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TMCNet:  F5 NETWORKS INC - 10-Q - Management's Discussion and Analysis of Financial Condition and Results of Operations

[May 07, 2012]

F5 NETWORKS INC - 10-Q - Management's Discussion and Analysis of Financial Condition and Results of Operations

(Edgar Glimpses Via Acquire Media NewsEdge) The following discussion of our financial condition and results of operations contains forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934 and Section 27A of the Securities Act of 1933.


These statements include, but are not limited to, statements about our plans, objectives, expectations, strategies, intentions or other characterizations of future events or circumstances and are generally identified by the words "expects," "anticipates," "intends," "plans," "believes," "seeks," "estimates," and similar expressions. These forward-looking statements are based on current information and expectations and are subject to a number of risks and uncertainties. Our actual results could differ materially from those expressed or implied by these forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those discussed under "Item 1A. Risk Factors" herein and in other documents we file from time to time with the Securities and Exchange Commission. We assume no obligation to revise or update any such forward-looking statements.

18-------------------------------------------------------------------------------- Table of Contents Overview We are a global provider of appliances consisting of software and hardware and services that help companies efficiently and securely manage the delivery, optimization and security of application and data traffic on Internet-based networks, and to optimize the performance and utilization of data storage infrastructure and other network resources. We market and sell our products primarily through multiple indirect sales channels in the Americas (primarily the United States); Europe, the Middle East, and Africa (EMEA); Japan; and the Asia Pacific region (APAC). Enterprise customers (Fortune 1000 or Business Week Global 1000 companies) in the technology, telecommunications, financial services, transportation, education, manufacturing and health care industries, along with government customers, continue to make up the largest percentage of our customer base.

Our management team monitors and analyzes a number of key performance indicators in order to manage our business and evaluate our financial and operating performance on a consolidated basis. Those indicators include: • Revenues. The majority of our revenues are derived from sales of our Application Delivery Networking (ADN) products including our high end VIPRION chassis and related software modules; BIG-IP Local Traffic Manager, BIG-IP Global Traffic Manager, BIG-IP Link Controller, BIG-IP Application Security Manager, BIG-IP Edge Gateway, BIG-IP WAN Optimization module, BIG-IP Access Policy Manager, WebAccelerator, and FirePass SSL VPN appliance; and our ARX file virtualization products. We also derive revenues from the sales of services including annual maintenance contracts, training and consulting services. We carefully monitor the sales mix of our revenues within each reporting period. We believe customer acceptance rates of our new products and feature enhancements are indicators of future trends. We also consider overall revenue concentration by customer and by geographic region as additional indicators of current and future trends.

• Cost of revenues and gross margins. We strive to control our cost of revenues and thereby maintain our gross margins. Significant items impacting cost of revenues are hardware costs paid to our contract manufacturers, third-party software license fees, amortization of developed technology and personnel and overhead expenses. Our margins have remained relatively stable; however, factors such as sales price, product mix, inventory obsolescence, returns, component price increases and warranty costs could significantly impact our gross margins from quarter to quarter and represent significant indicators we monitor on a regular basis.

• Operating expenses. Operating expenses are substantially driven by personnel and related overhead expenses. Existing headcount and future hiring plans are the predominant factors in analyzing and forecasting future operating expense trends. Other significant operating expenses that we monitor include marketing and promotions, travel, professional fees, computer costs related to the development of new products, facilities and depreciation expenses.

• Liquidity and cash flows. Our financial condition remains strong with significant cash and investments and no long term debt. The increase in cash and investments for the first six months of fiscal year 2012 was primarily due to net income from operations, with operating activities providing cash of $233.5 million. This increase was partially offset by $84.8 million of cash used to repurchase outstanding common stock under our stock repurchase program in the first half of fiscal year 2012. Going forward, we believe the primary driver of cash flows will be net income from operations. On February 22, 2012, we acquired all of the capital stock of Traffix Communication Systems Ltd. (Traffix Systems) for cash of $133.7 million.

Capital expenditures for the first six months of fiscal year 2012 were comprised primarily of information technology infrastructure and equipment to support the growth of our core business activities. We will continue to evaluate possible acquisitions of, or investments in businesses, products, or technologies that we believe are strategic, which may require the use of cash.

• Balance sheet. We view cash, short-term and long-term investments, deferred revenue, accounts receivable balances and days sales outstanding as important indicators of our financial health. Deferred revenues increased in the second quarter of fiscal year 2012 due to growth in the amount of annual maintenance contracts purchased on new products and maintenance renewal contracts related to our existing product installation base. Our days sales outstanding for the second quarter of fiscal year 2012 was 49.

Summary of Critical Accounting Policies and Estimates The preparation of our financial condition and results of operations requires us to make judgments and estimates that may have a significant impact upon our financial results. We believe that, of our significant accounting policies, the following require estimates and assumptions that require complex, subjective judgments by management, which can materially impact reported results: revenue recognition; reserve for doubtful accounts; reserve for product returns; reserve for warranties; accounting for income taxes; stock-based 19-------------------------------------------------------------------------------- Table of Contents compensation; investments; goodwill impairment; and the fair value measurements of financial assets and liabilities. None of these accounting policies and estimates, have significantly changed since our annual report on Form 10-K for the year ended September 30, 2011 (Form 10-K). Critical accounting policies and estimates are more fully described in "Management's Discussion and Analysis of Financial Condition and Results of Operations" in the Form 10-K. Actual results may differ from these estimates under different assumptions or conditions.

