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Fitbit Inc.

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Employees 1001-5000
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FY2015 Annual Report · Fitbit Inc.
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
____________________________________________
FORM 10-K
____________________________________________

(Mark one) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2015
or

o 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: 001-37444
____________________________________________
FITBIT, INC.
(Exact name of registrant as specified in its charter)
____________________________________________

Delaware
(State or other jurisdiction of
 incorporation or organization)

20-8920744
(I.R.S. Employer Identification No.)

405 Howard Street
San Francisco, California 94105
(Address of principal executive offices) (Zip Code)

(415) 513-1000
(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Class A Common Stock, par value $0.0001

Name of each exchange on which registered

New York Stock Exchange LLC

Indicate by check mark whether the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes o
No þ

Securities registered pursuant to Section 12(g) of the Act: None

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 o
No þ

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 þ
No o

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 þ
No
o

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. þ

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
Non-accelerated filer

o
þ (Do not check if a smaller reporting company)

Accelerated filer
Smaller reporting company

o
o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o
No þ

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant, based on the closing sale price of the registrant's Class A common stock on June
30, 2015, as reported on the New York Stock Exchange, was approximately $3.0 billion.

As of February 19, 2016, there were 137,971,036 shares of the registrant’s Class A common stock outstanding and 78,035,345 shares of the registrant’s Class B common stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s Definitive Proxy Statement for the Annual Meeting of Stockholders are incorporated herein by reference in Part III of this Annual Report on Form 10-K to the extent
stated herein. Such proxy statement will be filed with the Securities and Exchange Commission within 120 days of the registrant’s fiscal year ended December 31, 2015.

 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

Item 1.

Item 1A.

Item 1B.

Item 2.

Item 3.

Item 4.

Item 5.

Item 6.

Item 7.

Item 7A.

Item 8.

Item 9.

Item 9A.

Item 9B.

Item 10.

Item 11.

Item 12.

Item 13.

Item 14.

Item 15.

Fitbit, Inc.
Form 10-K
For the Fiscal Year Ended December 31, 2015

TABLE OF CONTENTS

Part I

Business

Risk Factors

Unresolved Staff Comments

Properties

Legal Proceedings

Mine Safety Disclosures

Part II

Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity
Securities

Selected Financial Data

Management's Discussion and Analysis of Financial Condition and Results of Operations

Quantitative and Qualitative Disclosures About Market Risk

Financial Statements and Supplementary Data

Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

Controls and Procedures

Other Information

Part III

Directors, Executive Officers and Corporate Governance

Executive Compensation

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

Certain Relationships and Related Transactions and Director Independence

Principal Accounting Fees and Services

Part IV

Exhibits, Financial Statement Schedules

Signatures

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NOTE ABOUT FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K contains forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995, that involve
risks and uncertainties. All statements contained in this Annual Report on Form 10-K other than statements of historical fact, including statements regarding our
future results of operations and financial position, our business strategy and plans, and our objectives for future operations, are forward-looking statements. The
words  “believe,”  “may,”  “will,”  “estimate,”  “continue,”  “anticipate,”  “intend,”  “expect,”  and  similar  expressions  are  intended  to  identify  forward-looking
statements. Forward-looking statements contained in this Annual Report on Form 10-K include, but are not limited to, statements about:

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competitors and competition in our markets;
our expectation to derive the substantial majority of our revenue from sales of devices;
releasing and shipping new products and services, and the timing thereof;
trends in revenue, costs of revenue and gross margin;
trends  in  our  operating  expenses,  including  personnel  costs,  research  and  development  expense,  sales  and  marketing  expense  and  general  and
administrative expense;
trends in our quarterly operating results and other operating metrics;
the effect of seasonality on our results of operations;
the  sufficiency  of  our  existing  cash  and  cash  equivalent  balances  and  cash  flow  from  operations  to  meet  our  working  capital  and  capital  expenditure
needs for at least the next 12 months;
the impact of foreign currency exchange rates;
legal proceedings and the impact of such proceedings;
continued investments in research and development, sales and marketing and international expansion and the impact of those investments;
expansion of our distribution channels; our reliance on third-party suppliers, contract manufacturers (particularly Flextronics) and logistics providers
and our limited control over such parties;
our  ability  to  successfully  build  relationships  with  employers  and  wellness  providers,  enhance  our  corporate  wellness  offerings  and  our  expectations
around the growth of the corporate wellness market;
our ability to expand our brand awareness;
our ability to develop new products and services or improve our existing products and services;
our business strategy to make investments in other companies, products and technologies;
our belief that the active user and registered device user metrics are indicators of the potential size of our community;
our ability to attract and retain users and increase the level of engagement of our users;
growing our sales of subscription-based services ;
our ability to attract and retain highly skilled employees; and
general market, political, economic and business conditions .

PART I

Item 1. Business

Our Mission

Fitbit helps people lead healthier, more active lives by empowering them with data, inspiration, and guidance to reach their goals.

Overview

Fitbit is transforming the way millions of people around the world achieve their health and fitness goals. The Fitbit platform combines connected health and
fitness devices with software and services, including an online dashboard and mobile apps, data analytics, motivational and social tools, personalized insights, and
virtual  coaching  through  customized  fitness  plans  and  interactive  workouts.  Our  platform  helps  people  become  more  active,  exercise  more,  sleep  better,  eat
smarter,  and  manage  their  weight.  Fitbit  appeals  to  a  large,  mainstream  health  and  fitness  market  by  addressing  these  key  needs  with  advanced  technology
embedded in simple-to-use products and services. We pioneered the connected health and fitness market starting in 2007, and since then, we have grown into a
leading global health and fitness brand.

The core of our platform is our family of eight wearable connected health and fitness trackers. These wrist-based and “clippable” devices automatically track
users’ daily steps, calories burned, distance traveled, and active minutes and display real-time feedback to encourage them to become more active in their daily
lives. Most of our trackers also measure floors climbed,

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sleep duration and quality, and our more advanced products track heart rate and GPS-based information such as speed, distance, and exercise routes. Several of our
devices also feature deeper integration with smartphones, such as the ability to receive call and text notifications and control music. In addition, we offer a Wi-Fi
connected scale that records weight, body fat, and BMI. We dedicate significant resources to developing proprietary sensors, algorithms, and software to ensure
that  our  products  have  highly  accurate  measurements,  insightful  analytics,  compact  sizes,  durability,  and  long  battery  lives.  We  are  able  to  enhance  the
functionality and features of our connected devices through wireless updates.

Our platform also includes our online dashboard and mobile apps, which wirelessly and automatically sync with our devices. Our platform allows our users
to  see  trends  and  achievements,  access  motivational  tools  such  as  virtual  badges  and  real-time  progress  notifications,  and  connect,  support,  and  compete  with
friends and family. Our direct connection with our users enables us to provide personalized insights, premium services, and information about new products and
services.  Premium  services  include  virtual  coaching  through  customized  fitness  plans  and  interactive  video-based  exercise  experiences  on  mobile  devices  and
computers.  In  addition,  we  extend  the  value  of  our  platform  through  our  open  API,  which  enables  third-party  developers  to  create  health  and  fitness  apps  that
interact  with our platform.  Through our open platform  and our large  community  of users, we have  established  a growing ecosystem  that includes  thousands of
third-party health and fitness apps that connect with our products and enhance the Fitbit experience.

Our platform enables all types of people to get fit their own way, whatever their interests and goals. Our users range from people interested in improving
their health and fitness through everyday activities to endurance athletes seeking to maximize their performance. To address this range of needs, we design our
devices, apps, and services to be easy to use so that they fit seamlessly into peoples’ daily lives or activities. Our users can sync their Fitbit devices with, and view
their dashboard on, their computers and over 200 mobile devices, including iOS, Android, and Windows Phone products. This broad compatibility, combined with
our market-leading position, has enabled us to attract what we believe is the largest community of connected health and fitness device users. The size of our user
community  increases  the  likelihood  that  our  users  will  be  able  to  find  and  engage  with  friends  and  family,  creating  positive  network  effects  that  reinforce  our
growth. In addition, data from our large community enables us to enhance our product features, provide improved insights, and offer more valuable guidance for
our users.

