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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549





FORM 10-K





(MARK ONE)



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

FOR THE FISCAL YEAR ENDED APRIL 30, 2010

OR



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

FOR THE TRANSITION PERIOD FROM
                     TO

COMMISSION FILE NUMBER 000-28139





BLUE COAT SYSTEMS, INC.

(Exact Name of Registrant as Specified In Its Charter)







|                                                               |  |                                     
|-------------------------------------------------------------- |  | ------------------------------------
|DELAWARE                                                       |  | 91-1715963                          
|(State or Other Jurisdiction of
Incorporation or Organization) |  | (I.R.S. Employer
Identification No.)

420 NORTH MARY AVENUE

SUNNYVALE, CALIFORNIA 94085

(Address of Principal Executive Offices and Zip Code)

Registrants Telephone Number, Including Area Code: (408) 220-2200





Securities Registered Pursuant to Section 12(b) of the Act:



|                               |  |                                          
|------------------------------ |  | -----------------------------------------
|Title of Each Class            |  | Name of Each Exchange on Which Registered
|Common Stock, $.0001 Par Value |  | The NASDAQ Stock Market LLC              

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.    YES   ̈    NO  x

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the
Act.    YES   ̈    NO  x

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  x    NO   ̈

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 (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such
files).    YES   ̈    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.   ̈

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.



|                           |  |                   |   |  |                                              |  |                           |  
|-------------------------- |  | ----------------- | - |  | -------------------------------------------- |  | ------------------------- | -
|Large accelerated filer  x |  | Accelerated filer |  ̈ |  | Non-accelerated filer   ̈                     |  | Smaller reporting company |  ̈
|                           |  |                   |   |  | (Do not check if a smallerreporting
company) |  |                           |  

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the
Act).    YES   ̈    NO  x

The aggregate market value of the common stock held by non-affiliates of the registrant was $876,978,097 as of October 30, 2009,
which is the last business day of the registrants most recently completed second fiscal quarter, based upon the closing sale price on The NASDAQ Stock Market LLC reported for such date. Shares of Common Stock held by each officer and director
and by each person who may be deemed to be an affiliate have been excluded. This determination of affiliate status is not necessarily a conclusive determination for other purposes.

There were 42,625,317 of the registrants Common Stock issued and outstanding as of May 31, 2010.

Documents Incorporated by Reference:

Part IIIPortions of the registrants definitive proxy statement to be issued in conjunction with registrants 2010 annual
stockholders meeting.









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BLUE COAT SYSTEMS, INC.

ANNUAL REPORT ON FORM 10-K

FOR THE FISCAL YEAR ENDED APRIL 30, 2010

TABLE OF CONTENTS



|         |  |                                                                                                              |  |     
|-------- |  | ------------------------------------------------------------------------------------------------------------ |  | ----
|         |  |                                                                                                              |  | Page
|         |  | PART I                                                                                                       |  |     
|         |  |                                                                                                             
|Item 1.  |  | Business                                                                                                     |  | 4   
|Item 1A. |  | Risk Factors                                                                                                 |  | 15  
|Item 1B. |  | Unresolved Staff Comments                                                                                    |  | 26  
|Item 2.  |  | Properties                                                                                                   |  | 26  
|Item 3.  |  | Legal Proceedings                                                                                            |  | 27  
|         |  |                                                                                                             
|         |  | PART II                                                                                                      |  |     
|         |  |                                                                                                             
|Item 5.  |  | Market for Registrants Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities |  | 28  
|Item 6.  |  | Selected Financial Data                                                                                      |  | 30  
|Item 7.  |  | Managements Discussion and Analysis of Financial Condition and Results of
Operations                        |  | 31  
|Item 7A. |  | Quantitative and Qualitative Disclosures about Market Risk                                                   |  | 49  
|Item 8.  |  | Financial Statements and Supplementary Data                                                                  |  | 50  
|Item 9.  |  | Changes in and Disagreements with Accountants on Accounting and Financial Disclosure                         |  | 89  
|Item 9A. |  | Controls and Procedures                                                                                      |  | 89  
|Item 9B. |  | Other Information                                                                                            |  | 90  
|         |  |                                                                                                             
|         |  | PART III                                                                                                     |  |     
|Item 10. |  | Directors, Executive Officers and Corporate Governance                                                       |  | 92  
|Item 11. |  | Executive Compensation                                                                                       |  | 92  
|Item 12. |  | Security Ownership of Certain Beneficial Owners and Management and Related Stockholder
Matters               |  | 92  
|Item 13. |  | Certain Relationships and Related Transactions, and Director Independence                                    |  | 92  
|Item 14. |  | Principal Accounting Fees and Services                                                                       |  | 92  
|         |  |                                                                                                             
|         |  | PART IV                                                                                                      |  |     
|         |  |                                                                                                             
|Item 15. |  | Exhibits and Financial Statement Schedules                                                                   |  | 93  
|         |  | Signatures                                                                                                   |  | 94  
|         |  | Exhibits                                                                                                     |  | 95  
|         |  | Schedule II                                                                                                  |  | 100 



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FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K, and other materials accompanying this Annual Report on Form 10-K contain forward-looking
statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements relate to our future plans, objectives, expectations, intentions and financial performance
and the assumptions that underlie these statements. These forward-looking statements include, but are not limited to, statements concerning the following: plans to develop and offer new products and services and enter new markets; expectations with
respect to future market growth opportunities; changes in and expectations with respect to revenues, gross margins and income tax provisions; future operating expense levels and operating margins; the impact of quarterly fluctuations of revenue and
operating results; our ability to achieve expected levels of revenues and profit contributions from acquired businesses; the impact of macroeconomic conditions on our business; the adequacy of our capital resources to fund operations and growth;
investments or potential investments in acquired businesses and technologies, as well as internally developed technologies; the effectiveness of our sales force, distribution channel, and marketing activities; the impact of recent changes in
accounting standards and assumptions underlying any of the foregoing. In some cases, forward-looking statements are identified by the use of terminology such as anticipate, expect, intend, plan,
predict, believe, estimate, may, will, should, would, could, potential, continue, ongoing, or negatives or
derivatives of the foregoing, or other comparable terminology.

The forward-looking statements in this Annual Report on
Form 10-K involve known and unknown risks, uncertainties and other factors that may cause industry and market trends, or our actual results, level of activity, performance or achievements, to be materially different from any future trends, results,
level of activity, performance or achievements expressed or implied by these statements. For a detailed discussion of these risks, uncertainties and other factors, see the Risk Factors section in Item 1A of this Annual Report on
Form 10-K. We undertake no obligation to revise or update forward-looking statements to reflect new information or events or circumstances occurring after the date of this Annual Report on Form 10-K.



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PART I

Item 1. Business

General

We design,
develop and sell products and services that secure and optimize the delivery of business applications and other information to distributed users over a Wide Area Network (WAN), or the public Internet (also known as the Web). Our products
provide our end user customers with information about the applications and Web traffic running on their networks, including the ability to discover, classify, manage and control communications between users and applications across internal networks,
the WAN and the Internet. Our products are also designed to optimize the performance of our end users business applications and content, whether used internally or hosted by external providers. In addition to optimizing the performance and
delivery of applications, our products enable our end user customers to secure their Internet gateways and remote computer systems by providing protection from malicious code, or malware, and objectionable content.

Our products are based upon three core functionalities:



| |  |  | Security:Security of the delivery of business applications and protection from malware, spyware or other malicious threats, together with
centrally managed policy enforcement that enables an enterprise to set, enforce and measure compliance with its corporate IT policies. When combined with visibility, policy controls offer enterprises multiple layers of network security from
malicious threats and content.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Acceleration:Acceleration and optimization of the delivery of internal, external, real-time and customized applications across the networks of
distributed enterprises. Optimizing the delivery of business-critical applications to provide faster response times enables an enterprise to more efficiently utilize existing bandwidth and to increase its users productivity.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Visibility:Visibility of applications and users on the network to enable distributed enterprises to discover, classify, prioritize and monitor
applications, content and users according to their corporate IT policies. With centralized visibility into its application traffic, an enterprise can more efficiently monitor end user application response times and align its network investments with
changing business requirements.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

While our products are frequently sold and used individually, many of our
product and service offerings share a common architecture and work together as part of an Application Delivery Network infrastructure to enable enterprises with multiple offices and geographically decentralized employees (distributed
enterprises) to more efficiently and effectively use and secure their critical business applications and networks. Traditionally, our principal product offerings have been hardware appliances that contain preloaded software.

Our primary end user customers are large and medium distributed enterprises, including finance, healthcare, and other business
enterprises, along with U.S. Federal, state and local, and foreign government agencies. Distributed enterprises deploy our products in their data centers and branch offices, at Internet gateways and on mobile devices worldwide.

Our Business Strategy

We offer products and services designed to optimize and secure the flow of information to network users across the distributed enterprise.
Our products and services solve three key business challenges facing our customers today:



| |  |  | The need to contain costs, to maximize the return on their existing network investments, and to make more informed decisions and investments with
respect to scaling their networks to meet business requirements;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| |  |  | The slow, unpredictable access to applications and content, and resulting detrimental impact on user productivity, caused by increased reliance on the
WAN and the Internet; and
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Proliferation of security risks, including malware threats, and increasing regulatory compliance requirements, which primarily result from the
widespread use of the Internet.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

We recently have taken steps to grow our business and increase our revenue
by adding new methods of delivering our core functionalities and by addressing new markets. We released our first virtual appliance in March 2010. This virtual appliance is software that operates on industry standard hardware and
virtualization software, rather than on a proprietary appliance, and that delivers our core acceleration functionality. As well, in March 2010, we commercially released an appliance that provides acceleration functionality and is specifically
targeted at and marketed to telecommunications service providers.

We presently are investing in developing and procuring the
technology and infrastructure necessary to deliver our security functionality on a subscription basis over the Internet, a model commonly known as cloud computing, and plan to introduce our first cloud-based offering later in the fiscal
year.

We also intend to continue to grow our core business through further market penetration and cross-selling to existing
customers, through the addition of new partners and alliances, and potentially through strategic acquisitions of technology or businesses.

Our Product Strategy and Markets

We operate our business in a single segment and conduct business worldwide. Our net revenue is attributed to one of three geographic areas
based on the location of the customer. Our business consists of two categories: products and services. Products represented 64.9%, 68.7% and 76.6% of our revenues for fiscal 2010, 2009 and 2008, respectively. Services represented 35.1%, 31.3% and
23.4% of our revenues for fiscal 2010, 2009 and 2008, respectively. See Note 14 of Notes to Consolidated Financial Statements for additional information related to our revenue categories and a summary of net revenue by geographic area.

Our products can generally be categorized into three basic product groups based upon their core functionalities. However,
when used as part of an Application Delivery Network infrastructure, certain of our products overlap product groups and address the needs of multiple markets.

Security: Secure Web Gateway Products

Since 2002, we have designed, developed and sold proxy appliances used to control and secure communications for users of a corporate
network accessing content on the Internet. These appliances are located at the customers Internet gateway, which is the point where the corporate network connects to the Internet.

One of the key strengths of our appliances is our advanced proxy technology. Our proxy appliance acts as a middleman between users and
various applications or Internet content. Users communicate with the proxy appliance on one side of the transaction, and applications and Internet content communicate with the proxy appliance on the other side of the transaction. There are two
separate connections, both controlled and managed by the proxy appliance. Consequently, no content can get past the appliance unless it is in accordance with an IT policy that is set by the customers IT administrator and that is automatically
enforced by the appliance. This enables our proxy appliances to protect businesses from many of the security dangers, such as malware, phishing and viruses that can arise from using the Internet.

Our Secure Web Gateway products are designed to perform the following functions to provide more secure communications with the Internet:



| |  |  | Prevent the installation of malware and other malicious code on individual user computers and reduce the networks exposure to security
vulnerabilities without compromising its performance;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| |  |  | Identify and block security threats arising from the use of the SSL, or Secure Sockets Layer, protocol. While the use of SSL improves security by
encrypting confidential data communicated over the Web, it may also provide a means to disguise viruses, worms and other security threats and allow them to enter the network;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Comply with regulatory and industry data protection requirements by monitoring network, webmail and Internet bound traffic, including SSL traffic, to
prevent loss or transmission of data in violation of applicable law or policy;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Provide data security and policy enforcement for mobile workers and small branch offices through client-based software that can utilize our
WebPulse dynamic web content rating service for unrated or newly published web content to enhance web content categorization;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Provide users the ability to proactively manage or block specific types of Web content from entering the corporate network in order to prevent
potential security breaches and to block employees from viewing inappropriate content when using the companys computer systems;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Automatically validate a user who requests access to secure corporate content. Our appliances interface with virtually all leading identity
authentication systems including: NT LAN Manager, RADIUS, LDAP and Active Directory; and
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Provide protection by automatically scanning and blocking malware, phishing, viruses and other potentially malicious network traffic using leading
third party anti-malware products.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Our Secure Web Gateway products are directed at both large enterprises
(with 2,000 or more users) and mid-market enterprises (with 500-2,000 users).

Secure Web Gateway for Large Enterprises

Our Secure Web Gateway solutions for large enterprises include our Blue Coat
ProxySG® Proxy Edition appliance, which provides proxy, policy and authentication functionality; Blue Coat
ProxyAV appliance, which provides malware scanning; Blue Coat Reporter software, which provides consolidated and role-based reporting of enterprise Web Activity; and Blue Coat WebFilter product, which is a content filtering database that
operates on our ProxySG appliance and includes client-based software for remote workers. Our WebFilter product is updated on a real-time basis through our remotely hosted WebPulse service, which provides real-time, multi-lingual rating of Web
content and threats.

As a market leader in the highly penetrated large enterprise market segment, our current strategy
includes cross-selling and continuing to improve and enhance our existing product portfolio, including providing enhanced functionality through technology partnerships with third parties. We also are planning to introduce a Blue Coat branded
appliance that specifically addresses data loss prevention in the first quarter of fiscal 2011. As well, we believe that there will be opportunities to deliver certain functionality to this market as a cloud-based service and as a hybrid combination
of a cloud-based service and product-based offering.

Secure Web Gateway for Mid-Market Enterprises

Our initial Secure Web Gateway solution directed at mid-market enterprises consists of a bundle that includes our ProxySG appliance, our
WebFilter database, our ProxyAV appliance and our Reporter software. We are a relatively new entrant in the mid-enterprise market segment, which we believe offers opportunity for growth. We believe that, in the long term, much of the functionality
offered to this market segment will be delivered as a cloud-based service or as a hybrid combination of a cloud-based service and product-based offering, and that our planned cloud-based service will be of particular interest to this market segment.

Cloud-Based Secure Web Gateway Service

We presently are developing a cloud-based service that will provide our Secure Web access through a subscription based
software-as-a-service (SaaS) or cloud model, and anticipate that our initial version of



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the service will be available in the second half of calendar 2010. This service will leverage the core functionality of our ProxySG appliance technology, WebPulse hosted web filtering
service and our Reporter software. Our initial target customers will be mid-market enterprises, but we believe that the service will also be attractive to branch office and individual users in large enterprises.

Acceleration: WAN Optimization Products

During fiscal 2007, we extended our focus to address the need to improve the performance and availability of critical business
applications delivered across the WAN to users across the distributed enterprise, a capability that is commonly defined as WAN optimization or WAN acceleration.

Our WAN Optimization products are delivered by the same ProxySG appliances that enable our Secure Web Gateway technologies, and are
designed to help distributed enterprises optimize and secure the delivery of their business applications. They enable IT administrators to set and enforce corporate IT policies to protect information from theft and loss. In addition, they provide
the ability to manage recreational traffic to ensure business-critical applications have adequate bandwidth during peak demand. Our WAN Optimization technology provides five key capabilities that are designed to optimize the delivery of business
applications to users across the distributed enterprise, including:



| |  |  | Bandwidth managementthe ability to assign a set level of bandwidth to specific users and applications and prioritize delivery of that traffic
over the WAN;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Protocol optimizationa technique that enhances the efficiency of protocols by reducing the communication required between the user and the
application;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Object cachinga technique where reusable content is stored on the appliance eliminating the need to repeatedly transfer the same information
across the WAN;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Byte cachinga technique that assigns, stores and uses abbreviated expressions that represent repetitive WAN traffic, which conserves bandwidth
and accelerates delivery of the application; and
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Compressiona technique that uses an industry standard algorithm to package and unpackage information for efficient transmission across the WAN.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------

Our WAN Optimization technology is also designed to improve the performance of real-time and encrypted
applications, including streaming video, encrypted SSL applications and applications hosted by third parties and accessed over the Internet.

Our appliances are deployed in both centralized data centers and in branch offices. In addition, we make WAN Optimization functionality
available as client-based software for users requiring optimized application performance while working outside of the corporate network or at offices where an appliance is not installed.

As of April 30, 2010, our principal products that address the WAN Optimization market (some of which may also be used in connection
with Secure Web Gateway and Application Performance Monitoring applications) include the ProxySG appliance, which is directed at large and mid-sized enterprises, the ProxySG Virtual Appliance, which is directed at large and mid-sized enterprises,
and the CacheFlow 5000 appliance, which is directed at the carrier infrastructure, or telecommunications service provider, market.

Visibility: Application Performance Monitoring Products

Our application performance monitoring products identify and classify the applications on the network, provide visibility into network
utilization and monitor application response times, utilization and performance. These products assist our large and mid-sized end user customers in shaping their network traffic and provide Quality of Service provisioning to ensure that critical
applications have priority. As of April 30, 2010, our principal products that address the Application Performance Monitoring market (some of which may also be used in connection with Secure Web Gateway and WAN optimization applications) include
PacketShaper appliance and the IntelligenceCenter and PolicyCenter software.



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Products

As of April 30, 2010, our principal products are the following:

ProxySG Appliance

Our Blue Coat
ProxySG® family of proxy appliances serves as the foundation for both our Secure Web Gateway products and our
WAN Optimization offerings. The appliance, when appropriately configured, may be placed at the Internet gateway, to provide security with respect to Web-based communications, or may be placed at connection points for entry to or exit from a WAN (or
WAN links) to enhance and accelerate the performance of business applications and Web-based content, including video, rich media and Web 2.0 content, over that WAN. Our ProxySG appliances run our proprietary SGOS operating system,
which is specifically designed to support the security, acceleration and policy control features of those appliances.

Our
Blue Coat ProxyClient software supplements our ProxySG appliance and is designed to be used on desktop or laptop computers at remote sites that do not have a ProxySG appliance installed and on computers used by mobile employees. It can be
administered with the ProxySG management console. The software provides both WAN optimization and security features. It accelerates the delivery of business applications accessed by a remote or mobile computer through use of the caching, compression
and protocol optimization technologies employed in our ProxySG appliance, which provides the user with performance that is similar to that provided by a ProxySG appliance to users of large WAN installations. The ProxyClient software also provides
remote or mobile computer users with real-time protection against Web threats, such as malware, and supports the Internet acceptable use policies of the enterprise even when the computer is not connected to corporate network.

ProxySG Virtual Appliance

Our Blue Coat ProxySG Virtual Appliance is software that provides our WAN Optimization functionality and operates on a virtual environment
running on an industry standard server. Our initial release of this product was March 31, 2010.

CacheFlow 5000 Appliance

Our CacheFlow 5000 appliance was released in March 2010. This product is directed at large telecommunications service
providers and is intended to address the problems confronted by these organizations as a consequence of the tremendous growth in Web and media rich content delivered by these carriers. We initially are targeting sales to carriers in geographies
where bandwidth is relatively scarce and expensive, since our first appliance principally focuses on the reduction of bandwidth consumption. We currently plan to continue to develop this product and to provide broader functionality to make it
attractive to carriers globally.

Blue Coat ProxyAV Appliance

Our Blue Coat ProxyAV appliances are designed for use with ProxySG appliances to provide inline threat protection and malware scanning of
Web content at the Internet gateway. They also work in conjunction with Blue Coat WebPulse and WebFilter to provide additional defense against the entry of viruses, Trojans, worms, and other forms of malicious content into the end users
network. In addition to operating with Blue Coat proprietary databases, ProxyAV supports various leading malware engines.

Blue Coat
WebFilter Software

Our Blue Coat WebFilter software is a content filtering database that operates on our ProxySG
appliance and includes client-based software for remote workers. Our WebFilter software is updated on a real-time basis through our remotely hosted WebPulse service, which provides real-time, multi-lingual rating of Web content and threats. It helps
enterprises and service providers protect their users and networks from Internet threats and



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inappropriate content and traffic, such as adult content, spyware, phishing attacks, peer-to-peer (P2P) traffic, instant messaging (IM), viral content and streaming traffic. Our WebFilter
software provides a comprehensive database that is organized into relevant and useful categories. In addition to our proprietary WebFilter software, our Proxy SG appliances also support the use of various third party content filtering databases.

Blue Coat Reporter Software

Our Blue Coat Reporter software collects data and generates pre-defined and custom reports to provide an IT administrator with better
visibility into the enterprises Web-related user activity. The information in these reports can be used by the IT administrator to appropriately adjust policies or to take other actions to enhance the security or performance of the
enterprises WAN.

Blue Coat Director Appliance

Our Blue Coat Director appliance enables an IT administrator to centrally manage an enterprises Blue Coat ProxySG appliances. It
provides IT administrators with the ability to create standard configurations and automate the deployment of Blue Coat appliances across the distributed enterprise, to monitor and enforce security policies, and to respond to sudden network changes,
including disasters and outages, in real-time so that problems can be addressed before computer users are impacted.

Blue Coat
PacketShaper Appliance

Our Blue Coat PacketShaper family of appliances provides an IT administrator with the ability
to monitor applications running on the enterprises network to obtain better information on its LAN/WAN/Internet traffic. PacketShaper appliances can identify and measure a variety of traffic types, including mission-critical, recreational,
voice over IP, and real-time applications such as video conferencing. The administrator can use this information to track, troubleshoot and manage the network traffic to meet service level agreements and Quality of Service standards on the highest
priority network traffic.

Blue Coat IntelligenceCenter Software

Our Blue Coat IntelligenceCenter software provides application performance monitoring for PacketShaper appliances deployed across the
distributed enterprise. It correlates the data collected by the appliances and generates reports on application and network utilization, performance under service level agreements and voice over IP performance levels, in order to identify and
diagnose performance problems and to identify unauthorized applications operating on the network.

Blue Coat PolicyCenter Software

Our Blue Coat PolicyCenter software provides an IT administrator with the ability to centrally manage the
configuration, policy management, software distribution and adaptive response tracking of a distributed PacketShaper environment. This enables the administrator to align application performance and bandwidth utilization with the changing demands of
the network and enterprise. Through use of a single interface, the administrator can manage up to 600 PacketShaper appliances and can apply customized policies based on the location or role of those appliances or on other criteria.

Services and Support

We
maintain a worldwide service and support organization that provides a broad range of service options to our customers, including warranty and technical support, professional services and product training. Hardware and software support is managed and
delivered by our Customer Service & Support organization and through a network of channel support and logistics partners.



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Under our BlueTouch support program, we sell and deliver services both directly and
through our channel partners, including BlueTouch Support Partners, and we make services available at direct and Authorized Training Center locations. Under this support program, our global call centers provide front and back-line services in a 24x7
follow-the-sun model for service delivery to our end user customers and our authorized channel partners.

Sales

Our worldwide sales strategy employs a multiple tier channel distribution model to provide complementary personnel, tactics, approaches
and capabilities to address existing and prospective customers based upon their size, the type of business in which they are engaged and their purchasing practices. While historically we assigned territory-based sales teams to provide sales
coverage, we revised our sales model in fiscal 2010 to provide sales resources focused on the level of sales opportunity. As part of that reorganization, we allocated and aligned our sales support personnel, such as sales engineers, based on their
skill sets, rather than assigning them to a single sales team. During the first quarter of fiscal 2011, we established a separate sales team focused on the telecommunications carrier market and managed service provider market.

Our sales organization is comprised of sales representatives or account managers and systems engineers; an inside sales team; and a
channel sales organization. Our sales representatives or account managers work both with our channel partners and directly with end user customers to assess end user customer requirements and complete sales transactions. The primary role of our
sales engineers is to provide technical expertise necessary to complete sales transactions. Our inside sales team evaluates end user customer leads, makes initial contact with end user customers and provides general support to the sales team. The
role of our channel sales organization is to enable and grow the revenue contribution of our channel partners, which include value-added resellers and distributors (collectively, our channel partners). Our channel sales organization
provides sales and technical education, co-marketing programs, and demonstration equipment and support programs, either directly or through our value-added channel partners. It is responsible for the identification, development and support of local
and regional value-added resellers, global systems integrators and service providers. During fiscal 2010, approximately 98% of our sales were made through our channel partners. Certain of our global distributors, including their various
affiliates, account for more than 10% of our net revenue. In fiscal 2010, ComputerLinks, Westcon Group, Inc. and Arrow Enterprise Computing Solutions Inc. accounted for 23.0% 17.3% and 13.3%, of our total net revenue, respectively.

Our end user customers are categorized as strategic, large enterprise or mid-market based upon market segmentation. Each category is
supported by the appropriate level of our direct sales organization, including account and territory managers focused on that category and system engineers that support these sales efforts together with our distributors and value-added resellers.

Marketing

Our marketing investments are focused on increasing the awareness of the Blue Coat brand and products among both traditional IT decision
makers (network and security managers and administrators) and strategic IT decision makers (CIOs and their direct staff); educating the market about the business and technology challenges that drive the need for our products and services; and
creating demand for our products, services and capabilities. We develop marketing programs to support the sale and distribution of our products and services, and to inform existing and prospective customers within our target market segments about
the capabilities and benefits of our products.

Our strategic marketing investments include a global brand advertising
campaign intended to increase awareness of Blue Coat among strategic IT decision makers. Our worldwide marketing efforts include participation in industry trade shows, informational seminars, preparation of competitive analyses, sales training,



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maintenance of our Web site, advertising, public relations, industry analyst relations and preparation of collateral and documentation regarding our products and services. In addition, we provide
similar types of marketing support for our major channel partners and technology integration partners worldwide.

Research and Development

We believe that strong product development capabilities are essential to our continued success and growth. We presently
are making substantial investment in developing our cloud-based service, although we anticipate that any revenue from this subscription service in fiscal 2011 will be negligible. We also are investing in further developing our acceleration appliance
for the carrier infrastructure market. We continue to add new features and strengthen existing features of our core Secure Web Gateway, WAN optimization and Application Monitoring products by adding new features and strengthening existing features.
In addition, we are investing in exploring new and adjacent markets and products that build on our core competence.

Our
research and development team consists of engineers with extensive technical backgrounds in relevant disciplines. We believe that the experience and capabilities of our research and development professionals is one of our significant competitive
advantages. We also work closely with our customers to understand their business needs and to focus our development of new products and product enhancements to better meet customer needs.

In fiscal 2010, as part of a global corporate restructuring, we consolidated our research and development efforts into development
centers located in Sunnyvale, California, Draper, Utah, Waterloo, Canada, and Bangalore, India. We acquired our Bangalore facility in connection with our acquisition of a majority interest in S7 Software Solutions Pvt. Ltd., an Indian research and
development firm, in January 2010.

While we anticipate that most enhancements to our existing and future products will be
accomplished by internal development, we currently license certain technologies from third parties and will continue to evaluate externally developed products and technology for integration with our products. As well, we have acquired third party
businesses, technologies and products to expand our capabilities and market, and may continue to do so in the future.

Research and development expense was $84.9 million, $76.7 million and $51.6 million for the fiscal years 2010, 2009 and 2008,
respectively, including stock-based compensation expense attributable to our research and development organization of $6.5 million, $5.3 million and $5.0 million, respectively.

Manufacturing

We
currently outsource the manufacturing of our appliances and principally use industry standard parts and components that are available from multiple vendors. This approach allows us to reduce our investment in manufacturing equipment, facilities
and raw material inventory, and to take advantage of the expertise of our vendors. We have limited sources of supply for certain key components of our products, which exposes us to the risk of component shortages or unavailability. We have
contracted with SMTC Corporation to manufacture certain of our current product offerings. We have contracted with MiTAC International Corporation, Inventec Corporation and Lanner Electronics, Inc. to design and manufacture certain of our current
product offerings. We also have contracted with Menlo Worldwide Logistics and Synnex Corporation to load our software on our appliances, test our products prior to final delivery and provide fulfillment servicing for our products. Each of these
agreements is non-exclusive.

In fiscal 2010, we revised our global logistics practices to ship directly from two regional
logistics centers to our end user customers and value-added resellers worldwide. This model has proven more efficient and cost-effective, for both us and our channel partners.

Our internal manufacturing operations consist primarily of project management, prototype development, materials and production planning,
quality and reliability assurance and procurement services, as required in support of our relationships with our outsourced manufacturing partners.



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Backlog

Our backlog is comprised of amounts for product orders that we have accepted, but not shipped, and related service orders. Our backlog was
approximately $17.0 million at April 30, 2010 compared with $6.1 million at April 30, 2009. Although we believe that the backlog orders are firm, purchase orders may be cancelled by the customer prior to shipment without significant
penalty. We believe that our backlog at any given date is not a reliable indicator of future revenues.

Competition

We are a market and technology leader in the Secure Web Gateway market, although we may face increased competition in this market given
recent consolidations. Our principal competitors in this market are McAfee, Inc., through its acquisition of Secure Computing Corporation; Websense, Inc.; and Cisco Systems, Inc. In addition, we expect additional competition from other established
and emerging companies as the Secure Web Gateway market continues to develop and expand and as consolidation occurs.

Our
principal competitors in the WAN Optimization market are Riverbed Technology, Inc. and Cisco Systems, Inc. In addition, we expect additional competition from other established and emerging companies as the WAN Optimization market continues to
develop and expand and as consolidation occurs.

Our principal competitors in the Application Performance Monitoring Market
are CA, Inc. (through its acquisition of .NetQoS, Inc. in 2009), OPNET Technologies, Inc., Procera Networks, Inc. and Ipanema Technologies. In addition, we expect increased competition from other established and emerging companies in local regions,
particularly in the APAC and EMEA geographic markets.

The primary factors considered by our customers in selecting an
appropriate solution include product characteristics such as reliability, feature sets, scalability and ease of use, as well as factors such as price and the availability and quality of customer support.

Environment

We are
subject to regulations that have been adopted with respect to environmental matters, such as the Waste Electrical and Electronic Equipment (WEEE), Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment (RoHS)
and the regulations concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) adopted by the European Union. As well, we are engaging in efforts to design and develop our products in a manner that will improve their
energy efficiency and will enhance the ability to recycle them.

We have implemented a new program to encourage end user
customers who have replaced outdated Blue Coat appliances with current models to return the outdated appliances to us, at no charge, for component reuse or recycling. The goal of the program is to reduce Blue Coat product waste destined for
landfills, as well as to generate cost savings. We project that savings from the recycling and reuse program will cover the costs of the service.

Through our company-wide BluePlanet program, we are taking steps to educate our employees about environmental matters and to
encourage them to act in an environmentally responsible manner. We are engaged in projects to conserve energy and water and to reduce our waste to landfills in our principal corporate offices. To date, our compliance with federal, state, local, and
foreign laws enacted for the protection of the environment has not materially affected our capital expenditures, earnings or competitive position. We continue to actively monitor developments of new and changing environmental regulations around the
globe.

Intellectual Property and Other Proprietary Rights

Our success is heavily dependent on our ability to create proprietary technology and to protect and enforce our intellectual property
rights in that technology, as well as our ability to defend against adverse claims of third



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parties with respect to our technology and intellectual property. To protect our proprietary technology, we rely primarily on a combination of contractual provisions and confidentiality
procedures to protect trade secrets, copyright and trademark laws, and patents. Despite our efforts to protect our proprietary rights, unauthorized parties may attempt to copy aspects of our products or obtain and use information that we regard as
proprietary. Policing unauthorized use of our products is difficult. In addition, the laws of some foreign countries do not protect our proprietary rights to as great an extent as do the laws of the United States. Our means of protecting our
proprietary rights may not be adequate and unauthorized third parties, including our competitors, may independently develop similar or superior technology, duplicate or reverse-engineer aspects of our products, or design around our patented
technology or other intellectual property.

As of April 30, 2010, we had 105 issued U.S. patents, 73 pending U.S. patent
applications (provisional and non-provisional), 3 foreign issued patents and 4 pending foreign patent applications. There can be no assurance that any of our pending patent applications will issue or that the patent examination process will not
result in our narrowing the claims applied for. Furthermore, there can be no assurance that we will be able to detect any infringement of patents or, if infringement is detected, that our patents will be enforceable or that any damages awarded to us
will be sufficient to adequately compensate us.

There can be no assurance or guarantee that any products, services or
technologies that we are presently developing, or will develop in the future, will result in intellectual property that is protectable under law, whether in the United States or a foreign jurisdiction, that such intellectual property will produce
competitive advantage for us, or that the intellectual property of competitors will not restrict our freedom to operate or put us at a competitive disadvantage. From time to time we may and do receive notices from third parties alleging infringement
of patents or other intellectual property rights or offering licenses under such intellectual property rights. While it is our policy to respect the legitimate intellectual property rights of others, we may defend against such claims or seek to
negotiate licenses on commercially reasonable terms or otherwise settle such claims, where appropriate. There has been a substantial amount of litigation over intellectual property rights in our industry, including from third parties that are not
competitors, and we expect this to continue. Hence, third parties may claim that we, or our customers (including end users) or our current or future products, infringe their intellectual property rights, and any such claims, whether with or without
merit, could be time-consuming, result in costly litigation, result in the assessment of damages, result in management distraction, cause product shipment delays or require us to enter into royalty or licensing agreements. Royalty or licensing
agreements, if required, may not be available on terms acceptable to us or at all, which could seriously harm our business.

Employees

As of April 30, 2010, we had a total of 1,261full-time equivalent employees, comprised of 501 in sales and marketing, 334
in research and development, 206 in customer support, 176 in general and administrative and 44 in manufacturing. Of these employees, 820 were located in North America and 441 were located in various other international locations. None of our
employees are represented by collective bargaining agreements; with the exception of one international employee, who is represented by a works council. We have not experienced any work stoppages and consider our relations with our employees to be
good.

Seasonality

We experience some seasonal trends in the sale of our products and services. Product revenues in our third and fourth fiscal quarters are
typically stronger due to the calendar year-end and subsequent start to the budget cycle for most of our customers. Our fourth fiscal quarter also tends to experience higher product revenues due to our annual compensation plans, which incentivize
sales activity during the fourth quarter as a result of compensation accelerators. In addition, sales to U.S. Federal government agencies tend to be higher during our second fiscal quarter than other quarters. General economic conditions also have
an impact on our business and financial results. The markets in which we sell our products and services have, in the past, experienced weak economic conditions from time to time that have negatively affected our revenues.



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Corporate Background

On August 16, 2007, our Board of Directors approved a two-for-one forward stock split of our common stock. The stock split was
effected by the issuance of a stock dividend of one share of our common stock for each share of our common stock issued and outstanding as of the record date of September 13, 2007. Our common stock began trading under that split adjustment at
the opening of the NASDAQ Global Market on October 4, 2007. In January 2008, we commenced trading on the NASDAQ Global Select Market. Our number of authorized shares of common stock and preferred stock has remained at 200 million and
10 million, respectively, since our incorporation. All share and per share amounts in this Annual Report on Form 10-K, and in the accompanying consolidated financial statements and notes thereto, reflect the forward split for all periods
presented.

On June 6, 2008, we acquired Packeteer Inc. (Packeteer), a pioneer in
delivering sophisticated WAN traffic prioritization through the development and sale of application classification and performance management technologies and products. As a consequence of that acquisition, we added the
PacketShaper®, Policy Center and
IntelligenceCenter® products formerly sold by Packeteer to our product line.

During the third quarter of fiscal 2010, we opened a new research and development facility in Bangalore, India. This facility was
acquired in connection with our purchase of 84.5% of the outstanding shares of S7 Software Solutions Pvt. Ltd. (S7) on January 25, 2010, and is currently staffed by S7 employees and certain of our employees who have relocated.

Available Information

Our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and amendments to reports filed pursuant to
Sections 13(a) and 15(d) of the Securities Exchange Act of 1934, as amended, are available free of charge on our Investor Relations Web site at www.bluecoat.com as soon as reasonably practicable after we file such material with the SEC. The other
information posted on our Web site is not incorporated into this Annual Report.



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Item 1A. Risk Factors

In addition to the other information contained in this Annual Report on Form 10-K, the following risk factors should be carefully
considered by investors before making an investment decision. Our business, financial condition and results of operations could be seriously harmed as a consequence of any of the following risks and uncertainties. The trading price of our common
stock could decline due to any of these risks, and investors may lose all or part of their investment. These risks and uncertainties are not the only ones we face. Additional risks and uncertainties not presently known to us or that we currently
deem less significant also may impair our business, financial condition and results of operations, or result in a decline in the trading price of our common stock.

Our quarterly operating results fluctuate significantly, are difficult to predict and may not meet our guidance or third party expectations.

Our net revenue and operating results have in the past, and may in the future, vary significantly from quarter to
quarter and year over year due to a number of factors, many of which are outside of our control, including the macroeconomic environment. These factors limit our ability to accurately predict our operating results on a quarterly basis and include
factors discussed throughout this Risk Factors section, including the following:



| |  |  | Macroeconomic conditions in our market, both domestic and international, as well as the level of discretionary IT spending;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------



| |  |  | The timing, size and mix of orders from customers, including the timing of large orders, and nonlinear sales and shipping patterns;
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------



| |  |  | Fluctuations in demand for our products and services;
| | - |  | -----------------------------------------------------



| |  |  | Evolving condition in the markets in which we compete;
| | - |  | ------------------------------------------------------



| |  |  | Variability and unpredictability in the rate of growth in the markets in which we compete;
| | - |  | ------------------------------------------------------------------------------------------



| |  |  | Our ability to continue to increase our market share consistent with past rates of increase;
| | - |  | --------------------------------------------------------------------------------------------



| |  |  | Our variable sales cycles, which may lengthen as the complexity of products and competition in our market increases and in response to macroeconomic
conditions;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | The level of competition in our markets, including the effect of new entrants, consolidation, technological innovation and substantial price
discounting;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Market acceptance of our new products and product enhancements and our services;
| | - |  | --------------------------------------------------------------------------------



| |  |  | Product announcements, introductions, transitions and enhancements by us or our competitors, which could result in deferrals of customer orders;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Technological changes in our markets;
| | - |  | -------------------------------------



| |  |  | The quality and level of our execution of our business strategy and operating plan;
| | - |  | -----------------------------------------------------------------------------------



| |  |  | The level of industry consolidation among our competitors and customers;
| | - |  | ------------------------------------------------------------------------



| |  |  | The impact of future acquisitions or divestitures;
| | - |  | --------------------------------------------------



| |  |  | Changes in accounting rules and policies; and
| | - |  | ---------------------------------------------



| |  |  | The need to recognize certain revenue ratably over a defined period or to defer recognition of revenue to a later period.
| | - |  | -------------------------------------------------------------------------------------------------------------------------

A high percentage of our expenses, including those related to manufacturing overhead, service and support, research and development,
sales and marketing, and general and administrative functions are generally fixed in nature in the short term. As a result, if our net revenue is less than forecasted, such expenses cannot effectively be reduced to compensate for the revenue
shortfall and our quarterly operating results will be adversely affected.