Results of Operations The following discussion and analysis should be read in conjunction with our consolidated financial statements, related notes and risk factors included elsewhere in this Quarterly Report on Form 10-Q.

Three months ended Six months ended March 31, March 31, 2012 2011 2012 2011 (in thousands, except percentages) Net Revenues Products $ 205,165 $ 173,710 $ 401,719 $ 345,202 Services 134,457 103,862 260,335 201,304 Total $ 339,622 $ 277,572 $ 662,054 $ 546,506 Percentage of net revenues Products 60.4 % 62.6 % 60.7 % 63.2 % Services 39.6 37.4 39.3 36.8 Total 100.0 % 100.0 % 100.0 % 100.0 % Net revenues. Total net revenues increased 22.4% and 21.1% for the three and six months ended March 31, 2012, respectively, from the same periods in the prior year. Overall revenue growth for the three and six months ended March 31, 2012 was primarily due to increased service and product revenues as a result of our increased installed base of products and increased demand for our core ADN products, including application security and WAN optimization products.

International revenues represented 46.6% and 46.8% of total net revenues for the three and six months ended March 31, 2012, respectively, compared to 45.1% and 45.4% for the same periods in the prior year, respectively. We expect international sales will continue to represent a significant portion of net revenues, although we cannot provide assurance that international revenues as a percentage of net revenues will remain at current levels.

Net product revenues increased 18.1% and 16.4% for the three and six months ended March 31, 2012, respectively, from the same periods in the prior year. The increase in net product revenues for the three and six months ended March 31, 2012 was primarily due to an increase of $32.5 million and $59.9 million in sales of our ADN products from the same periods in the prior year, respectively.

Sales of our ADN products represented 98.4% and 98.6% of product revenues for the three and six months ended March 31, 2012, respectively, compared to 97.5% and 97.4% of product revenues for the three and six months ended March 31, 2011, respectively.

Net service revenues increased 29.5% and 29.3% for the three and six months ended March 31, 2012, respectively, from the same periods in the prior year. The increase in net service revenues was primarily due to increases in the purchase or renewal of maintenance contracts driven by additions to our installed base of products.

Avnet Technology Solutions and Ingram Micro, two of our worldwide distributors, accounted for 16.6% and 13.9% of our total net revenue for the three months ended March 31, 2012, respectively. Avnet Technology Solutions and Ingram Micro accounted for 17.2% and 13.8% for the six months ended March 31, 2012, respectively. Avnet Technology Solutions accounted for 19.6% and 19.2% of our total net revenue for the three and six months ended March 31, 2011, respectively. Ingram Micro accounted for 18.0% of our accounts receivable as of March 31, 2012. Avnet Technology Solutions accounted for 14.5% of our accounts receivable as of March 31, 2011. No other distributors accounted for more than 10% of total net revenue or receivables.

Three months ended Six months ended March 31, March 31, 2012 2011 2012 2011 (in thousands, except percentages) Cost of net revenues and Gross Margin Products $ 33,668 $ 31,423 $ 66,868 $ 63,037 Services 23,926 19,250 46,332 36,599 Total 57,594 50,673 113,200 99,636 Gross profit $ 282,028 $ 226,899 $ 548,854 $ 446,870 Percentage of net revenues and Gross Margin (as a percentage of related net revenue) Products 16.4 % 18.1 % 16.6 % 18.3 % Services 17.8 18.5 17.8 18.2 Total 17.0 18.3 17.1 18.2 Gross profit 83.0 % 81.7 % 82.9 % 81.8 % 20 -------------------------------------------------------------------------------- Table of Contents Cost of net product revenues. Cost of net product revenues consist of finished products purchased from our contract manufacturers, manufacturing overhead, freight, warranty, provisions for excess and obsolete inventory and amortization expenses in connection with developed technology from acquisitions. Cost of net product revenues increased 7.1% and 6.1% for the three and six months ended March 31, 2012, respectively, as compared to the same periods in the prior year.

The increase in cost of net product revenues was primarily due to a higher volume of units shipped.

Cost of net service revenues. Cost of net service revenues consist of the salaries and related benefits of our professional services staff, travel, facilities and depreciation expenses. For the three and six months ended March 31, 2012, cost of net service revenues as a percentage of net service revenues remained consistent at 17.8%, compared to 18.5% and 18.2% for the three and six months ended March 31, 2011, respectively. Professional services headcount at the end of March 2012 increased to 583 from 476 at the end of March 2011. In addition, cost of net service revenues included stock-based compensation expense of $2.2 million and $4.4 million for the three and six months ended March 31, 2012, respectively, compared to $1.8 million and $3.6 million for the same periods in the prior year, respectively.