The Fitbit Platform

Our leading connected health and fitness platform is designed to enable our users to improve their health and fitness by:

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Tracking activities through our connected health and fitness devices. We empower users to live healthier, more active lifestyles by both tracking the
information that matters most to them and providing them with real-time feedback. Our connected health and fitness devices span multiple styles, form
factors, and price points, addressing the needs of everyone—from people simply looking to get fit by increasing their activity levels to endurance athletes
seeking  to  maximize  their  performance.  Our  devices,  which  include  wrist-based  and  clippable  fitness  trackers  and  our  Wi-Fi  connected  scale,  feature
proprietary and advanced sensor technologies and algorithms, high accuracy of measures, and long battery lives. In addition, the ease of use and small,
lightweight, and durable designs of our devices help them fit effortlessly into our users’ lifestyles.

Learning through our online dashboard and mobile apps. We offer our users a personalized online dashboard and mobile apps that sync automatically
with, and display data from, our connected health and fitness devices. We provide our users with a wide range of information and analytics, such as charts
and graphs of their progress and the ability to log caloric intake. Both our online dashboard and mobile apps are free and work with all of our connected
health and fitness devices. Our internally-developed software is regularly updated and enhanced, increasing the utility of our health and fitness platform.

Staying motivated through social features, notifications, challenges, and virtual badges. Our products help millions of users achieve their goals both
individually  and  within  the  community  that  they  choose.  On  an  individual  level,  we  motivate  users  by  delivering  real-time  feedback,  including
notifications, leaderboard and challenge updates, and virtual badges. Our platform also offers users social features that allow them to receive and provide
support and engage in friendly competition. Users can securely share some or all of their health and fitness information on an opt-in basis with friends,
family, and other parties and compete against each other on key statistics through leaderboards and daily or multi-day fitness challenges. In addition, users
can choose to share their data with thousands of third-party apps and through social networks on an opt-in basis. As users create more connections on our
network, they often benefit from higher levels of fitness activity and overall value from our platform.

Improving health and fitness through goal-setting, personalized insights, premium services, and virtual coaching. Our primary goal is to help our users
improve their health and fitness. We believe our platform assists users in changing their

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daily behavior, such as eating healthier foods or going for a run or walking more to reach a goal or win a challenge. We empower our users to set their
own  health  and  fitness  goals  and  track  their  progress  towards  these  goals.  We  also  offer  premium  services  on  a  subscription  basis  that  provide
personalized  insights  and  virtual  coaching  through  customized  fitness  plans  and  interactive  video-based  exercise  experiences  on  mobile  devices  and
computers. Our premium services feature in-depth data analysis and personalized reports, as well as benchmarking against peers.

Our Competitive Strengths

We believe the following strengths will allow us to maintain and extend our leadership position:

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Leading  market  position  and  global  brand.  Our  singular  focus  on  building  a  connected  health  and  fitness  platform,  coupled  with  our  leading  market
share, has led to our brand becoming synonymous with the connected health and fitness category.

Broad range of connected health and fitness devices. We believe everyone’s approach to fitness is different, so we offer our users a range of connected
health and fitness devices spanning multiple styles, form factors, and price points to allow people to find the devices that fit their lifestyles and goals. In
addition to our wrist-based and clippable wearable health and fitness devices, we also offer a Wi-Fi connected scale that tracks weight, body fat, and BMI.
We believe the breadth of our connected health and fitness devices provides us with a competitive advantage over our competitors, which often have a
more limited line of products.

Advanced, purpose-built hardware and software technologies. Our connected health and fitness devices leverage industry-standard technologies, such as
Bluetooth low energy, as well as proprietary technologies, such as our PurePulse continuous heart rate tracking, and our algorithms that more accurately
measure and analyze user health and fitness metrics. We devote significant resources to ensure that our devices effortlessly fit into our users’ lifestyles.
For example, we design our small, lightweight, durable, and fashionable products to be optimized for power efficiency, which enables automatic wireless
data syncing without compromising battery life. We place a similarly strong emphasis on our online dashboard and mobile apps to provide users with
visualization of their progress and personalized guidance. Our highly-scalable cloud infrastructure enables millions of users around the world to engage
with our platform in real-time.

Broad mobile compatibility and open API. Our broad mobile compatibility and open API enable a large and growing health and fitness ecosystem that
provides additional value to our existing users and extends our reach to potential new users. Our users can sync their Fitbit devices with, and view their
online  dashboard  on,  their  computers  and  over  200  mobile  devices,  including  iOS,  Android,  and  Windows  Phone  products.  This  broad  compatibility,
combined  with  our  market-leading  position,  has  enabled  us  to  build  what  we  believe  is  the  largest  community  of  connected  health  and  fitness  device
users.  Additionally,  we  enable  seamless  integration  with  thousands  of  apps  across  iOS,  Android,  and  Windows  Phone  through  our  open  API,  which
allows our users to share data with third-party apps on an opt-in basis.

Broad and differentiated go-to-market strategy. We have developed a broad go-to-market strategy that reaches individuals regardless of where they shop.
We sell our products in over 50,000 retail stores and in 63 countries, through our retailers’ websites, through our online store at Fitbit.com, and as part of
our  corporate  wellness  offering.  We  believe  the  breadth  and  depth  of  our  established  selling  channels  and  prominent  presence  in  retail  stores  are
unmatched in the connected health and fitness category and would be difficult for a competitor to replicate.

Large and growing community and powerful network effects. We believe the size of our community of users makes it more likely that users can connect
with friends and family and attracts many new users to our platform. Each of our users add value to our platform by making progress towards their goals
and syncing their data with our platform, which we leverage to provide better insights for our users. As our community of users continues to grow, we
will develop a deeper understanding of our users and expect to deliver additional value to them through more detailed insights and analysis. We believe
the growth and scale of our user community allows users to become not only more engaged with personalized and relevant content, but also less likely to
leave a community in which many of their friends and family are active members.

Direct relationship and continuous communication with our users. The connectivity of our devices allows us to better understand our users’ health and
fitness goals. This connectivity also allows us to communicate the most relevant analysis, features, advice, and content to our users throughout the day
with our online dashboard, mobile apps, emails, and notifications. We also utilize these communication channels to help our users become aware of our
new products and services.

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Our Users

We aim to empower all people to improve their health and fitness, whatever their lifestyle or goals. Our community of users generally falls into three fitness

levels and we design and market our products to them accordingly:

Everyday users represent our largest group of users. These users are looking to incorporate more activity into their daily routines as the primary  means to
improve their overall fitness through everyday activities, such as walking more or taking the stairs instead of the elevator. They are most interested in receiving
feedback on daily activity measures such as steps, distance, calories burned, and active minutes. We primarily market the Fitbit Zip, Fitbit One, Fitbit Flex, Fitbit
Charge, and Fitbit Alta to Everyday users.

Active users exercise regularly to reach their fitness goals through activities such as running, using cardio equipment, and playing sports recreationally. As a
result, these users are often interested in monitoring exercise intensity through heart rate tracking in addition to activity tracking. We primarily market the Fitbit
Charge HR and Fitbit Blaze to Active users.

Performance  users  train  regularly  to  improve  their  performance  and  achieve  their  personal  bests.  These  users  participate  in  endurance  sports  and  fitness
activities  with  higher  intensity  and  longer  duration,  such  as  interval  or  distance  running  and  cycling,  and  thrive  on  personal  improvement  and  competition.
Accordingly, these users are interested in GPS tracking of speed, distance, and exercise routes, in addition to heart rate and daily activity tracking. We primarily
market the Fitbit Surge to Performance users.

What Our Connected Health and Fitness Devices Track

With each successive product offering, we have expanded the features and accuracy of our products and now track the following measures:

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Steps. The cornerstone of our initial product offering, our trackers use accelerometers  and proprietary algorithms that count the number of steps taken
throughout their day.

Calories  burned.  Our  users  can  estimate  the  amount  of  calories  burned  throughout  the  day  based  on  several  methods  depending  on  the  tracker.  We
believe  our  more  advanced  devices  that  use  our  PurePulse  heart  rate  tracking  technology  provide  a  more  accurate  estimate  of  calorie  burn  than  non-
PurePulse based products.

Distance traveled. Our users can track the distance they have traveled throughout the day as a function of the number of steps they have taken throughout
the day or through built-in GPS, depending upon the tracker.

• Heart rate. On trackers that are outfitted with our proprietary PurePulse technology, our users are able to automatically and continuously track their heart
rate during everyday activity and exercise. Our PurePulse technology uses wrist-based optical LEDs, which measures heart rate using light reflection. We
believe our PurePulse technology makes heart rate relevant as a means to more accurately measure calorie burn, maintain intensity during exercise, and
train more effectively  by using heart  rate zones. Additionally,  our heart rate tracking  technology can conveniently  provide our users with their resting
heart rate, which is a widely used indicator of cardiovascular fitness and conditioning.

