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•	The delivered item(s) has value to the customer on a standalone basis; and

•	If the arrangement includes a general right of return relative to the delivered item(s), delivery or performance of the undelivered item(s) is considered probable and substantially in the control of the Company.

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•	It is commensurate with either of the following:

•	The Company’s performance to achieve the milestone; or

•	The enhancement of value of the delivered item or items as a result of a specific outcome resulting from the Company’s performance to achieve the milestone.

•	It relates solely to past performance.

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•	It is reasonable relative to all of the deliverables and payment terms (including other potential milestone consideration) within the arrangement.

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(1)	Included in “Short-term investments” on the Company’s Condensed Consolidated Balance Sheets.

(2)	Included in “Prepaid expenses and other current assets” and “Other non-current assets” on the Company’s Condensed Consolidated Balance Sheets.

(3)	Included in “Other accrued liabilities” and “Other non-current liabilities” on the Company’s Condensed Consolidated Balance Sheets.

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•	supercomputing with many-core commodity processors driving increasing scalability requirements;

•	increased micro-architectural diversity, including increased usage of many-core processors and accelerators, as the rate of increases in per-core performance slows;

•	data I/O and capacity needs growing much faster than computational needs;

•	technology innovations in memory and storage allowing for faster data access such as high bandwidth memory (HBM), NVRAM, SSDs and flash devices;

•	the commoditization of HPC hardware, particularly processors and system interconnects;

•	the growing concentration of very large suppliers of key computing, memory and storage components in the industry;

•	the growing commoditization of software, including plentiful building blocks and more capable open source software;

•	electrical power requirements becoming a design constraint and driver in total cost of ownership determinations;

•	increasing use of analytics technologies (Hadoop, Spark, NoSQL and Graph) in both the HPC and big data markets;

•	the rise of artificial intelligence along with machine learning and deep learning technologies which utilize HPC technologies for performance and scale;

•	cloud computing as a solution for loosely-coupled HPC applications;

•	large increases in memory prices during the past year; and

•	the recent decrease in demand for supercomputers and the significant variability in market demand from quarter-to-quarter and year-to-year.

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•	The delivered item(s) has value to the customer on a standalone basis; and

•	If the arrangement includes a general right of return relative to the delivered item(s), delivery or performance of the undelivered item(s) is considered probable and substantially in our control.

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•	It is commensurate with either of the following:

•	Our performance to achieve the milestone; or

•	The enhancement of value of the delivered item or items as a result of a specific outcome resulting from our performance to achieve the milestone.

•	It relates solely to past performance.

•	It is reasonable relative to all of the deliverables and payment terms (including other potential milestone consideration) within the arrangement.

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•	our ability to secure sufficient orders at high enough gross margins for our Cray XC and Cray CS systems as well as upgrades and successor systems, such as our next generation “Shasta” system;

•	successfully delivering and obtaining sufficient customer acceptances of our Cray XC and Cray CS systems, including attached storage systems;

•	our ability to successfully integrate the ClusterStor product line and business associated sales channel and our ability to successfully generate revenue and profitability from sales of our storage and analytics and data management products, as well as upgrades and successor systems;

•	our ability to successfully and timely design for, procure and integrate competitive processors for our Cray XC and Cray CS systems and upgrades and successor systems;

•	our expense levels, including research and development expense net of any government funding;

•	delays in delivery of upgraded or new systems, longer than expected customer acceptance cycles or penalties resulting from system acceptance issues;

•	our ability to efficiently scale our internal processes to meet necessary peak requirements and growth in our business;

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•	the level of revenue recognized in any given period, which is affected by the very high average sales prices and limited number of significant system sales and resulting potential acceptances in any quarter, the timing of product orders and acceptances by customers and contractual provisions affecting the timing and amount of revenue recognition;

•	our ability to continue to broaden our customer base beyond our traditional customers;

•	revenue delays or losses due to customers postponing purchases as a result of delays in available budgets or waiting times related to the availability of future upgraded or new systems, including those containing new processors;

•	the level of product gross profit contribution in any given period due to volume, competition or product mix, particularly with the introduction of flexible commodity-based supercomputers, competitive factors, strategic transactions, product life cycle, currency fluctuations, acceptance penalties and component costs;

•	the competitiveness of our products, services and prices;

•	our ability to secure additional government funding for future development projects;

•	maintaining and successfully completing our product development projects on schedule and within budgetary limitations;

•	our ability to resolve and the costs incurred in connection with any actual or alleged issues with our products, including third-party components of such products, such as those that relate to product defects or intellectual property rights;

•	the level and timing of maintenance contract renewals with existing customers; and

•	the terms and conditions of sale or lease for our products and services.