Three months ended Six months ended March 31, March 31, 2012 2011 2012 2011 (in thousands, except percentages) Operating expenses Sales and marketing $ 110,995 $ 89,332 $ 217,233 $ 176,157 Research and development 43,568 34,507 82,690 67,113 General and administrative 22,785 19,846 44,462 40,530 Total $ 177,348 $ 143,685 $ 344,385 $ 283,800 Operating expenses (as a percentage of net revenue) Sales and marketing 32.7 % 32.2 % 32.8 % 32.2 % Research and development 12.8 12.4 12.5 12.3 General and administrative 6.7 7.2 6.7 7.4 Total 52.2 % 51.8 % 52.0 % 51.9 % Sales and marketing. Sales and marketing expenses consist of salaries, commissions and related benefits of our sales and marketing staff, the costs of our marketing programs, including public relations, advertising and trade shows, travel, facilities, and depreciation expenses. Sales and marketing expenses increased 24.2% and 23.3% for the three and six months ended March 31, 2012, respectively, from the comparable periods in the prior year. The increase in sales and marketing expense was primarily due to an increase of $16.2 million and $32.1 million in commissions and personnel costs for the three and six months ended March 31, 2012, respectively, from the comparable periods in the prior year. The increased commissions and personnel costs were driven by growth in sales and marketing employee headcount and increased sales volume for the corresponding periods. Sales and marketing headcount at the end of March 2012 increased to 1,198 from 979 at the end of March 2011. Sales and marketing expense included stock-based compensation expense of $9.4 million and $18.4 million for the three and six months ended March 31, 2012, respectively, compared to $8.4 million and $17.1 million for the same periods in the prior year, respectively. The increase in sales and marketing expense was also due to investments in marketing promotions and initiatives aimed at promoting our brand and creating market awareness of our technology and our products.

Research and development. Research and development expenses consist of the salaries and related benefits for our product development personnel, prototype materials and other expenses related to the development of new and improved products, facilities and depreciation expenses. Research and development expenses increased 26.3% and 23.2% for the three and six months ended March 31, 2012, respectively, from the comparable periods in the prior year. The increase in research and development expense was primarily due to an increase of $6.3 million and $11.1 million in personnel costs for the three and six months ended March 31, 2012, respectively, from the comparable periods in the prior year.

Research and development headcount at the end of March 2012 increased to 721 from 554 at the end of March 2011. In addition, research and development expense included year over year increases in computer equipment and software costs of $0.7 million and $2.1 million for the three and six months ended March 31, 2012, respectively, to support the development of new and improved products. Research and development expense included stock-based compensation expense of $6.5 million and $12.3 million for the three and six months ended March 31, 2012, respectively, compared to $5.6 million and $11.5 million for the same periods in the prior year, respectively. We expect research and development expenses to remain consistent as a percentage of net revenue in the foreseeable future.

21-------------------------------------------------------------------------------- Table of Contents General and administrative. General and administrative expenses consist of the salaries, benefits and related costs of our executive, finance, information technology, human resource and legal personnel, third-party professional service fees, bad debt charges, facilities and depreciation expenses. General and administrative expenses increased 14.8% and 9.7% for the three and six months ended March 31, 2012, respectively, from the comparable periods in the prior year. The increase in general and administrative expense was primarily due to an increase of $1.5 million and $2.8 million in personnel costs for the three and six months ended March 31, 2012, respectively, from the comparable periods in the prior year. In addition, fees paid to outside consultants for legal, audit and tax services increased $1.2 million and $1.9 million for the three and six months ended March 31, 2012, respectively, from the comparable periods in the prior year. Stock-based compensation expense was $4.9 million and $9.6 million for the three and six months ended March 31, 2012, respectively, compared to $5.7 million and $11.7 million for the same periods in the prior year, respectively. General and administrative headcount at the end of March 2012 increased to 303 from 245 at the end of March 2011.

Three months ended Six months ended March 31, March 31, 2012 2011 2012 2011 (in thousands, except percentages) Other income and income taxes Income from operations $ 104,680 $ 83,214 $ 204,469 $ 163,070 Other income, net 1,428 1,568 3,289 4,113 Income before income taxes 106,108 84,782 207,758 167,183 Provision for income taxes 37,467 29,207 72,625 55,945 Net income $ 68,641 $ 55,575 $ 135,133 $ 111,238 Other income and income taxes (as percentage of net revenue) Income from operations 30.8 % 30.0 % 30.9 % 29.8 % Other income, net 0.4 0.5 0.5 0.8 Income before income taxes 31.2 30.5 31.4 30.6 Provision for income taxes 11.0 10.5 11.0 10.2 Net income 20.2 % 20.0 % 20.4 % 20.4 % Other income, net. Other income, net, consists primarily of interest income and foreign currency transaction gains and losses. Other income, net, decreased 8.9% and 20.0% for the three and six months ended March 31, 2012, respectively, from the comparable periods in the prior year. The decrease in other income, net for the three and six months ended March 31, 2012 was primarily due to a decrease in interest income compared to the same periods in the prior year. The decrease in interest income for the three and six months ended March 31, 2012 was primarily due to a decline in interest rates from the comparable periods in the prior year.

Provision for income taxes. We recorded a 35.3% provision for income taxes for the three month period ended March 31, 2012. The increase in the effective tax rate compared to the three month period ended March 31, 2011 is primarily due to the expiration of the United States federal credit for Increasing Research Activities on December 31, 2011.

At March 31, 2012, we established a valuation allowance of $0.9 million relative to the deferred tax assets of Traffix Systems, which we acquired in February of 2012. There have been no other valuation allowances established on any of our deferred tax assets in any other jurisdictions in which we operate because we believe that these assets are more likely than not to be realized. In making these determinations we have considered projected future taxable income and ongoing prudent and feasible tax planning strategies in assessing the appropriateness of a valuation allowance. Our net deferred tax assets at March 31, 2012 and March 31, 2011 were $44.5 million and $48.4 million, respectively. Our worldwide effective tax rate may fluctuate based on a number of factors including variations in projected taxable income in the various geographic locations in which we operate, changes in the valuation of our net deferred tax assets, resolution of potential exposures, tax positions taken on tax returns filed in the various geographic locations in which we operate, and the introduction of new accounting standards or changes in tax laws or interpretations thereof in the various geographic locations in which we operate.