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Floors climbed. Using a built-in altimeter sensor, our users are able to track flights of stairs climbed, which encourages users to take the stairs instead of
using an escalator or elevator. Floors climbed are tracked by all trackers except Fitbit Zip and Fitbit Alta.

Sleep  duration  and  quality.  Users  can  track  their  sleep  duration  and  quality  on  all  trackers,  except  Fitbit  Zip,  including  restless  and  awake  episodes
throughout the night. Most trackers allow users to track this data automatically.

Active minutes. Our trackers detect the number of minutes our users are more active.

GPS-based tracking. Our  Fitbit  Surge  allows  our  users  to  track  their  speed,  distance,  and  exercise  routes  using  the  GPS capability  integrated  into  the
device during activities such as running, cycling, hiking, and walking. For those without Fitbit Surge, our mobile apps provide GPS tracking using the
phone’s GPS capability. Fitbit Blaze allows users to connect to their smartphones’ GPS capabilities.

SmartTrack. SmartTrack automatically recognizes continuous movement when users wear Fitbit Alta, Fitbit Charge HR, Fitbit Blaze, or Fitbit Surge. It
identifies the type of activity and records it in the Fitbit app along with an exercise summary,

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including  duration,  calories  burned  and  heart  rate  stats.  SmartTrack  is  capable  of  identifying  a  wide  variety  of  activities,  including  elliptical,  outdoor
biking, running, walking, and general categories of aerobic workouts and sports.

• Weight,  body  fat,  and  BMI.  Our  Aria  Wi-Fi  connected  scale  allows  users  to  track  weight,  BMI,  lean  mass,  and  body  fat  percentage  separately  and

privately for up to eight users, helping individuals to track progress towards and achieve their body composition goals.

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Caloric intake. Through our mobile apps, we provide a database with more than 300,000 specific food items that can be searched and tracked. Users can
log food consumption and set calorie budgets based on their caloric intake and daily activity to achieve a desired weight goal.

Our Devices

We believe everyone’s approach to fitness is different, so we have created products with a wide variety of styles, sizes, features, and price points.

Fitbit Zip is our entry-level wireless activity tracker for Everyday users that allows them to track the most important daily activity statistics such as steps,
distance, calories burned, and active minutes. As a clippable tracker, Fitbit Zip can be worn discreetly in a pocket or on a belt. We offer the Fitbit Zip in five colors
with a replaceable watch battery that lasts up to six months. Fitbit Zip has a U.S. MSRP of $59.95.

Fitbit One is a more advanced clippable wireless tracker for Everyday users that tracks floors climbed and sleep in addition to daily steps, distance, calories
burned, and active minutes. Fitbit One also has a silent alarm that gently vibrates to wake users at a desired time. Fitbit One is available in two colors and offers a
rechargeable battery that lasts ten to fourteen days. Fitbit One has a U.S. MSRP of $99.95.

Fitbit Flex is our first wristband-style tracker, with a sleek and stylish design intended for Everyday users. Fitbit Flex tracks steps, distance, calories burned,
active minutes, and sleep. Fitbit Flex also has a silent alarm. Fitbit Flex features LED lights to show users’ progress towards their primary daily goal. We also offer
users the ability to change wristbands for different colors to match their mood or personal style. Fitbit Flex is available in ten colors and its rechargeable battery
lasts up to five days. Fitbit Flex has a U.S. MSRP of $99.95.

Fitbit Charge is our activity and sleep wristband for Everyday users that we began selling in October 2014. It tracks steps, distance, calories burned, active
minutes, floors climbed, and sleep. Fitbit Charge features a bright OLED display that shows users’ daily activity and time of day, as well as incoming caller ID
notifications when the device is paired with the user’s phone. Fitbit Charge tracks sleep automatically and offers a silent wake alarm. Fitbit Charge is available in
four colors and three sizes and is powered by a rechargeable battery that lasts seven to ten days. Fitbit Charge has a U.S. MSRP of $129.95.

Fitbit Alta is our slim, sleek, and customizable wristband for Everyday users that we announced in February 2016. Fitbit Alta offers call, text, and calendar
notifications when paired with the user’s phone and SmartTrack automatic exercise recognition. It also features reminders to move throughout the day. It measures
daily activities such as steps, distance, calories burned, active minutes, and automatically tracks sleep at night. Fitbit Alta can be personalized with interchangeable
accessory bands and features a vibrant OLED display. Fitbit Alta is available in four colors and three sizes, and uses a rechargeable battery that lasts up to five
days. Fitbit Alta has a U.S. MSRP of $129.95.

Fitbit Charge HR is a wireless heart rate and activity wristband for Active users that we began selling in December 2014. Fitbit Charge HR offers all the
features available on the Fitbit Charge and also includes our proprietary PurePulse heart rate tracking technology and SmartTrack automatic exercise recognition.
Fitbit Charge HR is available in five colors and two sizes, and uses a rechargeable battery that lasts up to five days. Fitbit Charge HR has a U.S. MSRP of $149.95.

Fitbit Blaze is our smart fitness watch for Active users that we announced in January 2016. It combines features of a smartwatch, heart rate tracker, and
activity  tracker.  It  includes  features  such as FitStar  on-screen  workouts, connected  GPS through a user’s  smartphone’s  GPS, PurePulse  heart  rate  tracking,  and
SmartTrack  automatic  exercise  recognition.  It  provides  multi-sport  functionality,  tracks  outdoor  cycling  activity,  provides  run  cues,  includes  a  stop  watch  and
timer, and is also designed with advanced smartwatch features, including text and call notifications and music control. Like our other trackers, it measures daily
activities  such  as  steps,  distance,  calories  burned,  floors  climbed,  and  active  minutes  and  automatically  tracks  sleep  at  night.  Fitbit  Blaze  also  features  a  slim
design, easily interchangeable bands and frames, and a color touchscreen. Fitbit Blaze is available in three colors and three sizes, and uses a rechargeable battery
that lasts up to five days. Fitbit Blaze has a U.S. MSRP of $199.95.

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Fitbit Surge is our fitness “super watch” for Performance users that we began selling in December 2014. It combines features of a GPS watch, heart rate
tracker, activity tracker, and smartwatch. On its touch screen LCD display, Fitbit Surge displays real-time statistics from its built-in GPS tracker such as speed,
distance, and exercise routes. Fitbit Surge incorporates our PurePulse heart rate technology and SmartTrack automatic exercise recognition. It provides multi-sport
functionality,  tracks  outdoor  cycling  activity,  provides  run  cues,  includes  a  stop  watch  and  timer,  and  is  also  designed  with  advanced  smartwatch  features,
including text and call notifications and music control. Like our other trackers, it measures daily activities such as steps, distance, calories burned, floors climbed,
and active minutes and automatically tracks sleep at night. Fitbit Surge is available in three colors and three sizes and incorporates a rechargeable battery that lasts
up to seven days. Fitbit Surge has a U.S. MRSP of $249.95.

Aria is our Wi-Fi connected scale that tracks weight, body fat percentage, and BMI. Aria identifies users and shows their weight and body fat percentage on
its  easy-to-read  display.  The  device  recognizes  up  to  eight  individual  users  separately  and  privately.  Aria  is  available  in  two  colors  and  runs  on  standard  AA
batteries. Aria has a U.S. MSRP of $129.95.

Fitbit Accessories include bands and frames for Fitbit Blaze, bands for Fitbit Alta, colored bands for Fitbit Flex, colored clips for Fitbit One and Fitbit Zip,
device charging cables, wireless sync dongles, band clasps, sleep bands, and Fitbit apparel. In addition, our partner Tory Burch offers a pendant and wristband
accessory collection for Fitbit Flex and we have announced a Tory Burch accessory collection for Fitbit Alta. These accessories are offered at U.S. MSRPs ranging
from $4.95 to $195.00.

Our Interactive Experience

Fitbit online dashboard and mobile apps. We offer our users a personalized online dashboard and mobile apps that sync automatically with, and display
real-time data from, our connected health and fitness devices. Through these offerings, we provide users with charts and graphs of their progress, deeper analysis of
their activities, and the ability to log caloric intake. Additionally, we motivate users through real-time feedback including notifications, leaderboard and challenge
updates, and virtual badges. Our platform also offers users social features, such as leaderboards and challenges, that allow users to receive and provide support and
engage  in  friendly  competition.  Our  online  dashboard  and  mobile  apps are  available  for free  through the iOS App Store, Google  Play, Windows Store,  and on
Fitbit.com.