•	whether or when the segments of the high-end of the supercomputing market that we target, which are currently experiencing a slow-down, rebound and resume growing;

•	the timely availability of acceptable components, including, but not limited to, processors and memory, in sufficient quantities to meet customer delivery schedules and other customer commitments at a competitive cost;

•	the timing and level of government funding and resources available for product acquisitions and research and development contracts, which have been, and may continue to be, adversely affected by the current global economic and fiscal uncertainties, increased governmental budgetary limitations and disruptions in the operations of the United States and other governments;

•	competitor and supplier pricing strategies;

•	currency fluctuations, international conflicts or economic crises, including the ongoing economic challenges in the United States, Japan and Europe, and fluctuations in oil prices that can affect the resources available to potential customers to purchase products;

•	new tariffs or taxes imposed on components and products sourced or manufactured outside of the United States;

•	the introduction or announcement of competitive or key industry supplier products;

•	price fluctuations or product shortages in the processors and other commodity electronics and memory markets;

•	the availability of adequate customer facilities to install and operate new Cray systems;

•	general economic trends, including changes in levels of customer capital spending; and

•	our customers’ ability to make future payments in accordance with contractual terms of their purchase or sales-type lease agreements.

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•	the level of product differentiation in our Cray XC systems and successor systems, such as our next generation Shasta system. We need to compete successfully against HPC systems from both large, established companies and smaller companies and demonstrate the value of our balanced, tightly integrated systems to our customers in a variety of markets;

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our ability to meet all customer requirements for acceptance. Even once a system has been delivered, we sometimes do not meet all of the contract requirements for customer acceptance and ongoing reliability of our systems within the provided-for acceptance period, which has resulted in contract penalties and delays in our ability to recognize revenue from system deliveries. Most often these penalties have adversely affected revenue and gross profit at the time of revenue recognition through the provision of additional equipment and services and/or service credits to satisfy delivery delays and performance shortfalls. The risk of contract penalties is increased when we bid for new business prior to us or our suppliers completing development of new products and when we must estimate future system performance and costs, such as has been required with our Cray XC systems and our Sonexion storage systems, and will be frequently required for subsequent systems, such as our next generation Shasta system;

•	our ability to source competitive, key components in appropriate quantities (to have enough to sell without ending up with excess inventory that can lead to obsolescence charges), in a timely fashion and with acceptable costs and terms and conditions and that meet the performance criteria required; and

•	whether potential customers delay purchases of our products because they decide to wait for successor systems or upgrades that we or our suppliers have announced or they believe will be available in the future.

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if a supplier does not provide components or systems that meet our or their specifications in sufficient quantities and with acceptable performance, price or quality on time or deliver when required, or delays future components or systems beyond anticipated delivery dates, then sales, production, delivery, acceptance and revenue from our systems could be delayed and/or reduced and we could be subject to costly repair and/or delay costs and penalties even once delivered and accepted, which is currently happening and has happened multiple times in the past and has at times significantly lowered our revenue for a particular quarter or year;

•	if our relationship with a key supplier, such as Intel, is adversely affected, for example, due to competitive pressures or changes in company strategies and priorities, our ability to obtain components on competitive financial terms could be adversely affected;

•	if a supplier cannot provide a competitive key component, for example, due to inadequate performance or a prohibitive price, or eliminates key features from components, such as with the processors we design into our systems, our systems may be less competitive than systems using components with greater capabilities;

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if an interruption of supply of our components, services or capabilities occurs because a supplier changes its technology roadmap, suffers damage to its manufacturing facilities, decides to no longer provide those products or services, increases the price of those products or services significantly or imposes reduced delivery allocations on its customers, it could take us a considerable period of time to identify and qualify alternative suppliers, to redesign our products as necessary and to begin to manufacture the redesigned components or otherwise obtain those services or capabilities. In some cases, such as with key integrated circuits and memory parts or processors, we may not be able to redesign such components or find alternate sources that we could use in any realistic timeframe;

•	if a supplier plans future processors that are made available in a way that encourages customers to delay purchases of our products because they decide to wait for successor systems or upgrades they believe will be available in the future or to purchase products with the future processors from our competitors who are willing to take greater risk on delivery;

•	if Cray systems at customer sites develop significant issues with third-party components, as has occurred, the cost to Cray to repair or replace the components or otherwise address such issue may be material. If we are unable to effectively address such problem or a problem causes customer disruption, our relationship with our customers may also be harmed;

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•	if a supplier of a component is subject to a claim that the component infringes a third-party’s intellectual property rights, as has happened with multiple suppliers, our ability to obtain necessary components could be adversely affected or our cost to obtain such components could increase significantly;

•	if a key supplier is acquired or has a significant business change, as has occurred in the past, the production and sales of our systems and services may be delayed or adversely affected, or our development programs may be delayed or may be impossible to complete.