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We believe that quarter-to-quarter comparisons of our operating results should not
necessarily be relied upon as indicators of our future performance. In the past our quarterly results have on occasion failed to meet our quarterly guidance and the expectations of public market analysts or investors, and it is likely that this will
occur in the future. If this occurs our stock price likely will decline, and may decline significantly. Such a decline may also occur even when we meet our published guidance, but our results or future guidance fail to meet third party expectations.

The market for our products and services is intensely competitive and certain of our competitors have greater resources and experience.

Our products and services currently focus on the markets for Secure Web Gateway and WAN Optimization products and
services, and we recently introduced a product directed to the telecommunications carrier infrastructure provider (Carrier Infrastructure) market. We also have announced our intention to deliver the functionality of our Secure Web
Gateway products and services on a subscription basis over the Internet, a model frequently referred to as cloud computing and typically directed at the enterprises smaller than those that we typically sell to.

Each of these markets is intensely competitive, and the intensity of this competition is expected to increase, particularly given current
economic pressures and industry consolidation. As well, the market for cloud computing services is one characterized by extreme competition and one that we have not traditionally sold into. Sales to the service provider markets are especially
volatile and typically have longer sales cycles. Competition in these markets may result in price reductions, reduced margins, loss of market share and inability to gain market share, any one of which could seriously impact our business, financial
condition and results of operations. We may not be able to compete successfully against current or future competitors, including those resulting from consolidation in our historical and new markets and we cannot be certain that the competitive
pressures we face will not seriously impact our business.

Some of our current and potential competitors have longer operating
histories; significantly greater financial, technical, sales and marketing resources; significantly greater name recognition; and a larger installed base of customers than we do. Such competitors also may have well-established relationships with our
current and potential customers and extensive knowledge of our industry and the markets in which we compete and intend to compete. As a result, those competitors may be able to respond more quickly to new or emerging technologies and changes in
customer requirements, or to devote greater resources to the development, marketing, promotion and sale of their products than we can. They also may make strategic acquisitions or establish cooperative relationships among themselves or with other
providers, thereby increasing their ability to provide a broader suite of products, and potentially causing customers to defer purchasing decisions. Finally, they may engage in aggressive pricing strategies or discounting. Any of the foregoing may
limit our ability to compete effectively in the market and adversely affect our business, financial condition and results of operations.

Economic uncertainty and adverse macroeconomic conditions may harm our business.

Our revenues and margins are dependent on various economic factors, including rates of inflation, currency fluctuations, energy costs,
levels of consumer sentiment and other macroeconomic factors, which may impact levels of business spending. These conditions may adversely affect corporate spending for IT products and services in specific geographies or more broadly, and could
result in:



| |  |  | a significant reduction in our net revenue, gross margin and operating margin;
| | - |  | ------------------------------------------------------------------------------



| |  |  | increased price competition for our products and services;
| | - |  | ----------------------------------------------------------



| |  |  | risk of excess and obsolete inventory;
| | - |  | --------------------------------------



| |  |  | higher overhead costs as a percentage of net revenue;
| | - |  | -----------------------------------------------------



| |  |  | difficulty in accurately forecasting demand for our products and services;
| | - |  | --------------------------------------------------------------------------



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| |  |  | insolvency or credit difficulties confronting our customers and channel partners, affecting their ability to purchase or pay for our products and
services; and
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | insolvency or credit difficulties confronting our key suppliers, which could disrupt our supply chain.
| | - |  | ------------------------------------------------------------------------------------------------------

In addition, a significant percentage of our operating expenses are generally fixed in nature, particularly in the short term, which
could limit our ability to mitigate any negative impact on our profit margins.

We rely significantly on third party sales channel
partners to sell our products.

Substantially all of our revenue is generated through sales by our channel partners,
which include distributors and value-added resellers. During fiscal 2010, approximately 98% of our revenue was generated through our channel partners, and 54% of our revenue was generated through 3 channel partners. We depend upon these partners to
generate sales opportunities and to independently manage the sales process for opportunities with which they are involved. In order to increase our net revenue, we will need to maintain our existing sales channel partners and to add new sales
channel partners and effectively train and integrate them with our sales process. As well, our planned entry into new markets, such as cloud computing, potentially will require that we add new channel partners and educate and transition existing
channel partners to effectively address these markets. If we are unsuccessful in those efforts, this will limit our ability to grow our business and our business, financial condition and results of operations will be adversely affected.

Our products are complex, and there can be no assurance that the sales training programs that are offered to our sales channel partners
will always be effective. In addition, our sales channel partners may be unsuccessful in marketing, selling and supporting our products and services for reasons unrelated to training. Most of our sales channel partners do not have minimum purchase
or resale requirements, and may cease selling our products at any time. They may also market, sell and support products and services that are competitive with ours, and may devote more resources to the marketing, sales and support of products
competitive to ours. There is no assurance that we will retain these sales channel partners or that we will be able to secure additional or replacement sales channel partners in the future. The loss of one or more of our key sales channel partners
in a given geographic area could harm our operating results within that area, as new sales channel partners typically require extensive training and take several months to achieve acceptable productivity.

We also depend on some of our sales channel partners to deliver first line service and support for our products. Any significant failure
on their part to provide such service and support could impact customer satisfaction and future sales of our products.

While
we require that our third party sales channel partners comply with applicable regulatory requirements, they could engage in behavior or practices that expose us to legal or reputational risk.

Our gross margin is affected by a number of factors, and we may not be able to sustain it at present levels.

Our gross margin percentage has been and will continue to be affected by a variety of factors, including:



| |  |  | market acceptance of our products and fluctuations in demand;
| | - |  | -------------------------------------------------------------



| |  |  | the timing, size and mix of customer orders and product implementations;
| | - |  | ------------------------------------------------------------------------



| |  |  | increased price competition and changes in product pricing;
| | - |  | -----------------------------------------------------------



| |  |  | actions taken by our competitors;
| | - |  | ---------------------------------



| |  |  | new product introductions and enhancements;
| | - |  | -------------------------------------------



| |  |  | manufacturing and component costs;
| | - |  | ----------------------------------



| |  |  | availability of sufficient inventory to meet demand;
| | - |  | ----------------------------------------------------



| |  |  | purchase of inventory in excess of demand;
| | - |  | ------------------------------------------



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| |  |  | our execution of our strategy and operating plans;
| | - |  | --------------------------------------------------



| |  |  | changes in our sales model;
| | - |  | ---------------------------



| |  |  | geographies in which sales are made; and
| | - |  | ----------------------------------------



| |  |  | revenue recognition rules.
| | - |  | --------------------------

For example, we have in the past entered into large revenue transactions with certain customers that, because of the product mix and
discounting, have decreased our gross margin percentage. We may, in the future, enter into similar transactions. As well, our lower end appliances typically have lower margins than our higher end appliances, and therefore large orders for our lower
end appliances could negatively impact our overall gross margin percentage. Macroeconomic and competitive developments could put further pressure on our gross margin.

We expect that our entry into the cloud computing business will put negative pressure on our gross margins, both as a consequence of our
need to invest in infrastructure and the ratable recognition of subscription revenue for such services when received.

Even if
we achieve our net revenue and operating expense objectives, our net income and operating results may be below our expectations and the expectations of investors and analysts if our gross margins are below expectations.

We must continue to develop market awareness of our company and our products and services.

We have focused our business strategy and investments on the markets for Secure Web Gateway and WAN optimization products and services
during the past fiscal year. We are now moving into new markets, including the Carrier Infrastructure market and the market for the delivery of Secure Web Gateway functionality as a service, with our planned cloud computing service.

Market awareness is essential to our continued growth and our success in the markets in which we compete and intend to compete. If our
advertising and marketing programs are not successful in creating market awareness of our participation in these markets, the need for our products and services, and the value and capabilities of our specific products and services, we may not be
able to achieve sustained growth. Moreover, if the markets for our products and services fail to grow as we anticipate, we may not be able to sell as many of our products and services as we currently project, which would reduce our anticipated net
revenue and could result in a decline in our stock price.

We must anticipate market needs, and develop and introduce new products and
enhancements to rapidly meet those needs.

To maintain our competitive position in markets characterized by rapid rates
of technological advancement, we must correctly anticipate market requirements and invest our research and development resources to meet those requirements. We have recently restructured our product operations into product groups or business
units and the organic growth of our business is dependent on the success of this new operating model. As well, the introduction of new products by others, market acceptance of products based on new or alternative technologies, or the emergence
of new industry standards, could render our existing products obsolete or make it easier for other products to compete with our products. Our future success will depend in part upon our ability to:



| |  |  | develop and maintain competitive products;
| | - |  | ------------------------------------------



| |  |  | enhance our products by adding innovative features that differentiate our products from those of our competitors;
| | - |  | -----------------------------------------------------------------------------------------------------------------



| |  |  | bring products to market on a timely basis at competitive prices;
| | - |  | -----------------------------------------------------------------



| |  |  | identify and respond to emerging technological trends in the market; and
| | - |  | ------------------------------------------------------------------------



| |  |  | respond effectively to new technological changes or new product announcements by others.
| | - |  | ----------------------------------------------------------------------------------------



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There is no guarantee that we will accurately predict the direction in which the markets in
which we compete or intend to compete will evolve. Failure on our part to anticipate the direction of our markets and to develop products, enhancements and service offerings that meet the needs of those markets will significantly impair our
business, financial condition and results of operations.

Our internal investments in research and development may not yield the
benefits we anticipate.

The success of our business is predicated on our ability to create new products and
technologies and to anticipate future market requirements and applicable industry standards. We presently are investing in two new product groups, one targeted at carrier infrastructure products and the other directed at providing our Secure Web
Gateway functionality as a cloud computing service. To accomplish these investments, we intend to continue to add personnel and other resources to our research and development function. We will likely recognize costs associated with these
investments earlier than the anticipated benefits. If we do not achieve the anticipated benefits from these investments, or if the achievement of these benefits is delayed, our business, financial condition and results of operations may be adversely
affected.

The process of developing new technologies is time consuming, complex and uncertain, and requires commitment of
significant resources well in advance of being able to fully determine market requirements and industry standards. Furthermore, we may not be able to timely execute new product or technical initiatives because of errors in product planning or
timing, technical difficulties that we cannot timely resolve, or a lack of appropriate resources. This could result in competitors bringing products to market before we do and a consequent decrease in our market share and net revenue. Our inability
to timely and cost-effectively introduce new products and product enhancements, or the failure of these new products or enhancements to achieve market acceptance and comply with industry standards, could seriously harm our business, financial
condition and results of operations. Additionally, our introduction of new products and product enhancements could result in the obsolescence of previously purchased or committed inventory, which would reduce our net income.

Our acquisitions may not provide the benefits we anticipate and may disrupt our existing business.

In the past, we have acquired other businesses, including our acquisitions of Packeteer, Inc., and Permeo Technologies, Inc., our
acquisition of certain assets of the NetCache business from Network Appliance, Inc., and in fiscal 2010, our acquisition of a majority interest in S7, an IT research and development outsourcing firm located in Bangalore, India. It is likely we will
acquire additional businesses or assets in the future. There is no guaranty that such acquisitions will yield the benefits we anticipate. The success of any acquisition is impacted by a number of factors, and may be subject to the following risks:



| |  |  | inability to successfully integrate the operations, technologies, products and personnel of the acquired companies;
| | - |  | -------------------------------------------------------------------------------------------------------------------



| |  |  | diversion of managements attention from normal daily operations of the business;
| | - |  | ---------------------------------------------------------------------------------



| |  |  | loss of key employees; and
| | - |  | --------------------------



| |  |  | substantial transaction costs.
| | - |  | ------------------------------

Acquisitions may also result in risks to our existing business, including:



| |  |  | dilution of our current stockholders percentage ownership to the extent we issue new equity;
| | - |  | ---------------------------------------------------------------------------------------------



| |  |  | assumption of additional liabilities;
| | - |  | -------------------------------------



| |  |  | incurrence of additional debt or a decline in available cash;
| | - |  | -------------------------------------------------------------



| |  |  | adverse effects to our financial statements, such as the need to make large and immediate write-offs or the incurrence of restructuring and other
related expenses;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | liability for intellectual property infringement and other litigation claims, which we may or may not be aware of at the time of acquisition;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------



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| |  |  | creation of goodwill or other intangible assets that could result in significant amortization expense or impairment charges; and
| | - |  | --------------------------------------------------------------------------------------------------------------------------------



| |  |  | incurrence of tax expense related to the effect of acquisitions on our intercompany research and development cost sharing arrangements and legal
structure.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------

The occurrence of any of the above risks could seriously impact our business, financial
condition and results of operations.

Third parties may assert that our products or services infringe their intellectual property
rights.

Third parties have in the past and may in the future claim that our current or future products or services
infringe their intellectual property rights, and these claims, even if without merit, could harm our business by increasing our costs, reducing our net revenue or by creating customer concerns that result in delayed or reduced sales. This is
particularly true in the patent area, as an increasing number of U.S. patents covering computer networking and Internet technology have been issued in recent years. Patent owners, including those that do not commercially manufacture or sell
products, may claim that one or more of our products infringes a patent they own.

We expect that companies in the Internet
and networking industries will increasingly be subject to infringement claims as the number of products and competitors in our industry segment grows and the functionality of products in different industry segments overlaps. The defense or
settlement of any such claims, even if unmeritorious, could be time-consuming and costly. As well, such claims may require us to enter into royalty or licensing agreements, or to develop non-infringing technology. As well, injunctive relief could be
entered against us or trade restrictions could be imposed. Any of the foregoing could seriously harm our business, financial condition and results of operations.

Our international operations expose us to risks.

We currently have operations in a number of foreign countries. In fiscal 2010, 55.5% of our total net revenue was derived from customers
outside of the Americas; thus, our business is substantially dependent on economic conditions and IT spending in markets outside the Americas. As well, in fiscal 2010, we commenced moving certain of our research and development and other operations
offshore to lower cost geographies. The expansion of our international operations and entry into additional international markets requires significant management attention and financial resources, and subjects us to certain inherent risks including:



| |  |  | technical difficulties and costs associated with product localization;
| | - |  | ----------------------------------------------------------------------



| |  |  | challenges associated with coordinating product development efforts among geographically dispersed areas;
| | - |  | ---------------------------------------------------------------------------------------------------------



| |  |  | potential loss of proprietary information due to piracy, misappropriation or laws that may inadequately protect our intellectual property rights;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | our limited experience in establishing a sales and marketing presence, and research and development operations, together with the appropriate internal
systems, processes and controls, in certain geographic markets;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | longer payment cycles for sales in certain foreign countries;
| | - |  | -------------------------------------------------------------



| |  |  | seasonal reductions in business activity in the summer months in Europe and at other times in various countries;
| | - |  | ----------------------------------------------------------------------------------------------------------------



| |  |  | the significant presence of some of our competitors in some international markets;
| | - |  | ----------------------------------------------------------------------------------



| |  |  | potentially adverse tax consequences or changes in applicable tax laws;
| | - |  | -----------------------------------------------------------------------



| |  |  | import and export restrictions and tariffs and other trade protection initiatives;
| | - |  | ----------------------------------------------------------------------------------



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| |  |  | potential failures of our foreign employees to comply with both U.S. and foreign laws, including antitrust laws, trade regulations and the Foreign
Corrupt Practices Act;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | compliance with foreign laws and other government controls, such as those affecting trade, privacy, the environment and employment;
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------



| |  |  | management, staffing, legal and other costs of operating an enterprise spread over various countries;
| | - |  | -----------------------------------------------------------------------------------------------------



| |  |  | fluctuations in foreign exchange rates, which we currently do not hedge against;
| | - |  | --------------------------------------------------------------------------------



| |  |  | political or economic instability, regulatory changes, and war or terrorism in the countries where we are doing business; and
| | - |  | -----------------------------------------------------------------------------------------------------------------------------



| |  |  | fears concerning travel or health risks that may adversely affect our ability to sell our products and services in any country in which the business
sales culture encourages face-to-face interactions.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

To the extent we are unable to effectively manage our
international operations and these risks, our international sales may be adversely affected, we may incur additional and unanticipated costs, and we may be subject to litigation or regulatory action. As a consequence, our business, financial
condition and results of operations could be seriously harmed.

If we fail to accurately predict our manufacturing requirements and
manage our supply chain we could incur additional costs or experience manufacturing delays that could harm our business.

We provide forecasts of our requirements to our supply chain partners on a rolling 12-month basis. If our forecast exceeds our actual
requirements, a supply chain partner may assess additional charges or we may have liability for excess inventory, each of which could negatively affect our gross margin. If our forecast is less than our actual requirements, the applicable supply
chain partner may have insufficient time or components to produce or fulfill our product requirements, which could delay or interrupt manufacturing of our products or fulfillment of orders for our products, and result in delays in shipments,
customer dissatisfaction, and deferral or loss of revenue. As well, we may be required to purchase sufficient inventory to satisfy our future needs in situations where a component or product is being discontinued. In fiscal 2010, we eliminated the
stocking rights of distributors, so we now must rely on our own inventory of products to satisfy customer orders. If we fail to accurately predict our requirements, we may be unable to fulfill those orders or we may be required to record charges for
excess inventory. Any of the foregoing could adversely affect our business, financial condition and results of operations.

We depend on
single and, in some cases, limited source suppliers for several key products and components of products.

We have
limited sources of supply for certain key components of our products, which exposes us to the risk of component shortages or unavailability. In addition, we are unable to rapidly change quantities and delivery schedules because the procurement of
certain components is subject to lengthy lead times and the qualification of additional or alternate sources is time consuming, costly and difficult. In the event our business growth exceeds our projections, or required components are otherwise in
scarce supply, we may be subject to shortages, delays or unavailability of such components, or potential price increases, which may be substantial. If we are unable to secure sufficient components at reasonable prices in order to timely build our
products, customer shipments may be delayed. This would adversely affect both our relationships with those customers and our net revenue. Alternatively, we may pay increased prices, which would impact our gross margin. Any of the foregoing could
adversely affect our business, financial condition and results of operations.

We are dependent on original design manufacturers,
contract manufacturers and third party logistics providers to design and manufacture our products and to fulfill orders for our products.

We depend primarily on original design manufacturers (each of which is a third party original design manufacturer for numerous companies)
to co-design and co-develop the hardware platform for our products. We



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also depend on independent contract manufacturers (each of which is a third party manufacturer for numerous companies) to manufacture and fulfill our products. These supply chain partners are not
committed to design or manufacture our products, or to fulfill orders for our products, on a long-term basis in any specific quantity or at any specific price. Also, from time to time, we may be required to add new supply chain partner relationships
or new manufacturing or fulfillment sites to accommodate growth in orders or the addition of new products. It is time consuming and costly to qualify and implement new supply chain partner relationships and new manufacturing or fulfillment sites,
and such additions increase the complexity of our supply chain management. Our ability to ship products to our customers could be delayed if we fail to effectively manage our supply chain partner relationships; if one or more of our design
manufacturers does not meet our development schedules; if one or more of our contract manufacturers experiences delays, disruptions or quality control problems in manufacturing our products; or if one or more of our third party logistics providers
experiences delays or disruptions or otherwise fails to meet our fulfillment schedules; or if we are required to add or replace design manufacturers, contract manufacturers, third party logistics providers or fulfillment sites. In addition, these
supply chain partners have access to certain of our critical confidential information and could wrongly disclose such information. Moreover, an increasing portion of our manufacturing is performed outside the United States, primarily in China, and
is, therefore, subject to risks associated with doing business in foreign countries. If manufacturing or logistics in these foreign countries is disrupted for any reason, including natural disasters, information technology system failures, military
or government actions or economic, business, labor, environmental, public health, or political issues, our business, financial condition and results of operations could be adversely affected.

If the protection of our proprietary technology is inadequate, our competitors may gain access to our technology.

Our success is heavily dependent on our ability to create proprietary technology and to protect and enforce our intellectual property
rights in that technology, as well as our ability to defend against adverse claims of third parties with respect to our technology and intellectual property. To protect our proprietary technology, we rely primarily on a combination of contractual
provisions, confidentiality procedures, trade secrets, copyright and trademark laws, and patents. Despite our efforts to protect our proprietary rights, unauthorized parties may attempt to copy aspects of our products or obtain and use information
that we regard as proprietary. Policing unauthorized use of our products is difficult. In addition, the laws of some foreign countries, including countries where we sell products and have operations, do not protect our proprietary rights to as great
an extent as do the laws of the United States. Our means of protecting our proprietary rights may not be adequate and unauthorized third parties, including current and future competitors, may independently develop similar or superior technology,
duplicate or reverse engineer aspects of our products, or design around our patented technology or other intellectual property.

As of April 30, 2010, we had 105 issued U.S. patents, 73 pending U.S. patent applications (provisional and non-provisional), 3
foreign issued patents and 4 pending foreign patent applications. There can be no assurance that any of our pending patent applications will issue or that the patent examination process will not result in our narrowing the claims applied for.
Furthermore, there can be no assurance that we will be able to detect any infringement of our existing or future patents (if any) or, if infringement is detected, that our patents will be enforceable or that any damages awarded to us will be
sufficient to adequately compensate us for the infringement.

There can be no assurance or guarantee that any products,
services or technologies that we are presently developing, or will develop in the future, will result in intellectual property that is subject to legal protection under the laws of the United States or a foreign jurisdiction and that produces a
competitive advantage for us.

We must attract, assimilate and retain key personnel on a cost-effective basis.

We depend on our ability to attract and retain highly qualified and skilled personnel on an ongoing basis. Our success will depend in part
on our ability to recruit and retain key personnel. We presently compensate our



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key and high performing employees in part through awards of equity in the company, including stock options and restricted stock units. Increases in shares available for issuance under our 2007
stock incentive plan require stockholder approval. As occurred in October 2009, we may not obtain the necessary stockholder approval, which could limit our future ability to grant equity awards to employees for the purposes of retention of those
employees.

The majority of our U.S.-based employees, including our senior management personnel, are employed on an
at-will basis, which may make it easier for key employees to move to new employment. Our inability to timely hire replacement or additional employees may impact our operations, since new hires, particularly sales personnel, frequently
require extensive training before they achieve desired levels of productivity. This may affect our ability to grow our net revenue. In addition, we may increase our hiring in locations outside of the U.S., such as in connection with our research and
development facility in India, which could subject us to additional geopolitical and exchange rate risks.

Our ability to sell our
products depends on the quality of our support and services offerings.

Our end user customers look to us and, as
applicable, to our channel partners to ensure that our products are properly configured and installed, and efficiently and effectively operate within their networks. To the extent we or our channel partners fail to effectively assist our end user
customers in their efforts to deploy and operate our products, or fail to timely and adequately address product problems, it may adversely affect our ability to sell our products to those customers in the future and could harm our business and
product reputation and impact other sales. Failure to maintain high quality support and services may harm our business, financial condition and results of operations.

Product quality problems may result in delayed market acceptance, additional costs, reduced sales or litigation.

Our products are highly complex and may contain undetected operating errors or quality problems, particularly when first introduced or as
new versions or upgrades are released. Despite testing by us and by current and potential customers, errors or quality problems may not be found in new products or new versions until after commencement of commercial shipments, resulting in customer
dissatisfaction and loss of or delay in market acceptance and sales opportunities. This could materially adversely affect our operating results. These errors and quality problems could also cause us to incur significant repair or replacement costs,
divert the attention of our engineering personnel from our product development efforts and cause significant customer relations problems. We may also incur significant costs in connection with a product recall and any related indemnification
obligations, which could materially adversely affect our operating results. In addition, many of our products operate on our internally developed operating system, and any error in the operating system may affect those products. We have experienced
errors or quality problems in the past in connection with new products and enhancements to existing products. We expect that errors or quality problems will be found from time to time in new or enhanced products after commencement of commercial
shipments, which could seriously harm our business.

Since our end user customers install our appliances directly into their
network infrastructures, any errors, defects or other problems with our products could negatively impact their networks or other Internet users, resulting in financial or other losses. While we typically seek by contract to limit our exposure to
damages, it is possible that such limitations might not exist or might not be enforced in the event of a product liability claim. Moreover, a product liability claim brought against us, even if not successful, would likely be time-consuming and
costly to defend or settle, and could seriously harm the reputation of our business and products.

We may not be able to successfully
manage the growth of our business and may suffer other losses if we are unable to improve our systems and processes.

Our growth, including growth through the acquisition of Packeteer, together with evolving regulatory requirements and changes in financial
accounting and reporting standards, has placed increased demands on our



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management and our business infrastructure. We need to continue to improve our systems and processes to effectively manage our operations and growth, including our growth into new geographies. We
may not be able to successfully implement improvements to these systems and processes in a timely or efficient manner. As well, our systems and processes may not prevent or detect all errors, omissions or fraud. Our failure to improve our systems
and processes, or their failure to operate in the intended manner, may result in our inability to manage the growth of our business and to accurately forecast our revenue, expenses and earnings, or to prevent certain losses. This could adversely
affect our business, financial condition and results of operations.

Third parties may bring legal actions against us.

In the past third parties have brought legal actions against us and other parties to whom we provided indemnification.
We incurred substantial costs to defend those lawsuits and related legal proceedings. It is likely that in the future other parties may bring legal actions against us. Such actions, even if without merit, could harm our business. Any material
litigation or arbitration inevitably results in the diversion of the attention of our management and other relevant personnel. To the extent uninsured, such claims further require the expenditure of our resources for defense costs for us and for
parties to whom we may have indemnification obligations. We also may be required to pay material amounts in settlement costs or damages. As well, if the matter relates to intellectual property infringement, we may be required to enter into royalty
or licensing agreements or to develop non-infringing technology, and injunctive relief could be entered against us. Customer concerns with respect to material litigation can result in delayed or lost sales. Any of the foregoing could seriously harm
our business and have a material adverse effect on our business, financial condition and results of operations.

Forecasting our
estimated annual effective tax rate is complex and subject to uncertainty, and there may be material differences between our forecasted and actual tax rates.

Forecasts of our income tax position and effective tax rate are complex and subject to uncertainty because our income tax position for
each year combines the effects of a mix of profits and losses earned by us and our subsidiaries in various tax jurisdictions with a broad range of income tax rates, as well as changes in the valuation of deferred tax assets and liabilities, the
impact of various accounting rules and changes to these rules and tax laws, the results of examinations by various tax authorities, and the impact of any acquisition, business combination or other reorganization or financing transaction. To forecast
our global tax rate, we estimate our pre-tax profits and losses by jurisdiction and forecast our tax expense by jurisdiction. If the mix of profits and losses, our ability to use tax credits, or effective tax rates by jurisdiction is different than
those estimated, our actual tax rate could be materially different than forecasted, which could have a material impact on our financial condition and results of operations.

As a multinational corporation, we conduct our business in many countries and are subject to taxation in many jurisdictions. The taxation
of our business is subject to the application of multiple and conflicting tax laws and regulations as well as multinational tax conventions. Our effective tax rate is highly dependent upon the geographic distribution of our worldwide earnings or
losses, the tax regulations and tax holidays in each geographic region, the availability of tax credits and carryforwards, and the effectiveness of our tax planning strategies. The application of tax laws and regulations is subject to legal and
factual interpretation, judgment and uncertainty. Tax laws themselves are subject to change as a result of changes in fiscal policy, changes in legislation, and the evolution of regulations and court rulings. Consequently, taxing authorities may
impose tax assessments or judgments against us that could materially impact our tax liability and/or our effective income tax rate.

In addition, we may be subject to examination of our income tax returns by the Internal Revenue Service and other tax authorities. If tax
authorities challenge the relative mix of U.S. and international income, our future effective income tax rates could be adversely affected. While we regularly assess the likelihood of adverse outcomes from such examinations and the adequacy of our
provision for income taxes, there can be no assurance that such provision is sufficient and that a determination by a tax authority will not have an adverse effect on our business, financial condition and results of operations.



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We rely on technology that we license from third parties, including software that is integrated with
internally developed software and used with our products.

We rely on technology that we license from third parties,
including third party commercial software and open source software that is used with certain of our products. If we are unable to continue to license any of this software on commercially reasonable terms, we will face delays in releases of our
software or we will be required to delete this functionality from our software until equivalent technology can be licensed or developed and integrated into our current product. In addition, the inability to obtain certain licenses or other rights
might require us to engage in litigation regarding these matters, which could have a material adverse effect on our business, financial condition and results of operations.

We are subject to various governmental regulations that could subject us to liability or impair our ability to compete in international markets.

Our products are subject to various governmental regulations, including U.S. and foreign import and export control
laws and various environmental regulations, including the Waste Electrical and Electronic Equipment (WEEE) and Restriction of the Use of Certain Hazardous Substances in Electrical and Electric Equipment (RoHS) regulations adopted by the European
Union. In addition, our products contain encryption technology and various countries regulate the import of certain encryption technology and have enacted laws that could limit our ability to distribute our products or could limit our
customers ability to implement our products in those countries. Changes in our products or changes in applicable regulations or enforcement may create delays in the introduction of our products in international markets, prevent our customers
with international operations from deploying our products globally or, in some cases, prevent the export or import of our products to certain countries altogether. Any decreased use of our products or limitation on our ability to export or sell our
products would likely adversely affect our business, financial condition and results of operations.

We issued convertible notes to fund
our acquisition of Packeteer, which could impact our liquidity.

We issued zero coupon convertible senior notes in an
aggregate principal amount of $80 million that mature in 2013, in order to acquire Packeteer. If these notes are not converted prior to maturity we will be required to repay the principal amount, which could impact our liquidity. As well, the notes
contain certain conditions of default and, should a default occur, the holders of the notes may be able to require early payment of the notes.

We may be unable to raise additional capital.

We believe that our available cash, cash equivalents and short term investments will enable us to meet our liquidity and capital
requirements for at least the next 12 months. However, if cash is required for unanticipated needs, including payment of our zero coupon convertible senior notes in the event of default or in connection with a proposed acquisition of a company or
technology, we may need additional capital during that period. The development and marketing of new products and our investment in sales and marketing efforts require a significant commitment of resources. If the market for our products develops at
a slower pace than anticipated, we could be required to raise additional capital. We cannot guarantee that, should it be required, sufficient debt or equity capital will be available to us under acceptable terms, if at all. If we were unable to
raise additional capital when required, our business, financial condition and results of operations could be seriously harmed.

Our
operations could be significantly hindered by the occurrence of a natural disaster, terrorist attack or other catastrophic event.

Our business operations are susceptible to outages due to fire, floods, power loss, telecommunications failures, terrorist attacks and
other events beyond our control. In addition, a substantial portion of our facilities, including our headquarters, are located in Northern California, an area susceptible to earthquakes. We do not carry earthquake insurance for earthquake-related
losses. Despite our implementation of network security



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measures, our servers are vulnerable to computer viruses, break-ins, and similar disruptions from unauthorized tampering with our computer systems. We may not carry sufficient business
interruption insurance to compensate us for losses that may occur as a result of any of these events. To the extent that such events disrupt our business or adversely impact our reputation, such events could adversely affect our business, financial
condition and results of operations.

The market price of our stock is volatile, and is likely to be volatile in the future.

The market price of our common stock has experienced significant fluctuations and may continue to fluctuate significantly.
Such volatility in the trading price of our stock can occur in response to general market conditions, changes in the IT or technology market generally or changes in the specific markets in which we operate, and cause an increase or decline in our
stock price without regard to our operating performance. The market price of our common stock could decline quickly and significantly if we fail to achieve our guidance or if our performance fails to meet the expectation of public market analysts or
investors.

The market price of our common stock may fluctuate significantly in response to the following factors, among
others:



| |  |  | variations in our quarterly operating results;
| | - |  | ----------------------------------------------



| |  |  | changes in financial estimates or investment recommendations by securities analysts;
| | - |  | ------------------------------------------------------------------------------------



| |  |  | changes in macroeconomic conditions;
| | - |  | ------------------------------------



| |  |  | the introduction of new products by our competitors;
| | - |  | ----------------------------------------------------



| |  |  | our ability to keep pace with changing technological requirements;
| | - |  | ------------------------------------------------------------------



| |  |  | changes in market valuations of information technology companies;
| | - |  | -----------------------------------------------------------------



| |  |  | announcements by us or our competitors of significant contracts, acquisitions, strategic partnerships, joint ventures or capital commitments, or other
significant transactions;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | loss of customers who represent a significant portion of our revenues;
| | - |  | ----------------------------------------------------------------------



| |  |  | additions or departures of key personnel;
| | - |  | -----------------------------------------



| |  |  | fluctuations in stock market volumes;
| | - |  | -------------------------------------



| |  |  | investor confidence in our stock, technology stocks and the stock market in general;
| | - |  | ------------------------------------------------------------------------------------



| |  |  | speculation in the press or investment community about our strategic position, financial condition, results of operations or business; and
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | regulatory or litigation matters.
| | - |  | ---------------------------------

It is not uncommon for securities class actions or other litigation to be brought against a company after periods of volatility in the
market price of a companys stock, and we have been subject to such litigation in the past. Such actions could result in management distraction and expense and could result in a decline in our stock price.

Item 1B. Unresolved Staff Comments

None.

Item 2. Properties

We are headquartered in Sunnyvale, California, where we lease two buildings consisting of an aggregate of approximately 234,000 square
feet of office space pursuant to leases effective through November 2015. We also



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lease space for research and development in Draper, Utah; Waterloo, Ontario in Canada; and Bangalore, India. In addition, we lease space for sales and support in several metropolitan areas in
North America and in several other countries outside the United States.

We believe that our existing facilities are adequate
to meet our current requirements, and that suitable additional or substitute space will be available, if necessary.

Item 3. Legal Proceedings

The information set forth under Note 13 of Notes to Consolidated Financial Statements, included in Part II, Item 8 of this
Report, is incorporated herein by reference. For an additional discussion of certain risks associated with legal proceedings, see the section entitled Risk Factors in Item 1A of this Report.



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PART II

Item 5. Market for Registrants Common Equity, Related Stockholder Matters and
Issuer Purchases of Equity Securities

Price Range of Common Stock

Our common stock is currently traded on the NASDAQ Global Select Market under the symbol BCSI and has been traded on NASDAQ
since November 19, 1999. The following table sets forth, for the periods indicated, the high and low closing prices of our common stock as reported on the NASDAQ Global Select Market.



|                                   |  |      |       |     |   |      
|---------------------------------- |  | ---- | ----- | --- | - | -----
|                                   |  | High |       | Low
|For the year ended April 30, 2010: |  |      |       |     |   |      
|First Quarter                      |  | $    | 20.75 |     | $ | 13.32
|Second Quarter                     |  | $    | 25.62 |     | $ | 17.26
|Third Quarter                      |  | $    | 30.65 |     | $ | 22.06
|Fourth Quarter                     |  | $    | 35.47 |     | $ | 24.53
|For the year ended April 30, 2009: |  |      |       |     |   |      
|First Quarter                      |  | $    | 25.37 |     | $ | 12.47
|Second Quarter                     |  | $    | 19.00 |     | $ | 9.89 
|Third Quarter                      |  | $    | 13.61 |     | $ | 7.26 
|Fourth Quarter                     |  | $    | 15.32 |     | $ | 9.01 

At April 30,
2010, there were 459 stockholders of record and the price of our common stock was $32.53. We believe that a significant number of beneficial owners of our common stock hold shares in street name.

Dividend Policy

Our
present policy is to retain earnings, if any, to finance future growth. We have never paid cash dividends and have no present intention to pay cash dividends.



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Stock Performance Graph

The following graph compares the cumulative five-year total return provided shareholders on our common stock relative to the cumulative
total returns of the NASDAQ Composite index and the NASDAQ Computer Manufacturers index. An investment of $100 (with reinvestment of all dividends) is assumed to have been made in our common stock and in each of the indexes on April 30, 2005
and its relative performance is tracked through April 30, 2010.

LOGO



|                              |  |      |        |      |   |        |  |      |        |      |   |        |  |   |        |  |   |       
|----------------------------- |  | ---- | ------ | ---- | - | ------ |  | ---- | ------ | ---- | - | ------ |  | - | ------ |  | - | ------
|                              |  | 4/05 |        | 4/06 |   | 4/07   |  | 4/08 |        | 4/09 |   | 4/10  
|Blue Coat Systems, Inc.       |  | $    | 100.00 |      | $ | 151.11 |  | $    | 243.47 |      | $ | 293.19 |  | $ | 184.17 |  | $ | 451.81
|NASDAQ Composite              |  |      | 100.00 |      |   | 121.25 |  |      | 134.58 |      |   | 127.40 |  |   | 89.92  |  |   | 129.99
|NASDAQ Computer Manufacturers |  |      | 100.00 |      |   | 117.37 |  |      | 138.37 |      |   | 150.52 |  |   | 108.84 |  |   | 185.06



The stock price performance included in this graph is not necessarily indicative of future stock price performance.

Purchases of Equity Securities by the Issuer and Affiliated Purchasers

None.