Fitbit Premium is our premium membership that serves as a 24/7 virtual personal trainer delivered to users through any web browser. The program features
personalized and dynamic 12 week fitness plans to gradually increase activity levels. It also includes personalized reports and analysis of weekly data accompanied
by recommended health and fitness targets and comparisons against peer benchmarks for weight, activity, and sleep. Fitbit Premium is offered on a subscription
basis for U.S. $49.99 per year.

FitStar.  In  March  2015,  we  acquired  FitStar,  a  provider  of  interactive  video-based  exercise  experiences  on  mobile  devices  and  computers  that  utilize
proprietary  algorithms  to  adjust  and  customize  workouts  for  individual  users  based  on  data  gathered  during  their  workouts.  Through  our  FitStar  offerings,  we
provide  exercise  programs  through  personal  trainer  and  yoga  apps  that  continuously  adjust  to  our  users  based  on  feedback  throughout  the  workout.  FitStar  is
offered monthly for U.S. $7.99 or on an annual subscription basis for U.S. $39.99 per year.

Compatibility and Wireless Syncing

In order to reach the widest set of users and facilitate a strong social experience on our platform, we focus on ensuring that our devices are compatible with a

broad range of mobile devices and operating systems.

Currently, our users can sync their Fitbit devices with, and use their online dashboard on, over 200 mobile devices including iOS, Android, and Windows

Phone operating systems. Additionally, our users can access their online dashboard through a web browser on any smartphone, tablet, PC, or Mac.

Our connected health and fitness trackers wirelessly sync with our online dashboard and mobile apps through Bluetooth low energy technology. This power
efficient technology enables our devices to sync with our mobile apps automatically, allowing us to provide users with real-time feedback and notifications. For
syncing our fitness trackers with computers, we include a Bluetooth low energy wireless sync dongle with each fitness tracker that plugs into any computer’s USB
port. Our Aria Wi-Fi connected scale syncs data wirelessly and automatically with users’ computers through their home Wi-Fi network. The combination of our
cross-platform  compatibility  and  wireless  syncing  capabilities  provides  our  users  with  a  seamless  connected  health  and  fitness  experience  in  the  market  and
differentiates us from our competitors, which may only sync to a single mobile operating system, such as iOS, or to a more limited number of Android mobile
devices, or not to computers at all.

Our Commitment to Privacy

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We take privacy seriously and offer our users high levels of privacy and security. We are committed to respecting our users’ privacy, letting our users decide

how their information is used and shared, and keeping their data safe.

We have developed our data collection and use practices in accordance with the Fair Information Practice Principles, more commonly known as FIPPs. We

are committed to the following privacy principles as outlined in our privacy policy:

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•

•

Limited Collection. We only collect data that is useful to improving our products, services, and user experience.

Transparent and Easy to Understand Policies. We are transparent about our data practices and explain them in clear language.

No Unexpected Uses. We never sell user data or use it other than as described in our privacy policy.

Clear Notice and Consent. We only share personally identifiable data with third parties, including employers, when our users consent to the sharing and
under the limited circumstances outlined in our privacy policy where users’ personally identifiable data can be shared without specific consent, such as
our receipt of search warrants or subpoenas from law enforcement agencies or in response to a validly issued legal process in a civil litigation matter. We
do not currently share information such as heart rate data or geolocation data with employers under our corporate wellness offerings and do not intend to
share such data in the future without specific user consent.

Prioritize Security. We take the security of our users’ data seriously. We use a combination of technical and administrative security controls to maintain
the security of user data.

Our platform enables users to share information from Fitbit on an opt-in basis with friends, family, and other parties. Users may link their Fitbit accounts to
third-party  apps,  send  status  updates  on  social  networks,  such  as  Facebook  and  Twitter,  or  share  certain  data  with  employers  as  part  of  a  corporate  wellness
program. We allow our users to revoke their consent to share data with third parties at any time using their Fitbit account settings. If users choose to share their
data with a third party, the data is governed by the privacy policy of the third party.

Research and Development

We are passionate about developing innovative products and services that empower our users to reach their health and fitness goals. We believe our future
success depends on our ability to develop new products and features that expand the versatility and performance of our existing platform and we plan to continue to
invest significant resources to enhance performance, functionality, and convenience and style for our users.

Our global research and development team supports the design and development of our connected health and fitness devices, proprietary sensors, firmware,
data  algorithms,  and  online  dashboard  and  mobile  apps.  The  team  is  comprised  of  dedicated  research  employees,  electrical  engineers,  mechanical  engineers,
firmware  engineers,  site  operations  engineers,  and  mobile  app  developers.  Our  research  and  development  team  is  primarily  based  at  our  headquarters  in  San
Francisco, California as well as several other worldwide locations.

Our research and development expenses were $150.0 million, $54.2 million, and $27.9 million, for 2015, 2014, and 2013, respectively.

Manufacturing, Logistics and Fulfillment

We outsource the manufacturing of our products to several contract manufacturers, including Flextronics which is our primary contract manufacturer. These
contract manufacturers produce our products in their facilities located in Asia. The components used in our products are sourced either directly by us or on our
behalf  by  our  contract  manufacturers  from  a  variety  of  component  suppliers  selected  by  us  and  located  worldwide.  Our  operations  employees  coordinate  our
relationships with our contract manufacturers  and component suppliers. We believe that using outsourced manufacturing enables greater scale and flexibility  at
lower  costs  than  establishing  our  own  manufacturing  facilities.  We  evaluate  on  an  ongoing  basis  our  current  contract  manufacturers  and  component  suppliers,
including, whether or not to utilize new or alternative contract manufacturers or component suppliers.

Under  our  agreement  with  Flextronics,  Flextronics  manufactures  certain  of  our  products  using  design  specifications,  quality  assurance  programs,  and
standards that we establish. We pay for and own all tooling and other equipment specifically required to manufacture our products and have purchase commitments
based on our purchase orders and demand forecasts for certain amounts of finished goods, works-in-progress, and components purchased in order to support such
purchase orders and forecasts. The

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agreement has an initial term of one-year that ends in March 2016, and automatically renews for successive one-year terms unless either party provides at least 90
days prior written notice. We expect for the agreement to be renewed in March 2016 for a one-year term. We may terminate for convenience upon providing at
least 90 days prior written notice and Flextronics may terminate for convenience upon providing at least 180 days prior written notice.

We work with third-party fulfillment partners that deliver our products from multiple locations worldwide, which allows us to reduce order fulfillment time,

reduce shipping costs, and improve inventory flexibility.

Sales Channels and Customers

We sell our products through three primary channels:

Retail channel. We offer our products in over 50,000 retail stores and in 63 countries. We focus on building close relationships with our retailers, working
with them to merchandise our products in a compelling manner both in-store and on their e-Commerce sites, promote our products through their marketing efforts,
and educate their sales forces about our products.

Consumer electronics and specialty retailers. Our products are sold by retailers with a large domestic and international presence such as Best Buy.
e-Commerce retailers. Our products are sold on Amazon.com, in addition to e-Commerce sites of our retailers.

•
•
• Mass merchant , department store, and club retailers. Our products are sold by large retailers, including Costco, Macy’s, and Walmart.
•

Sporting goods and outdoors retailers. Our products are sold by sporting goods and outdoors retailers, including Dick’s Sporting Goods, REI, and The
Sports Authority.

• Wireless carriers. Our products are sold by wireless carriers, including AT&T, Sprint, and Verizon.

Consumer  direct  channel.  We  sell  our  full  line  of  products  directly  to  consumers  in  the  United  States  and  other  countries  through  our  online  store  at

Fitbit.com. We drive consumers to our website through online and offline advertising as well as marketing promotions.

Corporate  wellness  channel.  We  offer  products  and  services  to  employers  looking  to  enhance  their  employee  wellness  programs.  We  sell  our  corporate
wellness offering directly to employers or through partners, such as wellness program providers and insurance companies. Through our corporate wellness offering
employers can purchase our products at quantity discounts for their employees. We also offer a range of other services to maximize wellness program success, such
as  easy  employee  onboarding,  an  engaging  employee  leaderboard,  real-time  group  reporting  for  company  administrators,  and  employee  insight  into  progress
towards program goals. We can also integrate with our partners’ existing wellness programs.