We have recorded liabilities to address potential tax exposures related to business and income tax positions we have taken that could be challenged by taxing authorities. The ultimate resolution of these potential exposures may be greater or less than the liabilities recorded which could result in an adjustment to our future tax expense.

Liquidity and Capital Resources Cash and cash equivalents, short-term investments and long-term investments totaled $1,033.5 million as of March 31, 2012 compared to $1,012.8 million as of September 30, 2011, representing an increase of $20.7 million. The increase was primarily due to cash provided by operating activities of $233.5 million for the six months ended March 31, 2012, which was partially offset by $84.8 million of additional cash required for the repurchase of outstanding common stock under our stock repurchase program, and $128.3 million for the acquisition of Traffix Systems. The increase in cash flow from operations for the first six months of fiscal year 2012 resulted from increased net income combined with changes in operating assets and liabilities, as adjusted for various non-cash items 22-------------------------------------------------------------------------------- Table of Contents including stock-based compensation, depreciation and amortization charges. Based on our current operating and capital expenditure forecasts, we believe that our existing cash and investment balances, excluding auction rate securities (ARS), together with cash generated from operations should be sufficient to meet our operating requirements for at least the next twelve months.

At March 31, 2012, we held $13.2 million in fair value of tax-exempt ARS, which are variable-rate debt securities and have a long-term maturity with the interest rates being reset through Dutch auctions that are typically held every 7, 28 or 35 days. The securities have historically traded at par and are callable at par at the option of the issuer. Interest is typically paid at the end of each auction period or semi-annually. We limit our investments in ARS to securities that carry a AAA/A- (or equivalent) rating from recognized rating agencies and limit the amount of credit exposure to any one issuer. At the time of initial investment and at the date of this Quarterly Report on Form 10-Q, all of our ARS were in compliance with our investment policy.

Beginning in February 2008, auctions failed for approximately $53.4 million in par value of municipal ARS we held because sell orders exceeded buy orders. When these auctions failed to clear, higher interest rates for those securities went into effect. However, the funds associated with these failed auctions will not be accessible until the issuer calls the security, a successful auction occurs, a buyer is found outside of the auction process or the security matures.

We have no reason to believe that any of the underlying issuers of our ARS are presently at risk of default. The underlying assets of the municipal ARS we hold, including the securities for which auctions have failed, are generally student loans which are guaranteed by the U.S. government. During fiscal years 2011 and 2010, we liquidated $4.0 million and $26.1 million of ARS that we held at par value, respectively. Through March 31, 2012, we have continued to receive interest payments on the ARS in accordance with their terms. We believe we will be able to liquidate our investments without significant loss primarily due to the government guarantee of the underlying securities. However, due to uncertainty in the ARS market, we believe certain of these available-for-sale investments may remain illiquid for longer than twelve months and as a result, we have classified $15.0 million (par value) of our ARS as long-term as of March 31, 2012.

Cash used in investing activities was $171.6 million for the six months ended March 31, 2012, compared to cash used in investing activities of $110.7 million for the same period in the prior year. Investing activities include purchases, sales and maturities of available-for-sale securities, business acquisitions, capital expenditures and changes in restricted cash requirements. The amount of cash used in investing activities for the six months ended March 31, 2012 was primarily due to the purchase of investments partially offset by the sales and maturity of investments and $128.3 million of cash payments, net of cash acquired, to shareholders of Traffix Systems, which was acquired in February 2012.

Cash used in financing activities was $69.2 million for the six months ended March 31, 2012, compared to cash used in financing activities of $46.0 million for the same period in the prior year. Our financing activities for the six months ended March 31, 2012 consisted of cash required for the repurchase of outstanding common stock under our stock repurchase program of $84.8 million, partially offset by cash received from the exercise of employee stock options and stock purchases under our employee stock purchase plan of $10.1 million and excess tax benefits related to share-based compensation of $5.5 million.

Obligations and Commitments As of March 31, 2012, our principal commitments consisted of obligations outstanding under operating leases. We lease our facilities under operating leases that expire at various dates through 2022. There have been no material changes in our principal lease commitments compared to those discussed in the Form 10-K.

We outsource the manufacturing of our pre-configured hardware platforms to contract manufacturers who assemble each product to our specifications. Our agreement with our largest contract manufacturer allows them to procure component inventory on our behalf based upon a rolling production forecast. We are contractually obligated to purchase the component inventory in accordance with the forecast, unless we give notice of order cancellation in advance of applicable lead times. As of March 31, 2012, we were committed to purchase approximately $13.5 million of such inventory during the next 30 day period.

Recent Accounting Pronouncements The anticipated impact of recent accounting pronouncements is discussed in Note 1 to the accompanying Notes to Consolidated Financial Statements of this Quarterly Report on Form 10-Q.

23-------------------------------------------------------------------------------- Table of Contents Risk Factors that May Affect Future Results This Quarterly Report on Form 10-Q contains forward-looking statements that involve risks and uncertainties. Our business, operating results, financial performance and share price may be materially adversely affected by a number of factors, including but not limited to the following risk factors, any one of which could cause actual results to vary materially from anticipated results or from those expressed in any forward-looking statements made by us in this Quarterly Report on Form 10-Q or in other reports, press releases or other statements issued from time to time. Additional factors that may cause such a difference are set forth elsewhere in this Quarterly Report on Form 10-Q.