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##### Table of Contents

Item 6. Selected Financial Data

The following table sets forth selected financial data as of and for the last five fiscal years. This selected financial data should be
read in conjunction with our historical financial statements, including the notes thereto, and Managements Discussion and Analysis of Financial Condition and Results of Operations, included elsewhere in this report. The
consolidated financial statement data include the results of operations of acquired businesses commencing on their respective acquisition dates.



|                                                                       |  |                                       |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |        
|---------------------------------------------------------------------- |  | ------------------------------------- | ------- | - | ---- | - | ------- | ---- |  | - | ------- | - |  | ---- | ------- | - |  | - | -------
|                                                                       |  | Year Ended April 30,                 
|                                                                       |  | 2010                                  |         |   | 2009 |   |         | 2008 |  |   | 2007    |   |  | 2006
|                                                                       |  | (in thousands, except per share data)
|Consolidated Statements of Operations                                  |  |                                       |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |        
|Total net revenue                                                      |  | $                                     | 496,137 |   |      | $ | 444,745 |      |  | $ | 305,439 |   |  | $    | 177,700 |   |  | $ | 141,722
|Total cost of net revenue                                              |  |                                       | 125,633 |   |      |   | 131,135 |      |  |   | 71,445  |   |  |      | 45,748  |   |  |   | 43,048 
|Gross profit                                                           |  |                                       | 370,504 |   |      |   | 313,610 |      |  |   | 233,994 |   |  |      | 131,952 |   |  |   | 98,674 
|Total operating expenses                                               |  |                                       | 331,505 |   |      |   | 311,042 |      |  |   | 208,873 |   |  |      | 141,637 |   |  |   | 97,165 
|Operating income (loss)                                                |  |                                       | 38,999  |   |      |   | 2,568   |      |  |   | 25,121  |   |  |      | (9,685  | ) |  |   | 1,509  
|Income (loss) before income taxes                                      |  |                                       | 37,351  |   |      |   | 623     |      |  |   | 30,530  |   |  |      | (6,074  | ) |  |   | 3,215  
|(Benefit) provision for income taxes                                   |  |                                       | (5,528  | ) |      |   | 9,131   |      |  |   | (2,038  | ) |  |      | 1,124   |   |  |   | 275    
|Net income (loss)                                                      |  | $                                     | 42,879  |   |      | $ | (8,508  | )    |  | $ | 32,568  |   |  | $    | (7,198  | ) |  | $ | 2,940  
|Net income (loss) per share (1):                                       |  |                                       |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |        
|Basic                                                                  |  | $                                     | 0.97    |   |      | $ | (0.22   | )    |  | $ | 0.93    |   |  | $    | (0.25   | ) |  | $ | 0.11   
|Diluted                                                                |  | $                                     | 0.93    |   |      | $ | (0.22   | )    |  | $ | 0.82    |   |  | $    | (0.25   | ) |  | $ | 0.10   
|Weighted average shares used in computing net income (loss) per share: |  |                                       |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |        
|Basic                                                                  |  |                                       | 44,326  |   |      |   | 38,493  |      |  |   | 35,179  |   |  |      | 29,188  |   |  |   | 25,930 
|Diluted                                                                |  |                                       | 45,980  |   |      |   | 38,493  |      |  |   | 39,659  |   |  |      | 29,188  |   |  |   | 29,284 
|                                                                       | 
|                                                                       |  | As of April 30,                      
|                                                                       |  | 2010                                  |         |   | 2009 |   |         | 2008 |  |   | 2007    |   |  | 2006
|                                                                       |  | (in thousands)                       
|Consolidated Balance Sheet Data                                        |  |                                       |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |        
|Cash, cash equivalents and short-term investments                      |  | $                                     | 236,347 |   |      | $ | 114,163 |      |  | $ | 162,178 |   |  | $    | 93,887  |   |  | $ | 57,190 
|Working capital                                                        |  |                                       | 184,842 |   |      |   | 66,644  |      |  |   | 123,561 |   |  |      | 66,394  |   |  |   | 40,725 
|Total assets                                                           |  |                                       | 696,038 |   |      |   | 562,293 |      |  |   | 387,768 |   |  |      | 248,674 |   |  |   | 164,164
|Other long-term liabilities                                            |  |                                       | 83,781  |   |      |   | 52,903  |      |  |   | 23,915  |   |  |      | 16,489  |   |  |   | 10,130 
|Convertible senior notes                                               |  |                                       | 77,241  |   |      |   | 76,347  |      |  |   |        |   |  |      |        |   |  |   |       
|Series A redeemable convertible preferred stock                        |  |                                       |        |   |      |   |        |      |  |   |        |   |  |      | 41,879  |   |  |   |       
|Total Blue Coat stockholders equity                                   |  |                                       | 386,009 |   |      |   | 281,609 |      |  |   | 251,461 |   |  |      | 118,589 |   |  |   | 109,958



|(1) | For more information on earnings per share including the two class method see Note 2 in the Notes to Consolidated Financial Statements.
|--- | ---------------------------------------------------------------------------------------------------------------------------------------



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Item 7. Managements Discussion and Analysis of Financial Condition
and Results of Operations

This Annual Report on Form 10-K, and other materials accompanying this Annual Report on
Form 10-K contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements relate to our future plans, objectives,
expectations, intentions and financial performance and the assumptions that underlie these statements. These forward-looking statements include, but are not limited to, statements concerning the following: plans to develop and offer new products and
services and enter new markets; expectations with respect to future market growth opportunities; changes in and expectations with respect to revenues, gross margins and income tax provisions; future operating expense levels and operating margins;
the impact of quarterly fluctuations of revenue and operating results; our ability to achieve expected levels of revenues and profit contributions from acquired businesses; the impact of macroeconomic conditions on our business; the adequacy of our
capital resources to fund operations and growth; investments or potential investments in acquired businesses and technologies, as well as internally developed technologies; the effectiveness of our sales force, distribution channel, and marketing
activities; the impact of recent changes in accounting standards and assumptions underlying any of the foregoing. In some cases, forward-looking statements are identified by the use of terminology such as anticipate,
expect, intend, plan, predict, believe, estimate, may, will, should, would, could, potential,
continue, ongoing, or negatives or derivatives of the foregoing, or other comparable terminology.

The forward-looking statements in this Annual Report on Form 10-K involve known and unknown risks, uncertainties and other factors
that may cause industry and market trends, or our actual results, level of activity, performance or achievements, to be materially different from any future trends, results, level of activity, performance or achievements expressed or implied by
these statements. For a detailed discussion of these risks, uncertainties and other factors, see the Risk Factors section in Item 1A of this Annual Report on Form 10-K. We undertake no obligation to revise or update
forward-looking statements to reflect new information or events or circumstances occurring after the date of this Annual Report on Form 10-K.

Overview

We sell a
family of proxy and other appliances, and related software and services. Our appliances, together with our software, secure and optimize the delivery of business applications, Web content and other information over a Wide Area Network
(WAN) or across an enterprises Internet gateway. Our products are based on three core functionalities: 1) security of the delivery of applications and content; 2) acceleration and optimization of the delivery of applications and
content; and 3) visibility of the applications, content and users on the network. While our products are frequently sold and used individually, many of our product and service offerings share a common architecture and work together as part of an
Application Delivery Network infrastructure. The combined offering enables distributed enterprises with multiple offices and geographically decentralized employees to more efficiently and effectively use and secure their critical business
applications and networks.

In fiscal 2010, we evolved our business strategy to include offering the core functionality of our
products to new markets and through new delivery models and strategic relationships. We reorganized our product-oriented and development resources into product groups to support this strategy. We continue to refine those organizations to better
serve our strategy and to better address specific markets, such as the telecommunications carrier market and the mid-market for Secure Web Gateway products. During the fourth quarter of fiscal 2010, we released two new products: our CacheFlow 5000
appliance, which is a WAN optimization appliance targeted specifically for the telecommunications carrier market; and our ProxySG Virtual Appliance, which is a software-based WAN optimization appliance designed to run as a virtual image on industry
standard servers, targeted for large and mid-sized customers.

During fiscal 2010, we also focused on improving our
operational efficiency and cost structure, implemented a global restructuring plan and revised our global logistics practices. We initiated our global



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restructuring plan in the third quarter of fiscal 2010. This plan included a net reduction of approximately 10% of our then-current headcount and the closure of three of our smaller remote
product development facilities. The total estimated restructuring costs associated with the plan are $13.0 million, and we recognized substantially all of these costs by the end of fiscal 2010. The revision of our global logistics practices
commenced in the first quarter of fiscal 2010 and was completed during the fiscal year. We now ship all of our products directly to end user customers or value-added resellers from one of two regional logistics centers, rather than using stocking
distributors. This change has reduced shipping costs for us and for our channel partners and has shortened delivery times.

We
measure the success of our collective efficiency and cost reduction efforts in substantial part by our operating margin and cash flow from operations. As discussed below, we saw improvement in both of these financial metrics during the course of the
fiscal year. While we were successful in increasing operating profitability in the second half of fiscal 2010, many factors can impact our future performance, including the global economic environment, seasonality and our ability to balance those
activities that are necessary to drive future growth while controlling current operating costs.

At the end of the fourth
quarter of fiscal 2010, we experienced difficulty in closing sales transactions in our EMEA geographic region, which typically accounts for over 35% of our net revenue. We believe that this may have resulted from the current macroeconomic challenges
in Europe. We expect that such challenges may continue in the first quarter of fiscal 2011, and possibly longer, resulting in longer sales cycles in Europe during that period. In addition, because our quota-carrying sales force is on an annual sales
compensation plan, with year-end accelerators to encourage the closing of sales in the fourth fiscal quarter, we expect that our revenue during the first quarter of fiscal 2011 may also be negatively affected by seasonality.

Although we intend to continue to focus on our operational efficiency, cost structure and profitability in fiscal 2011, we also are
selectively investing in activities that we believe will drive future growth of our business. We presently are focused on growing our business through four key initiatives:



| |  |  | Increasing sales of our Secure Web Gateway products to large enterprises through cross-selling to channel partners and assisting end user customers to
implement more comprehensive and robust Secure Web Gateway solutions to protect their network investments;
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Increasing sales of our WAN Optimization products to those end user customers seeking acceleration of e-mail and storage;
| | - |  | -------------------------------------------------------------------------------------------------------------------------



| |  |  | Increasing sales in the telecommunications carrier market, particularly in areas of the world where bandwidth is relatively limited and expensive; and
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Developing and delivering a cloud-based services offering, initially directed at providing Secure Web Gateway services, particularly to mid-market
customers.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------

During fiscal 2011, we intend to invest in these and other initiatives that we believe will
enhance our growth and increase our market penetration while continuing to focus on increased operating profitability and cash flow from operations.

We track many financial metrics as key measures of our business performance, including net revenue, operating margin, deferred revenue,
cash flow from operations and cash position.

Net Revenue

Net revenue, which includes product and service revenue, increased to $496.1 million in fiscal 2010 from $444.7 million in fiscal 2009.
Net product revenue in fiscal 2010 was $322.1 million, a $16.5 million increase compared with fiscal 2009, due to an increased demand for our products, which we believe primarily resulted



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from improved economic conditions and increased enterprise IT spending. Net product revenue primarily consists of revenue from sales of our ProxySG and PacketShaper appliances and licenses to our
WebFilter product. We recognized $174.0 million in service revenue in fiscal 2010, a $34.9 million increase compared with fiscal 2009. The increase in service revenue was driven primarily by an increase in revenue from new and renewal service
contracts.

Operating Margin

Our operating income increased $36.4 million to $39.0 million in fiscal 2010 compared with fiscal 2009. This increase was attributable to
both an increase in net revenue discussed above and an increase in our gross profit margin from 70.5% in fiscal 2009 to 74.7% in fiscal 2010, partially offset by an increase in operating expenses of $20.5 million in fiscal 2010 compared with fiscal
2009. The increase in operating expenses was primarily driven by restructuring charges of $12.6 million and higher research and development expenses in fiscal 2010. The year-over-year gross margin increase resulted from both, a favorable product mix
and decreased product discounting, and decreased impact from the application of fair value purchase accounting on Packeteer inventory and deferred revenue, which negatively impacted the cost of net revenue and service revenue by $28.1 million in
total in fiscal 2009 compared with a negative impact of $5.3 million in total in fiscal 2010. At April 30, 2010, $0.8 million of the fair value write-down on Packeteers deferred service revenue remained to be recognized and the fair value
write-up of Packeteer inventory was fully recognized. Excluding the fair value purchase accounting impact on gross profit in these two fiscal periods, gross profit margin in fiscal 2010 would have been approximately 54 basis points higher than that
in fiscal 2009, primarily as a result of favorable changes in product mix and decreased product discounting.

Operating
expenses consist of sales and marketing expenses, research and development expenses, general and administrative expenses, amortization of acquisition-related intangible assets and restructuring charges. Personnel-related costs, including stock-based
compensation, are the primary driver of the operating expenses in each functional area. As of April 30, 2010 and 2009 we had 1,261 and 1,459 full-time equivalent employees, respectively. The April 30, 2010 headcount included 66 employees
acquired in the S7 acquisition.

Deferred Revenue

Net deferred revenue was $154.2 million at April 30, 2010 compared with $130.6 million at April 30, 2009. The increase was
primarily due to a $28.9 million increase in the sales of renewal service contracts to our customers, including an increase in long-term service contracts sold with our appliances, partially offset by $5.3 million decrease in deferred revenue
related to the elimination of stocking shipments to our distributors who previously carried inventory, as a result of our change to a direct fulfillment model. At April 30, 2010, our transition to a direct fulfillment model was complete.

Cash Flow from Operations and Cash Position

During fiscal 2010, we generated cash flow from operations of $96.8 million compared with $57.7 million generated during fiscal 2009. The
increase in operating cash flow in fiscal 2010 was primarily driven by higher net income after excluding the impact of non-cash charges such as stock-based compensation, depreciation and amortization expense, partially offset by lower working
capital sources of cash in the current fiscal year and increased deferred revenue. Our cash and cash equivalents and restricted cash were $237.3 million at April 30, 2010 compared with $115.0 million at April 30, 2009. The overall increase
in our cash and cash equivalents balance was primarily due to higher cash generated by operations and net proceeds from issuance of common stock. The increased proceeds from issuance of common stock were driven primarily by an increase in stock
option exercises in the current fiscal year due to the increase in our stock price in the current fiscal year compared with the prior fiscal year.



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Critical Accounting Policies and Estimates

Our discussion and analysis of financial condition and results of operations is based upon our consolidated financial statements, which
have been prepared in accordance with accounting principles generally accepted in the United States. The preparation of our consolidated financial statements requires us to make estimates and judgments that affect the reported amounts of assets,
liabilities, net revenue and expenses, and related disclosure of contingent assets and liabilities. On an ongoing basis, we evaluate our estimates, including those related to Revenue Recognition, Allowance for Doubtful Accounts, Stock-Based
Compensation, Supply Chain Liabilities and Valuation of Inventory, Acquisitions, Goodwill and Identifiable Intangible Assets, Income Taxes, and Legal and Other Contingencies. We base our estimates on historical experience and various other
assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may
differ from these estimates under different assumptions or conditions, and such differences could be material.

We have
discussed the development and selection of critical accounting policies and estimates with the audit committee of our board of directors. We believe the accounting policies described below are those that most frequently require us to make estimates
and judgments that materially affect our financial statements and that are critical to the understanding of our financial condition and results of operations:



| |  |  | Revenue Recognition
| | - |  | -------------------



| |  |  | Allowance for Doubtful Accounts
| | - |  | -------------------------------



| |  |  | Stock-Based Compensation
| | - |  | ------------------------



| |  |  | Supply Chain Liabilities and Valuation of Inventory
| | - |  | ---------------------------------------------------



| |  |  | Acquisitions, Goodwill and Identifiable Intangible Assets
| | - |  | ---------------------------------------------------------



| |  |  | Income Taxes
| | - |  | ------------



| |  |  | Legal and Other Contingencies
| | - |  | -----------------------------

Revenue Recognition

We
sell a family of proxy and other appliances, and related software and services. We operate a multiple tier channel distribution model that includes both distributors and value-added resellers. In most cases, we sell our products to distributors, who
in turn sell to value-added resellers and ultimately end users. In these cases, we ship our products from our fulfillment centers to value-added resellers who provide configuration services for the end users. In some cases, we sell directly to value
added-resellers, who in turn sell to end users. In these cases, we ship our products from our fulfillment centers directly to end users. We do not accept orders from distributors or value-added resellers when we are aware that they do not have an
order from an end user. Additionally, we provide unspecified software upgrades, on a when-and-if available basis, through maintenance contracts for most of our products. We recognize revenue when all of the following criteria are met: persuasive
evidence of an arrangement exists; delivery or performance has occurred; the sales price is fixed or determinable; and collection is probable.

We define each of the four criteria above as follows:

Persuasive evidence of an arrangement exists. Evidence of an arrangement generally consists of a purchase order issued pursuant to
the terms and conditions of a distributor or value-added reseller agreement and, in limited cases, an end user agreement.

Delivery or performance has occurred. We use shipping and related documents, or written evidence of customer acceptance, when
applicable, to verify delivery or performance. We recognize product revenue upon transfer of title and risk of loss, which generally is upon shipment to distributors, value-added resellers and end users. We generally do not have significant
obligations for future performance, such as rights of return or pricing credits, associated with our sales.



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The sales price is fixed or determinable. We assess whether the sales price is fixed
or determinable based on payment terms and whether the sales price is subject to refund or adjustment.

Collection is
probable. We assess probability of collection on a customer-by-customer basis. We subject our customers to a credit review process that evaluates their financial condition and ability to pay for our products and services. If we conclude that
collection is not probable based upon our initial review, we do not recognize revenue until cash is received.

For
arrangements that include multiple elements, such as appliances, maintenance or software, we use the residual method to recognize revenue for the delivered elements. Under the residual method, the amount of revenue allocated to delivered elements
equals the total arrangement consideration less the aggregate fair value of any undelivered elements, provided that vendor specific objective evidence (VSOE) of fair value exists for all undelivered elements. VSOE of fair value is based
on the price charged when the element is sold separately. We analyze our stand alone maintenance renewals by stratification of sales channel and service offering. We determine the VSOE of fair value for maintenance by analyzing our stand alone
maintenance renewals and noting that a substantial majority of transactions fall within a narrow range for each stratum. In limited cases, VSOE of fair value has been based on management determined prices. If evidence of the fair value of one or
more undelivered elements does not exist, all revenue is generally deferred and recognized at the earlier of delivery of those elements or establishment of fair value for the remaining undelivered elements. When VSOE of fair value cannot be
determined for any undelivered maintenance, subscription or service element, revenue for the entire arrangement is recognized ratably over the maintenance, subscription or service period.

Maintenance and subscription revenue is initially deferred and recognized ratably over the life of the contract, with the related
expenses recognized as incurred. Maintenance and subscription contracts usually have a term of one to three years. Unearned maintenance and subscription revenue is included in deferred revenue.

We recognize revenue from the sale of third party anti-virus software net of royalties paid and classify this revenue as net service
revenue in our consolidated statements of operations.

Allowance for Doubtful Accounts

We perform ongoing credit evaluations of our customers financial condition and maintain an allowance for doubtful accounts. We
analyze accounts receivable and historical bad debts, customer geographic concentrations, customer solvency, current economic and geographic trends, and changes in customer payment terms and practices when evaluating the adequacy of such allowance,
and record any required changes in the allowance account to general and administrative expense. We write off accounts receivable when they are deemed to be uncollectible.

Stock-Based Compensation

Effective May 1, 2006, we adopted the fair value recognition provisions of Accounting Standards Codification (ASC)
No. 718, CompensationStock Compensation, (ASC 718, formerly FASB Statement No. 123(R)) using the modified prospective transition method. Under that transition method, compensation expense recognized beginning on
that date include: (a) compensation expense for all unvested share-based payments granted prior to May 1, 2006, based on the grant date fair value estimated in accordance with the original provisions of FASB Statement 123; and
(b) compensation expense for all share-based payments granted on or after May 1, 2006, based on the grant date fair value estimated in accordance with the provisions of ASC 718. We use the Black-Scholes option valuation model to calculate
compensation expense.

The Black-Scholes option valuation model requires the input of highly subjective assumptions, including
the expected term of options, the expected price volatility of the stock underlying such options, the risk-free interest rate, and the expected dividend yield. We are required to estimate the stock awards that we ultimately expect to



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vest and to reduce compensation expense for the effects of estimated forfeitures of awards over the expense recognition period. To the extent our actual forfeitures are different than our
estimates, we record a true-up for the difference in the period that the awards vest.

Supply Chain Liabilities and Valuation of Inventory

We outsource our manufacturing, product fulfillment and repair operations to contract manufacturers and third party
logistics providers, and a significant portion of our cost of net revenue results from these activities. Our contract manufacturers procure components and manufacture our products based on demand forecasts that we prepare. These forecasts are based
on estimates of future product demand and are adjusted for overall market conditions. If the actual product demand is significantly lower than forecasted, we may be required to write down our inventory or accrue for excess supply chain liability,
which could have an adverse impact on our gross margins and profitability.

Inventory consists of raw materials and finished
goods. Inventory is recorded at the lower of cost (using the first-in, first-out method) or market, after obsolescence and inventory in excess of anticipated future demand is considered. In assessing the ultimate recoverability of inventory, we are
required to make estimates regarding future customer demand, last time buy decisions, the timing of new product introductions, economic trends and market conditions.

Acquisitions, Goodwill and Identifiable Intangible Assets

We account for acquired businesses using the purchase method of accounting, which requires that the assets acquired, liabilities assumed,
contractual contingencies and contingent consideration be recorded at the date of acquisition at their respective fair values. Goodwill is measured as a residual as of the acquisition date, which in most cases, results in measuring goodwill as an
excess of the purchase consideration transferred plus the fair value of any noncontrolling interest in the acquiree over the fair value of the net assets acquired, including any contingent consideration. It further requires acquisition-related costs
to be recognized separately from the acquisition and expensed as incurred, restructuring costs to be expensed in periods subsequent to the acquisition date, and changes in accounting for deferred tax asset valuation allowances and acquired income
tax uncertainties after the measurement period to impact the provision for income taxes. In addition, acquired in-process research and development is capitalized as an intangible asset and amortized over its estimated useful life.

The fair value of identifiable intangible assets is based on significant judgments made by management. We typically engage third party
valuation appraisal firms to assist us in determining the fair values and useful lives of the assets acquired. Such valuations and useful life determinations require us to make significant estimates and assumptions. These estimates and assumptions
are based on historical experience and information obtained from the management of the acquired companies, and also include, but are not limited to, future expected cash flows to be earned from the product-related technology and discount rates
applied in determining the present value of those cash flows. Unanticipated events and circumstances may occur that could affect the accuracy or validity of such assumptions, estimates or actual results. Acquisition-related identifiable intangible
assets are amortized on a straight-line basis over their estimated economic lives, which are three to seven years for developed technology and patents, five years for core technology, four to seven years for customer relationships and two years for
trade name.

We perform goodwill impairment tests annually during our fourth fiscal quarter, and whenever events or changes in
circumstances indicate that the carrying amount of goodwill may not be recoverable. The first step of the test identifies whether potential impairment may have occurred, and the second step of the test measures the amount of the impairment, if any.
An impairment of goodwill is recognized when the carrying amount of the assets exceeds their fair value. The process of evaluating the potential impairment of goodwill is highly subjective and requires the application of significant judgment. For
purposes of the annual impairment test, we consider our market capitalization compared with the carrying amount of our net assets on the date of the test, since we have only one reporting unit. We performed our annual review of goodwill in the
fourth quarter of fiscal 2010 and concluded that no impairment existed at April 30, 2010.



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We evaluate long-lived assets, including identifiable intangible assets, for impairment
whenever events or changes in circumstances indicate that the carrying amount of the assets may not be recoverable. Events or changes in circumstances that could result in an impairment review include, but are not limited to, significant
underperformance relative to historical or projected future operating results, significant changes in the manner of use of the acquired assets or the strategy for our overall business, and significant negative industry or economic trends. Impairment
is recognized when the carrying amount of an asset exceeds its fair value as calculated on a discounted cash flow basis.

Income Taxes

We use the liability method to account for income taxes. As part of the process of preparing our consolidated financial
statements, we are required to estimate income taxes in each of the jurisdictions in which we operate. This process involves determining our income tax expense and calculating the deferred income tax expense related to temporary differences
resulting from the differing treatment of items for tax and accounting purposes, such as deferred revenue or deductibility of the amortization of certain intangible assets. These temporary differences result in deferred tax assets or liabilities,
which are included within the consolidated balance sheets.

We record a valuation allowance to reduce certain deferred tax
assets to an amount that we estimate is more likely than not to be realized. We consider estimated future taxable income and prudent tax planning strategies in determining the need for a valuation allowance. When we determine that it is more likely
than not that some or all of our deferred tax assets will be realized by either refundable income taxes or future taxable income, the valuation allowance will be reduced and the related tax impact will be recorded as a reduction to the tax provision
in that period. Likewise, should we determine that we are not likely to realize all or part of our deferred tax assets in the future, an increase to the valuation allowance would be recorded as an increase to the tax provision in the period in which
such determination was made.

As a multinational corporation, we conduct our business in many countries and are subject to
taxation in many jurisdictions. The taxation of our business is subject to the application of multiple and conflicting tax laws and regulations, as well as multinational tax conventions. Our effective tax rate is highly dependent upon the geographic
distribution of our worldwide earnings or losses, the tax regulations and tax holidays in each geographic region, the availability of tax credits and carryforwards, and the effectiveness of our tax planning strategies. The application of tax laws
and regulations is subject to legal and factual interpretation, judgment and uncertainty. Tax laws themselves are subject to change as a result of changes in fiscal policy, changes in legislation, and the evolution of regulations and court rulings.
Consequently, tax authorities may impose tax assessments or judgments against us that could materially impact our tax liability and/or our effective income tax rate.

We use a two-step approach to recognizing and measuring uncertain tax positions. The first step is to evaluate the tax position for
recognition by determining if the weight of available evidence indicates that it is more likely than not that the position will be sustained on audit, including resolution of related appeals or litigation, if any. The second step is to measure the
tax benefit as the largest amount that is more likely than not to be realized upon settlement. We review our uncertain tax benefits quarterly, and we may adjust such uncertain tax benefits as a consequence of proposed assessments by tax authorities,
changes in facts and circumstances, issuance of new regulations or new case law, previously unavailable information obtained during the course of an examination, negotiations with tax authorities of different countries concerning our transfer
pricing, resolution with respect to individual audit issues/audit years, or the expiration of statutes of limitations. In addition, our tax contingency reserve includes certain amounts for potential tax assessments for pre-acquisition tax years of
acquired companies, which, if recognized, will be recorded to our provision for income taxes.

Legal and Other Contingencies

We are currently involved in various claims and legal proceedings. We review the status of each significant matter and
assess our potential financial exposure on a quarterly basis. We record a charge equal to at least the



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minimum estimated liability for damages arising from litigation or other loss contingencies only when both of the following conditions are met: (i) information available prior to issuance of
our consolidated financial statements indicates that it is probable that an asset had been impaired or a liability had been incurred at the date of the financial statements and (ii) the range of loss can be reasonably estimated. As additional
information becomes available, we reassess the potential liability related to pending loss contingencies and may revise our estimates. Such revisions in the estimates of the potential liabilities could have a material impact on our results of
operations and financial position.

Results of Operations

The following table sets forth, as a percentage of net revenue, consolidated statements of operations data for the periods indicated:



|                                     |  |                      |    |  |       |    |  |       |   
|------------------------------------ |  | -------------------- | -- |  | ----- | -- |  | ----- | --
|                                     |  | Year Ended April 30, |   
|                                     |  | 2010                 |    |  | 2009  |    |  | 2008  |   
|Net revenue:                         |  |                      |    |  |       |    |  |       |   
|Product                              |  | 64.9                 | %  |  | 68.7  | %  |  | 76.6  | % 
|Service                              |  | 35.1                 | %  |  | 31.3  | %  |  | 23.4  | % 
|                                     |  |                      |    |  |       |    |  |       |   
|Total net revenue                    |  | 100.0                | %  |  | 100.0 | %  |  | 100.0 | % 
|Cost of net revenue:                 |  |                      |    |  |       |    |  |       |   
|Product                              |  | 15.6                 | %  |  | 19.3  | %  |  | 15.7  | % 
|Service                              |  | 9.7                  | %  |  | 10.2  | %  |  | 7.7   | % 
|                                     |  |                      |    |  |       |    |  |       |   
|Total cost of net revenue            |  | 25.3                 | %  |  | 29.5  | %  |  | 23.4  | % 
|Gross profit                         |  | 74.7                 | %  |  | 70.5  | %  |  | 76.6  | % 
|Operating expenses:                  |  |                      |    |  |       |    |  |       |   
|Sales and marketing                  |  | 36.2                 | %  |  | 40.1  | %  |  | 42.2  | % 
|Research and development             |  | 17.1                 | %  |  | 17.2  | %  |  | 16.9  | % 
|General and administrative           |  | 9.5                  | %  |  | 10.7  | %  |  | 9.1   | % 
|Amortization of intangible assets    |  | 1.5                  | %  |  | 1.5   | %  |  | 0.2   | % 
|Restructuring                        |  | 2.5                  | %  |  | 0.4   | %  |  | 0.0   | % 
|                                     |  |                      |    |  |       |    |  |       |   
|Total operating expenses             |  | 66.8                 | %  |  | 69.9  | %  |  | 68.4  | % 
|                                     |  |                      |    |  |       |    |  |       |   
|Operating income                     |  | 7.9                  | %  |  | 0.6   | %  |  | 8.2   | % 
|Interest income                      |  | 0.1                  | %  |  | 0.3   | %  |  | 2.0   | % 
|Interest expense                     |  | (0.2                 | )% |  | (0.2  | )% |  | (0.1  | )%
|Other expense, net                   |  | (0.3                 | )% |  | (0.5  | )% |  | (0.1  | )%
|                                     |  |                      |    |  |       |    |  |       |   
|Income (loss) before income taxes    |  | 7.5                  | %  |  | 0.2   | %  |  | 10.0  | % 
|(Benefit) provision for income taxes |  | (1.1                 | )% |  | 2.1   | %  |  | (0.7  | )%
|                                     |  |                      |    |  |       |    |  |       |   
|Net income (loss)                    |  | 8.6                  | %  |  | (1.9  | )% |  | 10.7  | % 
|                                     |  |                      |    |  |       |    |  |       |   

Net Revenue

Net revenue consists of product and service revenue. Net product revenue primarily consists of revenue from sales of our ProxySG and
PacketShaper appliances and licenses to our WebFilter product. Net service revenue primarily consists of sales of new and renewal service contracts and sales of third party software. Although it is generally our practice to promptly ship products
upon receipt of properly finalized purchase orders based on our published shipping lead times, we occasionally have orders that have not shipped or have otherwise not met all the required criteria for revenue recognition at the end of the quarter.
In some of these cases, we may exercise discretion over the timing of shipments, which affects the timing of revenue recognition for those orders. In such cases, we consider a number of factors, including: our operational capacity to fulfill orders
at the end of



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the quarter; our published shipment lead times; the delivery dates requested by customers and resellers; the effect of the related revenue on our business plan; the amount of orders shipped in
the quarter; and the concentration of orders received at the end of the quarter.

The following is a summary of net revenue
and the changes in net revenue by fiscal year:



|                                  |  |                        |         |   |      |   |         |      |  |   |         |  
|--------------------------------- |  | ---------------------- | ------- | - | ---- | - | ------- | ---- |  | - | ------- | -
|                                  |  | Year Ended April 30,   |        
|                                  |  | 2010                   |         |   | 2009 |   |         | 2008 | 
|                                  |  | (dollars in thousands) |        
|Total net revenue                 |  | $                      | 496,137 |   |      | $ | 444,745 |      |  | $ | 305,439 |  
|Change from prior fiscal year ($) |  | $                      | 51,392  |   |      | $ | 139,306 |      |  | $ | 127,739 |  
|Change from prior fiscal year (%) |  |                        | 11.6    | % |      |   | 45.6    | %    |  |   | 71.9    | %

Fiscal 2010 compared
with Fiscal 2009:Net revenue, which includes product and service revenue, increased $51.4 million, or 11.6%, in fiscal 2010 compared with fiscal 2009. Net product revenue in fiscal 2010 was $322.1 million, a $16.5 million increase compared with
fiscal 2009, due to increased demand for our products, which we believe primarily resulted from an improvement in the economic environment and enterprise IT spending. Net service revenue in fiscal 2010 was $174.0 million, a $34.9 million increase
compared with fiscal 2009. The increase in service revenue was the result of sales of new service contracts sold with our appliance in addition to continued growth in our installed base and the resulting increase in revenue from renewal service
contracts.

Fiscal 2009 compared with Fiscal 2008:Net revenue, which includes product and service revenue, increased
$139.3 million, or 45.6%, to $444.7 million in fiscal 2009 compared with fiscal 2008. Net product revenue in fiscal 2009 was $305.6 million, a $71.7 million increase compared with the prior fiscal year period, and included $57.7 million in sales of
Packeteer products. Net service revenue in fiscal 2009 was $139.1 million, a $67.6 million increase compared with the prior fiscal year, and included $31.4 million attributable to Packeteer. The balance of the increase in net revenue was primarily
driven by the continued growth in our installed base, resulting in an increase in sales of service contracts.

The following
is a summary of net revenue by geographic area:



|                  |  |                        |         |  |       |   |  |      |         |  |       |   |  |   |         |  |       |  
|----------------- |  | ---------------------- | ------- |  | ----- | - |  | ---- | ------- |  | ----- | - |  | - | ------- |  | ----- | -
|                  |  | Year Ended April 30,   |        
|                  |  | 2010                   |         |  | 2009  |   |  | 2008 |        
|                  |  | (dollars in thousands) |        
|Americas (1)      |  | $                      | 220,465 |  | 44.5  | % |  | $    | 199,899 |  | 45.0  | % |  | $ | 146,784 |  | 48.1  | %
|EMEA (2)          |  |                        | 185,163 |  | 37.3  |   |  |      | 162,493 |  | 36.5  |   |  |   | 112,110 |  | 36.7  |  
|APAC (3)          |  |                        | 90,509  |  | 18.2  |   |  |      | 82,353  |  | 18.5  |   |  |   | 46,545  |  | 15.2  |  
|                  |  |                        |         |  |       |   |  |      |         |  |       |   |  |   |         |  |       |  
|Total net revenue |  | $                      | 496,137 |  | 100.0 | % |  | $    | 444,745 |  | 100.0 | % |  | $ | 305,439 |  | 100.0 | %
|                  |  |                        |         |  |       |   |  |      |         |  |       |   |  |   |         |  |       |  



|(1) | North America, Central America and Latin America (Americas)
|--- | -------------------------------------------------------------

|(2) | Europe, Middle East and Africa (EMEA)
|--- | ---------------------------------------

|(3) | Asia and Pacific regions (APAC)
|--- | ---------------------------------

Revenues from sales to customers outside of the Americas are a significant part of our revenue mix. Since all of our sales are currently
invoiced in U.S. dollars, a change in the value of the dollar relative to foreign currencies could affect the demand for our products and therefore impact our revenues in foreign markets. For fiscal 2010, approximately 55.5% of our total net revenue
was derived from customers outside of the Americas compared with 55.0% and 51.9% for fiscal 2009 and 2008, respectively.

Net
revenue in Americas increased $20.6 million in fiscal 2010, up 10.3% from fiscal 2009. This increase was driven by a $7.8 million increase in product revenue primarily from shipments of our ProxySG appliances in addition to a $12.8 million increase
in service revenue driven by an increase in revenue from renewal service contracts. Net revenue in Americas increased $53.1 million in fiscal 2009, up 36.2% from fiscal 2008.



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Net revenue in EMEA increased $22.7 million in fiscal 2010, up 14.0% from fiscal 2009. This
increase was driven by a $9.6 million increase in product revenue primarily from shipments of our ProxySG appliances, partially offset by a decrease in shipment of our PacketShaper appliances, in addition to a $13.1 million increase in service
revenue driven by an increase in both new and renewal service revenue. Net revenue in EMEA increased $50.4 million in fiscal 2009, up 44.9% from fiscal 2008.

Net revenue in APAC increased $8.2 million in fiscal 2010, up 9.9% from fiscal 2009. This increase was driven by a $9.0 million increase
in service revenue due to an increase in revenue from both new and renewal service contracts partially offset by a $0.8 million decline in product revenue. The decline in product revenue resulted from a decrease in shipments of our ProxySG
appliances, partially offset by an increase in shipments of our PacketShaper appliances. Net revenue in APAC increased $35.8 million in fiscal 2009, up 76.9% from fiscal 2008.

Gross Profit

The
following is a summary of gross profit by fiscal year:



|                    |  |                        |         |   |      |   |         |      |  |   |         |  
|------------------- |  | ---------------------- | ------- | - | ---- | - | ------- | ---- |  | - | ------- | -
|                    |  | Year Ended April 30,   |        
|                    |  | 2010                   |         |   | 2009 |   |         | 2008 | 
|                    |  | (dollars in thousands) |        
|Gross profit        |  | $                      | 370,504 |   |      | $ | 313,610 |      |  | $ | 233,994 |  
|Gross profit margin |  |                        | 74.7    | % |      |   | 70.5    | %    |  |   | 76.6    | %

Fiscal 2010 compared
with Fiscal 2009:Gross profit increased $56.9 million, or 18.1%, in fiscal 2010 compared with fiscal 2009, as a result of an increase in net revenue and related gross profit margin. Gross profit margin in fiscal 2010 increased to 74.7% from
70.5% in fiscal 2009, primarily as a result of favorable product mix, decreased product discounting and a decreased impact from the application of fair value purchase accounting on Packeteer inventory and deferred revenue, which negatively impacted
the cost of product revenue and net service revenue by $28.1 million for fiscal 2009 compared with a negative impact of $5.3 million for fiscal 2010. Excluding the fair value purchase accounting impact on gross profit in these two fiscal periods,
gross profit margin in fiscal 2010 would have been approximately 54 basis points higher than that in fiscal 2009, primarily as a result of favorable changes in product mix and decreased product discounting.

Fiscal 2009 compared with Fiscal 2008:Gross profit increased $79.6 million, or 34.0%, to $313.6 million in fiscal 2009 from
$234.0 million in fiscal 2008, which was consistent with the increase in net revenue. Gross profit margin in fiscal 2009 decreased to 70.5% from 76.6% in fiscal 2008, primarily attributable to costs associated with acquired Packeteer products,
including $16.2 million associated with the sale of inventory that had been written-up to fair value, $5.0 million of amortization of acquisition-related intangible assets, and a $11.9 million write-down of deferred service revenue to fair value,
all as required by purchase accounting rules. Also, contributing to the decrease in gross profit margin compared with fiscal 2008 were increased manufacturing expenses and other cost of goods sold as a percentage of net revenue.

Sales and Marketing

Sales and marketing expense consists primarily of salaries and benefits, commissions, travel, advertising and promotional expenses. The
following is a summary of sales and marketing expense by fiscal year:



|                                                   |  |                        |         |   |      |   |         |      |  |   |         |  
|-------------------------------------------------- |  | ---------------------- | ------- | - | ---- | - | ------- | ---- |  | - | ------- | -
|                                                   |  | Year Ended April 30,   |        
|                                                   |  | 2010                   |         |   | 2009 |   |         | 2008 | 
|                                                   |  | (dollars in thousands) |        
|Sales and marketing                                |  | $                      | 179,725 |   |      | $ | 178,470 |      |  | $ | 128,927 |  
|Sales and marketing as a percentage of net revenue |  |                        | 36.2    | % |      |   | 40.1    | %    |  |   | 42.2    | %



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Fiscal 2010 compared with Fiscal 2009:Sales and marketing expense increased $1.2
million, or 0.7%, in fiscal 2010 compared with fiscal 2009. The increase in sales and marketing expense was primarily attributable to a $4.3 million increase in salaries and benefits as a result of higher headcount during the current fiscal year
compared with the prior fiscal year, including commission payments, as well as an increase in various other sales and marketing expenses to promote our strategy and market position, partially offset by a $3.1 million decrease in recruitment and
travel related costs. Fiscal 2009 sales and marketing expense included $3.6 million of Packeteer integration and transition-related costs.

Sales and marketing headcount was 501 at April 30, 2010 compared with 529 at April 30, 2009. We currently expect sales and
marketing expense during fiscal 2011 to increase in absolute dollars, as a consequence of increases in our quota-carrying sales force, increased sales in both U.S. and international markets and the establishment and expansion of new and existing
distribution channels.