Marketing and Advertising

Our marketing and advertising programs are focused on building global brand awareness, increasing product adoption, and driving sales. Our marketing and
advertising efforts target a wide range of consumers and leverage traditional advertising methods (including television, cinema, and print magazines), sponsorships
and public relations, digital marketing, channel marketing, and endorsements by professional athletes and celebrities.

Our  in-store  merchandising  strategy  focuses  on  our  point  of  purchase,  or  POP  displays.  We  provide  retailers  with  freestanding,  in-line,  and  endcap  POP
displays of varying sizes. These displays communicate our marketing messages, present our products and their features and, in many cases, allow consumers to try
on our devices and view an interactive app that enables them to learn more about our products.

Intellectual Property

Intellectual property is an important aspect of our business, and we seek protection for our intellectual property as appropriate. We rely upon a combination
of  patent,  copyright,  trade  secret,  and  trademark  laws  and  contractual  restrictions,  such  as  confidentiality  agreements  and  licenses,  to  establish  and  protect  our
proprietary rights.

As the leader in the fast-growing market for connected health and fitness devices, we have developed a significant patent portfolio to protect certain elements
of  our  proprietary  technology.  As  of  December  31,  2015,  we  had  128  issued  patents  and  151  patent  applications  pending  in  the  United  States.  We  continually
review  our  development  efforts  to  assess  the  existence  and  patentability  of  new  intellectual  property.  We  pursue  the  registration  of  our  domain  names  and
trademarks and service marks in the United States and in certain locations outside the United States. To protect our brand, as of December 31, 2015, we had an
international trademark portfolio comprised of 108 registered trademarks and 96 trademark applications pending in 70 countries.

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Competition

The market for connected health and fitness devices is both evolving and competitive. The connected health and fitness devices category has a multitude of
participants including specialized consumer electronics companies such as Garmin, Jawbone, and Misfit, traditional health and fitness companies such as adidas
and  Under  Armour,  and  traditional  watch  companies  such  as  Fossil  and  Movado.  In  addition,  many  large,  broad-based  consumer  electronics  companies  either
compete  in  our  market  or  adjacent  markets  or  have  announced  plans  to  do  so,  including  Apple,  Google,  LG,  Microsoft,  and  Samsung.  For  example,  Apple
introduced  the  Apple  Watch  smartwatch  in  2015,  with  broad-based  functionalities,  including  some  health  and  fitness  tracking  capabilities,  and  has  sold  a
significant volume of its smartwatches since introduction. We also face competition from manufacturers of lower-cost devices, such as Xiaomi and its Mi Band
device. In addition, we compete with a wide range of stand-alone health and fitness-related mobile apps that can be purchased or downloaded through mobile app
stores.

The principal competitive factors in our market include:

•
•
•
•
•
•

brand awareness and focus;
breadth of product offerings;
battery life, sensor technology, and tracking features;
online and mobile app experience;
strength of sales and marketing efforts; and
distribution strategy.

We believe we compete favorably with our competitors on the basis of these factors as a result of our leading market position and global brand, advanced
and proprietary sensor technologies, software-driven online dashboard and mobile apps, our motivational and social tools, and our premium software offerings. By
offering  a  broad  range  of  products  spanning  styles  and  affordable  price  points  and  cross-platform  compatibility,  we  empower  a  wide  range  of  individuals  with
different  fitness  routines  and  goals  that  are  difficult  for  other  competitors  to  address.  Moreover,  our  singular  focus  on  building  a  connected  health  and  fitness
platform, coupled with a leading market share, has led to our brand becoming synonymous with the connected health and fitness category. This singular focus on
health and fitness has driven us to dedicate significant resources to developing proprietary sensors, algorithms, and software to ensure that our products, which are
specifically oriented towards health and fitness, have accurate measurements, insightful analytics, compact sizes, durability, and long battery lives. We believe this
singular focus allows us to compete favorably with companies that have introduced or have announced plans to introduce devices with broad-based functionalities,
including health and fitness tracking capabilities, which are not necessarily optimized for health and fitness usage. Furthermore, our platform and open API have
together enabled us to establish a large and growing health and fitness ecosystem that not only provides additional value to our existing users, but also extends our
reach  to  potential  new  users.  This  broad  compatibility,  combined  with  our  market-leading  position,  has  enabled  us  to  attract  what  we  believe  is  the  largest
community of connected health and fitness device users, making it more likely that users can connect with friends and family and creating positive network effects
that reinforce our growth.

Employees

As of December 31, 2015, we had 1,101 global employees. We have not experienced any work stoppages. We consider our relationship with our employees

to be good.

Corporate Information

We were incorporated in Delaware in March 2007 as Healthy Metrics Research, Inc. We changed our name to Fitbit, Inc. in October 2007. We completed
our  initial  public  offering  in  June  2015  and  our  Class  A  common  stock  is  listed  on  The  New  York  Stock  Exchange  under  the  symbol  “FIT.”  Our  principal
executive  offices  are  located  at  405  Howard  Street,  San  Francisco,  California  94105,  and  our  telephone  number  is  (415)  513-1000.  Our  website  address  is
www.fitbit.com  and  our  investor  relations  website  address  is  http://investor.fitbit.com.  The  information  on,  or  that  can  be  accessed  through,  our  website  is  not
incorporated by reference into this Annual Report on Form 10-K. Fitbit, the Fitbit logo, FitStar, Fitbit Zip, Fitbit Alta, Fitbit Blaze, Fitbit One, Fitbit Flex, Fitbit
Charge, Fitbit Charge HR, Fitbit Surge, Aria, PurePulse, SmartTrack, and our other registered or common law trade names, trademarks, or service marks appearing
in this  Annual Report on Form 10-K are  our intellectual  property.  This Annual Report on Form 10-K contains additional  trade names, trademarks,  and service
marks of other companies that are the property of their respective owners.

Through a link on our website, we make available the following filings as soon as reasonably practicable after they are electronically filed with or furnished

to the Securities and Exchange Commission, or SEC: our Annual Report on Form 10-K,

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Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and any amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the
Securities Exchange Act of 1934, as amended, or Exchange Act. All such filings are available free of charge. The public may also read and copy any materials we
file with the SEC at the SEC’s Public Reference Room at 100 F Street, NE, Washington DC, 20549. The public may obtain information on the operation of the
Public Reference Room by calling the SEC at 1-800-SEC-0330. The SEC also maintains a website at www.sec.gov that contains all reports that we file or furnish
with the SEC electronically.

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Item 1A. Risk Factors

An  investment  in  our  Class  A  common  stock  involves  a  high  degree  of  risk.  You  should  carefully  consider  the  risks  and  uncertainties  described  below,
together with all of the other information in this Annual Report on Form 10-K, including the section titled “Management’s Discussion and Analysis of Financial
Condition and Results of Operations” and our consolidated  financial  statements  and related notes, before making a decision to invest  in our Class A common
stock. Our business, operating results, financial condition, or prospects could be materially and adversely affected by any of these risks and uncertainties. If any of
these risks actually occurs, the trading price of our Class A common stock could decline and you might lose all or part of your investment. Our business, operating
results, financial performance, or prospects could also be harmed by risks and uncertainties  not currently known to us or that we currently  do not believe  are
material.

Risks Related to Our Business

We  operate  in  a  highly  competitive  market.  If  we  do  not  compete  effectively,  our  prospects,  operating  results,  and  financial  condition  could  be  adversely
affected.

The connected health and fitness devices market is highly competitive, with companies offering a variety of competitive products and services. We expect
competition in our market to intensify in the future as new and existing competitors introduce new or enhanced products and services that are potentially more
competitive  than  our  products  and  services.  The  connected  health  and  fitness  devices  market  has  a  multitude  of  participants,  including  specialized  consumer
electronics companies, such as Garmin, Jawbone, and Misfit, traditional health and fitness companies, such as adidas and Under Armour, and traditional watch
companies such as Fossil and Movado. In addition, many large, broad-based consumer electronics companies either compete in our market or adjacent markets or
have announced plans to do so, including Apple, Google, LG, Microsoft, and Samsung. For example, Apple introduced the Apple Watch smartwatch in 2015, with
broad-based functionalities, including some health and fitness tracking capabilities, and has sold a significant volume of its smartwatches since introduction. We
may also face competition from manufacturers of lower-cost devices, such as Xiaomi and its Mi Band device. In addition, we compete with a wide range of stand-
alone health and fitness-related mobile apps that can be purchased or downloaded through mobile app stores. We believe many of our competitors and potential
competitors have significant competitive advantages, including longer operating histories, ability to leverage their sales efforts and marketing expenditures across a
broader  portfolio  of  products  and  services,  larger  and  broader  customer  bases,  more  established  relationships  with  a  larger  number  of  suppliers,  contract
manufacturers,  and  channel  partners,  greater  brand  recognition,  ability  to  leverage  app  stores  which  they  may  operate,  and  greater  financial,  research  and
development, marketing, distribution, and other resources than we do. Our competitors and potential competitors may also be able to develop products or services
that are equal or superior to ours, achieve greater market acceptance of their products and services, and increase sales by utilizing different distribution channels
than we do. Some of our competitors may aggressively discount their products and services in order to gain market share, which could result in pricing pressures,
reduced  profit  margins,  lost  market  share,  or  a  failure  to  grow  market  share  for  us.  If  we  are  not  able  to  compete  effectively  against  our  current  or  potential
competitors, our prospects, operating results, and financial condition could be adversely affected.