Our quarterly and annual operating results may fluctuate in future periods, which may cause our stock price to fluctuate Our quarterly and annual operating results have varied significantly in the past and could vary significantly in the future, which makes it difficult for us to predict our future operating results. Our operating results may fluctuate due to a variety of factors, many of which are outside of our control, including the changing and recently volatile U.S. and global economic environment, which may cause our stock price to fluctuate. In particular, we anticipate that the size of customer orders may increase as we continue to focus on larger business accounts. A delay in the recognition of revenue, even from just one account, may have a significant negative impact on our results of operations for a given period. In the past, a majority of our sales have been realized near the end of a quarter. Accordingly, a delay in an anticipated sale past the end of a particular quarter may negatively impact our results of operations for that quarter, or in some cases, that fiscal year. Additionally, we have exposure to the credit risks of some of our customers and sub-tenants. Although we have programs in place that are designed to monitor and mitigate the associated risk, there can be no assurance that such programs will be effective in reducing our credit risks adequately. We monitor individual payment capability in granting credit arrangements, seek to limit the total credit to amounts we believe our customers can pay and maintain reserves we believe are adequate to cover exposure for potential losses. If there is a deterioration of a sub-tenant's or a major customer's creditworthiness or actual defaults are higher than expected, future losses, if incurred, could harm our business and have a material adverse effect on our operating results. Further, our operating results may be below the expectations of securities analysts and investors in future quarters or years.

Our failure to meet these expectations will likely harm the market price of our common stock. Such a decline could occur, and has occurred in the past, even when we have met our publicly stated revenue and/or earnings guidance.

In addition to other risks listed in this "Risk Factors" section, factors that may affect our operating results include, but are not limited to: • fluctuations in demand for our products and services due to changing market conditions, pricing conditions, technology evolution, seasonality, or other changes in the global economic environment; • changes or fluctuations in sales and implementation cycles for our products and services; • reduced visibility into our customers' spending and implementation plans; • reductions in customers' budgets for data center and other IT purchases or delays in these purchases; • fluctuations in our gross margins, including the factors described herein, which may contribute to such fluctuations; • our ability to control costs, including operating expenses, the costs of hardware and software components, and other manufacturing costs; • our ability to develop, introduce and gain market acceptance of new products, technologies and services, and our success in new and evolving markets; • any significant changes in the competitive environment, including the entry of new competitors or the substantial discounting of products or services; • the timing and execution of product transitions or new product introductions, and related inventory costs; • variations in sales channels, product costs, or mix of products sold; • our ability to establish and manage our distribution channels, and the effectiveness of any changes we make to our distribution model; • the ability of our contract manufacturers and suppliers to provide component parts, hardware platforms and other products in a timely manner; 24 -------------------------------------------------------------------------------- Table of Contents • benefits anticipated from our investments in sales, marketing, product development, manufacturing or other activities; and • changes in tax laws or regulations, or other accounting rules.

Our success depends on our timely development of new products and features, market acceptance of new product offerings and proper management of the timing of the life cycle of our products The application delivery networking and file virtualization markets are characterized by rapid technological change, frequent new product introductions, changes in customer requirements and evolving industry standards. Our continued success depends on our ability to identify and develop new products and new features for our existing products to meet the demands of these changes, and the acceptance of those products and features by our existing and target customers.

If we are unable to identify, develop and deploy new products and new product features on a timely basis, our business and results of operations may be harmed.

The current development cycle for our products is on average 12-24 months. The introduction of new products or product enhancements may shorten the life cycle of our existing products, or replace sales of some of our current products, thereby offsetting the benefit of even a successful product introduction, and may cause customers to defer purchasing our existing products in anticipation of the new products. This could harm our operating results by decreasing sales, increasing our inventory levels of older products and exposing us to greater risk of product obsolescence. We have also experienced, and may in the future experience, delays in developing and releasing new products and product enhancements. This has led to, and may in the future lead to, delayed sales, increased expenses and lower quarterly revenue than anticipated. Also, in the development of our products, we have experienced delays in the prototyping of our products, which in turn has led to delays in product introductions. In addition, complexity and difficulties in managing product transitions at the end-of-life stage of a product can create excess inventory of components associated with the outgoing product that can lead to increased expenses. Any or all of the above problems could materially harm our business and results of operations.

Our success depends on sales and continued innovation of our Application Delivery Networking product lines For the fiscal year ended September 30, 2011 and the six months ended March 31, 2012, we derived approximately 97.4% and 98.6% of our net product revenues, respectively, or approximately 61.0% and 59.8% of our total net revenues, respectively, from sales of our Application Delivery Networking (ADN) product lines. We expect to continue to derive a significant portion of our net revenues from sales of our ADN products in the future. Implementation of our strategy depends upon these products being able to solve critical network availability and performance problems for our customers. If our ADN products are unable to solve these problems for our customers or if we are unable to sustain the high levels of innovation in our ADN product feature set needed to maintain leadership in what will continue to be a competitive market environment, our business and results of operations will be harmed.

