Allot — Earnings Release 2011

May 3, 2011

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C001���� ������ ��"�2PublicALLOT COMMUNICATIONS LTD8495Corporation no: 512394776Stock Exchange/Market: ����2748379Hanagar 22 , Hod Hasharon 45240 , ISRAEL ,Tel: 09-7619200 , Fax: 09-7443626E.mail address: Legal@Allot.comDate of transmission: 03/05/2011              Time of broadcast: 11:08 11:06:37

Company site:		www.Allot.com

Reference: 2011-02-136317

Israel Securities Authority		Tel Aviv Stock Exchange
www.isa.gov.il		www.tase.co.il

Report of Periodic or Interim ReportRegulation 3 of the Securities Regulations, (Periodic and Immediate Reports of Foreign Corporation) 5761-2000

The corporation is a foreign private issuer as defined by U.S. Securities Laws.
Attached hereto is a report on
Financial results for the first quarter 2011
Press_Release_2011_Q1_Earnings_Final_isa.pdf

References of previous documents relating to this matter(the reference does not constitute incorporation by reference):
Previous names of reporting entity:
Date of revision of form structure: 13/03/2011
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Name of the Signatory: : Faibish Doron Baruch , Position of Signatory in the reporting corporation: General Counsel , Name of Employer Company: .
Hanagar Telephone: 09-7628419 , Facsimile: 09-7443626 , E-mail: Dfaibish@Allot.com 2