Cymer (CYMI)

Commission file number 0-21321

CYMER, INC.
(Exact name of registrant as specified in its charter)

(858) 385-7300
(Registrant's telephone number, including area code)

N/A
(Former name, former address and former fiscal year, if changed since last report).

        Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý    No o

        Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes o    No o

        Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of "large accelerated filer," "accelerated filer," and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

        Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o    No ý

        The total number of shares of Common Stock, with $0.001 par value, outstanding on May 4, 2009 was 29,689,920.

Commission file number 0-21321

CYMER, INC.
(Exact name of registrant as specified in its charter)

Registrant's telephone number, including area code: (858) 385-7300

          Securities registered pursuant to Section 12(b) of the Act:

          Securities registered pursuant to Section 12(g) of the Act: None

          Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. ý Yes    o No

          Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. o Yes    ý No

          Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. ý Yes    o No

          Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. o

          Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer" "accelerated filer," and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

          Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). o Yes    ý No

          The aggregate market value of the voting stock held by non-affiliates of the registrant, based upon the closing price of $26.88 for shares of the registrant's common stock on June 30, 2008 as reported on the NASDAQ Global Select Market, was $678,702,259. The registrant has no non-voting common stock. In calculating such aggregate market value, shares of common stock owned of record or beneficially by officers or directors, and persons known to the registrant to own more than ten percent of the registrant's voting securities were excluded because such persons may be deemed to be affiliates. The registrant disclaims the existence of control or any admission thereof for any other purpose. As of February 23, 2009, there were 29,659,917 shares of common stock outstanding.

Commission file number 0-21321

CYMER, INC.
(Exact name of registrant as specified in its charter)

Registrant's telephone number, including area code: (858) 385-7300

          Securities registered pursuant to Section 12(b) of the Act:

          Securities registered pursuant to Section 12(g) of the Act: None

          Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. ý Yes    o No

          Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. o Yes    ý No

          Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. ý Yes    o No

          Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. o

          Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer" "accelerated filer," and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

          Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). o Yes    ý No

          The aggregate market value of the voting stock held by non-affiliates of the registrant, based upon the closing price of $26.88 for shares of the registrant's common stock on June 30, 2008 as reported on the NASDAQ Global Select Market, was $678,702,259. The registrant has no non-voting common stock. In calculating such aggregate market value, shares of common stock owned of record or beneficially by officers or directors, and persons known to the registrant to own more than ten percent of the registrant's voting securities were excluded because such persons may be deemed to be affiliates. The registrant disclaims the existence of control or any admission thereof for any other purpose. As of February 23, 2009, there were 29,659,917 shares of common stock outstanding.

Commission file number 0-21321

CYMER, INC.
(Exact name of registrant as specified in its charter)

Registrant's
telephone number, including area code: (858) 385-7300

          Securities
registered pursuant to Section 12(b) of the Act:

          Securities
registered pursuant to Section 12(g) of the Act: None

          Indicate
by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities
Act. ý Yes    o No

          Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the
Act. o Yes    ý No

          Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act
of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the
past 90 days. ý Yes    o No

          Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter)
is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this
Form 10-K or any amendment to this Form 10-K. o

          Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting
company. See the definitions of "large accelerated filer" "accelerated filer," and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

          Indicate
by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange
Act). o Yes    ý No

          The aggregate market value of the voting stock held by non-affiliates of the registrant, based upon the closing price of $26.88 for shares of the
registrant's common stock on June 30, 2008 as reported on the NASDAQ Global Select Market, was $678,702,259. The registrant has no non-voting common stock. In calculating such
aggregate market value, shares of common stock owned of record or beneficially by officers or directors, and persons known to the registrant to own more than ten percent of the registrant's voting
securities were excluded because such persons may be deemed to be affiliates. The registrant disclaims the existence of control or any admission thereof for any other purpose. As of
February 23, 2009, there were 29,659,917 shares of common stock outstanding.