We may not be able to compete effectively in the emerging application delivery networking and file virtualization markets The markets we serve are new, rapidly evolving and highly competitive, and we expect competition to persist and intensify in the future. Our principal competitors in the application delivery networking market include Brocade Communications Systems, Inc., Cisco Systems, Inc., Citrix Systems, Inc., and Radware Ltd. In the adjacent WAN Optimization Controller market, we compete with Blue Coat Systems, Inc., Cisco, Citrix, Juniper Networks, Inc. and Riverbed Technology, Inc. In the file virtualization market, we compete with EMC Corporation. We expect to continue to face additional competition as new participants enter our markets. As we continue to expand globally, we may see new competitors in different geographic regions. In addition, larger companies with significant resources, brand recognition, and sales channels may form alliances with or acquire competing application delivery networking solutions from other companies and emerge as significant competitors. Potential competitors may bundle their products or incorporate an Internet traffic management or security component into existing products in a manner that discourages users from purchasing our products. Any of these circumstances may limit our opportunities for growth and negatively impact our financial performance.

The average selling price of our products may decrease and our costs may increase, which may negatively impact gross profits It is possible that the average selling prices of our products will decrease in the future in response to competitive pricing pressures, increased sales discounts, new product introductions by us or our competitors or other factors.

Therefore, in order to maintain our gross profits, we must develop and introduce new products and product enhancements on a timely basis and continually reduce our product costs. Our failure to do so will cause our net revenue and gross profits to decline, which will harm our business and results of operations. In addition, we may experience substantial period-to-period fluctuations in future operating results due to the erosion of our average selling prices.

25-------------------------------------------------------------------------------- Table of Contents It is difficult to predict our future operating results because we have an unpredictable sales cycle Our products have a lengthy sales cycle and the timing of our revenue is difficult to predict. Historically, our sales cycle has ranged from approximately two to three months and has tended to lengthen as we have increasingly focused our sales efforts on the enterprise market. Also, as our distribution strategy has evolved into more of a channel model, utilizing value-added resellers, distributors and systems integrators, the level of variability in the length of sales cycle across transactions has increased and made it more difficult to predict the timing of many of our sales transactions.

Sales of our products require us to educate potential customers in their use and benefits. Sales of our products are subject to delays from the lengthy internal budgeting, approval and competitive evaluation processes that large corporations and governmental entities may require. For example, customers frequently begin by evaluating our products on a limited basis and devote time and resources to testing our products before they decide whether or not to purchase. Customers may also defer orders as a result of anticipated releases of new products or enhancements by our competitors or us. As a result, our products have an unpredictable sales cycle that contributes to the uncertainty of our future operating results.

Our business may be harmed if our contract manufacturers are not able to provide us with adequate supplies of our products or if a single source of hardware assembly is lost or impaired We outsource the manufacturing of our hardware platforms to third party contract manufacturers who assemble these hardware platforms to our specifications. We have experienced minor delays in shipments from contract manufacturers in the past. However, if we experience major delays in the future or other problems, such as inferior quality and insufficient quantity of product, any one or a combination of these factors may harm our business and results of operations.

The inability of our contract manufacturers to provide us with adequate supplies of our products or the loss of one or more of our contract manufacturers may cause a delay in our ability to fulfill orders while we obtain a replacement manufacturer and may harm our business and results of operations. In particular, we currently subcontract manufacturing of our application delivery networking products to a single contract manufacturer with whom we do not have a long-term contract. If our arrangement with this single source of hardware assembly was terminated or otherwise impaired, and we were not able to engage another contract manufacturer in a timely manner, our business, financial condition and results of operation could be adversely affected.

If the demand for our products grows, we will need to increase our raw material and component purchases, contract manufacturing capacity and internal test and quality control functions. Any disruptions in product flow may limit our revenue, may harm our competitive position and may result in additional costs or cancellation of orders by our customers.

Our business could suffer if there are any interruptions or delays in the supply of hardware components from our third-party sources We currently purchase several hardware components used in the assembly of our products from a number of single or limited sources. Lead times for these components vary significantly. The unavailability of suitable components, any interruption or delay in the supply of any of these hardware components or the inability to procure a similar component from alternate sources at acceptable prices within a reasonable time, may delay assembly and sales of our products and, hence, our revenues, and may harm our business and results of operations.

We are subject to governmental export and import controls that could subject us to liability or impair our ability to compete in international markets Our products are subject to U.S. export controls and may be exported outside the U.S. only with the required level of export license or through an export license exception because we incorporate encryption technology into our products. In addition, various countries regulate the import of certain encryption technology and have enacted laws that could limit our ability to distribute our products or our customers' ability to implement our products in those countries. Changes in our products or changes in export and import regulations may create delays in the introduction of our products in international markets, prevent our customers with international operations from deploying our products throughout their global systems or, in some cases, prevent the export or import of our products to certain countries altogether. Any change in export or import regulations or related legislation, shift in approach to the enforcement or scope of existing regulations or change in the countries, persons or technologies targeted by such regulations, could result in decreased use of our products by, or in our decreased ability to export or sell our products to, existing or potential customers with international operations. For example, we will need to comply with Waste Electrical and Electronic Equipment Directive laws, which are being adopted by certain European Economic Area countries on a country-by-country basis. Failure to comply with these and similar laws on a timely basis, or at all, could have a material adverse effect on our business, operating results and financial condition. Any decreased use of our products or limitation on our ability to export or sell our products would likely adversely affect our business, operating results and financial condition.