Fiscal 2009 compared with Fiscal 2008:Sales and marketing expense increased $49.5 million to
$178.4 million in fiscal 2009 from $128.9 million in fiscal 2008. The increase in sales and marketing expense was primarily attributable to a $22.4 million increase in salaries and benefits, as a result of higher headcount, and related
expenses including commission payments and training, $0.8 million of increased stock-based compensation expense, $6.4 million of increased travel costs and $6.2 million of increased marketing program spending, including spending on advertising and
public relations. The increase in sales and marketing expense was consistent with our plans to invest resources in the WAN Optimization market and promotion of our strategy. Sales and marketing headcount was 529 at April 30, 2009 compared with
385 at April 30, 2008.

Research and Development

Research and development expense consists primarily of salaries and benefits, prototype costs, and testing equipment costs. The following
is a summary of research and development expense by fiscal year:



|                                                        |  |                        |        |   |      |   |        |      |  |   |        |  
|------------------------------------------------------- |  | ---------------------- | ------ | - | ---- | - | ------ | ---- |  | - | ------ | -
|                                                        |  | Year Ended April 30,   |       
|                                                        |  | 2010                   |        |   | 2009 |   |        | 2008 | 
|                                                        |  | (dollars in thousands) |       
|Research and development                                |  | $                      | 84,930 |   |      | $ | 76,680 |      |  | $ | 51,587 |  
|Research and development as a percentage of net revenue |  |                        | 17.1   | % |      |   | 17.2   | %    |  |   | 16.9   | %

Fiscal 2010 compared
with Fiscal 2009:Research and development expense increased $8.3 million, or 10.8%, in fiscal 2010 compared with fiscal 2009. The increase was primarily attributable to a $7.4 million increase in salaries and benefits, including profit sharing,
as a result of higher headcount during the year. Fiscal 2009 research and development expense included $3.0 million of Packeteer integration and transition-related costs.

Research and development headcount was 334 at April 30, 2010 compared with 369 at April 30, 2009. We believe that continued
investment in product enhancements and new product development is critical to achieving our strategic objectives in fiscal 2011 and beyond. We currently expect research and development expense to increase slightly in absolute dollars due to
investments in our new research and development facility in India and development of new products and services.

Fiscal
2009 compared with Fiscal 2008:Research and development expense increased $25.1 million in fiscal 2009 to $76.7 million. The increase in research and development expense from fiscal 2008 was largely attributable to a $13.3 million increase in
salaries and benefits as a result of higher headcount, including $0.3 million of increased stock-based compensation, $2.5 million of Packeteer acquisition-related integration and transition costs and $6.6 million of increased facilities and IT
resource allocations. Research and development headcount was 369 at April 30, 2009 compared with 263 at April 30, 2008.



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General and Administrative

General and administrative expense consists primarily of salaries and benefits, legal services, accounting and audit services, and other
general corporate expenses. The following is a summary of general and administrative expense by fiscal year:



|                                                          |  |                        |        |   |      |   |        |      |  |   |        |  
|--------------------------------------------------------- |  | ---------------------- | ------ | - | ---- | - | ------ | ---- |  | - | ------ | -
|                                                          |  | Year Ended April 30,   |       
|                                                          |  | 2010                   |        |   | 2009 |   |        | 2008 | 
|                                                          |  | (dollars in thousands) |       
|General and administrative                                |  | $                      | 47,010 |   |      | $ | 47,679 |      |  | $ | 27,909 |  
|General and administrative as a percentage of net revenue |  |                        | 9.5    | % |      |   | 10.7   | %    |  |   | 9.1    | %

Fiscal 2010 compared
with Fiscal 2009:General and administrative expense decreased $0.7 million, or 1.4%, in fiscal 2010 compared with fiscal 2009. The decrease was primarily due to a $1.7 million of Packeteer integration and transition-related costs, as well as a
$1.0 million charge for bad debt expense in fiscal 2009, each of which did not reoccur in fiscal 2010, partially offset by a $1.9 million increase in personnel-related charges, including profit sharing, in fiscal 2010.

Fiscal 2009 compared with Fiscal 2008:General and administrative expense increased $19.8 million to $47.7 million in fiscal
2009 from $27.9 million in fiscal 2008. The increase was primarily due to a $10.0 million increase in salaries and benefits as a result of higher headcount and $8.5 million of increased legal fees, professional fees and legal settlement costs.

Amortization of Intangible Assets

Amortization expense for our intangible assets by fiscal year was allocated as follows:



|                                |  |                      |        |      |   |        |  |   |      
|------------------------------- |  | -------------------- | ------ | ---- | - | ------ |  | - | -----
|                                |  | Year Ended April 30,
|                                |  | 2010                 |        | 2009 |   | 2008  
|                                |  | (in thousands)      
|Included in cost of net revenue |  | $                    | 5,152  |      | $ | 4,969  |  | $ | 1,189
|Included in operating expenses  |  |                      | 7,289  |      |   | 6,667  |  |   | 450  
|                                |  |                      |        |      |   |        |  |   |      
|Total                           |  | $                    | 12,441 |      | $ | 11,636 |  | $ | 1,639
|                                |  |                      |        |      |   |        |  |   |      

On January 25, 2010, we acquired 84.5% of the
outstanding shares of S7. The acquisition-related intangible assets consist of assumed customer contracts, which represent S7s underlying relationships with its customers. The fair value assigned to customer relationships was $0.7 million,
which will be amortized on a straight-line basis over the expected useful life of 4 years, consistent with the number of periods of prospective cash flow utilized to estimate the fair value of the assets.

We completed the acquisition of Packeteer on June 6, 2008. The acquisition-related intangible assets consist of developed technology
and patents, customer relationships and trade name. The amounts assigned to customer relationships, developed technology and patents, and trade name were $35.0 million, $20.0 million, and $0.4 million, respectively.

For the fiscal years of 2010, 2009 and 2008, the amortization of intangible assets was related to our acquisitions of S7, Packeteer,
certain assets of the NetCache business from Network Appliance, Permeo, Inc., Cerberian, Inc. and Ositis Software, Inc. The amortization of developed technology, core technology, patents and trade name is charged to cost of net revenue, while the
amortization of customer relationships is charged to operating expense. We amortize customer relationships, developed technology and patents, and trade name on a straight-line basis over their weighted average expected useful lives of 5, 5, and 2
years, respectively. Total amortization expense for our identifiable intangible assets for the fiscal years ended April 30, 2010, 2009 and 2008 was $12.4 million, $11.6 million and $1.6 million, respectively.



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Restructuring Charges

Restructuring charges consist primarily of personnel-related severance costs, contract termination costs and stock-based compensation
expense. Stock-based compensation included in restructuring resulted primarily from the additional vesting of unvested option shares and restricted shares upon termination of the employment of those employees pursuant to the terms of their
separation agreements. The following is a summary of restructuring charges by fiscal year:



|                                                     |  |                        |        |   |      |   |       |      |  |   |   |  
|---------------------------------------------------- |  | ---------------------- | ------ | - | ---- | - | ----- | ---- |  | - | - | -
|                                                     |  | Year Ended April 30,   |       
|                                                     |  | 2010                   |        |   | 2009 |   |       | 2008 | 
|                                                     |  | (dollars in thousands) |       
|Restructuring charges                                |  | $                      | 12,551 |   |      | $ | 1,546 |      |  | $ |  |  
|Restructuring charges as a percentage of net revenue |  |                        | 2.5    | % |      |   | 0.4   | %    |  |   |  | %

Restructuring expenses in
fiscal 2010 consisted of expenses associated with the Fiscal 2010 Restructuring Plan committed to and initiated in third quarter of fiscal 2010, which included a planned net reduction of approximately 10% of our current headcount and the closure of
three facilities in order to restructure and further improve efficiencies in our operations. The total estimated restructuring costs associated with the Fiscal 2010 Restructuring Plan are $13.0 million, of which $11.0 million in charges relates to
severance and related benefits for 265 employees and $2.0 million in charges relates to facility closures and consolidations. We recorded $12.6 million of restructuring charges in fiscal 2010, including $0.1 million of stock-based compensation, and
expect to incur the remaining $0.4 million of the charges by the end of the first quarter of fiscal 2011.

Restructuring
expenses in fiscal 2009 consisted of expenses associated with our Fiscal 2009 Restructuring Plan, which commenced in connection with our acquisition of Packeteer. The Fiscal 2009 Restructuring Plan expenses primarily included severance-related costs
and stock-based compensation charges. The Fiscal 2009 Restructuring Plan was completed in the first quarter of fiscal 2010 and no further charges under that plan were incurred after that quarter.

Interest Income, Interest Expense and Other Expense, Net

Interest income consists of interest income earned on our cash and marketable securities. Our cash historically has been invested in
highly liquid investments such as time deposits held at major banks, commercial paper, U.S. government agency discount notes, money market mutual funds and other money market securities with maturities at the date of purchase of 90 days or less. At
April 30, 2010, our cash was invested in money market mutual funds and a money market savings account. Interest expense primarily relates to amortization of the fair value of warrants and a beneficial conversion feature associated with our
convertible senior notes. Other expense, net, consists primarily of foreign currency exchange gains or losses, and non-recurring gains or losses realized outside our normal course of business. The following is a summary of interest income, interest
expense and other expense, net, by fiscal year:



|                   |  |                      |        |   |      |   |        |      |  |   |       |  
|------------------ |  | -------------------- | ------ | - | ---- | - | ------ | ---- |  | - | ----- | -
|                   |  | Year Ended April 30, |       
|                   |  | 2010                 |        |   | 2009 |   |        | 2008 | 
|                   |  | (in thousands)       |       
|Interest income    |  | $                    | 303    |   |      | $ | 1,302  |      |  | $ | 6,127 |  
|Interest expense   |  | $                    | (918   | ) |      | $ | (885   | )    |  | $ | (257  | )
|Other expense, net |  | $                    | (1,033 | ) |      | $ | (2,362 | )    |  | $ | (461  | )

Fiscal 2010 compared
with Fiscal 2009:Interest income decreased in fiscal 2010 compared with fiscal 2009 as a result of a significant decrease in our average investment yield due to lower interest rates on the money market funds in which the majority of our cash
and cash equivalents was invested, partially offset by interest paid on our higher cash balances. Interest expense increased in fiscal 2010 due to the recognition of twelve months of amortization of the fair value of our warrants and the beneficial
conversion feature associated with the



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convertible senior notes compared with eleven months of amortization in fiscal 2009. Other expense, net, decreased in fiscal 2010 compared with fiscal 2009, because of a reduction in foreign
exchange losses in fiscal 2010 as compared with fiscal 2009.

Fiscal 2009 compared with Fiscal 2008:Interest income
decreased for fiscal year 2009 compared with fiscal 2008 as a result of our reduced cash balances together with a decrease in our average investment yield due to lower interest rates on the money market funds in which the majority of our cash and
cash equivalents was invested. In addition, interest expense increased in fiscal 2009 due to the amortization of the fair value of our warrants and a beneficial conversion feature associated with our convertible senior notes. Other expense, net,
consisted primarily of net foreign currency exchange losses of $2.1 million and an impairment charge of $0.2 million taken on a note receivable. Foreign exchange losses increased during fiscal 2009 compared with fiscal 2008, particularly during the
first half of the fiscal year when the U.S. dollar strengthened against foreign currencies during the comparable period in fiscal 2008.

(Benefit) Provision for Income Taxes

The following is a summary of (benefit) provision for income taxes by fiscal year:



|                                     |  |                        |         |      |   |       |  |   |        |  
|------------------------------------ |  | ---------------------- | ------- | ---- | - | ----- |  | - | ------ | -
|                                     |  | Year Ended April 30,   |        
|                                     |  | 2010                   |         | 2009 |   | 2008  | 
|                                     |  | (dollars in thousands) |        
|(Benefit) provision for income taxes |  | $                      | (5,528) |      | $ | 9,131 |  | $ | (2,038 | )

The (benefit) provision
for income taxes primarily reflects current and deferred U.S. federal and state taxes and foreign income taxes in taxable foreign jurisdictions. The (benefit) provision for income taxes for the year ended April 30, 2010 was $(5.5) million
compared with $9.1 and $(2.0) million for the years ended April 30, 2009 and 2008, respectively.

Our (benefit) provision
for income taxes decreased for the year ended April 30, 2010 compared with the year ended April 30, 2009, primarily due to recognition of deferred tax assets in the current fiscal year. The provision for income taxes of $9.1 million for
fiscal 2009 is primarily related to foreign losses not benefited.

In evaluating our ability to realize our deferred tax
assets, we consider all available positive and negative evidence, including past, current, and forecasted future operating results, our history of losses or profits and forecasts of future taxable income or losses. In the fourth quarter of fiscal
2010, we determined that it is more-likely-than-not that we will realize all remaining federal and state deferred tax assets, other than capital loss carryforwards and certain tax assets (including net operating losses and tax credits in the state
of California) due to current earnings and projections of future profits. Accordingly, the Company released the valuation allowance against $10.6 million of previously unrecognized deferred tax assets during the fourth quarter of fiscal 2010. The
Company recognized an additional $14.5 million of deferred tax assets during the current fiscal year which primarily related to the utilization of previously unbenefitted tax attributes to offset current taxable income in the U.S. In addition, there
were reductions in the valuation allowance of $10.4 million that did not impact tax expense primarily related to adjustments of deferred tax assets associated with the reversals of temporary differences and the reduction of California deferred tax
assets that will not be available in the future as a result of changes in California tax law that will impact the Companys ability to utilize the assets.

As of April 30, 2010, we had net operating loss carryforwards for federal income tax purposes of approximately $217.9 million, which
will expire in fiscal years ending in 2013 through 2030, if not utilized. We also had net operating loss carryforwards for state income tax purposes of approximately $68.6 million, which will expire in fiscal years 2011 through 2030 if not utilized.
Of the total tax attributes, we have $101.6 million of federal net operating loss carryforwards and $68.0 million of state net operating loss carryforwards for which no deferred tax asset has or will be recorded until the tax benefit relating to
excess stock compensation deduction is



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realized. We also had federal and California tax credit carryforwards of approximately $14.0 million and $14.4 million, respectively. The federal research credit carryforwards will expire
starting in 2027, if not utilized. The federal alternative minimum tax credit and California credit carryforwards are not subject to expiration.

Utilization of our net operating loss and credit carryforwards are subject to substantial annual limitations due to the ownership change
provisions of the Internal Revenue Code and similar state provisions. To date, these annual limitations have resulted in the expiration of net operating loss and tax credit carryforwards before utilization of approximately $20.8 million and $3.6
million, respectively. Utilization of federal and state net operating losses of approximately $197.1 million and $68.6 million, respectively, as well as $10.4 million and $14.4 million of federal and state credits, respectively, are subject to
annual limitations ranging from approximately $7.0 million to $17.0 million. See Note 10 in the Notes to Consolidated Financial Statements for additional information.

Our total gross unrecognized tax benefits as of April 30, 2010, 2009 and 2008 were $33.9 million, $18.8 million and $2.8 million,
respectively. Included in our gross unrecognized tax benefits as of April 30, 2010 is approximately $31.8 million of tax benefits that, if recognized, would result in an adjustment to our effective tax rate.

We have elected to classify interest and penalties related to uncertain tax positions as a component of our provision for income taxes.
Accrued interest and penalties relating to our unrecognized tax benefits was approximately $1.3 million, $1.0 million, and $0.03 million as of April 30, 2010, 2009 and 2008, respectively, including approximately $0.3 million, $0.3 million and
$0.02 million charged to provision for income taxes for fiscal years 2010, 2009 and 2008, respectively.

Due to our taxable
loss position from inception through fiscal year 2007, all tax years are subject to examination in U.S. federal and state jurisdictions. We are also subject to examination in various foreign jurisdictions for tax years 2003 forward, none of which
are individually material. We are unable to anticipate the change to the balance of our unrecognized tax benefits in the next twelve months due to the possibility of tax examinations and our continued assessment of potential contingencies.

Acquisitions

On January 25, 2010, we acquired 84.5% of the outstanding shares of S7, an IT research and development outsourcing firm based in
Bangalore, India. We intend to acquire the remaining shares of S7 upon receipt of regulatory approval from the Reserve Bank of India. We acquired S7 to serve as the Companys new development center in India and to provide expertise in software
development, code migration and network security. The total purchase price was $6.4 million in cash, consisting of $4.3 million for the initial shares acquired and $0.8 million of payable for the noncontrolling interest (which amounts include an
allocation of $1.1 million for excess working capital remaining as of the closing date), and $1.3 million payable over the 30 months subsequent to the closing date. Under the stock purchase agreement, the selling shareholders will indemnify us for
up to $1.3 million for damages caused by inaccuracies in, breaches or violations of or defaults under representations, warranties, covenants or agreements. Any such amounts may be withheld from the $1.3 million remaining due under the purchase
agreement. In connection with the acquisition, we recognized $0.1 million of transaction costs, which are included in general and administrative expenses in our consolidated statement of operations. In addition, we agreed to pay potential retention
bonuses up to an aggregate amount of $2.0 million to certain S7 shareholders who were also employees. Payment of these bonuses is contingent upon the performance of post-acquisition services by those shareholders over the 30 months subsequent to the
closing date. Our acquisition of S7 did not result in the creation of a new business segment.

We acquired Packeteer, a
provider of sophisticated Wide Area Network traffic prioritization technologies, on June 6, 2008, by means of a merger of our wholly-owned subsidiary with and into Packeteer, such that Packeteer became our wholly-owned subsidiary. We acquired
Packeteer, among other things, to add to our



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product portfolio products that identify and classify the applications on the network and monitor application response times and utilization. The total purchase price was $278.6 million, which
consisted of $264.0 million in cash paid to acquire the outstanding common stock of Packeteer, $4.6 million for the fair value of vested Packeteer equity awards assumed and $10.0 million in cash for direct transaction costs. Our acquisition of
Packeteer did not result in the creation of a new business segment.

Liquidity and Capital Resources

Since our inception, we have financed our operations and capital expenditures through cash provided by operating activities, private sales
of preferred and common stock, bank loans, equipment leases, private sales of convertible notes and warrants and an initial public offering of our common stock.

Cash and Cash Equivalents, Restricted Cash and Short-Term Investments

We consider all highly liquid investments with insignificant interest rate risk and original maturities of three months or less to be cash
equivalents. We determine the appropriate classification of our investments at the time of purchase and evaluate such designation as of each balance sheet date based on our intent and whether it is more likely than not that we will be required to
sell the instrument before recovery of its amortized cost basis. To date, all of our short-term investments have been classified as available-for-sale and are carried at fair value, with unrealized gains and losses, excluding the portion relating to
credit loss, if any, included in accumulated other comprehensive income (loss) in stockholders equity. The fair value of these securities is determined based on quoted market prices in active markets.

As of April 30, 2010, we had cash and cash equivalents of $236.3 million and restricted cash of $1.0 million. We believe our
existing cash and cash equivalents and anticipated cash from operations will be sufficient to meet our operating requirements for at least the next twelve months, including working capital requirements and capital expenditures. We may seek to raise
additional capital to strengthen our financial condition, facilitate expansion and pursue strategic acquisitions or investments, or to take advantage of other business opportunities as they arise.

The following summarizes our cash and cash equivalents, restricted cash and short-term investments:



|                           |  |                        |         |   |      |   |         |      |  |   |         |  
|-------------------------- |  | ---------------------- | ------- | - | ---- | - | ------- | ---- |  | - | ------- | -
|                           |  | April 30,              |        
|                           |  | 2010                   |         |   | 2009 |   |         | 2008 | 
|                           |  | (dollars in thousands) |        
|Cash and cash equivalents  |  | $                      | 236,347 |   |      | $ | 114,163 |      |  | $ | 160,974 |  
|Short-term investments     |  |                        |        |   |      |   |        |      |  |   | 1,204   |  
|Restricted cash            |  |                        | 986     |   |      |   | 850     |      |  |   | 861     |  
|                           |  |                        |         |   |      |   |         |      |  |   |         |  
|                           |  | $                      | 237,333 |   |      | $ | 115,013 |      |  | $ | 163,039 |  
|                           |  |                        |         |   |      |   |         |      |  |   |         |  
|Percentage of total assets |  |                        | 34.0    | % |      |   | 20.5    | %    |  |   | 42.0    | %
|                           |  |                        |         |   |      |   |         |      |  |   |         |  

Cash Flows



|                                                     |  |                      |         |   |      |   |          |      |  |   |        
|---------------------------------------------------- |  | -------------------- | ------- | - | ---- | - | -------- | ---- |  | - | -------
|                                                     |  | Year Ended April 30,
|                                                     |  | 2010                 |         |   | 2009 |   |          | 2008
|                                                     |  | (in thousands)      
|Cash provided by operating activities                |  | $                    | 96,783  |   |      | $ | 57,710   |      |  | $ | 56,901 
|Cash (used in) provided by investing activities      |  |                      | (21,692 | ) |      |   | (196,650 | )    |  |   | 10,267 
|Cash provided by financing activities                |  |                      | 47,093  |   |      |   | 92,129   |      |  |   | 43,793 
|                                                     |  |                      |         |   |      |   |          |      |  |   |        
|Net increase (decrease) in cash and cash equivalents |  | $                    | 122,184 |   |      | $ | (46,811  | )    |  | $ | 110,961
|                                                     |  |                      |         |   |      |   |          |      |  |   |        



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Cash Flows from Operating Activities: Our largest source of operating cash is cash
collected from our customers who purchase our products and services. Our primary uses of cash from operating activities are for personnel-related costs, product costs, and facility costs.

Fiscal 2010 compared with Fiscal 2009:Net cash provided by operating activities was $96.8 million in fiscal 2010 compared with
$57.7 million in fiscal 2009. In fiscal 2010, we had significantly higher net income after excluding the impact of non-cash charges such as stock-based compensation, depreciation and amortization expense, partially offset by lower working capital
sources of cash compared to the prior fiscal year. Net working capital sources of cash resulted from higher cash collections, higher accrued liabilities and higher deferred revenue. Higher cash collections were reflected by our decrease in days
sales outstanding from 57 at April 30, 2009 to 44 at April 30, 2010. The increase in deferred revenue was a result of an increase in both new and renewal service contracts. Accrued liabilities increased primarily due to an increase in
long-term income taxes payable as a result of our significantly higher net income in the current fiscal year. These sources of cash were partially offset by working capital uses of cash, including a decrease in accounts payable due primarily to
timing of payments to vendors.

Fiscal 2009 compared with Fiscal 2008: Net cash provided by operating activities was
$57.7 million for fiscal 2009 compared with $56.9 million in the comparable prior fiscal year period. The increase in operating cash flow was primarily due to higher cash collections, reflected by our days sales outstanding decreasing from 60 days
at April 30, 2008 to 57 days at April 30, 2009. These increases were partially offset by lower net income and certain payments made related to our Packeteer acquisition, including transaction costs, severance payments and other liabilities
assumed as a result of the Packeteer acquisition.

Cash Flows from Investing Activities:The changes in cash flows from
investing activities primarily related to acquisitions and purchases of property and equipment, and technology licenses.

Fiscal 2010 compared with Fiscal 2009:Net cash used by investing activities was $21.7 million in fiscal 2010 compared with $196.7
million in fiscal 2009. The net cash used by our investing activities in fiscal 2010 primarily consisted of purchases of property and equipment, and technology licenses and cash used to purchase S7 of $3.8 million, net of cash acquired.

Fiscal 2009 compared with Fiscal 2008:Net cash used by investing activities was $196.7 million for fiscal 2009
compared with $10.3 million provided by investing activities in fiscal 2008. The increase in cash used by investing activities in comparison to fiscal 2008 was primarily due to cash used to purchase Packeteer of $170.6 million, net of cash acquired,
and $27.3 million of increased purchases of property and equipment. Fiscal 2008 included $25.3 million of cash used for the purchase of Packeteer common stock and $11.2 million used for the purchase of property and equipment, partially offset by
$4.1 million related to the escrow release from the NetCache acquisition and net proceeds from the sale and maturities and purchases of investment securities of $42.7 million.

Cash Flows from Financing Activities:The changes in cash flows from financing activities primarily related to proceeds from
issuance of debt obligations as well as proceeds from issuances of common stock.

Fiscal 2010 compared with
Fiscal 2009:Net cash provided by financing activities was $47.1 million in fiscal 2010 compared with $92.1 million provided in fiscal 2009. The net cash provided by our financing activities in fiscal 2010 primarily consisted of
the proceeds from the exercise of employee stock options, which were significantly higher compared with the prior period due to increases in our stock price during the current fiscal year, and purchases of our stock under our employee stock purchase
plan.

Fiscal 2009 compared with Fiscal 2008:Net cash provided by financing activities was $92.1 million
for fiscal 2009 compared with $43.8 million provided in fiscal 2008. The increase in financing activities was primarily due to the net proceeds of $79.7 million from our issuance of the convertible senior notes and associated warrants, partially
offset by lower employee stock option exercises and purchases of our stock under



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our employee stock purchase plan and related tax benefits. The net cash provided by our financing activities for fiscal 2008 primarily consisted of proceeds from the exercise of employee stock
options and purchases of our stock under our employee stock purchase plan.

Convertible Senior Notes

On June 2, 2008, we issued $80.0 million aggregate principal amount of Zero Coupon Convertible Senior Notes due June 2, 2013
(the Convertible Senior Notes) and warrants (the Warrants) to purchase an aggregate of 385,356 shares of our common stock at an exercise price of $20.76 to Manchester Securities Corp., an affiliate of Elliott Associates, L.P.
(Manchester) and Francisco Partners II, L.P. and Francisco Partners Parallel Fund II, L.P. (together, the FP Entities) in a private placement. As of April 30, 2010, the Convertible Senior Notes were reported on our
consolidated balance sheet at $77.2 million, net of a discount of $2.8 million primarily related to the value assigned to the Warrants, which is being amortized to interest expense over the life of the Convertible Senior Notes.

Our long-term liquidity strategy is to maintain a minimum amount of cash and cash equivalents for operational purposes and to invest the
remaining amount of our cash in interest bearing and highly liquid cash equivalents.

Contractual Obligations

Below is a summary of fixed payments related to certain contractual obligations as of April 30, 2010:



|                                           |  |                      |        |      |   |       |  |      |       |      |   |            |  |       |       |  |   |       |  |   |        
|------------------------------------------ |  | -------------------- | ------ | ---- | - | ----- |  | ---- | ----- | ---- | - | ---------- |  | ----- | ----- |  | - | ----- |  | - | -------
|                                           |  | Year Ended April 30,
|                                           |  | 2011                 |        | 2012 |   | 2013  |  | 2014 |       | 2015 |   | Thereafter |  | Total
|                                           |  | (in thousands)      
|Convertible Senior Notes                   |  | $                    |       |      | $ |      |  | $    |      |      | $ | 80,000     |  | $     |      |  | $ |      |  | $ | 80,000 
|Future minimum operating lease payments    |  |                      | 10,008 |      |   | 9,324 |  |      | 9,145 |      |   | 8,143      |  |       | 7,536 |  |   | 5,782 |  |   | 49,938 
|Purchase obligations and other commitments |  |                      | 5,250  |      |   |      |  |      |      |      |   |           |  |       |      |  |   |      |  |   | 5,250  
|                                           |  |                      |        |      |   |       |  |      |       |      |   |            |  |       |       |  |   |       |  |   |        
|Total                                      |  | $                    | 15,258 |      | $ | 9,324 |  | $    | 9,145 |      | $ | 88,143     |  | $     | 7,536 |  | $ | 5,782 |  | $ | 135,188
|                                           |  |                      |        |      |   |       |  |      |       |      |   |            |  |       |       |  |   |       |  |   |        

We lease certain office equipment and office
facilities under non-cancelable operating leases that expire at various dates through 2020. The facility leases generally require us to pay operating costs, including property taxes, insurance and maintenance, and contain scheduled rent increases
and certain other rent escalation clauses. Rent expense is recognized in our consolidated financial statements on a straight-line basis over the terms of the respective leases after consideration of rent holidays and improvement allowances, if
applicable. Any assets purchased using a lessee improvement allowance are capitalized as fixed assets and depreciated over the shorter of their useful lives or the lease term.

At April 30, 2010, we had a liability for unrecognized tax benefits of $26.0 million. Due to uncertainties with respect to the
timing of future cash flows associated with our unrecognized tax benefits at April 30, 2010, we are unable to make reasonably reliable estimates of the period of cash settlement with the applicable taxing authority. Therefore, $26.0 million of
unrecognized tax benefits have been excluded from the contractual obligations table above. See Note 10 in the Notes to Consolidated Financial Statements for a discussion of income taxes.

We purchase components from a variety of suppliers and use several contract manufacturers to provide manufacturing services for our
products. During the normal course of business, in order to manage manufacturing lead times and help ensure adequate component supply, we enter into agreements with contract manufacturers and suppliers that either allow them to procure inventory
based upon criteria as defined by us or that establish the parameters defining our requirements. A significant portion of our reported purchase commitments arising from these agreements consists of firm, noncancelable, and unconditional commitments.
In



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certain instances, these agreements allow us the option to cancel, reschedule, and adjust our requirements based on our business needs prior to firm orders being placed. These agreements are
enforceable and legally binding against us in the short term and all amounts under these arrangements are due to be paid by the end of fiscal 2011. As of April 30, 2010 our total purchase commitments for inventory were $5.3 million.

Off-Balance Sheet Arrangements

As of April 30, 2010, we did not have any relationships with unconsolidated entities or financial partnerships, such as entities
often referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet arrangements or for other contractually narrow or limited purposes. Further, we have not
guaranteed any obligations of unconsolidated entities, nor do we have any commitment or intent to provide funding to any such entities. As such, we are not materially exposed to any market, credit, liquidity or financing risk that could arise if we
had engaged in such relationships.

As of April 30, 2010, we did not have any off-balance sheet transactions,
arrangements, or obligations that are reasonably likely to have a material current or future effect on our financial condition, results of operations, liquidity, or capital resources.

Recent Accounting Pronouncements

For information with respect to recent accounting pronouncements and the impact of these pronouncements on our consolidated financial
statements, see Note 1 of Notes to Consolidated Financial Statements.

Item 7A. Quantitative and
Qualitative Disclosures about Market Risk

We are subject to certain market risks, including changes in exchange rates and
interest rates. We do not undertake any specific actions to cover our exposures to exchange and interest rate risks, and we are not a party to any risk management transactions. We also do not purchase or hold any derivative financial instruments for
hedging, speculative or trading purposes.

Interest Rate Risk

Our exposure to market risk for changes in interest rates relates primarily to our investment portfolio. As of April 30, 2010, we had
cash and cash equivalents of $236.3 million and restricted cash of $1.0 million. These amounts were primarily held in money market funds. We maintain a conservative investment policy, which is intended to enhance the safety and preservation of our
invested funds by limiting default risk, market risk and reinvestment risk. The fair value of our investment portfolio would not be significantly impacted by either a 100 basis point increase or decrease in market interest rates, given the
short-term nature of the majority of our investment portfolio.

Foreign Currency Exchange Rate Risk

We primarily develop products in the United States and sell them throughout the world. As a result, our financial results are affected by
factors such as changes in foreign currency exchange rates and economic conditions in foreign markets. Since all of our sales are currently invoiced and collected in U.S. dollars, a strengthening of the dollar could potentially make our products
less price-competitive in foreign markets. As a significant portion of our net revenue and earnings are derived from international operations, this could adversely affect our net revenue and earnings. For the fiscal years 2010, 2009 and 2008,
approximately 55.5%, 55.0%, and 51.9%, respectively, of our total net revenue was derived from customers outside of the Americas. In contrast, substantially all of the expenses of operating our foreign subsidiaries are incurred in foreign
currencies, which to date have constituted an insignificant portion of our total operating expenses. As a result, our U.S. dollar earnings and net cash flows from international operations may be affected by changes in foreign currency exchange
rates. The foreign currency translation risk associated with our international operations has been material in the past and could be material in the future.



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Item 8. Financial Statements and Supplementary Data

Index to Consolidated Financial Statements



|                                                                                                  |  |     
|------------------------------------------------------------------------------------------------- |  | ----
|                                                                                                  |  | Page
|Report of Independent Registered Public Accounting Firm                                           |  | 51  
|                                                                                                  | 
|Consolidated Balance Sheets as of April 30, 2010 and 2009                                         |  | 52  
|                                                                                                  | 
|Consolidated Statements of Operations for the years ended April 30, 2010, 2009 and
2008           |  | 53  
|                                                                                                  | 
|Consolidated Statements of Stockholders Equity for the years ended April 30, 2010, 2009 and
2008 |  | 54  
|                                                                                                  | 
|Consolidated Statements of Cash Flows for the years ended April 30, 2010, 2009 and
2008           |  | 55  
|                                                                                                  | 
|Notes to Consolidated Financial Statements                                                        |  | 56  



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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors and Stockholders of Blue Coat Systems, Inc.

We have audited the accompanying consolidated balance sheets of Blue Coat Systems, Inc. as of April 30, 2010 and 2009, and the
related consolidated statements of operations, stockholders equity, and cash flows for each of the three years in the period ended April 30, 2010. Our audits also included the financial statement schedule listed in the index at
Item 15(2). These financial statements and schedule are the responsibility of the Companys management. Our responsibility is to express an opinion on these financial statements and schedule based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those
standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits
provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all
material respects, the consolidated financial position of Blue Coat Systems, Inc. at April 30, 2010 and 2009, and the consolidated results of its operations and its cash flows for each of the three years in the period ended April 30, 2010,
in conformity with U.S. generally accepted accounting principles. Also, in our opinion, the related financial statement schedule, when considered in relation to the basic financial statements taken as a whole, presents fairly in all material
respects the information set forth therein.

We also have audited, in accordance with the standards of the Public Company
Accounting Oversight Board (United States), Blue Coat Systems, Inc.s internal control over financial reporting as of April 30, 2010, based on criteria established in Internal ControlIntegrated Framework issued by the Committee of
Sponsoring Organizations of the Treadway Commission and our report dated June 7, 2010 expressed an unqualified opinion thereon.

/s/ ERNST & YOUNG LLP

San Jose, California

June 7, 2010



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BLUE COAT SYSTEMS, INC.

CONSOLIDATED BALANCE SHEETS

(In thousands, except par value)



|                                                                                                                                                     |  |               |           |   |               |   |           |  
|---------------------------------------------------------------------------------------------------------------------------------------------------- |  | ------------- | --------- | - | ------------- | - | --------- | -
|                                                                                                                                                     |  | April 30,2010 |           |   | April 30,2009 |  
|ASSETS                                                                                                                                               |  |               |           |   |               |   |           |  
|Current assets:                                                                                                                                      |  |               |           |   |               |   |           |  
|Cash and cash equivalents                                                                                                                            |  | $             | 236,347   |   |               | $ | 114,163   |  
|Accounts receivable, net of allowance of $235 and $1,420 as of April 30, 2010 and 2009, respectively                                                 |  |               | 64,204    |   |               |   | 77,161    |  
|Inventory                                                                                                                                            |  |               | 6,010     |   |               |   | 5,700     |  
|Prepaid expenses and other current assets                                                                                                            |  |               | 15,526    |   |               |   | 13,113    |  
|Current portion of deferred income tax assets                                                                                                        |  |               | 10,980    |   |               |   | 7,941     |  
|                                                                                                                                                     |  |               |           |   |               |   |           |  
|Total current assets                                                                                                                                 |  |               | 333,067   |   |               |   | 218,078   |  
|Property and equipment, net                                                                                                                          |  |               | 33,684    |   |               |   | 34,955    |  
|Restricted cash                                                                                                                                      |  |               | 986       |   |               |   | 850       |  
|Goodwill                                                                                                                                             |  |               | 242,611   |   |               |   | 238,466   |  
|Identifiable intangible assets, net                                                                                                                  |  |               | 37,033    |   |               |   | 48,774    |  
|Non-current portion of deferred income tax assets                                                                                                    |  |               | 41,517    |   |               |   | 19,412    |  
|Other assets                                                                                                                                         |  |               | 7,140     |   |               |   | 1,758     |  
|                                                                                                                                                     |  |               |           |   |               |   |           |  
|Total assets                                                                                                                                         |  | $             | 696,038   |   |               | $ | 562,293   |  
|                                                                                                                                                     |  |               |           |   |               |   |           |  
|LIABILITIES AND STOCKHOLDERS EQUITY                                                                                                                 |  |               |           |   |               |   |           |  
|Current liabilities:                                                                                                                                 |  |               |           |   |               |   |           |  
|Accounts payable                                                                                                                                     |  | $             | 15,000    |   |               | $ | 24,105    |  
|Accrued payroll and related benefits                                                                                                                 |  |               | 16,254    |   |               |   | 18,374    |  
|Deferred revenue                                                                                                                                     |  |               | 104,050   |   |               |   | 96,656    |  
|Other current liabilities                                                                                                                            |  |               | 12,921    |   |               |   | 12,299    |  
|                                                                                                                                                     |  |               |           |   |               |   |           |  
|Total current liabilities                                                                                                                            |  |               | 148,225   |   |               |   | 151,434   |  
|Deferred revenue, less current portion                                                                                                               |  |               | 50,172    |   |               |   | 33,923    |  
|Deferred rent, less current portion                                                                                                                  |  |               | 6,427     |   |               |   | 5,703     |  
|Long-term income taxes payable                                                                                                                       |  |               | 25,989    |   |               |   | 12,677    |  
|Other non-current liabilities                                                                                                                        |  |               | 1,193     |   |               |   | 600       |  
|Convertible senior notes                                                                                                                             |  |               | 77,241    |   |               |   | 76,347    |  
|Commitments and contingencies                                                                                                                        |  |               |           |   |               |   |           |  
|Blue Coat stockholders equity:                                                                                                                      |  |               |           |   |               |   |           |  
|Preferred stock: $0.0001 par value; issuable in series; 9,958 shares authorized; none issued and outstanding                                         |  |               |          |   |               |   |          |  
|Common stock: $0.0001 par value; 200,000 shares authorized; 42,662 and 39,713 shares issued and outstanding at April 30,
2010 and 2009, respectively |  |               | 3         |   |               |   | 2         |  
|Additional paid-in capital                                                                                                                           |  |               | 1,231,032 |   |               |   | 1,168,106 |  
|Treasury stock, at cost; 397 and 330 shares held at April 30, 2010 and 2009, respectively                                                            |  |               | (3,035    | ) |               |   | (1,629    | )
|Accumulated deficit                                                                                                                                  |  |               | (841,991  | ) |               |   | (884,870  | )
|                                                                                                                                                     |  |               |           |   |               |   |           |  
|Total Blue Coat stockholders equity                                                                                                                 |  |               | 386,009   |   |               |   | 281,609   |  
|                                                                                                                                                     |  |               |           |   |               |   |           |  
|Noncontrolling interest                                                                                                                              |  |               | 782       |   |               |   |          |  
|                                                                                                                                                     |  |               |           |   |               |   |           |  
|Total stockholders equity                                                                                                                           |  |               | 386,791   |   |               |   | 281,609   |  
|                                                                                                                                                     |  |               |           |   |               |   |           |  
|Total liabilities and stockholders equity                                                                                                           |  | $             | 696,038   |   |               | $ | 562,293   |  
|                                                                                                                                                     |  |               |           |   |               |   |           |  

The accompanying notes are an integral part of these Consolidated Financial Statements.