Commission file number 0-21321

CYMER, INC.
(Exact name of registrant as specified in its charter)

Registrant's
telephone number, including area code: (858) 385-7300

          Securities
registered pursuant to Section 12(b) of the Act:

          Securities
registered pursuant to Section 12(g) of the Act: None

          Indicate
by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities
Act. ý Yes    o No

          Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the
Act. o Yes    ý No

          Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act
of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the
past 90 days. ý Yes    o No

          Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter)
is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this
Form 10-K or any amendment to this Form 10-K. o

          Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting
company. See the definitions of "large accelerated filer" "accelerated filer," and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

          Indicate
by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange
Act). o Yes    ý No

          The aggregate market value of the voting stock held by non-affiliates of the registrant, based upon the closing price of $26.88 for shares of the
registrant's common stock on June 30, 2008 as reported on the NASDAQ Global Select Market, was $678,702,259. The registrant has no non-voting common stock. In calculating such
aggregate market value, shares of common stock owned of record or beneficially by officers or directors, and persons known to the registrant to own more than ten percent of the registrant's voting
securities were excluded because such persons may be deemed to be affiliates. The registrant disclaims the existence of control or any admission thereof for any other purpose. As of
February 23, 2009, there were 29,659,917 shares of common stock outstanding.

Commission file number 0-21321

CYMER, INC.
(Exact name of registrant as specified in its charter)

(858) 385-7300
(Registrant's telephone number, including area code)

N/A
(Former name, former address and former fiscal year, if changed since last report).

        Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. ý Yes    o No

        Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act.

        Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). o Yes    ý No

        The total number of shares of Common Stock, with $0.001 par value, outstanding on May 2, 2008 was 30,351,118.

CYMER, INC.

FORM 10-Q

For the Quarterly Period Ended March 31, 2008

INDEX

2

Commission File Number 0-21321

CYMER, INC.
(Exact name of registrant as specified in its charter)

         Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. ý Yes    o No

         Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. o Yes    ý No

         Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. ý Yes    o No

         Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ý

         Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer" "accelerated filer", and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

         Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). o Yes    ý No

         The aggregate market value of the voting stock held by non-affiliates of the registrant, based upon the closing price of $40.20 for shares of the registrant's common stock on June 30, 2007 as reported on the NASDAQ Global Select Market, was $987,269,951. The registrant has no non-voting common stock. In calculating such aggregate market value, shares of common stock owned of record or beneficially by officers or directors, and persons known to the registrant to own more than ten percent of the registrant's voting securities were excluded because such persons may be deemed to be affiliates. The registrant disclaims the existence of control or any admission thereof for any other purpose.

         Number of shares of common stock outstanding as of February 22, 2008: 30,320,282.

Commission File Number 0-21321

CYMER, INC.
(Exact name of registrant as specified in its charter)

         Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities
Act. ý Yes    o No

         Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the
Act. o Yes    ý No

         Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past
90 days. ý Yes    o No

         Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter)
is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this
Form 10-K or any amendment to this Form 10-K. ý

         Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting
company. See the definitions of "large accelerated filer" "accelerated filer", and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

         Indicate
by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange
Act). o Yes    ý No

         The aggregate market value of the voting stock held by non-affiliates of the registrant, based upon the closing price of $40.20 for shares of the
registrant's common stock on June 30, 2007 as reported on the NASDAQ Global Select Market, was $987,269,951. The registrant has no non-voting common stock. In calculating such
aggregate market value, shares of common stock owned of record or beneficially by officers or directors, and persons known to the registrant to own more than ten percent of the registrant's voting
securities were excluded because such persons may be deemed to be affiliates. The registrant disclaims the existence of control or any admission thereof for any other purpose.

         Number
of shares of common stock outstanding as of February 22, 2008: 30,320,282.

Commission File Number 0-21321

CYMER, INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number including area code: