9 74,628 D Common Stock 02/07/2012 S 16,015 D $ 50.46 ( 1 ) 58,613 D Common Stock 02/07/2012 M 1,327 A $ 31.9 59,940 D Common Stock 02/07/2012 S 1,327 D $ 50.46 ( 1 ) 58,613 D Common Stock 02/07/2012 M 21,342 A $ 23.76 79,955 D Common Stock 02/07/2012 S 21,342 D $ 50.46 ( 1 ) 58,613 D Common Stock 02/07/2012 M 15,664 A $ 34.58 74,277 D Common Stock 02/07/2012 S 15,664 D $ 50.46 ( 1 ) 58,613 D Common Stock 02/07/2012 M 334 A $ 34.58 58,947 D Common Stock 02/07/2012 S 334 D $ 50.46 ( 1 ) 58,613 D Common Stock 02/07/2012 M 1,941 A $ 23.76 60,554 D Common Stock 02/07/2012 S 1,941 D $ 50.46 ( 1 ) 58,613 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Incentive Stock Option (right to buy) $ 23.76 02/07/2012 M 1,941 04/01/2004 04/01/2013 Common Stock 1,941 $ 0 0 D Incentive Stock Option (right to buy) $ 31.9 02/07/2012 M 1,327 07/01/2004( 2 ) 07/01/2013 Common Stock 1,327 $ 0 0 D Incentive Stock Option (right to buy) $ 34.58 02/07/2012 M 334 01/02/2004( 2 ) 01/02/2013 Common Stock 334 $ 0 0 D Non-Qualified Stock Option (right to buy) $ 23.76 02/07/2012 M 21,342 04/01/2004( 2 ) 04/01/2013 Common Stock 21,342 $ 0 0 D Non-Qualified Stock Option (right to buy) $ 31.9 02/07/2012 M 16,015 07/01/2004( 2 ) 07/01/2013 Common Stock 16,015 $ 0 0 D Non-Qualified Stock Option (right to buy) $ 34.58 02/07/2012 M 15,664 01/02/2004 01/02/2013 Common Stock 15,664 $ 0 0 D Non-Qualified Stock Option (right to buy) $ 39.81 02/07/2012 M 3,377 10/01/2004( 2 ) 10/01/2013 Common Stock 3,377 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other AKINS ROBERT P 17075 THORNMINT COURT SAN DIEGO, CA92127 X CEO/Chairman Signatures By: Cathy Wingenbach, Attorney-in-Fact For: Robert P. Akins 02/08/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The disposition of shares was conducted under a 10b5-1 Plan, as defined under the Securities Exchange Act of 1934, as amended.Aggregate sales price shown. Actual sales prices ranged: $50.10 thru $50.85 for 58,600 shares and $51.15 thru $51.25 for 1,400 shares. ( 2 )The option vests 25% one year after the vesting commencement date and 1/48 of the shares subject to the option each month thereafter.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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