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BLUE COAT SYSTEMS, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share data)



|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|---------------------------------------------------------------------- |  | -------------------- | ------- | - | ---- | - | ------- | ---- |  | - | ------- | -
|                                                                       |  | Year Ended April 30, |        
|                                                                       |  | 2010                 |         |   | 2009 |   |         | 2008 | 
|Net revenue:                                                           |  |                      |         |   |      |   |         |      |  |   |         |  
|Product                                                                |  | $                    | 322,101 |   |      | $ | 305,601 |      |  | $ | 233,858 |  
|Service                                                                |  |                      | 174,036 |   |      |   | 139,144 |      |  |   | 71,581  |  
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Total net revenue                                                      |  |                      | 496,137 |   |      |   | 444,745 |      |  |   | 305,439 |  
|Cost of net revenue:                                                   |  |                      |         |   |      |   |         |      |  |   |         |  
|Product                                                                |  |                      | 77,300  |   |      |   | 85,825  |      |  |   | 48,056  |  
|Service                                                                |  |                      | 48,333  |   |      |   | 45,310  |      |  |   | 23,389  |  
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Total cost of net revenue                                              |  |                      | 125,633 |   |      |   | 131,135 |      |  |   | 71,445  |  
|Gross profit                                                           |  |                      | 370,504 |   |      |   | 313,610 |      |  |   | 233,994 |  
|Operating expenses:                                                    |  |                      |         |   |      |   |         |      |  |   |         |  
|Sales and marketing                                                    |  |                      | 179,725 |   |      |   | 178,470 |      |  |   | 128,927 |  
|Research and development                                               |  |                      | 84,930  |   |      |   | 76,680  |      |  |   | 51,587  |  
|General and administrative                                             |  |                      | 47,010  |   |      |   | 47,679  |      |  |   | 27,909  |  
|Amortization of intangible assets                                      |  |                      | 7,289   |   |      |   | 6,667   |      |  |   | 450     |  
|Restructuring                                                          |  |                      | 12,551  |   |      |   | 1,546   |      |  |   |        |  
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Total operating expenses                                               |  |                      | 331,505 |   |      |   | 311,042 |      |  |   | 208,873 |  
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Operating income                                                       |  |                      | 38,999  |   |      |   | 2,568   |      |  |   | 25,121  |  
|Interest income                                                        |  |                      | 303     |   |      |   | 1,302   |      |  |   | 6,127   |  
|Interest expense                                                       |  |                      | (918    | ) |      |   | (885    | )    |  |   | (257    | )
|Other expense, net                                                     |  |                      | (1,033  | ) |      |   | (2,362  | )    |  |   | (461    | )
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Income before income taxes                                             |  |                      | 37,351  |   |      |   | 623     |      |  |   | 30,530  |  
|(Benefit) provision for income taxes                                   |  |                      | (5,528  | ) |      |   | 9,131   |      |  |   | (2,038  | )
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Net income (loss)                                                      |  | $                    | 42,879  |   |      | $ | (8,508  | )    |  | $ | 32,568  |  
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Net income (loss) per share:                                           |  |                      |         |   |      |   |         |      |  |   |         |  
|Basic                                                                  |  | $                    | 0.97    |   |      | $ | (0.22   | )    |  | $ | 0.93    |  
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Diluted                                                                |  | $                    | 0.93    |   |      | $ | (0.22   | )    |  | $ | 0.82    |  
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Weighted average shares used in computing net income (loss) per share: |  |                      |         |   |      |   |         |      |  |   |         |  
|Basic                                                                  |  |                      | 44,326  |   |      |   | 38,493  |      |  |   | 35,179  |  
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  
|Diluted                                                                |  |                      | 45,980  |   |      |   | 38,493  |      |  |   | 39,659  |  
|                                                                       |  |                      |         |   |      |   |         |      |  |   |         |  

The accompanying notes are an integral part of these Consolidated Financial Statements.



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BLUE COAT SYSTEMS, INC.

CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY

(In thousands)



|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|------------------------------------------------------------------------------------------ |  | ------------ |  | ------------------------ | - |  | -------------- | --------- | - | ------------------ | ---- | - | ------------------------------------------ | - | ------ | ---------------------- |  | ----- | -------- | - |  | - | ---- | - |  | - | --- |  | - | ------- | -
|                                                                                           |  | Common Stock |  | AdditionalPaid-InCapital |   |  | Treasury Stock |           |   | AccumulatedDeficit |      |   | AccumulatedOtherComprehensiveIncome (Loss) |   |        | Noncontrollinginterest |  | Total |         
|                                                                                           |  | Shares       |  | Amount                   |   |  | Shares         |           |   | Amount             |      |   |                                            |   |       
|Balances at April 30, 2007                                                                 |  | 30,218       |  | $                        | 2 |  | $              | 1,028,409 |   |                    | (276 | ) |                                            | $ | (903   | )                      |  | $     | (908,930 | ) |  | $ | 11   |   |  | $ |    |  | $ | 118,589 |  
|Components of comprehensive income:                                                        |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Net income                                                                                 |  |             |  |                          |  |  |                |          |   |                    |     |   |                                            |   |       |                        |  |       | 32,568   |   |  |   |     |   |  |   |    |  |   | 32,568  |  
|Net unrealized loss on available for sale securities                                       |  |             |  |                          |  |  |                |          |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   | (190 | ) |  |   |    |  |   | (190    | )
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Total comprehensive income                                                                 |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   | 32,378  |  
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Common shares issued under stock option and stock purchase plans                           |  | 3,525        |  |                          |  |  |                | 29,793    |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | 29,793  |  
|Tender offer                                                                               |  |             |  |                          |  |  |                | (2,683    | ) |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | (2,683  | )
|Tax benefit from stock-based awards                                                        |  |             |  |                          |  |  |                | 14,518    |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | 14,518  |  
|Stock-based compensation expenses                                                          |  |             |  |                          |  |  |                | 16,806    |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | 16,806  |  
|Conversion of preferred stock into common                                                  |  | 4,800        |  |                          |  |  |                | 42,060    |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | 42,060  |  
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Balances at April 30, 2008                                                                 |  | 38,543       |  |                          | 2 |  |                | 1,128,903 |   |                    | (276 | ) |                                            |   | (903   | )                      |  |       | (876,362 | ) |  |   | (179 | ) |  |   |    |  |   | 251,461 |  
|Components of comprehensive loss:                                                          |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Net loss                                                                                   |  |             |  |                          |  |  |                |          |   |                    |     |   |                                            |   |       |                        |  |       | (8,508   | ) |  |   |     |   |  |   |    |  |   | (8,508  | )
|Net unrealized gain on available for sale securities                                       |  |             |  |                          |  |  |                |          |   |                    |     |   |                                            |   |       |                        |  |       |          |   |  |   | 179  |   |  |   |    |  |   | 179     |  
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Total comprehensive loss                                                                   |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   | (8,329  | )
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Common shares issued under stock option and stock purchase plans                           |  | 1,500        |  |                          |  |  |                | 12,943    |   |                    | (54  | ) |                                            |   | (726   | )                      |  |       |         |   |  |   |     |   |  |   |    |  |   | 12,217  |  
|Fair value of equity awards assumed in connection with Packeteer acquisition               |  |             |  |                          |  |  |                | 4,610     |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | 4,610   |  
|Issuance of Convertible Senior Notes and Warrants, including beneficial conversion feature |  |             |  |                          |  |  |                | 4,055     |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | 4,055   |  
|Tax expense from stock-based awards                                                        |  |             |  |                          |  |  |                | (890      | ) |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | (890    | )
|Stock-based compensation expenses                                                          |  |             |  |                          |  |  |                | 18,485    |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | 18,485  |  
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Balances at April 30, 2009                                                                 |  | 40,043       |  |                          | 2 |  |                | 1,168,106 |   |                    | (330 | ) |                                            |   | (1,629 | )                      |  |       | (884,870 | ) |  |   |     |   |  |   |    |  |   | 281,609 |  
|Components of comprehensive income:                                                        |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Net income                                                                                 |  |             |  |                          |  |  |                |          |   |                    |     |   |                                            |   |       |                        |  |       | 42,879   |   |  |   |     |   |  |   |    |  |   | 42,879  |  
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Total comprehensive income                                                                 |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   | 42,879  |  
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Common shares issued under stock option and stock purchase plans                           |  | 3,016        |  |                          | 1 |  |                | 41,687    |   |                    | (67  | ) |                                            |   | (1,406 | )                      |  |       |         |   |  |   |     |   |  |   |    |  |   | 40,282  |  
|Noncontrolling interest in connection with S7 acquisition                                  |  |             |  |                          |  |  |                |          |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   | 782 |  |   | 782     |  
|Tax benefit from stock-based awards                                                        |  |             |  |                          |  |  |                | 1,897     |   |                    |     |   |                                            |   |       |                        |  |       |         |   |  |   |     |   |  |   |    |  |   | 1,897   |  
|Stock-based compensation expenses                                                          |  |             |  |                          |  |  |                | 19,342    |   |                    |     |   |                                            |   |       |                        |  |       |          |   |  |   |      |   |  |   |    |  |   | 19,342  |  
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  
|Balances at April 30, 2010                                                                 |  | 43,059       |  | $                        | 3 |  | $              | 1,231,032 |   |                    | (397 | ) |                                            | $ | (3,035 | )                      |  | $     | (841,991 | ) |  | $ |     |   |  | $ | 782 |  | $ | 386,791 |  
|                                                                                           |  |              |  |                          |   |  |                |           |   |                    |      |   |                                            |   |        |                        |  |       |          |   |  |   |      |   |  |   |     |  |   |         |  

The accompanying notes are an integral part of these Consolidated Financial Statements.



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BLUE COAT SYSTEMS, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)



|                                                                                         |  |                      |         |   |      |   |          |      |  |   |          |  
|---------------------------------------------------------------------------------------- |  | -------------------- | ------- | - | ---- | - | -------- | ---- |  | - | -------- | -
|                                                                                         |  | Year Ended April 30, |        
|                                                                                         |  | 2010                 |         |   | 2009 |   |          | 2008 | 
|Operating Activities                                                                     |  |                      |         |   |      |   |          |      |  |   |          |  
|Net income (loss)                                                                        |  | $                    | 42,879  |   |      | $ | (8,508   | )    |  | $ | 32,568   |  
|Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |                      |         |   |      |   |          |      |  |   |          |  
|Depreciation                                                                             |  |                      | 14,651  |   |      |   | 10,429   |      |  |   | 5,557    |  
|Amortization                                                                             |  |                      | 13,736  |   |      |   | 12,610   |      |  |   | 2,026    |  
|Stock-based compensation                                                                 |  |                      | 19,342  |   |      |   | 18,485   |      |  |   | 16,806   |  
|Deferred income taxes                                                                    |  |                      | (25,200 | ) |      |   | 3,463    |      |  |   | (19,644  | )
|Tax benefit (expense) of stock option deduction                                          |  |                      | 1,897   |   |      |   | (890     | )    |  |   | 14,518   |  
|Excess tax benefit from stock-based compensation                                         |  |                      | (6,811  | ) |      |   | (255     | )    |  |   | (14,000  | )
|Loss on disposition of equipment                                                         |  |                      | 555     |   |      |   | 300      |      |  |   | 18       |  
|Changes in operating assets and liabilities:                                             |  |                      |         |   |      |   |          |      |  |   |          |  
|Accounts receivable, net                                                                 |  |                      | 13,642  |   |      |   | (6,883   | )    |  |   | (26,977  | )
|Inventory                                                                                |  |                      | (310    | ) |      |   | 20,221   |      |  |   | 227      |  
|Prepaid expenses and other assets                                                        |  |                      | (4,036  | ) |      |   | (3,667   | )    |  |   | (99      | )
|Accounts payable                                                                         |  |                      | (9,105  | ) |      |   | 3,209    |      |  |   | 6,644    |  
|Accrued expenses and other liabilities                                                   |  |                      | 11,900  |   |      |   | (15,823  | )    |  |   | 5,465    |  
|Deferred revenue                                                                         |  |                      | 23,643  |   |      |   | 25,019   |      |  |   | 33,792   |  
|                                                                                         |  |                      |         |   |      |   |          |      |  |   |          |  
|Net cash provided by operating activities                                                |  |                      | 96,783  |   |      |   | 57,710   |      |  |   | 56,901   |  
|Investing Activities                                                                     |  |                      |         |   |      |   |          |      |  |   |          |  
|Purchases of property and equipment, and technology licenses                             |  |                      | (17,793 | ) |      |   | (27,286  | )    |  |   | (11,241  | )
|Restricted cash                                                                          |  |                      | (136    | ) |      |   |         |      |  |   |         |  
|Proceeds from sale and maturities of short-term investments                              |  |                      |        |   |      |   | 1,216    |      |  |   | 164,489  |  
|Purchases of short-term investments                                                      |  |                      |        |   |      |   |         |      |  |   | (121,831 | )
|Acquisitions, net of cash acquired and prior investment                                  |  |                      | (3,763  | ) |      |   | (170,580 | )    |  |   | (21,150  | )
|                                                                                         |  |                      |         |   |      |   |          |      |  |   |          |  
|Net cash (used in) provided by investing activities                                      |  |                      | (21,692 | ) |      |   | (196,650 | )    |  |   | 10,267   |  
|Financing Activities                                                                     |  |                      |         |   |      |   |          |      |  |   |          |  
|Net proceeds from issuance of common stock                                               |  |                      | 40,282  |   |      |   | 12,217   |      |  |   | 29,793   |  
|Excess tax benefit from stock-based compensation                                         |  |                      | 6,811   |   |      |   | 255      |      |  |   | 14,000   |  
|Net proceeds from issuance of convertible senior notes                                   |  |                      |        |   |      |   | 79,657   |      |  |   |         |  
|                                                                                         |  |                      |         |   |      |   |          |      |  |   |          |  
|Net cash provided by financing activities                                                |  |                      | 47,093  |   |      |   | 92,129   |      |  |   | 43,793   |  
|                                                                                         |  |                      |         |   |      |   |          |      |  |   |          |  
|Net increase (decrease) in cash and cash equivalents                                     |  |                      | 122,184 |   |      |   | (46,811  | )    |  |   | 110,961  |  
|Cash and cash equivalents at beginning of period                                         |  |                      | 114,163 |   |      |   | 160,974  |      |  |   | 50,013   |  
|                                                                                         |  |                      |         |   |      |   |          |      |  |   |          |  
|Cash and cash equivalents at end of period                                               |  | $                    | 236,347 |   |      | $ | 114,163  |      |  | $ | 160,974  |  
|                                                                                         |  |                      |         |   |      |   |          |      |  |   |          |  
|Non-cash investing and financing activities:                                             |  |                      |         |   |      |   |          |      |  |   |          |  
|Conversion of Series A redeemable convertible preferred stock                            |  | $                    |        |   |      | $ |         |      |  | $ | 42,060   |  
|Fair value of equity awards assumed in connection with acquisitions                      |  | $                    |        |   |      | $ | 4,610    |      |  | $ |         |  
|Issuance of Convertible Senior Notes and Warrants                                        |  | $                    |        |   |      | $ | 4,055    |      |  | $ |         |  
|Supplemental schedule of cash flow data:                                                 |  |                      |         |   |      |   |          |      |  |   |          |  
|Cash paid for interest                                                                   |  | $                    | 23      |   |      | $ | 65       |      |  | $ | 257      |  
|Cash paid for income taxes, net of refunds                                               |  | $                    | 4,214   |   |      | $ | 9,065    |      |  | $ | 916      |  

The accompanying notes
are an integral part of these Consolidated Financial Statements.



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Note 1. Business Description and Significant Accounting Policies

Description of Business

We design, develop and sell products and services that secure and optimize the delivery of business applications and other information to
distributed users over a Wide Area Network (WAN), or the public Internet (also known as the Web). Our products provide our end user customers with information about the applications and Web traffic running on their networks, including
the ability to discover, classify, manage and control communications between users and applications across internal networks, the WAN and the Internet. Our products are also designed to optimize the performance of our end users business
applications and content, whether used internally or hosted by external providers. In addition to optimizing the performance and delivery of applications, our products enable our end user customers to secure their Internet gateways and remote
computer systems by providing protection from malicious code, or malware, and objectionable content.

Our products are based
upon three core functionalities:



| |  |  | Security:Security of the delivery of business applications and protection from malware, spyware or other malicious threats, together with
centrally managed policy enforcement that enables an enterprise to set, enforce and measure compliance with its corporate IT policies. When combined with visibility, policy controls offer enterprises multiple layers of network security from
malicious threats and content.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Acceleration:Acceleration and optimization of the delivery of internal, external, real-time and customized applications across the networks of
distributed enterprises. Optimizing the delivery of business-critical applications to provide faster response times enables an enterprise to more efficiently utilize existing bandwidth and to increase its users productivity.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Visibility:Visibility of applications and users on the network to enable distributed enterprises to discover, classify, prioritize and monitor
applications, content and users according to their corporate IT policies. With centralized visibility into its application traffic, an enterprise can more efficiently monitor end user application response times and align its network investments with
changing business requirements.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

While our products are frequently sold and used individually, many of our
product and service offerings share a common architecture and work together as part of an Application Delivery Network infrastructure to enable enterprises with multiple offices and geographically decentralized employees (distributed
enterprises) to more efficiently and effectively use and secure their critical business applications and networks.

Basis of
Presentation

Our consolidated financial statements have been prepared in accordance with U.S. generally accepted
accounting principles (GAAP). The consolidated financial statements include the accounts of Blue Coat Systems, Inc. and our subsidiaries, which, with the exception of S7 Software Solutions Pvt. Ltd. (S7), are each wholly
owned. All inter-company balances and transactions have been eliminated. We record all acquisitions using the purchase method of accounting and, accordingly, include the acquired companys results of operations in our consolidated results from
the date of each acquisition. The consolidated financial statements include the accounts and operating results of S7 beginning January 25, 2010 and Packeteer, Inc. (Packeteer) beginning June 6, 2008. We classify noncontrolling
interest related to the S7 acquisition as a separate component of stockholders equity in our consolidated balance sheets. The net income attributable to the noncontrolling interest was not material to our consolidated operating results and,
therefore, was not presented separately in the consolidated statements of operations.

Reclassifications

Certain prior fiscal year amounts have been reclassified to conform to the current periods presentation. Such reclassifications were
not material and did not affect net revenues, operating income or net income.



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Use of Estimates

The preparation of consolidated financial statements and related disclosures in conformity with GAAP requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities, at the dates of the consolidated financial statements, and the reported amounts of net revenue and expenses during the
reporting periods. Actual results may differ from these estimates, and such differences could be material to our consolidated financial condition and results of operations.

Revenue Recognition

We
sell a family of proxy and other appliances, and related software and services. We operate a multiple tier channel distribution model that includes both distributors and value-added resellers. In most cases, we sell our products to distributors, who
in turn sell to value-added resellers and ultimately end users. In these cases, we ship our products from our fulfillment centers to value-added resellers who provide configuration services for the end users. In some cases, we sell directly to
value-added resellers, who in turn sell to end users. In these cases, we ship our products from our fulfillment centers directly to end users. We do not accept orders from distributors or value-added resellers when we are aware that they do not have
an order from an end user. Additionally, we provide unspecified software upgrades, on a when-and-if available basis, through maintenance contracts for most of our products. We recognize revenue when all of the following criteria are met: persuasive
evidence of an arrangement exists; delivery or performance has occurred; the sales price is fixed or determinable; and collection is probable.

We define each of the four criteria above as follows:

Persuasive evidence of an arrangement exists. Evidence of an arrangement generally consists of a purchase order issued pursuant to
the terms and conditions of a distributor or value-added reseller agreement and, in limited cases, an end user agreement.

Delivery or performance has occurred. We use shipping and related documents, or written evidence of customer acceptance, when
applicable, to verify delivery or performance. We recognize product revenue upon transfer of title and risk of loss, which generally is upon shipment to distributors, value-added resellers and end users. We generally do not have significant
obligations for future performance, such as rights of return or pricing credits, associated with our sales.

The sales price
is fixed or determinable. We assess whether the sales price is fixed or determinable based on payment terms and whether the sales price is subject to refund or adjustment.

Collection is probable. We assess probability of collection on a customer-by-customer basis. We subject our customers to a credit
review process that evaluates their financial condition and ability to pay for our products and services. If we conclude that collection is not probable based upon our initial review, we do not recognize revenue until cash is received.

For arrangements that include multiple elements, such as appliances, maintenance or software, we use the residual method to recognize
revenue for the delivered elements. Under the residual method, the amount of revenue allocated to delivered elements equals the total arrangement consideration less the aggregate fair value of any undelivered elements, provided that vendor specific
objective evidence (VSOE) of fair value exists for all undelivered elements. VSOE of fair value is based on the price charged when the element is sold separately. We analyze our stand alone maintenance renewals by stratification of sales
channel and service offering. We determine the VSOE of fair value for maintenance by analyzing our stand alone maintenance renewals and noting that a substantial majority of transactions fall within a narrow range for each stratum. In limited cases,
VSOE of fair value has been based on management determined prices. If evidence of the fair value of one or more undelivered elements does not exist, all revenue is generally deferred and recognized at the earlier of delivery of those elements or
establishment of fair value for the remaining undelivered elements. When VSOE of fair value cannot be determined for any undelivered maintenance, subscription or service element, revenue for the entire arrangement is recognized ratably over the
maintenance, subscription or service period.



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Maintenance and subscription revenue is initially deferred and recognized ratably over the
life of the contract, with the related expenses recognized as incurred. Maintenance and subscription contracts usually have a term of one to three years. Unearned maintenance and subscription revenue is included in deferred revenue.

We recognize revenue from the sale of third party Anti-Virus software net of royalties paid and classify this revenue as net service
revenue in our consolidated statements of operations.

When we bill customers for shipping, we record shipping costs in both
net revenue and cost of net revenue. If we do not charge customers for shipping, the costs incurred for shipping are reflected in cost of net revenue.

Allowance for Doubtful Accounts

We perform ongoing credit evaluations of our customers financial condition and maintain an allowance for doubtful accounts. We
analyze accounts receivable and historical bad debts, customer geographic concentrations, customer solvency, current economic and geographic trends, and changes in customer payment terms and practices when evaluating the adequacy of such allowance,
and record any required changes in the allowance account to general and administrative expense. We write off accounts receivable when they are deemed to be uncollectible.

Stock-Based Compensation

Effective May 1, 2006, we adopted the fair value recognition provisions of ASC No. 718, CompensationStock
Compensation, (ASC 718, formerly FASB Statement No. 123(R)) using the modified prospective transition method. Under that transition method, compensation expense recognized beginning on that date include:
(a) compensation expense for all unvested share-based payments granted prior to May 1, 2006, based on the grant date fair value estimated in accordance with the original provisions of FASB Statement 123; and (b) compensation
expense for all share-based payments granted on or after May 1, 2006, based on the grant date fair value estimated in accordance with the provisions of ASC 718. We use the Black-Scholes option valuation model to calculate compensation expense.

The Black-Scholes option valuation model requires the input of highly subjective assumptions, including the expected term of
options, the expected price volatility of the stock underlying such options, the risk-free interest rate, and the expected dividend rate. We are required to estimate the stock awards that we ultimately expect to vest and to reduce compensation
expense for the effects of estimated forfeitures of awards over the expense recognition period. To the extent our actual forfeitures are different than our estimates, we record a true-up for the difference in the period that the awards vest. See
Note 9 in the Notes to Consolidated Financial Statements for additional information.

Cash and Cash Equivalents and Restricted Cash

We consider all highly liquid investments with insignificant interest rate risk and original maturities of three months or
less to be cash equivalents.

Restricted cash is comprised of $1.0 million in cash and cash equivalents pledged as collateral
for three separate irrevocable letters of credit. These letters of credit currently expire in June 2010 and March 2011. The time deposits securing these letters of credit are classified as restricted cash in the accompanying consolidated balance
sheets as of April 30, 2010 and 2009, respectively.

Fair Value of Financial Instruments

Financial instruments consist of cash and cash equivalents, restricted cash, accounts receivable and payable, accrued liabilities and
Convertible Senior Notes. The carrying amounts of cash and cash equivalents, restricted cash, accounts receivable and payable and accrued liabilities approximate their respective fair values because of the short-term nature of those instruments. The
fair value of the Convertible Senior Notes is determined based on a valuation model, which utilizes quoted market prices and interest rates for similar instruments. See Note 8 for further information regarding the fair value measurements.



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Concentration and Other Risks

Financial instruments that potentially subject us to credit risk consist of money market accounts and trade receivables. We maintain
demand deposit and money market accounts with financial institutions of high credit standing. Such deposits generally are in excess of insured limits. We invest only in high-quality, investment grade securities and limit investment exposure in any
one issue. Such investments are classified as cash equivalents in our consolidated balance sheets at April 30, 2010 and 2009, respectively. We believe the financial risks associated with these financial instruments are not material, and we have
not experienced material losses from our investments in these instruments.

We do not require collateral for sales to
customers. However, we perform on-going credit evaluations of our customers financial condition and maintain an allowance for doubtful accounts. Certain of our global distributors, including their various affiliates, account for more than 10%
of our net revenue. In fiscal 2010, ComputerLinks, Westcon Group, Inc. and Arrow Enterprise Computing Solutions, Inc. accounted for 23.0%, 17.3% and 13.3% of our total net revenue, respectively. In fiscal 2009, ComputerLinks, Westcon Group, Inc. and
Arrow Enterprise Computing Solutions, Inc. accounted for 20.0%, 16.0% and 12.5% of our total net revenue, respectively. In fiscal 2008, ComputerLinks, Westcon Group, Inc. and Arrow Enterprise Computing Solutions, Inc. accounted for 18.8%, 12.5% and
12.2% of our total net revenue, respectively.

Supply Chain Liabilities and Valuation of Inventory

We outsource our manufacturing, product fulfillment and repair operations to contract manufacturers and third party logistics providers,
and a significant portion of our cost of net revenue is a result of these activities. We currently purchase several key parts and components used in the manufacture of our products from a limited number of suppliers. Generally, we have been able to
obtain an adequate supply of such parts and components. Our contract manufacturers procure components and manufacture our products based on demand forecasts that we prepare. These forecasts are based on estimates of future product demand.

Inventory consists of raw materials and finished goods. Inventory is recorded at the lower of cost (using the first-in,
first-out method) or market, after obsolescence and inventory in excess of anticipated future demand is considered. In assessing the ultimate recoverability of inventory, we are required to make estimates regarding future customer demand, last time
buy decisions, the timing of new product introductions, economic trends and market conditions.

Property and Equipment

Property and equipment are stated at cost, subject to adjustments for impairment, less accumulated depreciation and amortization.
Depreciation and amortization are provided on a straight-line basis over the following estimated useful lives:



|                              |  |                                               
|----------------------------- |  | ----------------------------------------------
|Software                      |  | 3 years                                       
|Furniture and fixtures        |  | 5 years                                       
|Computer and office equipment |  | 3-5 years                                     
|Leasehold improvements        |  | Shorter of useful life or remaining lease term

Acquisitions, Goodwill and Identifiable Intangible Assets

We account for acquired businesses using the purchase method of accounting, which requires that the assets acquired, liabilities assumed,
contractual contingencies and contingent consideration be recorded at the date of acquisition at their respective fair values. Goodwill is measured as a residual as of the acquisition date, which in most cases, results in measuring goodwill as an
excess of the purchase consideration transferred plus the fair value of any noncontrolling interest in the acquiree over the fair value of net assets acquired, including any contingent consideration. It further requires acquisition-related costs to
be recognized separately from the acquisition and expensed as incurred, restructuring costs to be expensed in periods subsequent to the acquisition



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date, and changes in accounting for deferred tax asset valuation allowances and acquired income tax uncertainties after the measurement period to impact the provision for income taxes. In
addition, acquired in-process research and development is capitalized as an intangible asset and amortized over its estimated useful life.

The fair value of identifiable intangible assets is based on significant judgments made by management. We typically engage third party
valuation appraisal firms to assist us in determining the fair values and useful lives of the assets acquired. Such valuations and useful life determinations require us to make significant estimates and assumptions. These estimates and assumptions
are based on historical experience and information obtained from the management of the acquired companies, and also include, but are not limited to, future expected cash flows earned from the product-related technology and discount rates applied in
determining the present value of those cash flows. Unanticipated events and circumstances may occur that could affect the accuracy or validity of such assumptions, estimates or actual results. Acquisition-related identifiable intangible assets are
amortized on a straight-line basis over their estimated economic lives, which are three to seven years for developed technology and patents, five years for core technology, five to seven years for customer relationships and two years for trade name.
Developed technology is comprised of products that have reached technological feasibility and are a part of the acquisitions product lines, and patents related to the design and development of those products. Customer relationships represent
the acquisitions underlying relationships with its customers. Trade name represents the fair value of brand and name recognition associated with the marketing of the acquisitions products and services.

We perform goodwill impairment tests annually during our fourth fiscal quarter, and whenever events or changes in circumstances indicate
that the carrying amount of goodwill may not be recoverable. The first step of the test identifies whether potential impairment may have occurred, and the second step of the test measures the amount of the impairment, if any. An impairment of
goodwill is recognized when the carrying amount of the assets exceeds their fair value. The process of evaluating the potential impairment of goodwill is highly subjective and requires the application of significant judgment. For purposes of the
annual impairment test, we consider our market capitalization compared with the carrying amount of our net assets on the date of the test, since we have only one reporting unit. We performed our annual review of goodwill in the fourth quarter of
fiscal 2010 and concluded that no impairment existed at April 30, 2010.

We evaluate long-lived assets, including
identifiable intangible assets, for impairment whenever events or changes in circumstances indicate that the carrying amount of the assets may not be recoverable. Events or changes in circumstances that could result in an impairment review include,
but are not limited to, significant underperformance relative to historical or projected future operating results, significant changes in the manner of use of the acquired assets or the strategy for our overall business, and significant negative
industry or economic trends. Impairment is recognized when the carrying amount of an asset exceeds its fair value as calculated on a discounted cash flow basis.

Research and Development

Costs related to research, design and development of our products are expensed as incurred. When significant, software development costs
are capitalized after establishment of technological feasibility and marketability until product is available for general release to customers. Generally, our products are released soon after technological feasibility has been established.
Costs subsequent to achieving technological feasibility were not material to our consolidated financial statements and all software development costs were expensed as incurred in fiscal 2010, 2009 and 2008 respectively.

Foreign Currency

The
functional currency of our domestic and foreign operations is the U.S. dollar. Accordingly, the effects of foreign currency transactions, and of remeasuring the financial condition and results of operations from local currencies into the functional
currency, are included in other expense, net in the accompanying consolidated statements of operations. Remeasurement and foreign currency transaction losses, net, for the years ended April 30, 2010, 2009 and 2008 were $1.2 million, $2.3
million and $0.9 million, respectively.



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Warranty Obligations

We maintain a warranty accrual for estimated future warranty obligations based on the historical warranty costs and revenue volumes
together with anticipated future warranty costs. If actual warranty expenses are greater than those projected, additional charges against earnings would be required. If actual warranty expenses are less than projected, our obligations would be
reduced, which would positively impact our reported results. We generally provide a one-year warranty on hardware products.

Legal and
Other Contingencies

We are currently involved in various claims and legal proceedings. We review the status of each
significant matter and assess our potential financial exposure on a quarterly basis. We record a charge equal to at least the minimum estimated liability for damages arising from litigation or other loss contingencies only when both of the following
conditions are met: (i) information available prior to issuance of our consolidated financial statements indicates that it is probable that an asset had been impaired or a liability had been incurred at the date of the financial statements and
(ii) the range of loss can be reasonably estimated. As additional information becomes available, we reassess the potential liability related to pending loss contingencies and may revise our estimates. Such revisions in the estimates of the
potential liabilities could have a material impact on our results of operations and financial position.

Advertising Costs

Advertising costs are charged to sales and marketing expense as incurred. Advertising costs were $5.6 million, $5.6 million and $2.1
million for the years ended April 30, 2010, 2009 and 2008, respectively.

Income Taxes

We use the liability method to account for income taxes. As part of the process of preparing our consolidated financial statements, we are
required to estimate income taxes in each of the jurisdictions in which we operate. This process involves determining our income tax expense and calculating the deferred income tax expense related to temporary difference resulting from the differing
treatment of items for tax and accounting purposes, such as deferred revenue or deductibility of the amortization of certain intangible assets. These temporary differences result in deferred tax assets or liabilities, which are included within the
consolidated balance sheets.

We record a valuation allowance to reduce certain deferred tax assets to an amount that we
estimate is more likely than not to be realized. We consider estimated future taxable income and prudent tax planning strategies in determining the need for a valuation allowance. When we determine that it is more likely than not that some or all of
our deferred tax assets will be realizable by either refundable income taxes or future taxable income, the valuation allowance will be reduced and the related tax impact will be recorded as a reduction to the tax provision in that period. Likewise,
should we determine that we are not likely to realize all or part of our deferred tax assets in the future, an increase to the valuation allowance would be recorded as an increase to the tax provision in the period such determination was made.

As a multinational corporation, we conduct our business in many countries and are subject to taxation in many jurisdictions.
The taxation of our business is subject to the application of multiple and conflicting tax laws and regulations, as well as multinational tax conventions. Our effective tax rate is highly dependent upon the geographic distribution of our worldwide
earnings or losses, the tax regulations and tax holidays in each geographic region, the availability of tax credits and carryforwards, and the effectiveness of our tax planning strategies. The application of tax laws and regulations is subject to
legal and factual interpretation, judgment and uncertainty. Tax laws themselves are subject to change as a result of changes in fiscal policy, changes in legislation, and the evolution of regulations and court rulings. Consequently, tax authorities
may impose tax assessments or judgments against us that could materially impact our tax liability and/or our effective income tax rate.



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We use a two-step approach to recognizing and measuring uncertain tax positions. The first
step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates that it is more likely than not that the position will be sustained on audit, including resolution of related appeals or litigation
processes, if any. The second step is to measure the tax benefit as the largest amount that is more likely than not to be realized upon settlement. We review our uncertain tax benefits quarterly, and we may adjust such uncertain tax benefits because
of proposed assessments by tax authorities, changes in facts and circumstances, issuance of new regulations or new case law, previously unavailable information obtained during the course of an examination, negotiations with tax authorities of
different countries concerning our transfer pricing, resolution with respect to individual audit issues/audit years, or the expiration of statutes of limitations. In addition, our tax contingency reserve includes certain amounts for potential tax
assessments for pre-acquisition tax years of acquired companies, which, if recognized, will be recorded to our provision for income taxes.

Recent Accounting Pronouncements

Fair Value Measurements: In August 2009, the FASB issued Accounting Standards Update (ASU) No. 2009-05,
Measuring Liabilities at Fair Value (ASU 2009-05). ASU 2009-05 provides clarification that in circumstances in which a quoted price in an active market for the identical liability is not available, a reporting entity is required
to measure fair value of such liability using one or more of the techniques prescribed by the update. ASU 2009-05 is effective for the first reporting period beginning after issuance. We adopted ASU 2009-05 for our third quarter ended
January 31, 2010. There was no change to our consolidated financial statements due to the implementation of this guidance.

In January 2010, the FASB issued ASU No. 2010-06, Fair Value Measurements and Disclosures (Topic 820): Improving Disclosures
about Fair Value Measurements(ASU 2010-06). Reporting entities will have to provide information about movements of assets among Levels 1 and 2; and a reconciliation of purchases, sales, issuance, and settlements of activity valued
with a Level 3 method, of the three-tier fair value hierarchy established by SFAS No. 157, Fair Value Measurements (ASC 820). The ASU 2010-06 also clarifies the existing guidance to require fair value measurement disclosures for each class of
assets and liabilities. ASU 2010-06 is effective for interim and annual reporting periods beginning after December 15, 2009 for Level 1 and 2 disclosure requirements and after December 15, 2010 for Level 3 disclosure requirements. We
adopted the guidance in our fourth quarter of fiscal 2010. There was no change to our consolidated financial statements due to the implementation of this guidance.

Revenue Recognition:In October 2009, the FASB issued ASU No. 2009-13, Revenue Recognition (Topic 605)Multiple
Deliverable Revenue Arrangements (ASU 2009-13). ASU 2009-13 eliminates the residual method of allocation and requires the relative selling price method when allocating deliverables of a multiple-deliverable revenue arrangement. The
determination of the selling price for each deliverable requires the use of a hierarchy designed to maximize the use of available objective evidence, including VSOE, third party evidence of selling price (TPE), or estimated selling price
(ESP).

In October 2009, the FASB also issued ASU No. 2009-14, Software (Topic 985)Certain Revenue
Arrangements That Include Software Elements(ASU 2009-14). ASU 2009-14 excludes tangible products containing software and non-software components that function together to deliver the products essential functionality from the
scope of ASC 605-985, Software-Revenue Recognition.

ASU 2009-13 and ASU 2009-14 are effective prospectively for
revenue arrangements entered into or materially modified in fiscal years beginning on or after June 15, 2010, and must be adopted in the same period using the same transition method. If adoption is elected in a period other than the beginning
of a fiscal year, the amendments in these standards must be applied retrospectively to the beginning of the fiscal year. Full retrospective application of these amendments to prior fiscal years is optional. Early adoption of these standards may be
elected. We are currently evaluating the impact of these new accounting standards on our consolidated financial statements.



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Note 2. Per Share Amounts

Our convertible senior notes, discussed in Note 6, are participating securities whereby the holder would participate equally in any future
dividends and in undistributed earnings with common stockholders; therefore, we calculated basic and diluted net income per share using the two-class method. Certain of our unvested restricted stock awards and the warrants, discussed in Note 6, are
also considered participating securities; however, the number of unvested restricted stock awards and the number of shares covered by the warrants are immaterial and therefore not included in our calculation under the two-class method. See Note 6
for further information regarding the convertible senior notes and warrants.

Under the two-class method, basic net income per
share is computed by dividing the net income available to common stockholders by the weighted-average number of common shares outstanding for the period. Net income available to common stockholders is determined after allocating undistributed
earnings to convertible senior note holders. Diluted net income per share is computed using the weighted-average number of shares of common stock outstanding, including dilutive common shares subject to repurchase and potential shares issuable
assuming the (i) dilutive effect of outstanding stock awards, warrants and shares issuable under our employee stock purchase plan using the treasury stock method, and (ii) conversion of convertible senior notes. For periods for which there
is a net loss, the number of shares used in the computation of diluted net loss per share are the same as those used for the computation of basic net loss per share as the inclusion of dilutive securities would be anti-dilutive. No portion of the
loss for fiscal 2009 was allocated to the participating securities under the two-class method since there is no contractual obligation under the convertible senior notes for the note holders to share in our losses.