26-------------------------------------------------------------------------------- Table of Contents We may not be able to adequately protect our intellectual property, and our products may infringe on the intellectual property rights of third parties We rely on a combination of patent, copyright, trademark and trade secret laws, and restrictions on disclosure of confidential and proprietary information to protect our intellectual property rights. Despite our efforts to protect our proprietary rights, unauthorized parties may attempt to copy or otherwise obtain and use our products or technology. Monitoring unauthorized use of our products is difficult, and we cannot be certain that the steps we have taken will prevent misappropriation of our technology, particularly in foreign countries where the laws may not protect our proprietary rights as fully as in the United States.

Our industry is characterized by the existence of a large number of patents and frequent claims and related litigation regarding patent and other intellectual property rights. In the ordinary course of our business, we are involved in disputes and licensing discussions with others regarding their claimed proprietary rights and cannot assure you that we will always successfully defend ourselves against such claims. We expect that infringement claims may increase as the number of products and competitors in our market increases and overlaps occur. Also, as we have gained greater visibility, market exposure and competitive success, we face a higher risk of being the subject of intellectual property infringement claims. If we are found to infringe the proprietary rights of others, or if we otherwise settle such claims, we could be compelled to pay damages or royalties and either obtain a license to those intellectual property rights or alter our products so that they no longer infringe upon such proprietary rights. Any license could be very expensive to obtain or may not be available at all. Similarly, changing our products or processes to avoid infringing upon the rights of others may be costly or impractical. In addition, we have initiated, and may in the future initiate, claims or litigation against third parties for infringement of our proprietary rights, or to determine the scope and validity of our proprietary rights or those of our competitors. Any of these claims, whether claims that we are infringing the proprietary rights of others, or vice versa, with or without merit, may be time-consuming, result in costly litigation and diversion of technical and management personnel or require us to cease using infringing technology, develop non-infringing technology or enter into royalty or licensing agreements. Further, our license agreements typically require us to indemnify our customers, distributors and resellers for infringement actions related to our technology, which could cause us to become involved in infringement claims made against our customers, distributors or resellers. Any of the above-described circumstances relating to intellectual property rights disputes could result in our business and results of operations being harmed.

Many of our products include intellectual property licensed from third parties.

In the future, it may be necessary to renew licenses for third party intellectual property or obtain new licenses for other technology. These third party licenses may not be available to us on acceptable terms, if at all. The inability to obtain certain licenses, or litigation regarding the interpretation or enforcement of license rights and related intellectual property issues, could have a material adverse effect on our business, operating results and financial condition. Furthermore, we license some third party intellectual property on a non-exclusive basis and this may limit our ability to protect our intellectual property rights in our products.

We may not be able to sustain or develop new distribution relationships, and a reduction or delay in sales to significant distribution partners could hurt our business We sell our products and services through multiple distribution channels in the United States and internationally, including leading industry distributors, value-added resellers, systems integrators, service providers and other indirect channel partners. We have a limited number of agreements with companies in these channels, and we may not be able to increase our number of distribution relationships or maintain our existing relationships. Recruiting and retaining qualified channel partners and training them in our technologies requires significant time and resources. If we are unable to establish or maintain our indirect sales channels, our business and results of operations will be harmed.

In addition, two worldwide distributors of our products accounted for 28.8% of our total net revenue for fiscal year 2011. Two worldwide distributors of our products accounted for 24.7% of our total net revenue for fiscal year 2010. Two worldwide distributors of our products accounted for 31.0% of our total net revenue for the six months ended March 31, 2012. A substantial reduction or delay in sales of our products to these distribution partners, if not replaced by sales to other indirect channel partners and distributors, could harm our business, operating results and financial condition.

Undetected software or hardware errors may harm our business and results of operations Our products may contain undetected errors or defects when first introduced or as new versions are released. We have experienced these errors or defects in the past in connection with new products and product upgrades. We expect that these errors or defects will be found from time to time in new or enhanced products after commencement of commercial shipments. These problems may cause us to incur significant warranty and repair costs, divert the attention of our engineering personnel from our product development efforts and cause significant customer relations problems. We may also be subject to liability claims for damages related to product errors or defects. While we carry insurance policies covering this type of liability, these policies may not provide sufficient protection should a claim be asserted. A material product liability claim may harm our business and results of operations.

27-------------------------------------------------------------------------------- Table of Contents Our products must successfully operate with products from other vendors. As a result, when problems occur in a network, it may be difficult to identify the source of the problem. The occurrence of software or hardware problems, whether caused by our products or another vendor's products, may result in the delay or loss of market acceptance of our products. The occurrence of any of these problems may harm our business and results of operations.

Adverse general economic conditions or reduced information technology spending may adversely impact our business A substantial portion of our business depends on the demand for information technology by large enterprise customers and service providers, the overall economic health of our current and prospective customers and the continued growth and evolution of the Internet. International, national, regional and local economic conditions, such as recessionary economic cycles, protracted economic slowdown or further deterioration of the economy could adversely impact demand for our products. The purchase of our products is often discretionary and may involve a significant commitment of capital and other resources. Continued weak economic conditions or a reduction in information technology spending even if economic conditions improve would likely result in longer sales cycles and reduced product sales, each of which would adversely impact our business, results of operations and financial condition.

Our investments in auction rate securities are subject to risks that may cause losses and affect the liquidity of these investments At March 31, 2012, the fair value of our AAA/A- (or equivalent) rated municipal auction rate securities (ARS) was approximately $13.2 million. We may not be able to liquidate these ARS and realize their full carrying value unless the issuer calls the security, a successful auction occurs, a buyer is found outside of the auction process, or the security otherwise matures. While we do not believe the decline in the carrying values of these municipal ARS is permanent, if the issuers of these securities are unable to successfully close future auctions and their credit ratings are lowered, we may be required to record future impairment charges related to these investments, which would harm our results of operations. We believe certain of these available-for-sale investments may remain illiquid for longer than twelve months and as a result, we have classified these investments as long-term as of March 31, 2012.