If we are unable to anticipate and satisfy consumer preferences in a timely manner, our business may be adversely affected.

Our success depends on our ability to anticipate and satisfy consumer preferences in a timely manner. All of our products are subject to changing consumer
preferences that cannot be predicted with certainty. Consumers may decide not to purchase our products and services as their preferences could shift rapidly to
different types of connected health and fitness devices or away from these types of products and services altogether, and our future success depends in part on our
ability  to  anticipate  and  respond  to  shifts  in  consumer  preferences.  In  addition,  our  newer  products  and  services  that  have  additional  features  or  new  product
designs, such as the Fitbit Charge, Fitbit Charge HR, Fitbit Surge, Fitbit Alta, and Fitbit Blaze may have higher prices than many of our earlier products and the
products of some of our competitors, which may not appeal to consumers or only appeal to a smaller subset of consumers. It is also possible that competitors could
introduce new products and services that negatively impact consumer preference for our connected health and fitness devices, which could result in decreased sales
of our products and services and a loss in market share. Accordingly, if we fail to anticipate and satisfy consumer preferences in a timely manner, our business may
be adversely affected.

If  we  are  unable  to  successfully  develop  and  timely  introduce  new  products  and  services  or  enhance  existing  products  and  services,  our  business  may  be
adversely affected.

We must continually develop and introduce new products and services and improve and enhance our existing products and services to maintain or increase

our sales. The success of new or enhanced products and services may depend on a number of

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factors including, anticipating and effectively addressing consumer preferences and demand, the success of our sales and marketing efforts, timely and successful
research  and  development,  effective  forecasting  and  management  of  product  demand,  purchase  commitments,  and  inventory  levels,  effective  management  of
manufacturing and supply costs, and the quality of or defects in our products.

The development of our products and services is complex and costly, and we typically have several products and services in development at the same time.
Given the complexity, we occasionally have experienced, and could experience in the future, delays in completing the development and introduction of new and
enhanced products and services. Problems in the design or quality of our products or services may also have an adverse effect on our brand, business, financial
condition,  and  operating  results.  Unanticipated  problems  in  developing  products  and  services  could  also  divert  substantial  research  and  development  resources,
which may impair our ability to develop new products and services and enhancements of existing products and services, and could substantially increase our costs.
If new or enhanced product and service introductions are delayed or not successful, we may not be able to achieve an acceptable return, if any, on our research and
development efforts, and our business may be adversely affected.

Our  operating  results  could  be  materially  harmed  if  we  are  unable  to  accurately  forecast  consumer  demand  for  our  products  and  services  and  adequately
manage our inventory.

To ensure adequate inventory supply, we must forecast inventory needs and expenses and place orders sufficiently in advance with our suppliers and contract
manufacturers based on our estimates of future demand for particular products. Our ability to accurately forecast demand for our products and services could be
affected  by many factors,  including  an increase  or  decrease  in customer  demand  for our  products  and services  or for products  and services  of  our competitors,
product  and  service  introductions  by  competitors,  unanticipated  changes  in  general  market  conditions,  and  the  weakening  of  economic  conditions  or  consumer
confidence in future economic conditions. Due to the recent rapid growth in demand for our connected health and fitness devices, and particularly in connection
with  new  product  introductions,  we  face  challenges  acquiring  adequate  and  timely  supplies  of  our  products  to  satisfy  the  levels  of  demand,  which  we  believe
negatively  affects  our  revenue.  This  risk  may  be  exacerbated  by  the  fact  that  we  may  not  carry  a  significant  amount  of  inventory,  either  directly  or  with  our
contract manufacturers or logistics providers to satisfy short-term demand increases. If we fail to accurately forecast customer demand, we may experience excess
inventory levels or a shortage of products available for sale.

Inventory levels in excess of customer demand may result in inventory write-downs or write-offs and the sale of excess inventory at discounted prices, which
would  cause  our  gross  margin  to  suffer  and  could  impair  the  strength  of  our  brand.  Conversely,  if  we  underestimate  customer  demand  for  our  products  and
services,  our  contract  manufacturers  may  not  be  able  to  deliver  products  to  meet  our  requirements,  and  this  could  result  in  damage  to  our  brand  and  customer
relationships and adversely affect our revenue and operating results.

Our quarterly operating results or other operating metrics may fluctuate significantly, which could cause the trading price of our Class A common stock to
decline.

Our quarterly operating results and other operating metrics have fluctuated in the past and may continue to fluctuate from quarter to quarter. We expect that

this trend will continue as a result of a number of factors, many of which are outside of our control and may be difficult to predict, including:

•

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•
•
•
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the level of demand for our connected health and fitness devices and our ability to maintain or increase the size and engagement of our community of
users;
the timing and success of new product and service introductions by us or our competitors or any other change in the competitive landscape of our market;
the mix of products sold in a quarter;
the continued market acceptance of, and the growth of the market for, connected health and fitness devices;
pricing pressure as a result of competition or otherwise;
delays or disruptions in our supply, manufacturing, or distribution chain;
errors in our forecasting of the demand for our products, which could lead to lower revenue or increased costs, or both;
seasonal buying patterns of consumers;
increases  in  and  timing  of  sales  and  marketing  and  other  operating  expenses  that  we  may  incur  to  grow  and  expand  our  operations  and  to  remain
competitive;
insolvency, credit, or other difficulties faced by our distributors and retailers, affecting their ability to purchase or pay for our products;
insolvency,  credit,  or  other  difficulties  confronting  our  suppliers,  contract  manufacturers,  or  logistics  providers  leading  to  disruptions  in  our  supply  or
distribution chain;

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•

levels of product returns, stock rotation, and price protection rights;
adverse litigation judgments, settlements, or other litigation-related costs;
changes in the legislative or regulatory environment, such as with respect to privacy, information security, health and wellness devices, consumer product
safety, and advertising;
product recalls, regulatory proceedings, or other adverse publicity about our products;
fluctuations in foreign exchange rates;
costs related to the acquisition of businesses, talent, technologies, or intellectual property, including potentially significant amortization costs and possible
write-downs; and
general economic conditions in either domestic or international markets.

Any one of the factors above or the cumulative effect of some of the factors above may result in significant fluctuations in our operating results.

The variability and unpredictability of our quarterly operating results or other operating metrics could result in our failure to meet our expectations or those
of any analysts that cover us or investors with respect to revenue or other operating results for a particular period. If we fail to meet or exceed such expectations for
these or any other reasons, the market price of our Class A common stock could fall substantially, and we could face costly lawsuits, including securities class
action suits.

We  rely  on  a  limited  number  of  suppliers,  contract  manufacturers,  and  logistics  providers,  and  each  of  our  products  is  manufactured  by  a  single  contract
manufacturer.

We rely on a limited number of suppliers, contract manufacturers, and logistics providers. In particular, we use contract manufacturers located in Asia, and
each of our products is manufactured by a single contract manufacturer. Flextronics is our primary contract manufacturer and is currently the sole manufacturer of
the majority of our devices. Our reliance on sole contract manufacturers for each of our products increases our risks since we do not currently have any alternative
or replacement manufacturers. In the event of an interruption from a contract manufacturer, we may not be able to develop alternate or secondary sources without
incurring  material  additional  costs  and  substantial  delays.  Furthermore,  these  risks  could  materially  and  adversely  affect  our  business  if  one  of  our  contract
manufacturers is impacted by a natural disaster or other interruption at a particular location because each of our contract manufacturers produces our products from
a single location. In addition, some of our suppliers, contract manufacturers, and logistics providers may have more established relationships with our competitors
and potential competitors, and as a result of such relationships, such suppliers, contract manufacturers, and logistics providers may choose to limit or terminate
their relationship with us.