•	if a supplier providing us with key research and development and design services or core technology components with respect to integrated circuit design, network communication capabilities or software is late, fails to provide us with effective functionality or loses key internal talent, our development programs may be delayed or prove to be impossible to complete;

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if a supplier provides us with hardware or software that contains bugs or other errors or defects, or is different from what we expected, our development projects and production systems may be adversely affected through reduced performance or capabilities, additional design testing and verification efforts, re-spins of integrated circuits and/or development of replacement components, and the production and sales of our systems could be delayed and systems installed at customer sites could require significant, expensive field component replacements or result in penalties;

•	some of our key component and service suppliers are small companies with limited financial and other resources, and consequently may be more likely to experience financial and operational difficulties than larger, well-established companies, which increases the risk that they will be unable to deliver products as needed; and

•	uncertainties relating to priorities of the new administration or adverse decisions by the new administration to reduce or eliminate budgets for governmental agencies or departments that purchase or fund the purchase of our products and services;

•	Congressional and executive branch decisions in addressing budget concerns and current policy;

•	disruptions in the operations of the U.S. government, including impacts of the new administration and possible government “shutdowns”;

•	“sequestration”;

•	the downgrading of U.S. government debt or the possibility of such action;

•	the political climate in the United States focusing on cutting or limiting budgets and its effect on government budgets;

•	the limits on federal borrowing capacity;

•	changes in procurement policies;

•	budgetary considerations, including Congressional delays in completing appropriation bills as has occurred in the past;

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•	domestic crises, such as costs of addressing the damage associated with storms this year in the United States and its territories;

•	political efforts to limit the activities of U.S. intelligence community agencies, including proposed state legislation that would limit or even criminalize doing business with the U.S. National Security Agency for certain companies doing business with state governments; and

•	international political developments, such as the downgrading of European debt or the United Kingdom’s departure from the European Union.

•	pay third-party infringement claims;

•	discontinue manufacturing, using or selling particular products subject to infringement claims;

•	discontinue using the technology or processes subject to infringement claims;

•	develop other technology not subject to infringement claims, which could be time-consuming and costly or may not be possible; and/or

•	license technology from third-parties, which license may not be available on commercially reasonable terms, or at all.

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•	difficulties in successfully integrating the operations, systems, technologies, products, sales channels, manufacturing processes, offerings and personnel of the acquired company or companies, assets and/or business;

•	insufficient revenue, margin or other benefits to offset increased expenses or other negative impacts associated with acquisitions or strategic transactions;

•	diversion of management’s attention from normal daily operations of the business and the challenges of managing larger and more widespread operations resulting from acquisitions or strategic transactions, including other customers of an acquired business;

•	potential difficulties in completing projects associated with in-process research and development intangibles;

•	difficulties in entering markets in which we have no or limited direct prior experience and where competitors in such markets have stronger market positions;

•	initial dependence on unfamiliar supply chains or relatively small supply partners;

•	the potential loss of key employees, customers, distributors, vendors and other business partners of the companies or businesses we acquire following and continuing after announcement of any transaction; and

•	the potential to invest significant time and resources into a potential acquisition or strategic transaction that does not ultimately complete or close.

•	use a substantial portion of our cash reserves or incur debt;

•	issue equity securities or grant equity incentives to acquired employees that would dilute our current shareholders’ percentage ownership;

•	assume or incur liabilities, including potentially unknown or underestimated liabilities;

•	record goodwill and non-amortizable intangible assets that are subject to impairment testing on a regular basis and potential periodic impairment charges;

•	incur amortization expenses related to certain intangible assets;

•	incur large and immediate write-offs and restructuring and other related expenses; or

•	become subject to intellectual property litigation or other litigation.

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•	supporting multiple languages;

•	recruiting sales and technical support personnel internationally with the skills to sell and support our products and the potentially high cost related to employee separations;

•	complying with governmental regulations, including obtaining required import or export approval for our products;

•	increased complexity and costs of managing international operations;

•	increased exposure to foreign currency exchange rate fluctuations;

•	trade protection measures and business practices that favor local competition;

•	risks and costs associated with employee-favorable labor laws in many foreign jurisdictions;

•	longer sales cycles and manufacturing lead times;

•	financial risks such as longer payment cycles and difficulties in collecting accounts receivable;

•	difficulties associated with repatriating cash generated or held abroad in a tax-efficient manner;

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•	ineffective legal protection of intellectual property rights;

•	more complicated logistics and distribution arrangements;

•	additional taxes and penalties;

•	inadequate local infrastructure that could result in business disruptions;

•	global political and economic instability; and

•	other factors beyond our control such as natural disasters, terrorism, civil unrest, war and infectious disease.

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•	removal of a director only in limited circumstances and only upon the affirmative vote of not less than two-thirds of the shares entitled to vote to elect directors;

•	the ability of our Board of Directors to issue up to 5,000,000 shares of preferred stock, without shareholder approval, with rights senior to those of the common stock;

•	no cumulative voting of shares;

•	the right of shareholders to call a special meeting of the shareholders only upon demand by the holders of not less than 30% of the shares entitled to vote at such a meeting;

•	the affirmative vote of not less than two-thirds of the outstanding shares entitled to vote on an amendment, unless the amendment was approved by a majority of our continuing directors, who are defined as directors who have either served as a director since August 31, 1995, or were nominated to be a director by the continuing directors;

•	special voting requirements for mergers and other business combinations, unless the proposed transaction was approved by a majority of continuing directors;

•	special procedures to bring matters before our shareholders at our annual shareholders’ meeting; and

•	special procedures to nominate members for election to our Board of Directors.

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