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The following table presents the calculation of weighted average common shares used in the
computations of basic and diluted per share amounts presented in the accompanying consolidated statements of operations reconciled to basic and diluted per share amounts available to common stockholders:



|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       
|---------------------------------------------------------------------------------------- |  | --------------------------------------- | ------ | - | ---- | - | ------ | ---- |  | - | ------
|                                                                                         |  | Year Ended April 30,                   
|                                                                                         |  | 2010                                    |        |   | 2009 |   |        | 2008
|                                                                                         |  | (in thousands, except per shareamounts)
|Basic net income (loss) per share                                                        |  |                                         |        |   |      |   |        |      |  |   |       
|Numerator:                                                                               |  |                                         |        |   |      |   |        |      |  |   |       
|Net income (loss)                                                                        |  | $                                       | 42,879 |   |      | $ | (8,508 | )    |  | $ | 32,568
|Less: undistributed earnings allocated to convertible senior note holders                |  |                                         | (3,728 | ) |      |   |       |      |  |   |      
|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       
|Net income (loss) available to common stockholders                                       |  | $                                       | 39,151 |   |      | $ | (8,508 | )    |  | $ | 32,568
|Denominator:                                                                             |  |                                         |        |   |      |   |        |      |  |   |       
|Basic weighted average common shares used in computing basic net income (loss) per share |  |                                         | 44,326 |   |      |   | 38,493 |      |  |   | 35,179
|Effect of participating convertible senior notes                                         |  |                                         | (3,854 | ) |      |   |       |      |  |   |      
|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       
|Weighted average common shares outstanding using the two-class method                    |  |                                         | 40,472 |   |      |   | 38,493 |      |  |   | 35,179
|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       
|Basic income (loss) per share available to common stockholders                           |  | $                                       | 0.97   |   |      | $ | (0.22  | )    |  | $ | 0.93  
|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       
|Diluted net income (loss) per share                                                      |  |                                         |        |   |      |   |        |      |  |   |       
|Numerator:                                                                               |  |                                         |        |   |      |   |        |      |  |   |       
|Net income (loss)                                                                        |  | $                                       | 42,879 |   |      | $ | (8,508 | )    |  | $ | 32,568
|Less: undistributed earnings allocated to convertible senior note holders                |  |                                         | (3,594 | ) |      |   |       |      |  |   |      
|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       
|Net income (loss) available to common stockholders                                       |  | $                                       | 39,285 |   |      | $ | (8,508 | )    |  | $ | 32,568
|Denominator:                                                                             |  |                                         |        |   |      |   |        |      |  |   |       
|Basic weighted average common shares used in computing basic net income (loss) per share |  |                                         | 44,326 |   |      |   | 38,493 |      |  |   | 35,179
|Add: Weighted average employee stock options                                             |  |                                         | 1,318  |   |      |   |       |      |  |   | 2,527 
|Add: Other weighted average dilutive potential common stock                              |  |                                         | 336    |   |      |   |       |      |  |   | 153   
|Add: Series A Redeemable Convertible Preferred Stock, as converted (1)                   |  |                                         |       |   |      |   |       |      |  |   | 1,800 
|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       
|Weighted average common shares used in computing diluted net income (loss) per share     |  |                                         | 45,980 |   |      |   | 38,493 |      |  |   | 39,659
|Effect of participating convertible senior notes                                         |  |                                         | (3,854 | ) |      |   |       |      |  |   |      
|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       
|Weighted average common shares outstanding using the two-class method                    |  |                                         | 42,126 |   |      |   | 38,493 |      |  |   | 39,659
|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       
|Diluted income (loss) per share available to common stockholders                         |  | $                                       | 0.93   |   |      | $ | (0.22  | )    |  | $ | 0.82  
|                                                                                         |  |                                         |        |   |      |   |        |      |  |   |       



|(1) | All shares of Series A Redeemable Convertible Preferred Stock were subsequently converted into common stock by the end of September 2007.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------

For the years ended April 30, 2010 and 2008, outstanding stock options and restricted stock awards covering an aggregate of
2.5 million shares and 1.4 million shares, respectively, were excluded from the calculation of diluted net income per share as their inclusion would have been anti-dilutive because their exercise prices were greater than or equal to the
average market price of the common shares during the respective periods.

For the year ended April 30, 2009, outstanding
stock options, employee stock purchase plan shares and restricted stock awards covering 6.6 million shares were excluded from the calculation of diluted net income per share because their inclusion would have been anti-dilutive due to our net
loss for the period.



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At April 30, 2010 and 2009, there were outstanding warrants to purchase 385,356 shares
of our common stock. The Warrants were included in the computation of the diluted net income per share for the year ended April 30, 2010 because the exercise price of the Warrants was less than the average market price of our common stock
during the period. The warrants were not included in the computation of diluted net loss per share for year ended April 30, 2009 because their inclusion would have been anti-dilutive.

Shares of our common stock issuable upon the assumed conversion of the convertible senior notes in the amount of 3,853,564 were not
included in the computation of diluted net income per share for the year ended April 30, 2009, due to our net loss for the period.

Note 3. Acquisitions

Fiscal
2010 Acquisition

S7

On January 25, 2010, we acquired 84.5% of the outstanding shares of S7, an IT research and development outsourcing firm based in
Bangalore, India. We intend to acquire the remaining shares of S7 upon receipt of regulatory approval from the Reserve Bank of India. We acquired S7 to serve as the Companys new development center in India and to provide expertise in software
development, code migration and network security. We have included the operating results of S7 in our consolidated financial results since the January 25, 2010 acquisition date. The net income attributable to the 15.5% of outstanding shares of
S7 that we did not acquire (the noncontrolling interest) was not significant to our consolidated operating results, and so it is not presented separately in the consolidated statements of operations. Additionally, we have not presented
pro forma results of operations relating to this acquisition because it is not material to our consolidated financial statements.

The total purchase price was $6.4 million in cash, consisting of $4.3 million for the initial shares acquired and $0.8 million of payable
for the noncontrolling interest (which amounts include an allocation of $1.1 million for excess working capital remaining as of the closing date), and $1.3 million payable over the 30 months subsequent to the closing date. Under the stock purchase
agreement, the selling shareholders will indemnify us for up to $1.3 million for damages caused by inaccuracies in, breaches or violations of or defaults under representations, warranties, covenants or agreements. Any such amounts may be withheld
from the $1.3 million in remaining payments due under the purchase agreement. In allocating the purchase price based on estimated fair values, we recorded approximately $4.5 million of goodwill, $0.7 million of identifiable intangible assets for
customer relationships and $1.2 million of net tangible assets. In connection with the acquisition, we recognized $0.1 million of transaction costs which are included in general and administrative expenses in our consolidated statement of
operations. In addition, we agreed to pay potential retention bonuses up to an aggregate amount of $2.0 million to certain S7 shareholders who were also employees. Payment of these bonuses is contingent upon the performance of post-acquisition
services by those shareholders over the 30 months subsequent to the closing date. Accordingly, the potential bonus amounts will be accrued as compensation expense over the assumed retention period. Our acquisition of S7 did not result in the
creation of a new business segment.

Acquisition-related Intangible Assets

The fair value of the acquisition-related intangible assets was calculated considering market participant expectations and using an income
approach with estimates and assumptions provided by S7 and our management. We used a discount rate reflective of the risk of the respective cash flows. The acquisition-related intangible assets consist of assumed customer contracts, which represent
S7s underlying relationships with its customers. The fair value assigned to customer relationships was $0.7 million which will be amortized on a straight-line basis over the expected useful life of 4 years, consistent with the number of
periods of prospective cash flow and other benefits utilized to estimate the fair values of the assets.



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Noncontrolling Interest

The Company classified the noncontrolling interest in S7 as a component of equity within the consolidated balance sheet. Given the
Companys majority ownership interest in S7, the fair value of the noncontrolling interest has been recorded as the interest of the shareholders holding the noncontrolling interest in the fair value of the net assets and operations of S7.

Fiscal 2009 Acquisition

Packeteer

We acquired
Packeteer, a provider of sophisticated Wide Area Network traffic prioritization technologies, on June 6, 2008, by means of a merger of our wholly-owned subsidiary with and into Packeteer, such that Packeteer became our wholly-owned subsidiary.
We acquired Packeteer, among other things, to add to our product portfolio products that identify and classify the applications on the network and monitor application response times and utilization. We have included the operating results of
Packeteer in our consolidated financial results since the June 6, 2008 acquisition date.

The total purchase price was
$278.6 million, which consisted of $264.0 million in cash paid to acquire the outstanding common stock of Packeteer, $4.6 million for the fair value of vested Packeteer equity awards assumed and $10.0 million in cash for direct transaction costs. In
allocating the purchase price based on estimated fair values, we recorded approximately $145.8 million of goodwill, $55.4 million of identifiable intangible assets, $77.5 million of cash and short-term investments, $25.7 million of inventory, $16.0
million of deferred revenues and $9.8 million of other net tangible liabilities. Our acquisition of Packeteer did not result in the creation of a new business segment.

Note 4. Goodwill and Identifiable Intangible Assets

Goodwill

The changes in
the carrying amount of goodwill, which generally is not deductible for tax purposes, for the years ended April 30, 2010 and 2009 were as follows:



|                                                      |  |                      |         |   |      |   |        
|----------------------------------------------------- |  | -------------------- | ------- | - | ---- | - | -------
|                                                      |  | Year Ended April 30,
|                                                      |  | 2010                 |         |   | 2009
|                                                      |  | (in thousands)      
|Balance, beginning of year                            |  | $                    | 238,466 |   |      | $ | 92,243 
|Addition to goodwill related to Packeteer acquisition |  |                      |        |   |      |   | 146,223
|Addition to goodwill related to S7 acquisition        |  |                      | 4,529   |   |      |   |       
|Goodwill adjustments related to Packeteer acquisition |  |                      | (384    | ) |      |   |       
|                                                      |  |                      |         |   |      |   |        
|Balance, end of year                                  |  | $                    | 242,611 |   |      | $ | 238,466
|                                                      |  |                      |         |   |      |   |        

The goodwill adjustment related to Packeteer
acquisition was recorded during the first quarter of fiscal 2010 and related to the settlement of a lease liability for less than originally provided for in our purchase price allocation.



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Identifiable Intangible Assets

Our identifiable acquisition-related intangible assets are as follows (in thousands):



|                                 |  |                    |  |             |        |                         |   |         |                   |  |   |       
|-------------------------------- |  | ------------------ |  | ----------- | ------ | ----------------------- | - | ------- | ----------------- |  | - | ------
|April 30, 2010                   |  | Amortizationperiod |  | GrossAmount |        | AccumulatedAmortization |   |         | Net CarryingValue
|Developed technology and patents |  | 3-7 years          |  | $           | 26,031 |                         | $ | (11,730 | )                 |  | $ | 14,301
|Core technology                  |  | 5 years            |  |             | 2,929  |                         |   | (2,929  | )                 |  |   |      
|Customer relationships           |  | 4-7 years          |  |             | 37,723 |                         |   | (15,011 | )                 |  |   | 22,712
|Trade name                       |  | 2 years            |  |             | 400    |                         |   | (380    | )                 |  |   | 20    
|                                 |  |                    |  |             |        |                         |   |         |                   |  |   |       
|Total                            |  |                    |  | $           | 67,083 |                         | $ | (30,050 | )                 |  | $ | 37,033
|                                 |  |                    |  |             |        |                         |   |         |                   |  |   |       
|                                 |  |                    |  |            
|April 30, 2009                   |  | Amortizationperiod |  | GrossAmount |        | AccumulatedAmortization |   |         | Net CarryingValue
|Developed technology and patents |  | 3-7 years          |  | $           | 26,031 |                         | $ | (7,058  | )                 |  | $ | 18,973
|Core technology                  |  | 5 years            |  |             | 2,929  |                         |   | (2,649  | )                 |  |   | 280   
|Customer relationships           |  | 5-7 years          |  |             | 37,023 |                         |   | (7,722  | )                 |  |   | 29,301
|Trade name                       |  | 2 years            |  |             | 400    |                         |   | (180    | )                 |  |   | 220   
|                                 |  |                    |  |             |        |                         |   |         |                   |  |   |       
|Total                            |  |                    |  | $           | 66,383 |                         | $ | (17,609 | )                 |  | $ | 48,774
|                                 |  |                    |  |             |        |                         |   |         |                   |  |   |       

Amortization expense for our identifiable
acquisition-related intangible assets for the years ended April 30, 2010, 2009 and 2008 were allocated as follows:



|                                |  |                      |        |      |   |        |  |   |      
|------------------------------- |  | -------------------- | ------ | ---- | - | ------ |  | - | -----
|                                |  | Year Ended April 30,
|                                |  | 2010                 |        | 2009 |   | 2008  
|                                |  | (in thousands)      
|Included in cost of net revenue |  | $                    | 5,152  |      | $ | 4,969  |  | $ | 1,189
|Included in operating expenses  |  |                      | 7,289  |      |   | 6,667  |  |   | 450  
|                                |  |                      |        |      |   |        |  |   |      
|Total                           |  | $                    | 12,441 |      | $ | 11,636 |  | $ | 1,639
|                                |  |                      |        |      |   |        |  |   |      

As of April 30, 2010, we had no identifiable
acquisition-related intangible assets with indefinite lives. The weighted average remaining life of identifiable acquisition-related intangible assets was 3.1 years and 4.0 years as of April 30, 2010 and 2009, respectively.

Estimated amortization expense related to our identifiable acquisition-related intangible assets in future periods is as follows:



|                     |  |                |       
|-------------------- |  | -------------- | ------
|Year Ended April 30, |  | Amortization  
|                     |  | (in thousands)
|2011                 |  | $              | 12,064
|2012                 |  |                | 11,956
|2013                 |  |                | 11,782
|2014                 |  |                | 1,231 
|                     |  |                |       
|                     |  | $              | 37,033
|                     |  |                |       

Note 5. Restructuring Activities

Fiscal 2010 Restructuring Plan

On November 3, 2009, we committed to a restructuring plan, which included a planned net reduction of approximately 10% of our
headcount through the first quarter of fiscal 2011 and the closure of three facilities,



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including two research and development facilities located in Riga, Latvia, and South Plainfield, New Jersey (the 2010 Plan). We consolidated our research and development work at three
existing locationsSunnyvale, California, Draper, Utah and Waterloo, Ontario, Canadaand opened a new location in Bangalore, India. The restructuring activities commenced on November 3, 2009, and are expected to be completed by
the end of the first quarter of fiscal 2011.

These actions were approved as part of our continuing effort to improve our
profitability, to realign our research and development activity and resources, and to drive greater productivity throughout our organization.

Restructuring charges consist primarily of personnel-related severance costs, contract termination costs and stock-based compensation
expenses. Stock-based compensation included in restructuring charges resulted primarily from the additional vesting of unvested option shares and restricted shares upon termination of the employment of employees under the 2010 Plan and pursuant to
the terms of their separation agreements. The total estimated restructuring costs associated with the 2010 Plan are $13.0 million. Of the total restructuring charges, $11.0 million in charges relates to severance and related benefits for 265
employees and $2.0 million in charges relates to facility closures and consolidations. We recorded $12.6 million of restructuring charges in fiscal 2010, including $0.1 million of stock-based compensation, and expect to incur the remaining $0.4
million of the charges during the first quarter of fiscal 2011.

Fiscal 2009 Restructuring Plan

In connection with our acquisition of Packeteer, we committed to a plan that resulted in the termination of the employment of 33 employees
of Blue Coat. Restructuring charges consist primarily of personnel-related severance costs and stock-based compensation expenses. Stock-based compensation included in restructuring resulted primarily from the additional vesting of unvested option
shares and restricted shares upon termination of the employment of those employees pursuant to the terms of their separation agreements. The termination of employment of all 33 employees occurred during the first quarter of fiscal 2009, and we
recorded a restructuring charge of $1.5 million in our consolidated statements of operations, including $0.1 million of stock-based compensation. Since inception of the plan, we paid severance related costs in the amount of $1.5 million under the
plan. The Fiscal 2009 Restructuring Plan was completed in the first quarter of fiscal 2010, and no further charges under that plan were incurred after that quarter.

We also planned to exit certain Packeteer facilities, discontinue certain Packeteer products, and involuntarily terminate the employment
of certain Packeteer employees. On the acquisition date of June 6, 2008, we accrued $11.6 million related to employee severance costs and $1.9 million related to lease termination costs. From the acquisition date of June 6, 2008 through
April 30, 2010, we paid $11.3 million related to employee severance costs and $3.5 million related to lease termination costs, and we decreased the employee severance accrual by $0.3 million and increased the lease termination accrual by $1.6
million. The increase to the lease termination accrual primarily related to a real estate commission paid in fiscal 2009 in connection with the termination of an assumed lease.



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Summary of Restructuring Plans

The following table summarizes the activity related to the Companys restructuring plans for the years ended April 30, 2010 and
2009:

Fiscal 2010 Activity



|                                   |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      
|---------------------------------- |  | ---------------------- | ----- | ----------------- | - | ------------ |  | - | --------------------------------------- | - |  | ---------------------- | ---- | - |  | - | -----
|(in thousands)                     |  | Balance,April 
30,2009 |       | Charges toExpense |   | CashPayments |  |   | Non-cashsettlementsand otheradjustments |   |  | Balance,April 
30,2010
|Fiscal 2010 Restructuring Plan     |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      
|Severance                          |  | $                      |      |                   | $ | 10,736       |  | $ | (9,639                                  | ) |  | $                      | (108 | ) |  | $ | 989  
|Facilities                         |  |                        |      |                   |   | 1,815        |  |   | (84                                     | ) |  |                        | (476 | ) |  |   | 1,255
|                                   |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      
|Total                              |  | $                      |      |                   | $ | 12,551       |  | $ | (9,723                                  | ) |  | $                      | (584 | ) |  | $ | 2,244
|                                   |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      
|Fiscal 2009 Restructuring Plan     |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      
|Severance                          |  | $                      | 101   |                   | $ |             |  | $ | (101                                    | ) |  | $                      |     |   |  | $ |     
|                                   |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      
|Packeteer Restructuring Activities |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      
|Severance                          |  | $                      | 79    |                   | $ |             |  | $ | (79                                     | ) |  | $                      |     |   |  | $ |     
|Facilities                         |  |                        | 893   |                   |   |             |  |   | (492                                    | ) |  |                        | (401 | ) |  |   |     
|                                   |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      
|Total                              |  | $                      | 972   |                   | $ |             |  | $ | (571                                    | ) |  | $                      | (401 | ) |  | $ |     
|                                   |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      
|Total Restructuring Plans          |  | $                      | 1,073 |                   | $ | 12,551       |  | $ | (10,395                                 | ) |  | $                      | (985 | ) |  | $ | 2,244
|                                   |  |                        |       |                   |   |              |  |   |                                         |   |  |                        |      |   |  |   |      

Fiscal 2009 Activity



|                                   |  |                        |   |                   |   |              |  |   |                                         |   |  |                        |       |   |  |   |      
|---------------------------------- |  | ---------------------- | - | ----------------- | - | ------------ |  | - | --------------------------------------- | - |  | ---------------------- | ----- | - |  | - | -----
|(in thousands)                     |  | Balance,April 
30,2008 |   | Charges toExpense |   | CashPayments |  |   | Non-cashsettlementsand otheradjustments |   |  | Balance,April 
30,2009
|Fiscal 2009 Restructuring Plan     |  |                        |   |                   |   |              |  |   |                                         |   |  |                        |       |   |  |   |      
|Severance                          |  | $                      |  |                   | $ | 1,546        |  | $ | (1,357                                  | ) |  | $                      | (88   | ) |  | $ | 101  
|                                   |  |                        |   |                   |   |              |  |   |                                         |   |  |                        |       |   |  |   |      
|Packeteer Restructuring Activities |  |                        |   |                   |   |              |  |   |                                         |   |  |                        |       |   |  |   |      
|Severance                          |  | $                      |  |                   | $ | 11,615       |  | $ | (11,206                                 | ) |  | $                      | (330  | ) |  | $ | 79   
|Facilities                         |  |                        |  |                   |   | 1,919        |  |   | (3,048                                  | ) |  |                        | 2,022 |   |  |   | 893  
|                                   |  |                        |   |                   |   |              |  |   |                                         |   |  |                        |       |   |  |   |      
|Total                              |  | $                      |  |                   | $ | 13,534       |  | $ | (14,254                                 | ) |  | $                      | 1,692 |   |  | $ | 972  
|                                   |  |                        |   |                   |   |              |  |   |                                         |   |  |                        |       |   |  |   |      
|Total Restructuring Plans          |  | $                      |  |                   | $ | 15,080       |  | $ | (15,611                                 | ) |  | $                      | 1,604 |   |  | $ | 1,073
|                                   |  |                        |   |                   |   |              |  |   |                                         |   |  |                        |       |   |  |   |      

At April 30, 2010 and 2009, accrued restructuring
was included in other current liabilities in our consolidated balance sheets.

Note 6. Convertible Senior Notes

On June 2, 2008, we issued $80.0 million aggregate principal amount of Zero Coupon Convertible Senior Notes due June 2, 2013
(the Convertible Senior Notes) and warrants (the Warrants) to purchase an aggregate of 385,356 shares of our common stock at an exercise price of $20.76 to Manchester Securities Corp., an affiliate of Elliott Associates,
L.L.P. (Manchester) and Francisco Partners II, L.P. and Francisco Partners Parallel Fund II, L.P. (together, the FP Entities) in a private placement. As of April 30, 2010, the Convertible Senior Notes were reported on
our consolidated balance sheet at $77.2 million, net of a discount of $2.8 million primarily related to the value assigned to the Warrants, which is being amortized to interest expense over the life of the Convertible Senior Notes.



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The Convertible Senior Notes rank equal in right of payment to any of our other existing and
future senior unsecured indebtedness. The Convertible Senior Notes are initially convertible into 3,853,564 shares of our common stock at the holders option at any time prior to maturity at the initial conversion price of $20.76. The
Convertible Senior Notes do not bear interest. The conversion price of the Convertible Senior Notes and the exercise price of the Warrants are subject to adjustment, if we:



| |  |  | issue shares of our common stock as a dividend or distribution on our shares of common stock;
| | - |  | ---------------------------------------------------------------------------------------------



| |  |  | effect a stock split or stock combination;
| | - |  | ------------------------------------------



| |  |  | issue shares of capital stock in the event of a reclassification; or
| | - |  | --------------------------------------------------------------------



| |  |  | purchase shares of our common stock pursuant to a tender offer or exchange offer at a premium to market.
| | - |  | --------------------------------------------------------------------------------------------------------

If we issue rights, options, warrants or pay a cash dividend or otherwise make a distribution of cash or other assets to all holders of
our common stock, such right, option, warrant, dividend or distribution shall also be issued to the holders of the Convertible Senior Notes and the Warrants on an as-converted or as-exercised basis.

Subject to certain exceptions, the holders of the Convertible Senior Notes, at their option, may require us to repurchase for cash all or
a portion of the Convertible Senior Notes at a purchase price equal to 100% of the outstanding principal amount of the Convertible Senior Notes, if our common stock is suspended from trading or ceases to be listed on an eligible market for a period
of 5 consecutive trading days or for more than 15 trading days in any 365-day period.

On June 2, 2008, we and the FP
Entities entered into a Registration Rights Agreement, (the Registration Rights Agreement) containing customary terms and conditions providing for the registration of our common stock underlying the Convertible Senior Notes and the
Warrants issued to the FP Entities. Pursuant to the Registration Rights Agreement, we filed an automatically effective resale shelf registration statement on August 4, 2008. We filed amendments to that registration statement on
June 23, 2009 and October 2, 2009.

Keith Geeslin, a partner of Francisco Partners II, L.P., has served as a member
of our Board of Directors since June 2006.

Note 7. Consolidated Balance Sheet Data

Inventory

Inventory
consisted of the following:



|               |  |                |       |      |   |      
|-------------- |  | -------------- | ----- | ---- | - | -----
|               |  | April 30,     
|               |  | 2010           |       | 2009
|               |  | (in thousands)
|Raw materials  |  | $              | 3,573 |      | $ | 2,389
|Finished goods |  |                | 2,437 |      |   | 3,311
|               |  |                |       |      |   |      
|Total          |  | $              | 6,010 |      | $ | 5,700
|               |  |                |       |      |   |      



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Property and Equipment

Property and equipment, net consisted of the following:



|                                               |  |                |         |   |      |   |         |  
|---------------------------------------------- |  | -------------- | ------- | - | ---- | - | ------- | -
|                                               |  | April 30,      |        
|                                               |  | 2010           |         |   | 2009 |  
|                                               |  | (in thousands) |        
|Computer and office equipment                  |  | $              | 20,701  |   |      | $ | 26,992  |  
|Software                                       |  |                | 15,694  |   |      |   | 13,832  |  
|Furniture and fixtures                         |  |                | 5,312   |   |      |   | 4,426   |  
|Leasehold improvements                         |  |                | 17,790  |   |      |   | 14,618  |  
|Construction in progress                       |  |                | 349     |   |      |   | 3,684   |  
|                                               |  |                |         |   |      |   |         |  
|                                               |  |                | 59,846  |   |      |   | 63,552  |  
|Less accumulated depreciation and amortization |  |                | (26,162 | ) |      |   | (28,597 | )
|                                               |  |                |         |   |      |   |         |  
|                                               |  | $              | 33,684  |   |      | $ | 34,955  |  
|                                               |  |                |         |   |      |   |         |  

Depreciation expense was $14.7 million, $10.4 million and $5.6 million for the years ended April 30,
2010, 2009 and 2008, respectively.

Other assets

We periodically enter into license agreements under which we receive nonexclusive, perpetual, worldwide license rights. We capitalize
these license rights and amortize them over their respective estimated useful lives. For the years ended April 30, 2010, 2009 and 2008, amortization expense related to these license rights was $0.4 million, $0.2 million and $0.2 million,
respectively and was included in cost of product revenue in our consolidated statements of operations. The unamortized balance related to these license rights was $4.4 million at April 30, 2010.

As of April 30, 2010, amortization expense in future periods for these license rights is expected to be as follows:



|                     |  |                |      
|-------------------- |  | -------------- | -----
|Year Ended April 30, |  | Amortization  
|                     |  | (in thousands)
|2011                 |  | $              | 692  
|2012                 |  |                | 692  
|2013                 |  |                | 667  
|2014                 |  |                | 579  
|2015                 |  |                | 361  
|Thereafter           |  |                | 1,381
|                     |  |                |      
|                     |  | $              | 4,372
|                     |  |                |      

Other Current Liabilities

Other current liabilities consisted of the following:



|                                 |  |                |        |      |   |       
|-------------------------------- |  | -------------- | ------ | ---- | - | ------
|                                 |  | April 30,     
|                                 |  | 2010           |        | 2009
|                                 |  | (in thousands)
|Professional and consulting fees |  | $              | 541    |      | $ | 2,450 
|Accrued royalty                  |  |                | 1,771  |      |   | 2,300 
|Warranty obligations             |  |                | 648    |      |   | 876   
|Sales and marketing costs        |  |                | 388    |      |   | 883   
|Accrued restructuring costs      |  |                | 2,244  |      |   | 1,073 
|Foreign income taxes payable     |  |                | 3,258  |      |   |      
|Other                            |  |                | 4,071  |      |   | 4,717 
|                                 |  |                |        |      |   |       
|Total other current liabilities  |  | $              | 12,921 |      | $ | 12,299
|                                 |  |                |        |      |   |       



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Deferred revenue

Deferred revenue consisted of the following:



|                                      |  |                |         |      |   |        
|------------------------------------- |  | -------------- | ------- | ---- | - | -------
|                                      |  | April 30,     
|                                      |  | 2010           |         | 2009
|                                      |  | (in thousands)
|Deferred product revenue, current     |  | $              | 2,025   |      | $ | 5,263  
|Deferred service revenue, current     |  |                | 102,025 |      |   | 91,393 
|                                      |  |                |         |      |   |        
|Total deferred revenue, current       |  |                | 104,050 |      |   | 96,656 
|Deferred service revenue, non-current |  |                | 50,172  |      |   | 33,923 
|                                      |  |                |         |      |   |        
|Total deferred revenue                |  | $              | 154,222 |      | $ | 130,579
|                                      |  |                |         |      |   |        

Note 8. Fair Value of Assets and Liabilities

The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is
practicable to estimate that value:

Cash and Cash Equivalents and Restricted Cash

The carrying amount of cash and cash equivalents and restricted cash reported on the balance sheet approximates its fair value. The fair
values of cash equivalents are based upon quoted market prices.

Convertible Senior Notes

The carrying amount of the Convertible Senior Notes is net of discounts, primarily related to the associated Warrants. The fair value of
the Convertible Senior Notes as of April 30, 2010 was determined based on an internal valuation model that utilized quoted market prices and interest rates for similar instruments, and is approximately $129.4 million. See Note 6 for further
information regarding the Convertible Senior Notes and Warrants.

The estimated fair values of our financial instruments are
as follows:



|                          |  |                 |         |                     |   |               |  |                     |         |  |   |        
|------------------------- |  | --------------- | ------- | ------------------- | - | ------------- |  | ------------------- | ------- |  | - | -------
|                          |  | As of April 30,
|                          |  | 2010            |         | 2009               
|                          |  | AmortizedCost   |         | EstimatedFair Value |   | AmortizedCost |  | EstimatedFair Value
|Assets:                   |  |                 |         |                     |   |               |  |                     |         |  |   |        
|Cash                      |  | $               | 37,623  |                     | $ | 37,623        |  | $                   | 15,833  |  | $ | 15,833 
|Money market funds        |  |                 | 198,724 |                     |   | 198,724       |  |                     | 99,180  |  |   | 99,180 
|                          |  |                 |         |                     |   |               |  |                     |         |  |   |        
|                          |  | $               | 236,347 |                     | $ | 236,347       |  | $                   | 115,013 |  | $ | 115,013
|                          |  |                 |         |                     |   |               |  |                     |         |  |   |        
|Reported as:              |  |                 |         |                     |   |               |  |                     |         |  |   |        
|Assets:                   |  |                 |         |                     |   |               |  |                     |         |  |   |        
|Cash and cash equivalents |  |                 |         |                     | $ | 236,347       |  |                     |         |  | $ | 114,163
|Long-term restricted cash |  |                 |         |                     |   | 986           |  |                     |         |  |   | 850    
|                          |  |                 |         |                     |   |               |  |                     |         |  |   |        
|                          |  |                 |         |                     | $ | 237,333       |  |                     |         |  | $ | 115,013
|                          |  |                 |         |                     |   |               |  |                     |         |  |   |        



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Fair value is the price that would be received to sell an asset or paid to transfer a
liability in an orderly transaction between market participants in the market in which the reporting entity transacts business. Valuation techniques used to measure fair value must maximize the use of observable inputs and minimize the use of
unobservable inputs. The fair value hierarchy is based on three levels of inputs that may be used to measure fair value, of which the first two are considered observable and the last is considered unobservable. These levels of inputs are the
following:

Level 1Quoted prices in active markets for identical assets or liabilities.

Level 2Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or
liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the
assets or liabilities.

Fair Value Measurements

Our financial instruments are valued using quoted prices in active markets. The following table sets forth the fair value of our financial
assets and liabilities that were measured on a recurring basis as of April 30, 2010 and 2009 (in thousands):



|                       |  |         |         |         |   |         |  |       |   |  |   |        
|---------------------- |  | ------- | ------- | ------- | - | ------- |  | ----- | - |  | - | -------
|                       |  | Level 1 |         | Level 2 |   | Level 3 |  | Total
|April 30, 2010:        |  |         |         |         |   |         |  |       |   |  |   |        
|Money Market Funds (1) |  | $       | 198,724 |         | $ |        |  | $     |  |  | $ | 198,724
|April 30, 2009:        |  |         |         |         |   |         |  |       |   |  |   |        
|Money Market Funds (1) |  | $       | 99,180  |         | $ |        |  | $     |  |  | $ | 99,180 



|(1) | Included in cash and cash equivalents on our consolidated balance sheets as of April 30, 2010 and 2009.
|--- | -------------------------------------------------------------------------------------------------------

Our investments in money market funds are measured at fair value on a recurring basis. Our money market funds comply with Rule 2a-7 of
the Investment Company Act of 1940 and are targeted to be priced and have a value of $1 net asset value per share. These money market funds are actively traded and reported daily through a variety of sources. Due to the structure and valuation
required by the Investment Company Act of 1940 regarding Rule 2a-7 funds, the fair value of the money market fund investments are classified as Level 1.

During fiscal 2010, we did not remeasure any nonfinancial assets and liabilities measured at fair value on a nonrecurring basis, such as
goodwill, intangible assets, property and equipment and nonfinancial assets and liabilities initially measured at fair value in a business combination.

Note 9. Stockholders Equity

Preferred Stock

As of April 30, 2010, we have 9,958,000 shares of preferred stock authorized. The preferred stock is undesignated and the Board of
Directors has the authority to issue new series of preferred stock and determine the rights, preferences and privileges of such preferred stock.

Warrants and Convertible Senior Notes

In connection with the acquisition of Packeteer in June 2008, we issued Convertible Senior Notes convertible into 3,853,564 shares of our
common stock at the holders option at any time prior to maturity at the initial conversion price of $20.76 and Warrants to purchase an aggregate of 385,356 shares of our common stock at an exercise price of $20.76. See Note 6 for further
information regarding the Convertible Senior Notes and Warrants.



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Stock-Based Compensation Plans

2010 New Employee Stock Incentive Plan

On April 22, 2010, our Board of Directors approved the 2010 New Employee Stock Incentive Plan (the 2010 Stock Incentive
Plan), under which 300,000 shares of common stock were reserved for issuance. The 2010 Stock Incentive Plan is designed to attract new employees and seeks to achieve this purpose by providing for equity awards in the form of restricted shares,
stock units or options.

As of April 30, 2010, 300,000 shares of common stock were available for future equity awards and
there were no outstanding awards under the 2010 Stock Incentive Plan.

Employee Stock Purchase Plan

In September 1999, our Board of Directors adopted the Employee Stock Purchase Plan (ESPP), which became effective upon our
initial public offering and was most recently amended on October 30, 2009 to increase the maximum aggregate number of shares that may be issued under the ESPP by 3,000,000 shares. Under the ESPP, eligible employees may purchase common stock
through payroll deductions, not to exceed the greater of 25% of an employees compensation or $10,000 per six-month offering period, at a price equal to 85% of the closing fair market value of our common stock on the lower of the first day of
the offering or the last day of the applicable six-month purchase period.

As of April 30, 2010, 3,247,707 shares of
common stock were available for future purchase and 2,552,293 shares of common stock have been issued under the employee stock purchase plan.

There were 692,964, 609,301 shares and 241,866 shares purchased through our employee stock purchase plan during the fiscal years ended
April 30, 2010, 2009 and 2008, respectively.

2007 Stock Incentive Plan

On August 27, 2007, our Board of Directors approved the 2007 Stock Incentive Plan (the 2007 Stock Incentive Plan), under
which 2,000,000 shares of common stock were reserved for issuance, together with shares reserved against options or awards made under the 1999 Stock Incentive Plan, 2000 Supplemental Stock Option Plan, 1999 Director Option Plan or 2007 New Employee
Stock Incentive Plan (the Prior Plans) as of the date of effectiveness of the 2007 Stock Incentive Plan. The 2007 Stock Incentive Plan provides for four different types of equity compensation awards: stock options, stock appreciation
rights, restricted stock awards; and restricted stock units. The 2007 Stock Incentive Plan was approved by our stockholders on October 2, 2007, and became effective at that time. The Prior Plans were terminated upon the effectiveness of the
2007 Stock Incentive Plan and options and awards made under the Prior Plans are deemed incorporated into the 2007 Stock Incentive Plan, but shall remain outstanding in accordance with their original terms. On October 4, 2007, the effective date
of our stock dividend, the shares of common stock reserved for issuance under the 2007 Stock Incentive Plan increased to 4,000,000 shares, and shares reserved against outstanding options or awards under the Prior Plans increased by twice the amount
then reserved. The 2007 Stock Incentive Plan will automatically terminate on the tenth anniversary of the adoption of the 2007 Stock Incentive Plan by the Board of Directors (August 27, 2017).

As of April 30, 2010, 1,485,377 shares of our common stock were available for future equity awards under the 2007 Stock Incentive
Plan and 5,205,999 shares of our common stock were subject to outstanding equity awards under the aforementioned equity stock incentive plans, including the 2007 Stock Incentive Plan and the Prior Plans.

Plans Assumed Upon Acquisition

As a result of our acquisition of Packeteer, we assumed the outstanding options and restricted stock units granted by Packeteer under the
Packeteer, Inc. 1999 Stock Incentive Plan (the Packeteer Plan), the Workfire



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Technologies International, Inc. 2000 Stock Option Plan and the Tacit Networks, Inc. 2000 Equity Incentive Plan (the Assumed Awards). At April 30, 2010, with respect to the
Assumed Awards, the number of shares of common stock subject to outstanding stock options was 376,047 and the number of shares of common stock subject to outstanding restricted stock units was 51,816. We also assumed the Packeteer Plan (the
Assumed Plan) and have issued stock options and restricted stock units to former Packeteer employees under the Assumed Plan, consistent with its terms. At April 30, 2010, the number of shares of common stock subject to outstanding
stock options granted by us under the Assumed Plan was 183,433 and the number of outstanding restricted stock units of common stock issued by us under the Assumed Plan was 8,500. The Assumed Plan was terminated on May 19, 2009, and after that
date no additional shares of common stock can be granted under the Assumed Plan.

Restricted Stock Awards

Restricted stock awards as of April 30, 2010, 2009 and 2008 and changes during fiscal 2010, 2009 and 2008, respectively, were as
follows:



|                          |  |          |   |  |                                       |      
|------------------------- |  | -------- | - |  | ------------------------------------- | -----
|                          |  | Shares   |   |  | Weighted AverageGrant Date Fair Value
|Balance at April 30, 2007 |  | 113,400  |   |  | $                                     | 16.57
|Granted                   |  | 221,534  |   |  | $                                     | 25.83
|Vested                    |  | (29,020  | ) |  | $                                     | 17.58
|Cancelled                 |  | (5,498   | ) |  | $                                     | 24.57
|                          |  |          |   |  |                                       |      
|Balance at April 30, 2008 |  | 300,416  |   |  | $                                     | 23.15
|Granted                   |  | 347,821  |   |  | $                                     | 14.97
|Vested                    |  | (83,672  | ) |  | $                                     | 22.38
|Cancelled                 |  | (70,478  | ) |  | $                                     | 23.02
|                          |  |          |   |  |                                       |      
|Balance at April 30, 2009 |  | 494,087  |   |  | $                                     | 17.54
|Granted                   |  |         |   |  | $                                     |     
|Vested                    |  | (145,111 | ) |  | $                                     | 16.96
|Cancelled                 |  | (95,899  | ) |  | $                                     | 17.63
|                          |  |          |   |  |                                       |      
|Balance at April 30, 2010 |  | 253,077  |   |  | $                                     | 16.81
|                          |  |          |   |  |                                       |      

The total fair value of restricted stock awards vested during fiscal years ended April 30,
2010, 2009 and 2008 was $2.5 million, $1.9 million and $0.5 million, respectively.