If we experience significantly increased demand, or if we need to replace an existing supplier, contract manufacturer, or logistics provider, we may be unable
to supplement or replace such supply, contract manufacturing, or logistics capacity on terms that are acceptable to us, which may undermine our ability to deliver
our products to customers in a timely manner. For example, for certain of our products, it may take a significant amount of time to identify a contract manufacturer
that  has  the  capability  and  resources  to  build  the  product  to  our  specifications  in  sufficient  volume.  Identifying  suitable  suppliers,  contract  manufacturers,  and
logistics providers is an extensive process that requires us to become satisfied with their quality control, technical capabilities, responsiveness and service, financial
stability, regulatory compliance, and labor and other ethical practices. Accordingly, a loss of any key supplier, contract manufacturer, or logistics provider could
adversely impact our revenue and operating results.

We  have  limited  control  over  our  suppliers,  contract  manufacturers,  and  logistics  providers,  which  subjects  us  to  significant  risks,  including  the  potential
inability to obtain or produce quality products on a timely basis or in sufficient quantity.

We have limited control over our suppliers, contract manufacturers, and logistics providers, including aspects of their specific manufacturing processes and

their labor, environmental, or other practices, which subjects us to significant risks, including the following:

•
•
•
•
•

•
•

inability to satisfy demand for our products;
reduced control over delivery timing and product reliability;
reduced ability to oversee the manufacturing process and components used in our products;
reduced ability to monitor compliance with our product manufacturing specifications;
reduced ability to develop comprehensive manufacturing specifications that take into account materials shortages, materials substitutions, and variance in
the manufacturing capabilities of our third-party contract manufacturers;
price increases;
the failure of a key supplier, contract manufacturer, or logistics provider to perform its obligations to us for technical, market, or other reasons;

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difficulties in establishing additional contract manufacturing relationships if we experience difficulties with our existing contract manufacturers;
shortages of materials or components;

•
•
• misappropriation of our intellectual property;
•

exposure  to  natural  catastrophes,  political  unrest,  terrorism,  labor  disputes,  and  economic  instability  resulting  in  the  disruption  of  trade  from  foreign
countries in which our products are manufactured;
changes in local economic conditions in countries where our suppliers, contract manufacturers, or logistics providers are located;
the imposition of new laws and regulations, including  those relating to labor conditions, quality and safety standards, imports, duties, taxes, and other
charges on imports, as well as trade restrictions and restrictions on currency exchange or the transfer of funds; and
insufficient warranties and indemnities on components supplied to our contract manufacturers.

•
•

•

If  there  are  defects  in  the  manufacture  of  our  products  by  our  contract  manufacturers,  we  may  face  negative  publicity,  government  investigations,  and

litigation and we may not be fully compensated by our contract manufacturers for any financial or other liability that we suffer as a result.

Because many of the key components in our products come from limited or sole sources of supply, we are susceptible to supply shortages, long lead times for
components, and supply changes, any of which could disrupt our supply chain.

Many of the key components used to manufacture our products come from limited or sole sources of supply. Our contract manufacturers generally purchase
these components on our behalf, subject to certain approved supplier lists, and we do not have any long-term arrangements with our suppliers. We are therefore
subject to the risk of shortages and long lead times in the supply of these components and the risk that our suppliers discontinue or modify components used in our
products. In addition, the lead times associated with certain components are lengthy and preclude rapid changes in quantities and delivery schedules. We have in
the past experienced and may in the future experience component shortages, and the predictability of the availability of these components may be limited. While
component  shortages  have  historically  been  immaterial,  they  could  be  material  in  the  future.  In  the  event  of  a  component  shortage  or  supply  interruption  from
suppliers of these components, we may not be able to develop alternate sources in a timely manner. Developing alternate sources of supply for these components
may be time-consuming, difficult, and costly and we may not be able to source these components on terms that are acceptable to us, or at all, which may undermine
our ability to meet our requirements or to fill our orders in a timely manner. Any interruption or delay in the supply of any of these parts or components, or the
inability to obtain these parts or components from alternate sources at acceptable prices and within a reasonable amount of time, would harm our ability to meet
our  scheduled  product  deliveries  to  our  customers  and  users.  This  could  harm  our  relationships  with  our  channel  partners  and  users  and  could  cause  delays  in
shipment of our products and adversely affect our operating results. In addition, increased component costs could result in lower gross margins. If we are unable to
buy these components in quantities sufficient to meet our requirements on a timely basis, we will not be able to deliver products and services to our customers and
users.

The market for connected health and fitness devices is still in the early stages of growth and if it does not continue to grow, grows more slowly than we expect,
or fails to grow as large as we expect, our business and operating results would be harmed.

The market for connected health and fitness devices is relatively new and unproven, and it is uncertain whether connected health and fitness devices will
sustain  high  levels  of  demand  and  wide  market  acceptance.  Our  success  will  depend  to  a  substantial  extent  on  the  willingness  of  people  to  widely  adopt  these
products and services. In part, adoption of our products and services will depend on the increasing prevalence of connected health and fitness devices as well as
new entrants to the connected health and fitness device market to raise the profile of both the market as a whole and our own platform. Our connected health and
fitness devices have largely been used to measure and track activities such as walking, running, and sleeping. However, they have not been as widely adopted for
other sports, exercise, and activities such as cycling, skiing, and swimming for which other niche products are more often used. Furthermore, some individuals may
be reluctant or unwilling to use connected health and fitness devices because they have concerns regarding the risks associated with data privacy and security. If
the wider public does not perceive the benefits of our connected health and fitness devices or chooses not to adopt them as a result of concerns regarding privacy or
data security or for other reasons, then the market for these products and services may not further develop, it may develop more slowly than we expect, or it may
not achieve the growth potential we expect it to, any of which would adversely affect our operating results. The development and growth of this relatively new
market may also prove to be a short-term trend.

An economic downturn or economic uncertainty may adversely affect consumer discretionary spending and demand for our products and services.

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Our  products  and  services  may  be  considered  discretionary  items  for  consumers.  Factors  affecting  the  level  of  consumer  spending  for  such  discretionary
items include general economic conditions, and other factors, such as consumer confidence in future economic conditions, fears of recession, the availability and
cost of consumer credit, levels of unemployment, and tax rates. As global economic conditions continue to be volatile or economic uncertainty remains, trends in
consumer discretionary spending also remain unpredictable and subject to reductions. Unfavorable economic conditions may lead consumers to delay or reduce
purchases of our products and services and consumer demand for our products and services may not grow as we expect. Our sensitivity to economic cycles and any
related fluctuation in consumer demand for our products and services may have an adverse effect on our operating results and financial condition.

Our current and future products and services may experience quality problems from time to time that can result in adverse publicity, product recalls, litigation,
regulatory proceedings, and warranty claims resulting in significant direct or indirect costs, decreased revenue and operating margin, and harm to our brand.

We sell complex products and services that could contain design and manufacturing defects in their materials, hardware, and firmware. These defects could
include defective materials or components, or “bugs” that can unexpectedly interfere with the products’ intended operations or cause injuries to users. Although we
extensively and rigorously test new and enhanced products and services before their release, there can be no assurance we will be able to detect, prevent, or fix all
defects.

Failure to detect, prevent, or fix defects could result in a variety of consequences including greater number of returns of products than expected from users
and retailers, regulatory proceedings, product recalls, and litigation, which could harm our revenue and operating results. We generally provide a 45-day right of
return for purchases through Fitbit.com and a 12-month warranty on all of our products, except in the European Union, where we provide a two-year warranty on
all of our products. The occurrence of real or perceived quality problems or material defects in our current and future products could expose us to warranty claims
in excess of our current reserves. As of December 31, 2015, our reserves for warranty claims were $40.2 million, or 2% of our revenue for 2015. Moreover, we
offer  limited stock rotation  rights and price  protection to our distributors. If we experience  greater returns from retailers  or users in excess of our reserves,  our
business and operating results could be harmed. In addition, any negative publicity or lawsuits filed against us related to the perceived quality and safety of our
products could also affect our brand and decrease demand for our products and services, and adversely affect our operating results and financial condition.

