Allot — Regulatory Filings 2012

Aug 1, 2012

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Allot Olympics Report Shows Social Media Wins Gold

WhatsApp, Facebook and YouTube are Big Stars

Hod Hasharon, Israel – August 1, 2012 - Allot Communications Ltd. (NASDAQ: ALLT), a leading provider of service optimization and revenue generation solutions for fixed and mobile data networks worldwide, today announced a new Allot Olympics Report tracking broadband traffic volumes and usage patterns during the 2012 Olympics in London.

Traffic statistics were collected from mobile and fixed networks around the globe, starting with the opening ceremony on Friday evening, July 27[th] , and continue throughout the games. Allot began monitoring global traffic weeks before the event to establish a usage baseline.

Results and analysis of broadband usage are posted in an Olympic Online Edition of Allot MobileTrends Report. To mark the event, Allot released a special edition of protocol signatures with unique support for identifying traffic directly related to popular sources of online sports coverage such as ESPN, CNTV (China) and BBC Sports.

Key findings in the Online Report include:

• Instant Messaging increased 182% on average during the opening ceremony; WhatsApp was out front with a massive 430% increase

• Online video increased and peaked at 217% during the first official day of competition, with dedicated sites such as ESPN, BBC Sports and CNTV leading the pack

• Facebook traffic posted an 87% increase during the first two days of the games

• YouTube traffic hit 40% during the first official day of competition

This is the first time the Olympics are being streamed live over the Internet. As a result, people can watch and discuss the games anywhere, anytime via mobile access devices.

“Mobile access to the Internet has become part of the online lifestyle for billions of people, and they are taking full advantage of the online content available,” said Jonathon Gordon, Director of Marketing, Allot Communications. “Allot enables fixed and mobile broadband service providers to gain a competitive edge by monitoring and managing the real-time impact of the Olympic Games on their networks.”

Visit www.allotmobiletrends.com to view more statistics and sign up for updates sent directly via email.

About Allot

Allot Communications Ltd. (NASDAQ: ALLT) is a leading provider of intelligent data traffic optimization and monetization solutions for fixed and mobile broadband operators and large

enterprises worldwide. Allot's scalable, carrier-grade solutions provide the visibility, topology awareness, security, application control and subscriber management that are vital to managing fixed and mobile data, enhancing user experience, containing operating costs, and enabling service providers to generate revenues from their broadband networks. Allot's rich portfolio of solutions leverages dynamic actionable recognition technology (DART) to transform broadband pipes into smart networks that can rapidly and efficiently deploy value added Internet services. For more information, please visit http://www.allot.com.

Safe Harbor Statement

Information provided in this press release may contain statements relating to current expectations, estimates, forecasts and projections about future events that are "forwardlooking statements" as defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements generally relate to the Company's plans, objectives and expectations for future operations. These forward-looking statements are based upon management's current estimates and projections of future results or trends. Actual results may differ materially from those projected as a result of certain risks and uncertainties. These factors include, but are not limited to: our ability to increase the breadth and functionality of the Service Gateway platform, changes in general economic and business conditions; the Company’s inability to develop and introduce new technologies, products and applications; loss of market; and other factors discussed under the heading "Risk Factors" in the Company's annual report on Form 20-F filed with the Securities and Exchange Commission. These forward-looking statements are made only as of the date hereof, and the Company undertakes no obligation to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise.

Allot Communications Contact Jonathon Gordon

Director of Marketing Allot Communications Tel: +972 9 7619423 jgordon@allot.com

Public Relations Contact Justine Schneider

Calysto Communications Tel: + 1 404 266 2060 x507 jschneider@calysto.com