Restricted Stock Units

Restricted stock units and related changes during fiscal 2010 and 2009 were as follows:



|                                                    |  |                       |   |  |                                       |      
|--------------------------------------------------- |  | --------------------- | - |  | ------------------------------------- | -----
|                                                    |  | Restricted StockUnits |   |  | Weighted AverageGrant Date Fair Value
|Balance at April 30, 2008                           |  | 5,000                 |   |  | $                                     | 26.69
|Assumed in connection with acquisition of Packeteer |  | 301,830               |   |  | $                                     | 18.57
|Vested                                              |  | (59,847               | ) |  | $                                     | 18.71
|Cancelled                                           |  | (120,698              | ) |  | $                                     | 18.57
|                                                    |  |                       |   |  |                                       |      
|Balance at April 30, 2009                           |  | 126,285               |   |  | $                                     | 18.82
|Granted                                             |  | 260,673               |   |  | $                                     | 18.76
|Vested                                              |  | (38,054               | ) |  | $                                     | 18.89
|Cancelled                                           |  | (56,557               | ) |  | $                                     | 17.43
|                                                    |  |                       |   |  |                                       |      
|Balance at April 30, 2010                           |  | 292,347               |   |  | $                                     | 19.03
|                                                    |  |                       |   |  |                                       |      



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The total fair value of restricted stock units vested during the fiscal years ended
April 30, 2010 and 2009 was $0.7 million and $1.1 million, respectively.

Stock Option Activity Under All Stock-Based Compensation
Plans

A summary of stock option activity under all stock-based compensation plans during the years ended April 30,
2010, 2009 and 2008 is as follows:



|                                                    |  |                     |   |  |                                        |       |                                                    |      |                                      |   |      
|--------------------------------------------------- |  | ------------------- | - |  | -------------------------------------- | ----- | -------------------------------------------------- | ---- | ------------------------------------ | - | -----
|                                                    |  | Options outstanding
|                                                    |  | Number ofOptions    |   |  | WeightedAverageExercisePrice Per Share |       | WeightedAverageRemainingContractual Term(in Years) |      | AggregateIntrinsicValue(in millions)
|Balance at April 30, 2007                           |  | 7,573,778           |   |  | $                                      | 14.11 |                                                    |      |                                      |   |      
|Options granted                                     |  | 1,747,072           |   |  | $                                      | 28.81 |                                                    |      |                                      |   |      
|Options exercised                                   |  | (3,066,832          | ) |  | $                                      | 8.34  |                                                    |      |                                      |   |      
|Options forfeited                                   |  | (511,456            | ) |  | $                                      | 18.37 |                                                    |      |                                      |   |      
|                                                    |  |                     |   |  |                                        |       |                                                    |      |                                      |   |      
|Balance at April 30, 2008                           |  | 5,742,562           |   |  | $                                      | 22.76 |                                                    |      |                                      |   |      
|Options granted                                     |  | 2,331,665           |   |  | $                                      | 14.37 |                                                    |      |                                      |   |      
|Assumed in connection with acquisition of Packeteer |  | 2,342,464           |   |  | $                                      | 30.83 |                                                    |      |                                      |   |      
|Options exercised                                   |  | (553,993            | ) |  | $                                      | 10.69 |                                                    |      |                                      |   |      
|Options forfeited                                   |  | (1,844,655          | ) |  | $                                      | 29.50 |                                                    |      |                                      |   |      
|                                                    |  |                     |   |  |                                        |       |                                                    |      |                                      |   |      
|Balance at April 30, 2009                           |  | 8,018,043           |   |  | $                                      | 21.96 |                                                    |      |                                      |   |      
|Options granted                                     |  | 1,290,362           |   |  | $                                      | 18.44 |                                                    |      |                                      |   |      
|Options exercised                                   |  | (2,380,602          | ) |  | $                                      | 14.01 |                                                    |      |                                      |   |      
|Options forfeited                                   |  | (1,647,432          | ) |  | $                                      | 36.44 |                                                    |      |                                      |   |      
|                                                    |  |                     |   |  |                                        |       |                                                    |      |                                      |   |      
|Outstanding at April 30, 2010                       |  | 5,280,371           |   |  | $                                      | 20.17 |                                                    | 6.80 |                                      | $ | 75.92
|                                                    |  |                     |   |  |                                        |       |                                                    |      |                                      |   |      
|Exercisable at April 30, 2010                       |  | 2,890,976           |   |  | $                                      | 21.96 |                                                    | 5.39 |                                      | $ | 40.38
|                                                    |  |                     |   |  |                                        |       |                                                    |      |                                      |   |      
|Vested and expected to vest at April 30, 2010       |  | 4,871,836           |   |  | $                                      | 20.38 |                                                    | 6.64 |                                      | $ | 69.78
|                                                    |  |                     |   |  |                                        |       |                                                    |      |                                      |   |      

The aggregate intrinsic value in the table above represents the total pretax intrinsic value
(i.e., the difference between our closing stock price on the last trading day of the fourth quarter of 2010 and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holders had all option
holders exercised their options on April 30, 2010. As the fair market value of our common stock changes, the pretax intrinsic value will change as well. Total intrinsic value of options exercised was $31.4 million, $2.7 million and $74.0
million for the years ended April 30, 2010, 2009 and 2008, respectively. The weighted average grant date fair value of stock options granted to employees was $10.14, $7.95 and $16.84 per share during the fiscal years ended April 30, 2010,
2009 and 2008, respectively.



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The following table provides segregated ranges of outstanding and exercisable stock options
at April 30, 2010:



|                        |                             |                     |                                        |                     |                              |  |                             |        |                              |           |  |   |       
|----------------------- | --------------------------- | ------------------- | -------------------------------------- | ------------------- | ---------------------------- |  | --------------------------- | ------ | ---------------------------- | --------- |  | - | ------
|Range of ExercisePrices |                             | Options Outstanding |                                        | Options Exercisable
|                        | Number ofOptionsOutstanding |                     | WeightedAverageContractualLife (Years) |                     | WeightedAverageExercisePrice |  | Number ofOptionsExercisable |        | WeightedAverageExercisePrice
|$                       | 0.03  $    8.35            |                     | 589,546                                |                     | 4.62                         |  | $                           | 6.55   |                              | 523,947   |  | $ | 6.39  
|$                       | 8.37  $  10.80             |                     | 425,255                                |                     | 6.36                         |  | $                           | 9.51   |                              | 259,438   |  | $ | 9.52  
|$                       | 10.84  $  14.60            |                     | 611,272                                |                     | 7.06                         |  | $                           | 13.13  |                              | 241,106   |  | $ | 13.63 
|$                       | 15.19  $  16.03            |                     | 792,666                                |                     | 8.59                         |  | $                           | 15.91  |                              | 163,859   |  | $ | 15.85 
|$                       | 16.44  $  17.58            |                     | 851,008                                |                     | 7.58                         |  | $                           | 17.02  |                              | 428,901   |  | $ | 17.20 
|$                       | 17.98  $  22.96            |                     | 601,098                                |                     | 7.14                         |  | $                           | 20.68  |                              | 315,703   |  | $ | 20.85 
|$                       | 23.78  $  34.94            |                     | 937,071                                |                     | 6.94                         |  | $                           | 26.83  |                              | 537,195   |  | $ | 26.77 
|$                       | 35.38  $  43.84            |                     | 259,216                                |                     | 4.77                         |  | $                           | 39.53  |                              | 243,762   |  | $ | 39.45 
|$                       | 46.45  $  76.25            |                     | 165,933                                |                     | 5.31                         |  | $                           | 52.42  |                              | 129,759   |  | $ | 52.94 
|$                       | 122.50  $262.50            |                     | 47,306                                 |                     | 0.17                         |  | $                           | 147.17 |                              | 47,306    |  | $ | 147.17
|                        |                             |                     |                                        |                     |                              |  |                             |        |                              |           |  |   |       
|$                       | 0.03  $262.50              |                     | 5,280,371                              |                     | 6.80                         |  | $                           | 20.17  |                              | 2,890,976 |  | $ | 21.96 
|                        |                             |                     |                                        |                     |                              |  |                             |        |                              |           |  |   |       

The total number of unvested options outstanding as of April 30, 2010 and 2009 was 2,965,662
and 3,925,361, respectively. The total fair value of options vested during fiscal years ended April 30, 2010 and 2009 was $13.5 million and $13.4 million, respectively.

We settle employee stock option exercises primarily with newly issued common shares. We received $40.3 million, $12.2 million and $29.8
million in cash from the issuance of common stock under all employee stock plans for the fiscal years ended April 30, 2010, 2009 and 2008, respectively. In connection with these exercises, the tax benefit (expense) realized by us was $1.9
million, $(0.9) million and $14.5 million for the fiscal years ended April 30, 2010, 2009 and 2008, respectively.

Stock-Based
Compensation Expense

Stock-based compensation expense is included in the following line items in our consolidated
statements of operations:



|                                  |  |                      |        |      |   |        |  |   |       
|--------------------------------- |  | -------------------- | ------ | ---- | - | ------ |  | - | ------
|                                  |  | Year Ended April 30,
|                                  |  | 2010                 |        | 2009 |   | 2008  
|                                  |  | (in thousands)      
|Stock-based compensation expense: |  |                      |        |      |   |        |  |   |       
|Cost of net revenue: product      |  | $                    | 588    |      | $ | 668    |  | $ | 775   
|Cost of net revenue: service      |  |                      | 1,425  |      |   | 1,174  |  |   | 808   
|Sales and marketing               |  |                      | 6,520  |      |   | 6,419  |  |   | 5,593 
|Research and development          |  |                      | 6,491  |      |   | 5,304  |  |   | 4,986 
|General and administrative        |  |                      | 4,210  |      |   | 4,832  |  |   | 4,644 
|                                  |  |                      |        |      |   |        |  |   |       
|Subtotal                          |  |                      | 19,234 |      |   | 18,397 |  |   | 16,806
|Restructuring                     |  |                      | 108    |      |   | 88     |  |   |      
|                                  |  |                      |        |      |   |        |  |   |       
|Total                             |  | $                    | 19,342 |      | $ | 18,485 |  | $ | 16,806
|                                  |  |                      |        |      |   |        |  |   |       

Included in stock-based compensation for the years
ended April 30, 2010, 2009 and 2008 was $3.3 million, $2.8 million and $1.8 million, respectively, related to the amortization of expenses related to shares granted under our employee stock purchase plan.



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Determining the Fair Value using the Black-Scholes Option Valuation Model



| |  |  | Valuation and Amortization Method.The fair value of employee stock options and employee stock purchase rights is estimated on the date of grant
using the Black-Scholes option valuation model. For awards granted before May 1, 2006, we amortize the fair value on a graded basis over the requisite service period. For awards granted on or after May 1, 2006, we amortize the fair value
on a straight-line basis over the requisite service period.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Expected Term. We estimate the expected term of options granted annually based on our historical experience of grants, exercise pattern and
post-vesting cancellations. We determine the expected term by combining a historical holding period from historical settlements with a hypothetical holding period for the outstanding options on a weighted average basis.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Volatility. We estimate the volatility of our stock options and ESPP grants monthly at the date of grant using a combination of historical and
implied volatilities. We compute the volatility using a 50/50 weighting of (a) historical volatility over the expected term and (b) implied volatility of traded stock options.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Risk-Free Interest Rate.The risk-free interest rate that we use in the Black-Scholes option valuation model is the implied yield in effect at
the time of option grant based on U.S. Treasury zero-coupon issues with a remaining term equivalent to the expected term of our option grants. For ESPP grants, we use the 6-month Constant Maturity Treasury (CMT) rate.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Dividend Yield.We have never paid any cash dividends on our common stock and we do not anticipate paying any cash dividends in the foreseeable
future. Consequently, we use a dividend yield of zero in the Black-Scholes option valuation model.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Estimating
Forfeitures

We estimate our forfeitures annually based on an analysis of historical pre-vesting forfeitures. We calculate
a forfeiture rate for our stock options and restricted stock award grants separately based on historical forfeiture activity, but due to the immateriality of our restricted stock award and restricted stock unit grants, we utilized a combined
forfeiture rate. To the extent our actual forfeitures are different than our estimates, we record a true-up for the difference in the period that the awards vest.

We used the following assumptions to estimate the fair value of options granted and shares purchased under our employee stock plans and
stock purchase plan and to record stock-based compensation expense for fiscal years ended April 30, 2010, 2009 and 2008:



|                             |  |                      |   |  |      |   |  |      |  
|---------------------------- |  | -------------------- | - |  | ---- | - |  | ---- | -
|                             |  | Year Ended April 30, |  
|Stock Options                |  | 2010                 |   |  | 2009 |   |  | 2008 |  
|Risk-free interest rate      |  | 2.6                  | % |  | 2.6  | % |  | 4.3  | %
|Expected term (in years)     |  | 4.8                  |   |  | 4.0  |   |  | 4.6  |  
|Dividend yield               |  |                     |   |  |     |   |  |     |  
|Volatility                   |  | 66                   | % |  | 73   | % |  | 68   | %
|Expected forfeitures         |  | 14.0                 | % |  | 14.0 | % |  | 10.0 | %
|                             | 
|                             |  | Year Ended April 30, |  
|Employee Stock Purchase Plan |  | 2010                 |   |  | 2009 |   |  | 2008 |  
|Risk-free interest rate      |  | 0.2                  | % |  | 1.1  | % |  | 2.6  | %
|Expected term (in years)     |  | 0.5                  |   |  | 0.5  |   |  | 0.5  |  
|Volatility                   |  | 53                   | % |  | 75   | % |  | 67   | %

As of
April 30, 2010, $27.9 million of total unrecognized compensation costs related to non-vested awards is expected to be recognized over the respective vesting terms of each award through 2014. The weighted average term of the unrecognized
stock-based compensation expense is 2.56 years.



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Shares Reserved for Future Issuance

The following shares of common stock are reserved for future issuance as of April 30, 2010:



|                                                           |  |               
|---------------------------------------------------------- |  | --------------
|                                                           |  | April 30, 2010
|Warrants outstanding                                       |  | 385,356       
|Convertible Senior Notes                                   |  | 3,853,564     
|Restricted Stock Units                                     |  | 292,347       
|Stock options:                                             |  |               
|Granted and outstanding                                    |  | 5,280,371     
|Available for grant                                        |  | 1,485,377     
|Employee stock purchase plan available for future issuance |  | 3,247,707     
|                                                           |  |               
|Total                                                      |  | 14,544,722    
|                                                           |  |               

2007 Tender Offer

We conducted an investigation into our historical stock option granting processes which led to a March 2007 restatement as of
April 30, 2005 and for the years ended April 30, 2005 and 2004. As a consequence of that investigation, we determined that the measurement dates for a number of stock option grants made by us during the period from November 1999 to May
2006 differed from the measurement dates previously used to account for such grants. This resulted in an exercise price for those options less than the fair market value on the actual grant date and, for accounting purposes, such options were deemed
to have been issued at a discount, which could expose the holders of those options to potentially adverse tax consequences under Section 409A of the Internal Revenue Code and state law equivalents. We made a tender offer to certain individuals
and provided them the opportunity to increase the exercise price of the discounted options to the fair market value on the actual grant date of that option, in order to avoid the potentially adverse tax consequences (the 2007 Tender
Offer). The 2007 Tender Offer was completed on May 29, 2007. As a result of the 2007 Tender Offer, we amended outstanding options covering 1,788,080 shares of our common stock. In addition, under the terms of the 2007 Tender Offer, the
participants whose options were amended received a special cash bonus, in the aggregate amount of $2.7 million, to compensate them for the higher exercise prices per share in effect for their amended options. The bonus costs, which were recorded
during the first quarter of fiscal 2008, resulted in a decrease to additional paid-in capital of $1.2 million, an increase in stock-based compensation expense of $1.5 million and an increase in payroll tax expenses of $0.2 million. Under
Section 409A of the Internal Revenue Code, the cash bonus could not be paid in the same calendar year in which the options were amended. Accordingly, the cash bonuses were paid in January 2008.

Note 10. Income Taxes

The domestic and foreign components of income (loss) before income taxes were as follows:



|                            |  |                      |        |      |   |       |      |  |   |         |  
|--------------------------- |  | -------------------- | ------ | ---- | - | ----- | ---- |  | - | ------- | -
|                            |  | Year Ended April 30, |       
|                            |  | 2010                 |        | 2009 |   |       | 2008 | 
|                            |  | (in thousands)       |       
|U.S.                        |  | $                    | 6,318  |      | $ | 1,127 |      |  | $ | 72,375  |  
|Non-U.S.                    |  |                      | 31,033 |      |   | (504  | )    |  |   | (41,845 | )
|                            |  |                      |        |      |   |       |      |  |   |         |  
|Total pre-tax income (loss) |  | $                    | 37,351 |      | $ | 623   |      |  | $ | 30,530  |  
|                            |  |                      |        |      |   |       |      |  |   |         |  



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The (benefit) provision for income taxes was as follows:



|                                     |  |                      |         |   |      |   |       |  |   |         |  
|------------------------------------ |  | -------------------- | ------- | - | ---- | - | ----- |  | - | ------- | -
|                                     |  | Year Ended April 30, |        
|                                     |  | 2010                 |         |   | 2009 |   | 2008  | 
|                                     |  | (in thousands)       |        
|U.S. federal taxes:                  |  |                      |         |   |      |   |       |  |   |         |  
|Current                              |  | $                    | 15,255  |   |      | $ | 2,765 |  | $ | 15,785  |  
|Deferred                             |  |                      | (25,323 | ) |      |   | 1,748 |  |   | (17,353 | )
|Non-U.S. taxes:                      |  |                      |         |   |      |   |       |  |   |         |  
|Current                              |  |                      | 3,187   |   |      |   | 2,835 |  |   | 995     |  
|Deferred                             |  |                      | (13     | ) |      |   |      |  |   |        |  
|State taxes:                         |  |                      |         |   |      |   |       |  |   |         |  
|Current                              |  |                      | 1,175   |   |      |   | 1,216 |  |   | 827     |  
|Deferred                             |  |                      | 191     |   |      |   | 567   |  |   | (2,292  | )
|                                     |  |                      |         |   |      |   |       |  |   |         |  
|(Benefit) provision for income taxes |  | $                    | (5,528  | ) |      | $ | 9,131 |  | $ | (2,038  | )
|                                     |  |                      |         |   |      |   |       |  |   |         |  

A reconciliation of the income tax (benefit) provision to the amount computed by applying the statutory
federal income tax rate to net income (loss) before income tax (benefit) provision is summarized as follows:



|                                     |  |                      |         |   |      |   |        |      |  |   |         |  
|------------------------------------ |  | -------------------- | ------- | - | ---- | - | ------ | ---- |  | - | ------- | -
|                                     |  | Year Ended April 30, |        
|                                     |  | 2010                 |         |   | 2009 |   |        | 2008 | 
|                                     |  | (in thousands)       |        
|Provision at statutory rate          |  | $                    | 13,073  |   |      | $ | 218    |      |  | $ | 10,686  |  
|State and local income taxes         |  |                      | 888     |   |      |   | 818    |      |  |   | (952    | )
|Foreign income taxes                 |  |                      | 3,636   |   |      |   | 3,174  |      |  |   | 15,750  |  
|Net operating loss utilization       |  |                      |        |   |      |   |       |      |  |   | (10,382 | )
|Valuation allowance                  |  |                      | (25,256 | ) |      |   | 1,748  |      |  |   | (17,603 | )
|Stock-based compensation             |  |                      | 1,401   |   |      |   | 3,587  |      |  |   | 2,032   |  
|R & D credit                         |  |                      | 272     |   |      |   | (1,402 | )    |  |   | (1,663  | )
|Other                                |  |                      | 458     |   |      |   | 988    |      |  |   | 94      |  
|                                     |  |                      |         |   |      |   |        |      |  |   |         |  
|(Benefit) provision for income taxes |  | $                    | (5,528  | ) |      | $ | 9,131  |      |  | $ | (2,038  | )
|                                     |  |                      |         |   |      |   |        |      |  |   |         |  

The primary difference between the effective tax rate and the federal statutory tax rate relates to taxes in
foreign jurisdictions with a tax rate different than the U.S. federal statutory rate, non-deductible stock-based compensation expense, the utilization of tax attributes not previously benefited and a recognition of deferred tax assets based on
projections of future taxable income.



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Deferred income taxes reflect the net tax effects of temporary differences between the
carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of our deferred tax assets and liabilities are as follows:



|                                     |  |                |         |   |      |   |         |  
|------------------------------------ |  | -------------- | ------- | - | ---- | - | ------- | -
|                                     |  | April 30,      |        
|                                     |  | 2010           |         |   | 2009 |  
|                                     |  | (in thousands) |        
|Deferred tax assets:                 |  |                |         |   |      |   |         |  
|Net operating loss carryforwards     |  | $              | 33,303  |   |      | $ | 27,814  |  
|Stock-based compensation             |  |                | 5,778   |   |      |   | 7,335   |  
|Other accruals/reserves              |  |                | 14,496  |   |      |   | 16,301  |  
|Fixed assets                         |  |                |        |   |      |   | 2,995   |  
|Tax credits                          |  |                | 8,160   |   |      |   | 12,743  |  
|Capitalized research and development |  |                | 4,683   |   |      |   | 8,369   |  
|                                     |  |                |         |   |      |   |         |  
|                                     |  |                | 66,420  |   |      |   | 75,557  |  
|Valuation allowance                  |  |                | (550    | ) |      |   | (36,427 | )
|                                     |  |                |         |   |      |   |         |  
|Total deferred tax assets            |  | $              | 65,870  |   |      | $ | 39,130  |  
|                                     |  |                |         |   |      |   |         |  
|Deferred tax liabilities:            |  |                |         |   |      |   |         |  
|Prepaid expenses                     |  | $              | (1,060  | ) |      | $ | (564    | )
|Fixed assets                         |  |                | (2,119  | ) |      |   |        |  
|Intangible assets                    |  |                | (6,674  | ) |      |   | (8,879  | )
|Goodwill                             |  |                | (3,520  | ) |      |   | (2,334  | )
|                                     |  |                |         |   |      |   |         |  
|Total deferred tax liabilities       |  |                | (13,373 | ) |      |   | (11,777 | )
|                                     |  |                |         |   |      |   |         |  
|Net deferred tax assets              |  | $              | 52,497  |   |      | $ | 27,353  |  
|                                     |  |                |         |   |      |   |         |  

In evaluating our ability to realize our deferred tax assets, we consider all available positive and
negative evidence, including past, current, and forecasted future operating results, our history of losses or profits and forecasts of future taxable income or losses. In the fourth quarter of fiscal 2010, we determined that it is
more-likely-than-not that we will realize all remaining federal and state deferred tax assets, other than capital loss carryforwards and certain tax assets (including net operating losses and tax credits in the state of California) due to current
earnings and projections of future profits. Accordingly, the Company released the valuation allowance against $10.6 million of previously unrecognized deferred tax assets during the fourth quarter of fiscal 2010. The Company recognized an additional
$14.5 million of deferred tax assets during the current fiscal year which primarily related to the utilization of previously unbenefitted tax attributes to offset current taxable income in the U.S. In addition, there were reductions in the valuation
allowance of $10.4 million that did not impact tax expense primarily related to adjustments of deferred tax assets associated with the reversals of temporary differences and the reduction of California deferred tax assets that will not be available
in the future as a result of changes in California tax law that will impact the Companys ability to utilize the assets.

As of April 30, 2010, we had net operating loss carryforwards for federal income tax purposes of approximately $217.9 million, which
will expire in fiscal years ending in 2013 through 2030, if not utilized. We also had net operating loss carryforwards for state income tax purposes of approximately $68.6 million, which will expire in fiscal years 2011 through 2030 if not utilized.
Of the total tax attributes, we have $101.6 million of federal net operating loss carryforwards and $68.0 million of state net operating loss carryforwards for which no deferred tax asset has or will be recorded until the tax benefit relating to
excess stock compensation deduction is realized. We also had federal and California tax credit carryforwards of approximately $14.0 million and $14.4 million, respectively. The federal research credit carryforwards will expire starting in 2027, if
not utilized. The federal alternative minimum tax credit and California credit carryforwards are not subject to expiration.

Utilization of our net operating loss and credit carryforwards are subject to substantial annual limitations due to the ownership change
provisions of the Internal Revenue Code and similar state provisions. To date, these



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annual limitations have resulted in the expiration of net operating loss and tax credit carryforwards before utilization of approximately $20.8 million and $3.6 million, respectively. Utilization
of federal and state net operating losses of approximately $197.1 million and $68.6 million, respectively, as well as $10.4 million and $14.4 million of federal and state credits, respectively, are subject to annual limitations ranging from
approximately $7.0 million to $17.0 million.

Our total gross unrecognized tax benefits as of April 30, 2010, 2009 and 2008
were $33.9 million, $18.8 million and $2.8 million, respectively. Included in our gross unrecognized tax benefits as of April 30, 2010 is approximately $31.8 million of tax benefits that, if recognized, would result in an adjustment to our effective
tax rate.

Total amount of gross unrecognized tax benefits (in thousands):



|                                                             |  |   |        |  
|------------------------------------------------------------ |  | - | ------ | -
|Opening balance at May 1, 2007                               |  | $ | 2,247  |  
|Increase in balance due to current fiscal year tax positions |  |   | 971    |  
|Reductions for prior fiscal year tax positions               |  |   | (373   | )
|                                                             |  |   |        |  
|Closing balance at April 30, 2008                            |  |   | 2,845  |  
|Increase in balance due to prior fiscal year tax positions   |  |   | 12,886 |  
|Increase in balance due to current fiscal year tax positions |  |   | 3,024  |  
|Reductions for prior fiscal year tax positions               |  |   |       |  
|                                                             |  |   |        |  
|Closing balance at April 30, 2009                            |  |   | 18,755 |  
|Increase in balance due to prior fiscal year tax positions   |  |   | 1,513  |  
|Increase in balance due to current fiscal year tax positions |  |   | 14,346 |  
|Reductions for prior fiscal year tax positions               |  |   | (749   | )
|                                                             |  |   |        |  
|Closing balance at April 30, 2010                            |  | $ | 33,865 |  
|                                                             |  |   |        |  

We have elected to classify interest and penalties related to uncertain tax positions as a component of our
provision for income taxes. Accrued interest and penalties relating to our unrecognized tax benefits was approximately $1.3 million, $1.0 million, and $0.03 million as of April 30, 2010, 2009 and 2008, respectively, including approximately $0.3
million, $0.3 million and $0.02 million charged to provision for income taxes for fiscal years 2010, 2009 and 2008, respectively.

Due to our taxable loss position from inception through fiscal year 2007, all tax years are subject to examination in U.S. federal and
state jurisdictions. We are also subject to examination in various foreign jurisdictions for tax years 2003 forward, none of which are individually material. We are unable to anticipate the change to the balance of our unrecognized tax benefits in
the next twelve months due to the possibility of tax examinations and our continued assessment of potential contingencies.

Note 11.
Defined Contribution and Other Postretirement Plans

We have a defined contribution benefit plan under Section 401(k)
of the Internal Revenue Code, which covers substantially all U.S. employees. U.S. employees are automatically enrolled in our 401(k) Plan when they meet eligibility requirements, unless they decline participation. Eligible employees may
contribute pre-tax amounts to the plan via payroll withholdings, subject to certain limitations. We match participant contributions on a dollar for dollar basis up to the lower of 3% of a participants eligible compensation or $1,500 per
calendar year. Matching contributions are invested in accordance with a participants existing investment elections and become fully vested after four years of service. Certain of our foreign subsidiaries also have defined contribution plans in
which a majority of their employees participate. The amount of employer expenses including the employer contributions to our 401(k) Plan and foreign subsidiaries plans during the years ended April 30, 2010, 2009 and 2008 were $3.5 million,
$2.8 million and $1.7 million, respectively. The number of plan participants in our defined contribution plans has increased over the last three fiscal years as a result of additional eligible employees from our acquisitions and higher headcount
during the fiscal year due to our hiring of additional employees.



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Note 12. Commitments and Contingencies

Guarantees, Indemnifications and Warranty Obligations

Our customer agreements generally include certain provisions for indemnifying such customers against certain liabilities, including if our
products infringe a third partys intellectual property rights. We have also agreed in certain circumstances to indemnify for customer costs that would be incurred in connection with a product recall. To date, we have not incurred any material
costs as a result of such indemnification provisions and we have not accrued any liabilities related to such obligations in the accompanying consolidated financial statements.

Our Bylaws provide that we shall indemnify our directors and officers to the fullest extent permitted by Delaware law, including in
circumstances in which indemnification is otherwise discretionary under Delaware law. We have also entered into indemnification agreements or other contractual arrangements with current and former executive officers and directors of our company and
of certain of our subsidiaries, which contain provisions that may require us, among other things, to indemnify such officers and directors against certain liabilities that may arise by reason of their status or service as directors or officers and
to advance their expenses incurred as a result of any proceeding against them as to which they could be indemnified. We were required to indemnify certain current and former officers and directors and other employees for their attorneys fees
and related expenses incurred in connection with the regulatory investigations relating to our historical stock option grant practices, and expect to have indemnification obligations to certain current and former officers and directors and other
employees in connection with the derivative litigation and internal investigations relating to our historical stock option granting practices.

We maintain a warranty accrual for estimated future warranty obligations based on the historical warranty costs and revenue volumes
together with anticipated future warranty costs. If actual warranty expenses are greater than those projected, additional charges against earnings would be required. If actual warranty expenses are less than projected, our obligations would be
reduced, which would positively impact our reported results. We generally provide a one-year warranty on hardware products.

Changes in our warranty obligations, which are included in other current liabilities in our consolidated balance sheets for the years
ended April 30, 2010, and 2009 were as follows:



|                                                          |  |                      |        |   |      |   |        |  
|--------------------------------------------------------- |  | -------------------- | ------ | - | ---- | - | ------ | -
|                                                          |  | Year Ended April 30, |       
|                                                          |  | 2010                 |        |   | 2009 |  
|                                                          |  | (in thousands)       |       
|Beginning balances                                        |  | $                    | 876    |   |      | $ | 434    |  
|Warranties issued during the year                         |  |                      | 2,626  |   |      |   | 2,565  |  
|Warranty costs incurred during the year                   |  |                      | (2,643 | ) |      |   | (2,506 | )
|Warranty liabilities assumed in Packeteer acquisition     |  |                      |       |   |      |   | 383    |  
|Change in estimate of warranty obligation during the year |  |                      | (211   | ) |      |   |       |  
|                                                          |  |                      |        |   |      |   |        |  
|Ending balances                                           |  | $                    | 648    |   |      | $ | 876    |  
|                                                          |  |                      |        |   |      |   |        |  

Leases

We lease certain office equipment and office facilities under non-cancelable operating leases that expire at various dates through fiscal
2020. The facility leases generally require us to pay operating costs, including property taxes, insurance and maintenance, and may contain scheduled rent increases and certain other rent escalation clauses. Rent expense is recognized in our
consolidated financial statements on a straight-line basis over the terms of the respective leases after consideration of rent holidays and improvement allowances, if applicable, with any assets purchased using a lessee improvement allowance
capitalized as fixed assets and depreciated over the shorter of their useful lives or the lease term.

In September 2005, we
commenced a five-year operating lease of a building that serves as our headquarters in Sunnyvale, California. On June 20, 2008, we amended the lease for our corporate headquarters. Pursuant to the



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lease amendment, we added 116,586 additional square feet of space comprising an additional building and extended the term of the lease through November 30, 2015. The lease amendment provides
for an annualized base rent ranging from $2.7 million to $3.4 million for the new premises during the term of the lease applicable to the new premises, which commenced on November 1, 2008. The lease amendment provides for an annualized
base rent ranging from $2.9 million to $3.4 million for the existing premises during the extension term, which commenced on September 1, 2010.

In connection with the lease, we are required to maintain an irrevocable standby letter of credit with a major financial institution as a
form of security. The amount of the letter of credit was $0.9 million and 0.8 million at April 30, 2010 and 2009, respectively and the letter of credit currently expires in March 2011. The letter of credit is secured by deposits and provides for
automatic annual extensions, without amendment, for a period of one year on each successive expiration date, but no later than the lease expiration of November 30, 2015. The deposits securing the letter of credit are classified as long-term
restricted cash in the accompanying consolidated balance sheets as of April 30, 2010 and 2009, respectively.

Rent expense was
$10.1 million, $10.1 million and $4.5 million for the years ended April 30, 2010, 2009 and 2008, respectively.

As of April
30, 2010, future minimum lease payments under non-cancelable operating leases with initial or remaining terms in excess of one year are as follows:



|                                         |  |                |       
|---------------------------------------- |  | -------------- | ------
|Year ending April 30,                    |  | Amount        
|                                         |  | (in thousands)
|2011                                     |  | $              | 10,008
|2012                                     |  |                | 9,324 
|2013                                     |  |                | 9,145 
|2014                                     |  |                | 8,143 
|2015                                     |  |                | 7,536 
|Thereafter                               |  |                | 5,782 
|                                         |  |                |       
|Total future minimum lease payments, net |  | $              | 49,938
|                                         |  |                |       

Purchase Commitments and Other

We purchase components from a variety of suppliers and use several contract manufacturers to provide manufacturing services for our
products. During the normal course of business, in order to manage manufacturing lead times and help ensure adequate component supply, we enter into agreements with contract manufacturers and suppliers that either allow them to procure inventory
based upon criteria as defined by us or that establish the parameters defining our requirements. A significant portion of our reported purchase commitments arising from these agreements consists of firm, noncancelable, and unconditional commitments.
In certain instances, these agreements allow us the option to cancel, reschedule, and adjust our requirements based on our business needs prior to firm orders being placed. These agreements are enforceable and legally binding against us in the short
term and all amounts under these arrangements are due to be paid by the end of fiscal 2011. As of April 30, 2010 our total purchase commitments for inventory were $5.3 million.

Legal settlement expenses are included in general and administrative expenses in the consolidated statements of operations.

At April 30, 2010, we had a liability for unrecognized tax benefits of $26.0 million. Due to uncertainties with respect to the timing of
future cash flows associated with our unrecognized tax benefits at April 30, 2010, we are unable to make reasonably reliable estimates of the period of cash settlement with the applicable taxing authority. See Note 10 for a discussion of income
taxes.



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Note 13. Litigation

IPO Allocation Litigation

Beginning on May 16, 2001, a series of putative securities class actions were filed in the United States District Court for the
Southern District of New York against the firms that underwrote our initial public offering, us, and some of our officers and directors. These cases have been consolidated under the case captionedIn re CacheFlow, Inc. Initial Public Offering
Securities Litigation, Civil Action No. 1-01-CV-5143. In November 2001, a putative class action lawsuit was filed in the United States District Court for the Southern District of New York against the firms that underwrote Packeteers
initial public offering, Packeteer, and some of its officers and directors. An amended complaint, captioned In re Packeteer, Inc. Initial Public Offering Securities Litigation, Civil Action No. 01-CV-10185, was filed on April 20,
2002.

These are two of a number of actions coordinated for pretrial purposes asIn re Initial Public Offering Securities
Litigation, 21 MC 92, with the first action filed on January 12, 2001. Plaintiffs in the coordinated proceeding are bringing claims under the federal securities laws against numerous underwriters, companies, and individuals, alleging
generally that defendant underwriters engaged in improper and undisclosed activities concerning the allocation of shares in the IPOs of more than 300 companies during late 1998 through 2000. Among other things, the plaintiffs allege that the
underwriters customers had to pay excessive brokerage commissions and purchase additional shares of stock in the aftermarket in order to receive favorable allocations of shares in an IPO.

The consolidated amended complaint in our case seeks unspecified damages on behalf of a purported class of purchasers of our common stock
between December 9, 1999 and December 6, 2000. Pursuant to a tolling agreement, the individual defendants were dismissed without prejudice. On February 19, 2003, the Court denied our motion to dismiss the claims against us.

The amended complaint in the Packeteer case seeks unspecified damages on behalf of a purported class of purchasers of
Packeteers common stock between July 27, 1999 and December 6, 2000.

In June 2004, a stipulation of settlement
and release of claims against the issuer defendants, including us and Packeteer, was submitted to the Court for approval. On August 31, 2005, the Court preliminarily approved the settlement. In December 2006, the appellate court overturned the
certification of classes in six test cases that were selected by the underwriter defendants and plaintiffs in the coordinated proceedings. Because class certification was a condition of the settlement, it was deemed unlikely that the settlement
would receive final Court approval. On June 25, 2007, the Court entered an order terminating the proposed settlement based upon a stipulation among the parties to the settlement. Plaintiffs have filed amended master allegations and amended
complaints in the six focus cases. On March 26, 2008, the Court denied the defendants motion to dismiss the amended complaints.

The parties reached a global settlement of the litigation and the plaintiffs filed a motion for preliminary settlement approval with the
Court on April 2, 2009. Under the settlement, the insurers will pay the full amount of settlement share allocated to the Company and Packeteer, and the Company and Packeteer would not bear any financial liability. On October 5, 2009, the
Court entered an order granting final approval of the settlement. Certain objectors have appealed that order to the Court of Appeals for the Second Circuit.

Derivative Litigations

Actions
Pending Against Us

On May 18, 2005, a purported shareholder derivative action was filed in the Superior Court of
California, Santa Clara County, alleging that certain of our officers and directors violated their fiduciary duties to the Company by making false or misleading statements about our prospects between February 20, 2004 and May 27, 2004. On
July 17, 2006, plaintiffs filed a consolidated amended complaint, adding allegations that certain current



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and former officers and directors violated their fiduciary duties to us since our initial public offering by granting and failing to account correctly for stock options. That amended complaint
sought various types of relief on our behalf from the individual defendants. On September 8, 2006, another and substantively identical purported shareholder derivative action was filed against certain of our current and former officers and
directors. These state derivative cases have been consolidated.

On August 8 and September 5, 2006, two purported
shareholder derivative actions were filed in the United States District Court for the Northern District of California against certain of our current and former officers and directors. Like the state derivative actions, the federal derivative actions
allege that certain of our current and former officers and directors violated their fiduciary duties since our initial public offering by granting and failing to account correctly for stock options and seek various relief on our behalf from the
individual defendants. These federal cases have been consolidated.

On November 30, 2007, the federal and state
plaintiffs each filed consolidated amended complaints in their respective actions, which focus on our historical stock option granting practices and assert claims for breach of fiduciary duty and other state and federal law claims against certain of
our current and former officers and directors.

The plaintiffs in the federal action, by letter dated June 20, 2008,
demanded our Board of Directors take action to remedy the conduct complained of. The demand followed our filing of a motion to dismiss on the grounds that plaintiffs had failed to make a pre-suit demand. The demand letter largely repeats the
allegations and requested relief in the federal and state derivative actions. In response to the demand letter, our Board of Directors formed a special committee, composed of directors James R. Tolonen and Keith Geeslin, on June 25, 2008. The
special committee was granted plenary authority to decide whether it is in the best interests of the Company and its shareholders to pursue or otherwise resolve the claims raised in the demand letter and in the federal and state derivative actions
and any other claims of the Company that the special committee deems necessary or appropriate to consider concerning our historical stock option practices.