Our operating results are exposed to risks associated with international commerce As our international sales increase, our operating results become more exposed to international operating risks. These risks include risks related to recessionary economic cycles or protracted slowdowns in economies outside the United States, foreign currency exchange rates, managing foreign sales offices, regulatory, political or economic conditions in specific countries, military conflict or terrorist activities, changes in laws and tariffs, inadequate protection of intellectual property rights in foreign countries, foreign regulatory requirements and natural disasters. All of these factors could have a material adverse effect on our business. We intend to continue expanding into international markets. International revenues represented 45.5% and 45.4% of our net revenues for the fiscal years ended September 30, 2011 and 2010, respectively, and 46.8% for the six months ended March 31, 2012.

Changes in governmental regulations could negatively affect our revenues Our products are subject to various regulations promulgated by the United States and various foreign governments including, but not limited to, environmental regulations and regulations implementing export license requirements and restrictions on the import or export of some technologies, especially encryption technology. Changes in governmental regulation and our inability or failure to obtain required approvals, permits or registrations could harm our international and domestic sales and adversely affect our revenues, business and operations.

Changes in financial accounting standards may cause adverse unexpected revenue fluctuations and affect our reported results of operations A change in accounting policies can have a significant effect on our reported results and may even affect our reporting of transactions completed before the change is effective. New pronouncements and varying interpretations of existing pronouncements have occurred with frequency and may occur in the future. Changes to existing rules, or changes to the interpretations of existing rules, could lead to changes in our accounting practices, and such changes could adversely affect our reported financial results or the way we conduct our business.

28-------------------------------------------------------------------------------- Table of Contents Acquisitions, including our recent acquisition of Traffix Systems, present many risks and we may not realize the financial and strategic goals that are contemplated at the time of the transaction With respect to our past acquisitions, as well as any other future acquisitions we may undertake, we may find that the acquired businesses, products or technologies do not further our business strategy as expected, that we paid more than what the assets are later worth or that economic conditions change, all of which may generate future impairment charges. Our acquisitions may be viewed negatively by customers, financial markets or investors. There may be difficulty integrating the operations and personnel of the acquired business, and we may have difficulty retaining the key personnel of the acquired business. We may have difficulty in integrating the acquired technologies or products with our existing product lines. Our ongoing business and management's attention may be disrupted or diverted by transition or integration issues and the complexity of managing geographically and culturally diverse locations. We may have difficulty maintaining uniform standards, controls, procedures and policies across locations. We may experience significant problems or liabilities associated with product quality, technology and other matters.

Our inability to successfully operate and integrate newly-acquired businesses appropriately, effectively and in a timely manner, or to retain key personnel of any acquired business, could have a material adverse effect on our ability to take advantage of further growth in demand for integrated traffic management and security solutions and other advances in technology, as well as on our revenues, gross margins and expenses.

Our success depends on our key personnel and our ability to attract and retain qualified sales and marketing, operations, product development and professional services personnel Our success depends to a significant degree upon the continued contributions of our key management, product development, sales, marketing and finance personnel, many of whom may be difficult to replace. The complexity of our application delivery networking products and their integration into existing networks and ongoing support, as well as the sophistication of our sales and marketing effort, requires us to retain highly trained professional services, customer support and sales personnel. Competition for qualified professional services, customer support and sales personnel in our industry is intense because of the limited number of people available with the necessary technical skills and understanding of our products. Our ability to retain and hire these personnel may be adversely affected by volatility or reductions in the price of our common stock, since these employees are generally granted restricted stock units. The loss of services of any of our key personnel, the inability to retain and attract qualified personnel in the future or delays in hiring qualified personnel may harm our business and results of operations.

We face litigation risks We are a party to lawsuits in the normal course of our business. Litigation in general, and intellectual property and securities litigation in particular, can be expensive, lengthy and disruptive to normal business operations. Moreover, the results of complex legal proceedings are difficult to predict. Responding to lawsuits has been, and will likely continue to be, expensive and time-consuming for us. An unfavorable resolution of these lawsuits could adversely affect our business, results of operations or financial condition.

Anti-takeover provisions could make it more difficult for a third party to acquire us Our Board of Directors has the authority to issue up to 10,000,000 shares of preferred stock and to determine the price, rights, preferences, privileges and restrictions, including voting rights, of those shares without any further vote or action by the shareholders. The rights of the holders of common stock may be subject to, and may be adversely affected by, the rights of the holders of any preferred stock that may be issued in the future. The issuance of preferred stock may have the effect of delaying, deferring or preventing a change of control of our company without further action by our shareholders and may adversely affect the voting and other rights of the holders of common stock.

Further, certain provisions of our bylaws, including a provision limiting the ability of shareholders to raise matters at a meeting of shareholders without giving advance notice, may have the effect of delaying or preventing changes in control or management of our company, which could have an adverse effect on the market price of our common stock. In addition, our articles of incorporation provide for a staggered board, which may make it more difficult for a third party to gain control of our Board of Directors. Similarly, state anti-takeover laws in the State of Washington related to corporate takeovers may prevent or delay a change of control of our company.

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