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| o | REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|---|------------------------------------------------------------------------------------------------|

| x | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|---|--------------------------------------------------------------------------------------|

| o | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|---|------------------------------------------------------------------------------------------|

| o | SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|---|---------------------------------------------------------------------------------------------|

| Title of each class                 | Name of each exchange on which registered |
|-------------------------------------|-------------------------------------------|
| Ordinary Shares, NIS 0.02 Par Value | NASDAQ Global Select Market               |

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| Large Accelerated filer o | Accelerated filer x | Non-accelerated filer o |
|--------------------------------|---------------------|-------------------------|

| U.S. GAAP x | International Financial Reporting Standards as issued by the International Accounting Standards Board o | Other o |
|-------------|---------------------------------------------------------------------------------------------------------|---------|

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| ITEM 19. | EXHIBITS |
|----------|----------|

| Exhibit No. |   | Description of Exhibit                                                                                                                                                                                            |
|-------------|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 1.1         |   | Memorandum of Association of the Registrant (1)                                                                                                                                                                   |
| 1.2         |   | Amended and Restated Articles of Association of the Registrant (2)                                                                                                                                                |
| 1.3         |   | Certificate of Name Change of the Registrant (translated from Hebrew)(3)                                                                                                                                          |
| 4.1         |   | EZchip Semiconductor Ltd. 2003 Amended and Restated Equity Incentive Plan (4)                                                                                                                                     |
| 4.2         |   | EZchip Semiconductor Ltd. 2007 U.S. Equity Incentive Plan (5)                                                                                                                                                     |
| 4.3         |   | EZchip Semiconductor Ltd. 2009 Israel Equity Plan (6)                                                                                                                                                             |
| 4.4         |   | Agreement for Purchase and Sale of Goods dated January 1, 2007, by and between Juniper Networks, Inc. and EZchip Technologies Ltd.(7)*                                                                            |
| 4.5         |   | Master ASIC Services Agreement dated April 29, 2004, by and between eSilicon Corporation and EZchip Technologies Ltd.(8)*                                                                                         |
| 4.6         |   | Technology, Development, License and Manufacturing Agreement dated April 12, 2006 among Marvell International Ltd., Marvell Semiconductor Israel Ltd., and EZchip Technologies Ltd.*                              |
| 4.7         |   | Amendment No. 1 to Technology Development, License and Manufacturing Agreement, dated September, 2006 by and between Marvell International Ltd. Marvell Semiconductor Israel Ltd., and EZchip Technologies Ltd.*  |
| 4.8         |   | Amendment No. 2 to Technology Development, License and Manufacturing Agreement, dated September 24, 2009 by and between Marvell International Ltd., Marvell Israel (M.I.S.L.) Ltd., and EZchip Technologies Ltd.* |
| 4.9         |   | Business Term Agreement dated November 15, 2006 among Cisco Systems, Inc, Marvell International Ltd., Marvell Semiconductor Israel Ltd., EZchip Technologies Ltd.*#                                               |
| 4.10        |   | Business Term Agreement  dated December 7, 2010 among Cisco Systems, Inc, Marvell International Ltd., Marvell Israel Ltd., EZchip Technologies Ltd., and EZchip Inc.*#                                  |
| 4.11        |   | Custom Sales Agreement (Agreement No. 00590) dated October 30, 2000 between EZchip Technologies Ltd. and International Business Machines Corporation*#                                                            |
| 4.12        |   | First Amended and Restated ASIC Attachment No. 2 to Custom Sales Agreement No. 000590*                                                                                                                            |
| 4.13        |   | Amendment No. 4 to Custom Sales Agreement dated January 29, 2008 between EZchip Technologies Ltd. and International Business Machines Corporation#                                                                |
| 8.1         |   | List of Significant Subsidiaries#                                                                                                                                                                                 |
| 12.1        |   | Certification of Principal Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act, as amended                                                                                             |
| 12.2        |   | Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act, as amended                                                                                                 |
| 13.1        |   | Certification of Principal Executive Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002#                                                                    |
| 13.2        |   | Certification of Chief Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002#                                                                        |
| 15.1        |   | Consent of Kost Forer Gabbay & Kasierer, a member of Ernst & Young Global#                                                                                                                                |

|   | * | Confidential treatment has been requested for certain deleted portions. |
|--------|---|-------------------------------------------------------------------------|

|   | # | Previously filed with the Company’s Form 20-F on March 31, 2011. |
|--------|---|------------------------------------------------------------------------|

|   | (1) | Filed as Exhibit 3.1 to the Registrant’s Registration Statement on Form F-1, registration number 33-52676, and incorporated herein by reference. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (2) | Filed as Exhibit 1.2 to the Registrant’s Annual Report on Form 20-F for the year ended December 31, 2007, and incorporated herein by reference. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (3) | Filed as Exhibit 1.3 to the Registrant’s Annual Report on Form 20-F for the year ended December 31, 2008, and incorporated herein by reference. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (4) | Filed as Exhibit 4.2 to the Registrant’s Annual Report on Form 20-F for the year ended December 31, 2006, and incorporated herein by reference. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (5) | Filed as Exhibit to the Registrant’s Form 6-K, dated December 3, 2007, and incorporated herein by reference. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------|

|   | (6) | Filed as Exhibit 4.4 to the Registrant’s Registration Statement on Form S-8, filed January 14, 2010, and incorporated herein by reference. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (7) | Filed as Exhibit 4.7 to the Registrant’s Annual Report on Form 20-F/A for the year ended December 31, 2007 and incorporated herein by reference. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (8) | Filed as Exhibit 4.8 to the Registrant’s Annual Report on Form 20-F/A for the year ended December 31, 2007 and incorporated herein by reference. |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------|

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|   | EZCHIP SEMICONDUCTOR LTD. |                        |
|--------|---------------------------|-----------------------------|
|   |                      |                        |   |
|   | By:                       | /s/ Eli Fruchter       |   |
|   |                      | Eli Fruchter                |   |
|   |                      | Principal Executive Officer |   |
|   |                      |                        |   |

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