The Court in the state action has stayed that action pending a case management conference presently scheduled for July 23, 2010, and the
Court in the federal action has stayed that action until June 11, 2010.

Action Pending Against Packeteer

On or about October 10, 2007, Vanessa Simmonds, a purported shareholder of Packeteer, filed a complaint in the United States
District Court, Western District of Washington, against the underwriters of Packeteers 1999 initial public offering of its common stock, seeking recovery in the name of Packeteer for alleged violation by those underwriters of
Section 16(b) of the Securities Exchange Act of 1934, as amended. The complaint seeks to recover from the underwriters any short-swing profits obtained by them in violation of Section 16(b). Packeteer is named as a nominal
defendant. On February 28, 2008, the plaintiff filed an amended complaint asserting substantially similar claims as those set forth in the initial complaint and naming three additional underwriters as defendants.

This is one of 54 actions that were coordinated for pretrial purposes asIn re Section 16(b) Litigation, Master Case
No. 07-1549 JLR, with the first action filed on October 2, 2007. In July 2008, Packeteer and 29 other nominal defendants moved to dismiss the amended complaint. Packeteer also separately moved to dismiss the action brought against it on
the ground that the plaintiff lacks standing to pursue the action because her interest was extinguished when Packeteer merged into our wholly-owned subsidiary on June 6, 2008. The Court heard the motions to dismiss in January 2009. On
March 12, 2009, as a consequence of those motions, the Court issued an Order Dismissing Cases and entered judgment dismissing the actions, including the action brought against Packeteer. The Court denied as moot, Packeteers separate
motion to dismiss.

On March 31, 2009, Simmonds appealed the judgment to the Court of Appeals for the Ninth Circuit, and
thereafter filed an amended notice of appeal on April 10, 2009 at the Courts request. The underwriter defendants



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filed a cross-appeal in each of the cases wherein the issuers moved for dismissal (including the appeal relating to Packeteers IPO). The parties have briefed the matters to be heard on
appeal, but the Court has not yet set a date for oral argument.

Patent Litigation

On April 18, 2008, Realtime Data, LLC d/b/a IXO (Realtime) filed a patent infringement lawsuit in the United States
District Court, Eastern District of Texas against Packeteer and eleven other companies, including five customers of Packeteer (Realtime Data, LLC d/b/a IXO v. Packeteer, Inc. et al., Civil Action No. 6:08-cv-144). The complaint
asserted infringement of seven patents, and alleged that Packeteer infringed five of those patents. On June 20, 2008, Realtime filed a First Amended Complaint which asserted infringement of two additional patents and alleged that
Packeteer infringed one of those patents. The First Amended Complaint also named us as a defendant and asserted that we infringed the same six patents allegedly infringed by Packeteer. The plaintiff sought damages for past
infringement, enhanced damages for alleged willful infringement, and injunctive relief. We and Packeteer denied infringement of the patents, and counterclaimed against the plaintiff, asserting that all of the patent claims asserted against us
are invalid or unenforceable.

The matter settled in its entirety on January 12, 2010, pursuant to the terms of a License
and Settlement Agreement between the parties. The Court entered an Order of Dismissal with prejudice of Realtimes complaint as against us, Packeteer and our customers on January 26, 2010, and final judgment against Realtime was entered on
February 1, 2010. In connection with the entry of final judgment, all pending motions were denied as moot.

Although we
cannot predict the outcome of the IPO allocation cases or the derivative litigation discussed above, the costs of defending these matters (including, as applicable, our obligations to indemnify current or former officers, directors, employees or
customers) could have a material adverse effect on our results of operations and financial condition.

From time to time and
in the ordinary course of business, we may be subject to various other claims and litigation. Such claims could result in the expenditure of significant financial and other resources.

Note 14. Geographic and Product Category Information Reporting

We conduct business in one operating segment that designs, develops and sells products and services that optimize and secure the delivery
of business applications and other information to distributed users over a WAN. Our chief operating decision maker, our chief executive officer, allocates resources and makes operating decisions based on financial data consistent with the
presentation in the accompanying consolidated financial statements. Our revenue consists of two categories: product and service.

Net revenue is attributed to three geographic areas based on the location of the customers. The following is a summary of net revenue by
geographic area:



|                  |  |                        |         |  |       |   |  |      |         |  |       |   |  |   |         |  |       |  
|----------------- |  | ---------------------- | ------- |  | ----- | - |  | ---- | ------- |  | ----- | - |  | - | ------- |  | ----- | -
|                  |  | Year Ended April 30,   |        
|                  |  | 2010                   |         |  | 2009  |   |  | 2008 |        
|                  |  | (dollars in thousands) |        
|Americas (1)      |  | $                      | 220,465 |  | 44.5  | % |  | $    | 199,899 |  | 45.0  | % |  | $ | 146,784 |  | 48.1  | %
|EMEA (2)          |  |                        | 185,163 |  | 37.3  |   |  |      | 162,493 |  | 36.5  |   |  |   | 112,110 |  | 36.7  |  
|APAC (3)          |  |                        | 90,509  |  | 18.2  |   |  |      | 82,353  |  | 18.5  |   |  |   | 46,545  |  | 15.2  |  
|                  |  |                        |         |  |       |   |  |      |         |  |       |   |  |   |         |  |       |  
|Total net revenue |  | $                      | 496,137 |  | 100.0 | % |  | $    | 444,745 |  | 100.0 | % |  | $ | 305,439 |  | 100.0 | %
|                  |  |                        |         |  |       |   |  |      |         |  |       |   |  |   |         |  |       |  



|(1) | North America, Central America and Latin America (Americas)
|--- | -------------------------------------------------------------

|(2) | Europe, Middle East and Africa (EMEA)
|--- | ---------------------------------------

|(3) | Asia and Pacific regions (APAC)
|--- | ---------------------------------



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The following is a summary of net revenue by product category:



|                  |  |                        |         |   |       |   |   |      |         |  |       |   |  |   |         |  |       |  
|----------------- |  | ---------------------- | ------- | - | ----- | - | - | ---- | ------- |  | ----- | - |  | - | ------- |  | ----- | -
|                  |  | Year Ended April 30,   |        
|                  |  | 2010                   |         |   | 2009  |   |   | 2008 |        
|                  |  | $                      |         | % |       |   | $ |      | %       |  |       | $ |  | % |        
|                  |  | (dollars in thousands) |        
|Product           |  | $                      | 322,101 |   | 64.9  | % |   | $    | 305,601 |  | 68.7  | % |  | $ | 233,858 |  | 76.6  | %
|Service           |  |                        | 174,036 |   | 35.1  |   |   |      | 139,144 |  | 31.3  |   |  |   | 71,581  |  | 23.4  |  
|                  |  |                        |         |   |       |   |   |      |         |  |       |   |  |   |         |  |       |  
|Total net revenue |  | $                      | 496,137 |   | 100.0 | % |   | $    | 444,745 |  | 100.0 | % |  | $ | 305,439 |  | 100.0 | %
|                  |  |                        |         |   |       |   |   |      |         |  |       |   |  |   |         |  |       |  

The following table presents a summary of long-lived assets as of April 30, 2010 and 2009 by geographic
area:



|                                    |  |                |        |      |   |       
|----------------------------------- |  | -------------- | ------ | ---- | - | ------
|                                    |  | April 30,     
|                                    |  | 2010           |        | 2009
|                                    |  | (in thousands)
|Long-Lived Assets:                  |  |                |        |      |   |       
|Property and equipment, net         |  |                |        |      |   |       
|United States                       |  | $              | 27,310 |      | $ | 29,910
|International                       |  |                | 6,374  |      |   | 5,045 
|                                    |  |                |        |      |   |       
|Subtotal                            |  |                | 33,684 |      |   | 34,955
|Identifiable intangible assets, net |  |                |        |      |   |       
|United States                       |  |                | 37,033 |      |   | 48,774
|                                    |  |                |        |      |   |       
|Total Long-Lived Assets             |  | $              | 70,717 |      | $ | 83,729
|                                    |  |                |        |      |   |       

Note 15. Selected Quarterly Financial Data (Unaudited)

A summary of our quarterly consolidated financial results is as follows:



|                                    |  |                                       |         |   |                 |   |         |                 |  |               |         |  |   |         |  
|----------------------------------- |  | ------------------------------------- | ------- | - | --------------- | - | ------- | --------------- |  | ------------- | ------- |  | - | ------- | -
|                                    |  | Three Months Ended                    |        
|                                    |  | July 31,2009                          |         |   | October 31,2009 |   |         | January 31,2010 |  | April 30,2010 |        
|                                    |  | (in thousands, except per share data) |        
|Total net revenue                   |  | $                                     | 115,989 |   |                 | $ | 120,436 |                 |  | $             | 127,116 |  | $ | 132,596 |  
|Gross profit                        |  |                                       | 84,469  |   |                 |   | 88,228  |                 |  |               | 95,001  |  |   | 102,806 |  
|Net income                          |  |                                       | 3,996   |   |                 |   | 8,367   |                 |  |               | 6,908   |  |   | 23,608  |  
|Basic net income per share          |  | $                                     | 0.09    |   |                 | $ | 0.19    |                 |  | $             | 0.15    |  | $ | 0.52    |  
|Diluted net income per share        |  | $                                     | 0.09    |   |                 | $ | 0.19    |                 |  | $             | 0.15    |  | $ | 0.49    |  
|                                    | 
|                                    |  | Three Months Ended                    |        
|                                    |  | July 31,2008                          |         |   | October 31,2008 |   |         | January 31,2009 |  | April 30,2009 |        
|                                    |  | (in thousands, except per share data) |        
|Total net revenue                   |  | $                                     | 102,503 |   |                 | $ | 119,024 |                 |  | $             | 109,596 |  | $ | 113,622 |  
|Gross profit                        |  |                                       | 70,436  |   |                 |   | 81,887  |                 |  |               | 79,094  |  |   | 82,193  |  
|Net income (loss)                   |  |                                       | (5,835  | ) |                 |   | (251    | )               |  |               | 1,063   |  |   | (3,485  | )
|Basic net income (loss) per share   |  | $                                     | (0.15   | ) |                 | $ | (0.01   | )               |  | $             | 0.03    |  | $ | (0.09   | )
|Diluted net income (loss) per share |  | $                                     | (0.15   | ) |                 | $ | (0.01   | )               |  | $             | 0.02    |  | $ | (0.09   | )



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Item 9. Changes in and Disagreements with Accountants on Accounting and
Financial Disclosure

None.

Item 9A. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

We are committed to maintaining disclosure controls and procedures designed to ensure that information required to be disclosed in our
periodic reports filed under the Securities Exchange Act of 1934, as amended (the Exchange Act), is recorded, processed, summarized and reported within the time periods specified in the SECs rules and forms, and that such
information is accumulated and communicated to our management, including our Principal Executive Officer and Principal Financial and Accounting Officer, as appropriate, to allow for timely decisions regarding required disclosure.

Under the supervision and with the participation of our management, including our Principal Executive Officer and Principal Financial and
Accounting Officer, we conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures as of April 30, 2010, as such term is defined under Rule 13a-15(e) promulgated under the Exchange
Act. Based on this evaluation, our Principal Executive Officer and Principal Financial and Accounting Officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this Annual Report on Form
10-K.

Managements Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined
in Exchange Act Rule 13a-15(f). Under the supervision and with the participation of our management, including our Principal Executive Officer and Principal Financial and Accounting Officer, we conducted an evaluation of the effectiveness of our
internal control over financial reporting as of April 30, 2010 based on the framework set forth in Internal ControlIntegrated Frameworkissued by the Committee of Sponsoring Organizations of the Treadway Commission
(COSO). Based on our evaluation,our management believes that our internal control over financial reporting was effective as of April 30, 2010, the end of the period covered by this Annual Report on Form 10-K.

The effectiveness of our internal control over financial reporting as of April 30, 2010 has been audited by Ernst & Young
LLP, an independent registered public accounting firm, as stated in their report, which follows.

Changes in Internal Control Over
Financial Reporting

There were no changes in our internal control over financial reporting during our most recent fiscal
quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Inherent Limitations on Effectiveness of Control Systems

All control systems, no matter how well conceived and operated, have inherent limitations and can provide only reasonable assurance that
the objectives of the control system are met. Further, the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all
control issues and instances of fraud, if any, have been detected. These inherent limitations include the realities that judgments in decision making can be faulty, and that control breakdowns can occur because of simple errors or mistakes.
Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the control. The design of any system of controls is also based in part upon certain assumptions
about the likelihood of future events, and there can be no assurance that any control system will succeed in achieving its stated goals under all



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potential future conditions. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected. In designing and evaluating
our control systems, our management necessarily is required to apply its judgment in evaluating the cost-benefit relationship of possible control systems, and based upon that evaluation, to decide which control systems to implement.

Item 9B. Other Information

None



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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors and Stockholders of Blue Coat Systems, Inc.

We have audited Blue Coat Systems, Inc.s internal control over financial reporting as of April 30, 2010, based on criteria
established in Internal ControlIntegrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (the COSO criteria). Blue Coat Systems, Inc.s management is responsible for maintaining effective internal
control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Managements Report on Internal Control Over Financial Reporting. Our responsibility is to
express an opinion on the companys internal control over financial reporting based on our audit.

We conducted our audit
in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial
reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating
effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A companys internal control over financial reporting is a process designed to provide reasonable assurance regarding the
reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A companys internal control over financial reporting includes those policies and
procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are
recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management
and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the companys assets that could have a material effect on the financial
statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect
misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may
deteriorate.

In our opinion, Blue Coat Systems, Inc. maintained, in all material respects, effective internal control over
financial reporting as of April 30, 2010, based on the COSO criteria.

We also have audited, in accordance with the
standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheets of Blue Coat Systems, Inc. as of April 30, 2010 and April 30, 2009, and the related consolidated statements of operations,
stockholders equity, and cash flows for each of the three years in the period ended April 30, 2010 of Blue Coat Systems, Inc. and our report dated June 7, 2010 expressed an unqualified opinion thereon.

/s/ ERNST & YOUNG LLP

San Jose, California

June 7, 2010



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PART III

Item 10. Directors, Executive Officers and Corporate Governance

The information required by this Item is incorporated by reference from the responsive information to be contained in our Proxy Statement
to be issued in conjunction with our annual stockholders meeting which we current expect to occur in October 
2010.

Item 11. Executive Compensation

The information required by this Item is incorporated by reference from the responsive information to be contained in our Proxy Statement
to be issued in conjunction with our annual stockholders meeting which we current expect to occur in October 
2010.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The information required by this Item is incorporated by reference from the responsive information to be contained in our
Proxy Statement to be issued in conjunction with our annual stockholders meeting which we current expect to occur in October 2010.

Item 13. Certain Relationships and Related Transactions, and Director Independence

The information required by this Item is incorporated by reference from the responsive information to be contained in our Proxy Statement
to be issued in conjunction with our annual stockholders meeting which we current expect to occur in October 
2010.

Item 14. Principal Accounting Fees and Services

The information required by this Item is incorporated by reference from the responsive information to be contained in our Proxy Statement
to be issued in conjunction with our annual stockholders meeting which we current expect to occur in October 2010.



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PART IV

Item 15. Exhibits and Financial Statement Schedules

1. Financial Statements

See Item 8 of this Annual Report on Form 10-K

2. Financial Statement Schedules

The following financial statement schedule of Blue Coat Systems, Inc. is filed as part of this Report and should be read
in conjunction with the Financial Statements of Blue Coat Systems, Inc.

Schedule
II        Valuation and Qualifying Accounts

Schedules not listed above
have been omitted because the information required to be set forth therein is not applicable or is shown in the financial statements or notes thereto.

3. Exhibits

See Exhibit Index. The Exhibits listed in the accompanying Exhibit Index are filed as part of this report.



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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this
report to be signed on its behalf by the undersigned, thereunto duly authorized.



|             |  |  |  |     |  |                         |  |                                                                                               
|------------ |  |  |  | --- |  | ----------------------- |  | ----------------------------------------------------------------------------------------------
|             |  |  |  |     |  | BLUE COAT SYSTEMS, INC.
|             |  |  |  |     |  | (Registrant)           
|             |  |  | 
|June 7, 2010 |  |  |  | By: |  | /s/ GORDON C. BROOKS   
|             |  |  |  |     |  |                         |  | Gordon C. Brooks                                                                              
|             |  |  |  |     |  |                         |  | Senior Vice President and Chief Financial Officer (Principal Financial and Accounting Officer)

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Brian M. NeSmith, President,
Chief Executive Officer and Director, and Gordon C. Brooks, Senior Vice President and Chief Financial Officer, or either of them, each with the power of substitution, his attorney-in-fact, to sign any amendments to this Form 10-K, and to file the
same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorneys-in-fact, or his substitute or substitutes, may do or cause to be
done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below
by the following persons on behalf of the Registrant and in the capacities and on the dates indicated:



|                                      |  |                                                                                                |  |             
|------------------------------------- |  | ---------------------------------------------------------------------------------------------- |  | ------------
|Signature                             |  | Title                                                                                          |  | Date        
|                                      |  |                                                                                               
|/s/ BRIAN M. NESMITH
Brian M. NeSmith |  | President, Chief Executive Officer and Director (Principal Executive Officer)                  |  | June 7, 2010
|                                      |  |                                                                                               
|/s/ GORDON C. BROOKS
Gordon C. Brooks |  | Senior Vice President and Chief Financial Officer (Principal Financial and Accounting Officer) |  | June 7, 2010
|                                      |  |                                                                                               
|/s/ DAVID W. HANNA
David W. Hanna     |  | Chairman of the Board                                                                          |  | June 7, 2010
|                                      |  |                                                                                               
|/s/ JAMES A. BARTH
James A. Barth     |  | Director                                                                                       |  | June 7, 2010
|                                      |  |                                                                                               
|/s/ KEITH B. GEESLIN
Keith B. Geeslin |  | Director                                                                                       |  | June 7, 2010
|                                      |  |                                                                                               
|/s/ TIMOTHY A. HOWES
Timothy A. Howes |  | Director                                                                                       |  | June 7, 2010
|                                      |  |                                                                                               
|/s/ JAMES R. TOLONEN
James R. Tolonen |  | Director                                                                                       |  | June 7, 2010
|                                      |  |                                                                                               
|/s/ CAROL G. MILLS
Carol G. Mills     |  | Director                                                                                       |  | June 7, 2010



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EXHIBITS



|       |  |                                                                                                                                                                                                                                                                                                                                                                             
|------ |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Number |  | Description                                                                                                                                                                                                                                                                                                                                                                 
|2.1    |  | Agreement and Plan of Merger and Reorganization, dated as of October 28, 2003, by and among Blue Coat Systems, Inc., Riga Corp., Ositis Software, Inc., Vilis Ositis and Liana Abele
(which is incorporated herein by reference to Exhibit 2.1 of Form 8-K filed by the Registrant with the Commission on November 28, 2003)                                                
|       | 
|2.2    |  | Agreement and Plan of Merger and Reorganization, dated as of July 16, 2004, by and among Blue Coat Systems, Inc., Utah Merger Corporation, Cerberian, Inc., and Scott Petty, as
Stockholders Representative (which is incorporated herein by reference to Exhibit 2.1 of Form 8-K filed by the Registrant with the Commission on November 23, 2004)                        
|       | 
|2.3    |  | Amendment Number 1 to Agreement and Plan of Merger and Reorganization, dated as of October 5, 2004, by and among Blue Coat Systems, Inc., Utah Merger Corporation, Cerberian,
Inc., and Scott Petty, as Stockholders Representative (which is incorporated herein by reference to Exhibit 2.2 of Form 8-K filed by the Registrant with the Commission on November 23, 2004)
|       | 
|2.4    |  | Agreement and Plan of Merger and Reorganization, dated as of December 30, 2005, by and among Blue Coat Systems, Inc., Permeo Technologies, Inc., Pivot Acquisition Corp., and Chris
Pacitti, as Stockholders Representative (which is incorporated herein by reference to Exhibit 2.1 of Form 8-K filed by the Registrant with the Commission on January 4, 2006)          
|       | 
|2.5    |  | Asset Purchase Agreement, dated as of June 22, 2006, between Blue Coat Systems, Inc. and Network Appliance, Inc. (which is incorporated herein by reference to Exhibit 2.1 of Form
8-K filed by the Registrant with the Commission on June 23, 2006)                                                                                                                        
|       | 
|2.6    |  | Amendment to Asset Purchase Agreement, dated as of September 8, 2006, between Blue Coat Systems, Inc. and Network Appliance, Inc. (which is incorporated herein by reference to
Exhibit 2.1 of Form 8-K filed by the Registrant with the Commission on September 11, 2006)                                                                                                  
|       | 
|2.7    |  | Agreement and Plan of Merger, dated as of April 20, 2008, among Packeteer, Inc., Blue Coat Systems, Inc. and Cooper Acquisition, Inc. (which is incorporated herein by reference to
Exhibit 2.01 to the Registrants 8-K filed with the Commission on April 23, 2008)                                                                                                       
|       | 
|3.1    |  | Amended and Restated Certificate of Incorporation of the Registrant (which is incorporated herein by reference to Exhibit 3.2 to the Registrants Registration Statement on Form
S-1 No. 333-87997)                                                                                                                                                                         
|       | 
|3.2    |  | Reserved                                                                                                                                                                                                                                                                                                                                                                    
|       | 
|3.3    |  | Certificate of Ownership and Merger of Blue Coat Systems, Inc. with and into CacheFlow Inc. (which is incorporated herein by reference to Exhibit 3.3 of Form 10-Q filed by the
Registrant with the Commission on December 16, 2002)                                                                                                                                        
|       | 
|3.4    |  | Certificate of Amendment to Amended and Restated Certificate of Incorporation of Blue Coat Systems, Inc. dated September 12, 2002 (which is incorporated herein by reference to
Exhibit 3.4 of Form 10-Q filed by the Registrant with the Commission on December 16, 2002)                                                                                                  
|       | 
|3.5    |  | Reserved                                                                                                                                                                                                                                                                                                                                                                    
|       | 
|3.6    |  | Reserved                                                                                                                                                                                                                                                                                                                                                                    
|       | 
|3.7    |  | Reserved                                                                                                                                                                                                                                                                                                                                                                    
|       | 
|3.8    |  | Amended and Restated Bylaws (which is incorporated herein by reference to Exhibit 99.1 to the Registrants 8-K filed with the Commission on February 27,
2009)                                                                                                                                                                                                              
|       | 
|4.1    |  | Reference is made to Exhibits 3.1, 3.3, 3.4, and 3.8                                                                                                                                                                                                                                                                                                                        
|       | 
|4.2    |  | Specimen Certificate of the Registrants Common Stock (which is incorporated herein by reference to Exhibit 4.3 of Form 10-K filed by the Registrant with the Commission on July
29, 2003)                                                                                                                                                                                  



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|       |  |                                                                                                                                                                                                                                                                                                         
|------ |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Number |  | Description                                                                                                                                                                                                                                                                                             
|9.1    |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.1   |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.2   |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.3*  |  | 1999 Stock Incentive Plan (which is incorporated herein by reference to Exhibit 10.3 to the Registrants Registration Statement on Form S-1 No. 333-87997)                                                                                                                                              
|       | 
|10.4*  |  | 1999 Director Option Plan (which is incorporated herein by reference to Exhibit 10.4 to the Registrants Registration Statement on Form S-1 No. 333-87997)                                                                                                                                              
|       | 
|10.5   |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.6   |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.7   |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.8   |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.9*  |  | Offer Letter with Brian NeSmith (which is incorporated herein by reference to Exhibit 10.9 to the Registrants Registration Statement on Form S-1/A No.
333-87997)                                                                                                                                      
|       | 
|10.10  |  | 2000 Supplemental Stock Option Plan (which is incorporated herein by reference to Exhibit 99.1 of Form S-8 filed by the Registrant with the Commission on April 11,
2000)                                                                                                                               
|       | 
|10.11  |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.12  |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.13  |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.14* |  | Offer Letter with David de Simone (which is incorporated herein by reference to Exhibit 10.24 of Form 10-Q filed by the Registrant with the Commission on December 12, 2003)                                                                                                                            
|       | 
|10.15  |  | Common Stock Purchase Agreement dated September 18, 2003 (which is incorporated herein by reference to Exhibit 10.1 of Form 8-K filed by the Registrant with the Commission on
September 22, 2003)                                                                                                      
|       | 
|10.16  |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.17  |  | Technology License And Settlement Agreement dated October 29, 2003 by and between Network Caching Technology L.L.C and Blue Coat Systems, Inc. (which is incorporated herein by
reference to Exhibit 10.27 of Form 10-Q filed by the Registrant with the Commission on December 12, 2003)               
|       | 
|10.18  |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.19* |  | Form of Notice of Grant of Stock Option and Stock Option Agreement used to evidence options granted under the Blue Coat Systems, Inc. 1999 Stock Incentive Plan (which is
incorporated herein by reference to Exhibit 10.2 of Form 10-Q filed by the Registrant with the Commission on December 9, 2004)
|       | 
|10.20  |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.21  |  | Triple Net Space Lease between Mary Avenue LLC as Lessor and Blue Coat Systems, Inc., a Delaware corporation, as Lessee, dated April 21, 2005 ( which is incorporated by reference to
the Registrants Form 8-K filed with the Commission on April 26, 2005)                                            
|       | 
|10.22  |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.23  |  | Reserved                                                                                                                                                                                                                                                                                                
|       | 
|10.24  |  | Reserved                                                                                                                                                                                                                                                                                                



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|       |  |                                                                                                                                                                                                                                                                                                                        
|------ |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Number |  | Description                                                                                                                                                                                                                                                                                                            
|10.25  |  | Reserved                                                                                                                                                                                                                                                                                                               
|       | 
|10.27  |  | Design and Manufacturing Services Agreement, effective as of June 11, 2008, between MiTAC International Corporation and Blue Coat Systems, Inc. (which is incorporated herein by
reference to Exhibit 10.27 of Form 10-K filed by the Registrant with the Commission on June 30, 2008)                                 
|       | 
|10.28  |  | Reserved                                                                                                                                                                                                                                                                                                               
|       | 
|10.29* |  | Offer Letter with Kevin Biggs, dated as of December 3, 2006 (which is incorporated by reference to Exhibit 10.29 of Form 10-Q for the period ending January 31, 2007, filed by the
Registrant with the Commission on March 28, 2007)                                                                                   
|       | 
|10.30* |  | Offer Letter with Betsy E. Bayha, dated as of March 27, 2007 (which is incorporated herein by reference to Exhibit 10.30 of Form 10-K filed by the Registrant with the Commission on
July 13, 2007)                                                                                                                    
|       | 
|10.31* |  | 2007 New Employee Stock Incentive Plan (which is incorporated by reference to Exhibit 10.1 of Form 8-K filed by the Registrant with the Commission on June 18, 2007)                                                                                                                                                   
|       | 
|10.32* |  | Form of Notice of Grant of Stock Option and Stock Option Agreement used to evidence options granted under Blue Coat Systems, Inc. 2007 New Employee Stock Incentive Plan (which is
incorporated by reference to Exhibit 10.2 of Form 8-K filed by the Registrant with the Commission on June 18, 2007)                 
|       | 
|10.33* |  | Form of Notice of Award of Restricted Stock and Restricted Stock Agreement used to evidence restricted stock awarded under Blue Coat Systems, Inc. 2007 New Employee Stock Incentive
Plan (which is incorporated by reference to Exhibit 10.3 of Form 8-K filed by the Registrant with the Commission on June 18, 2007)
|       | 
|10.34* |  | Form of Notice of Award of Restricted Stock and Restricted Stock Agreement used to evidence restricted stock awarded under Blue Coat Systems, Inc. 1999 Stock Incentive Plan (which
is incorporated herein by reference to Exhibit 10.34 of Form 10-K filed by the Registrant with the Commission on July 13, 2007)    
|       | 
|10.35  |  | Form of Notice of Grant of Stock Option and Stock Option Agreement used to evidence options granted under Blue Coat Systems, Inc. 2000 Supplemental Stock Option Plan (which is
incorporated herein by reference to Exhibit 10.35 of Form 10-K filed by the Registrant with the Commission on July 13, 2007)           
|       | 
|10.36* |  | Form of Notice of Grant of Stock Option and Stock Option Agreement used to evidence options granted under Blue Coat Systems, Inc. 1999 Director Option Plan (which is incorporated
herein by reference to Exhibit 10.36 of Form 10-K filed by the Registrant with the Commission on July 13, 2007)                     
|       | 
|10.37  |  | Form of Amended and Restated Indemnification Agreement (which is incorporated herein by reference to Exhibit 10.37 of Form 10-K filed by the Registrant with the Commission on June
30, 2008)                                                                                                                          
|       | 
|10.38* |  | 2007 Stock Incentive Plan (which is incorporated herein by reference to Exhibit 10.38 of Form 10-K filed by the Registrant with the Commission on June 30, 2008)                                                                                                                                                       
|       | 
|10.39* |  | Restricted Stock Agreement used to evidence restricted stock awarded under Blue Coat Systems, Inc. 2007 Stock Incentive Plan (which is incorporated herein by reference to Exhibit
10.39 of Form 10-K filed by the Registrant with the Commission on June 30, 2008)                                                    
|       | 
|10.40* |  | Stock Option Agreement used to evidence options granted under Blue Coat Systems, Inc. 2007 Stock Incentive Plan (which is incorporated herein by reference to Exhibit 10.40 of Form
10-K filed by the Registrant with the Commission on June 30, 2008)                                                                 



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|       |  |                                                                                                                                                                                                                                                                                                                 
|------ |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Number |  | Description                                                                                                                                                                                                                                                                                                     
|10.41  |  | Reserved                                                                                                                                                                                                                                                                                                        
|       | 
|10.42  |  | Design and Manufacturing Services Agreement, effective as of February 15, 2008, between Inventec Enterprise System Corporation and Blue Coat Systems, Inc. (which is
incorporated herein by reference to Exhibit 10.42 of Form 10-K filed by the Registrant with the Commission on June 30, 2008)               
|       | 
|10.43  |  | Amended and Restated Supply Agreement, effective as of September 8, 2005, between SYNNEX Corporation and Blue Coat Systems, Inc. (which is incorporated herein by reference to
Exhibit 10.43 of Form 10-K filed by the Registrant with the Commission on June 30, 2008)                                         
|       | 
|10.44  |  | Note Purchase Agreement among Blue Coat Systems, Inc., Manchester Securities Corp. and Francisco Partners II, L.P., dated April 20, 2008 (which is incorporated herein by reference
to Exhibit 10.01 to the Registrants 8-K filed with the Commission on April 23, 2008)                                       
|       | 
|10.45  |  | Final Form of Warrant (which is incorporated herein by reference to Exhibit 10.01 to the Registrants 8-K filed with the Commission on June 3, 2008)                                                                                                                                                            
|       | 
|10.46  |  | Stock Purchase Agreement, dated as of April 20, 2008, among The Liverpool Limited Partnership, Elliott International, L.P. and Blue Coat Systems, Inc. (which is incorporated herein
by reference to Exhibit 10.02 to the Registrants 8-K filed with the Commission on April 23, 2008)                         
|       | 
|10.47  |  | Reserved                                                                                                                                                                                                                                                                                                        
|       | 
|10.48  |  | Reserved                                                                                                                                                                                                                                                                                                        
|       | 
|10.49  |  | Final Form of Note (which is incorporated herein by reference to Exhibit 10.02 to the Registrants 8-K filed with the Commission on June 3, 2008)                                                                                                                                                               
|       | 
|10.50  |  | Registration Rights Agreement by and between Blue Coat Systems, Inc. and Francisco Partners II, L.P. and Francisco Partners Parallel Fund, L.P. (as Investors), dated June 2, 2008
(which is incorporated herein by reference to Exhibit 4.01 to the Registrants 8-K filed with the Commission on June 3, 2008)
|       | 
|10.51  |  | First Amendment to Lease (which is incorporated by reference to Exhibit 10.1 of Respondents 8-K filed with the Commission on June 26, 2008)                                                                                                                                                                    
|       | 
|10.52* |  | Packeteer, Inc. 1999 Stock Incentive Plan (Amended and Restated Effective as of December 12, 2007) (which is incorporated herein by reference to Exhibit 10.52 of Form 10-K filed by
the Registrant with the Commission on June 22, 2009)                                                                       
|       | 
|10.53* |  | Stock Option Agreement used to evidence options granted under Packeteer, Inc. 1999 Stock Incentive Plan (which is incorporated herein by reference to Exhibit 10.53 of Form 10-K
filed by the Registrant with the Commission on June 22, 2009)                                                                  
|       | 
|10.54* |  | Restricted Stock Agreement used to evidence restricted stock awarded under Packeteer, Inc. 1999 Stock Incentive Plan (which is incorporated herein by reference to Exhibit 10.54 of
Form 10-K filed by the Registrant with the Commission on June 22, 2009)                                                     
|       | 
|10.55* |  | Separation agreement, dated April 10, 2009, between Kevin S. Royal and Blue Coat Systems, Inc. (which is incorporated by reference to Exhibit 99.1 of Respondents 8-K
filed with the Commission on April 10, 2009)                                                                                             
|       | 
|10.56* |  | Blue Coat Systems, Inc. Fiscal 2010 Profit Sharing Plan, as amended effective May 1, 2009 (which is incorporated herein by reference to Exhibit 99.1 of Form 8-K filed by the
Registrant with the Commission on May 1, 2009)                                                                                    
|       | 
|10.57* |  | Confidential Consulting Agreement, effective May 4, 2009, between FLG Partners, LLC and Blue Coat Systems, Inc. (which is incorporated by reference to Exhibit 10.1 of
Respondents 8-K filed with the Commission on May 7, 2009)                                                                               



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|       |  |                                                                                                                                                                                                                                                                                                             
|------ |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Number |  | Description                                                                                                                                                                                                                                                                                                 
|10.58* |  | Executive Separation Policy, effective November 15, 2007 and clarified on December 31, 2008 (which is incorporated herein by reference to Exhibit 10.58 of Form 10-K filed by the
Registrant with the Commission on June 22, 2009)                                                                          
|       | 
|10.59* |  | Form of CEO Change in Control Severance Agreement, between the Company and its Chief Executive Officer, effective May 1, 2009 (which is incorporated herein by reference to Exhibit
99.2 of Form 8-K filed by the Registrant with the Commission on May 1, 2009)                                            
|       | 
|10.60* |  | Form of Executive Change in Control Severance Agreement, between the Company and its executive officers, effective May 1, 2009 (which is incorporated herein by reference to Exhibit
99.3 of Form 8-K filed by the Registrant with the Commission on May 1, 2009)                                           
|       | 
|10.61* |  | Amended and restated form of CEO Change in Control Severance Agreement, between the Company and its Chief Executive Officer, effective August 20, 2009 (which is incorporated herein
by reference to Exhibit 10.61 of Form 10-Q filed by the Registrant with the Commission on September 2, 2009)           
|       | 
|10.62* |  | Amended and restated form of Executive Change in Control Severance Agreement, between the Company and its executive officers, effective August 20, 2009 (which is incorporated herein
by reference to Exhibit 10.62 of Form 10-Q filed by the Registrant with the Commission on September 2, 2009)          
|       | 
|10.63* |  | Offer letter with Gordon C. Brooks, dated as of August 25, 2009 (which is incorporated herein by reference to Exhibit 10.63 of Form 10-Q filed by the Registrant with the Commission
on September 2, 2009)                                                                                                  
|       | 
|10.64* |  | Amended and restated form of CEO Change in Control Severance Agreement, between the Company and its Chief Executive Officer, effective August 20, 2009 (corrected) (which is
incorporated herein by reference to Exhibit 10.64 of Form 10-Q filed by the Registrant with the Commission on December 1, 2009)
|       | 
|10.65* |  | Amended and Restated 2007 Stock Incentive Plan, effective August 20, 2009 (which is incorporated herein by reference to Exhibit 10.65 of Form 10-Q filed by the Registrant with the
Commission on December 1, 2009)                                                                                         
|       | 
|10.66* |  | Amended and Restated Employee Stock Purchase Plan, effective October 30, 2009 (which is incorporated herein by reference to Exhibit 10.66 of Form 10-Q filed by the Registrant with
the Commission on December 1, 2009)                                                                                     
|       | 
|10.67* |  | Stock Option Agreement with Gordon C. Brooks (which is incorporated herein by reference to Exhibit 10.67 of Form 10-Q filed by the Registrant with the Commission on December 1,
2009)                                                                                                                      
|       | 
|10.68* |  | Form of Notice and Restricted Stock Unit Agreement (which is incorporated herein by reference to Exhibit 99.3 of Form S-8 filed by the Registrant with the Commission on December 1,
2009)                                                                                                                  
|       | 
|10.69* |  | 2010 New Employee Stock Incentive Plan                                                                                                                                                                                                                                                                      
|       | 
|10.70* |  | Blue Coat Systems, Inc. Fiscal 2011 Profit Sharing Plan, as amended effective May 1, 2010 (which is incorporated herein by reference to Exhibit 99.1 of Form 8-K filed by the
Registrant with the Commission on May 7, 2010)                                                                                
|       | 
|23.1   |  | Consent of Ernst & Young, LLP, Independent Registered Public Accounting Firm                                                                                                                                                                                                                                
|       | 
|31.1   |  | Principal Executive Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.                                                                                                                                                                                                        
|       | 
|31.2   |  | Principal Financial and Accounting Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.                                                                                                                                                                                         
|       | 
|32.1   |  | Principal Executive Officer and Principal Financial and Accounting Officer Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.                                                                                                                                                         



|* | Management contract or compensatory plan or arrangement required to be filed as an exhibit to the Companys Annual Report on Form 10-K pursuant to Item 15(b).
|- | --------------------------------------------------------------------------------------------------------------------------------------------------------------



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##### Table of Contents

SCHEDULE II

BLUE COAT SYSTEMS, INC.

VALUATION AND QUALIFYING ACCOUNTS

Allowance for Doubtful Accounts

(In thousands)



|                     |  |                              |       |                                           |   |            |  |   |                        |   |  |   |      
|-------------------- |  | ---------------------------- | ----- | ----------------------------------------- | - | ---------- |  | - | ---------------------- | - |  | - | -----
|Year Ended April 30, |  | Balance atBeginning ofPeriod |       | Additions(Reductions) toCosts andExpenses |   | Write-offs |  |   | Balance atEnd ofPeriod
|2008                 |  | $                            | 160   |                                           | $ | 76         |  | $ | (60                    | ) |  | $ | 176  
|2009                 |  |                              | 176   |                                           |   | 1,450      |  |   | (206                   | ) |  |   | 1,420
|2010                 |  |                              | 1,420 |                                           |   | 405        |  |   | (1,590                 | ) |  |   | 235  



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