There have been reports that some users of the Fitbit Flex, Fitbit Charge, Fitbit Charge HR, and Fitbit Surge have experienced skin irritations, which could
result in additional negative publicity or otherwise harm our business. In addition, some of our users have filed personal injury lawsuits against us relating to
the  Fitbit  Zip,  Fitbit  One,  Fitbit  Flex,  Fitbit  Charge,  Fitbit  Charge  HR,  and  Fitbit  Surge  products,  which  could  divert  management’s  attention  from  our
operations and result in substantial legal fees and other costs.

Due to the nature of some of our wearable devices, some users have had in the past and may in the future experience skin irritations or other biocompatibility
issues not uncommon with jewelry or other wearable products that stay in contact with skin for extended periods of time. There have been reports of some users of
Fitbit  Flex,  Fitbit  Charge,  Fitbit  Charge  HR,  and  Fitbit  Surge  experiencing  skin  irritations.  This  negative  publicity  could  harm  sales  of  our  products  and  also
adversely affect our relationships with retailers that sell our products, including causing them to be reluctant to continue to sell our products. In addition, some of
our users have filed personal injury lawsuits against us relating to the Fitbit Zip, Fitbit One, Fitbit Flex, Fitbit Charge, Fitbit Charge HR, and Fitbit Surge products.
While we do not believe that these lawsuits are material, due to the inherent uncertainties of litigation, we cannot accurately predict the ultimate outcome of any
proceedings arising from such claims, and these actions or other third-party claims against us may result in the diversion of our management’s time and attention
from other aspects of our business and may cause us to incur substantial litigation or settlement costs. If large numbers of users experience these problems, we
could  be  subject  to  enforcement  actions  or  the  imposition  of  significant  monetary  fines,  other  penalties,  or  proceedings  by  the  CPSC  or  other  U.S.  or  foreign
regulatory  agencies  and  face  additional  personal  injury  or  class  action  litigation,  any  of  which  could  have  a  material  adverse  impact  on  our  business,  financial
condition, and operating results.

We have in the past, and may in the future, be subject to claims and lawsuits alleging that our products fail to provide accurate measurements and data to our
users.

Our products are used to track and display various information about users’ activities, such as daily steps taken, calories burned, distance traveled, floors
climbed, active minutes, sleep duration and quality, and heart rate and GPS-based information such as speed, distance, and exercise routes. From time to time,
there have been reports and claims made against us alleging that our products do not provide accurate measurements and data to users, including claims asserting
that certain features of our products do not operate as advertised. Such reports and claims have resulted in negative publicity, and, in some cases, have required us
to expend time and resources to defend litigation. For example, in the first quarter of 2016, class action lawsuits were filed against us based upon claims that the
PurePulse heart rate monitoring technology in the Fitbit Charge HR and Fitbit Surge do not consistently

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and  accurately  record  users’  heart  rates.  If  our  products  fail  to  provide  accurate  measurements  and  data  to  users,  or  if  there  are  reports  or  claims  of  inaccurate
measurements, claims of false advertisement, or claims regarding the overall health benefits of our products and services in the future, we may become the subject
of negative publicity, litigation, including class action litigation, regulatory proceedings, and warranty claims, and our brand, operating results, and business could
be harmed.

We may not be able to sustain our revenue growth or profitability in the future.

Our recent revenue growth should not be considered indicative of our future performance. As we grow our business, we expect our revenue growth to slow
in future periods due to a number of reasons, which may include slowing demand for our products and services, increasing competition, a decrease in the growth of
our overall  market,  our failure,  for any reason, to continue  to capitalize  on growth opportunities,  or the maturation  of our business. Due to competitive  pricing
pressures,  new  product  introductions  by  us  or  our  competitors,  or  other  factors,  the  average  selling  price  of  our  products  and  services  may  decrease.  If  we  are
unable to offset any decreases in our average selling price by increasing our sales volumes or by adjusting our product mix, our operating results and financial
condition may be harmed.

While we achieved  profitability  in 2014 and 2015, we have not consistently  achieved  profitability  on a quarterly  or annual  basis. We expect  expenses to
increase  substantially  in  the  near  term,  particularly  as  we  make  significant  investments  in  our  research  and  development  and  sales  and  marketing,  expand  our
operations and infrastructure both domestically and internationally, develop new products and services, and enhance our existing products and services. In addition,
we expect to incur additional significant legal, accounting, and other expenses in connection with operating as a public company. If our revenue does not increase
to offset these increases in our operating expenses, we may not be profitable in future periods.

Our operating margins may decline as a result of increasing product costs and operating expenses.

Our business is subject to significant pressure on pricing and costs caused by many factors, including intense competition, the cost of components used in our
products, labor costs, constrained sourcing capacity, inflationary pressure, pressure from users to reduce the prices we charge for our products and services, and
changes in consumer demand. Costs for the raw materials used in the manufacture of our products are affected by, among other things, energy prices, consumer
demand, fluctuations in commodity prices and currency, and other factors that are generally unpredictable  and beyond our control. Increases in the cost of raw
materials used to manufacture our products or in the cost of labor and other costs of doing business in the United States and internationally could have an adverse
effect on, among other things, the cost of our products, gross margins, operating results, financial condition, and cash flows. Moreover, if we are unable to offset
any decreases in our average selling price by increasing our sales volumes or by adjusting our product mix, our operating results and financial condition may be
harmed.

In addition, we expect expenses to increase substantially in the near term, particularly as we make significant investments in our research and development
and  sales  and  marketing  organizations,  expand  our  operations  and  infrastructure  both  domestically  and  internationally,  develop  new  products  and  services,  and
enhance our existing products and services. In addition, we expect to incur additional significant legal, accounting, and other expenses in connection with operating
as a public company. If our revenue does not increase  to offset these increases  in our operating  expenses, our operating  results and financial  condition may be
harmed.

Our business is affected by seasonality.

Our  business  is  affected  by  general  seasonal  spending  trends  associated  with  holidays.  For  example,  our  fourth  quarter  has  typically  been  our  strongest
quarter in terms of revenue, reflecting our historical strength in sales during the holiday season. We generated approximately 38%, 50%, and 40% of our full year
revenue during the fourth quarters of 2015, 2014, and 2013, respectively. Accordingly, any shortfall in expected fourth quarter revenue would adversely affect our
annual operating results. Furthermore, our rapid growth in recent years may obscure the extent to which seasonality trends have affected our business and may
continue to affect our business. Accordingly, yearly or quarterly comparisons of our operating results may not be useful and our results in any particular period will
not  necessarily  be  indicative  of  the  results  to  be  expected  for  any  future  period.  Seasonality  in  our  business  can  also  be  impacted  by  introductions  of  new  or
enhanced products and services, including the costs associated with such introductions.

Any material disruption of our information technology systems, or those of third-party partners and data center providers could materially damage user and
business partner relationships, and subject us to significant reputational, financial, legal, and operational consequences.

We depend on our information technology systems, as well as those of third parties, to develop new products and services, operate our website, host and
manage our services, store data, process transactions, respond to user inquiries, and manage inventory and our supply chain. Any material disruption or slowdown
of our systems or those of third parties whom we depend upon, including

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a disruption or slowdown caused by our failure to successfully manage significant increases in user volume or successfully upgrade our or their systems, system
failures, or other causes, could cause outages or delays in our services, which could harm our brand and adversely affect our operating results. In addition, such
disruption could cause information, including data related to orders, to be lost or delayed which could—especially if the disruption or slowdown occurred during
the holiday season—result in delays in the delivery of products to stores and users or lost sales, which could reduce demand for our merchandise, harm our brand
and reputation, and cause our revenue to decline. For example, during the peak holiday season in December 2014, we suffered an approximately five-hour outage
of our information systems due to high levels of platform usage, which rendered us unable to process and support new users signing onto our platform during that
time.  Problems  with  our  third-party  data  center  service  providers,  the  telecommunications  network  providers  with  whom  they  contract,  or  with  the  systems  by
which  telecommunications  providers  allocate  capacity  among  their  users  could  adversely  affect  the  experience  of  our  users.  Our  third-party  data  center  service
providers could decide to close their facilities or cease providing us services without adequate notice. Any changes in third-party service levels at our data centers
or any errors, defects, disruptions, or other performance problems with our platform could harm our brand and may damage the data of our users. If changes in
technology  cause  our  information  systems,  or  those  of  third  parties  whom  we  depend  upon,  to  become  obsolete,  or  if  our  or  their  information  systems  are
inadequate to handle our growth, we could lose users and our business and operating results could be adversely affected.

We collect, store, process, and use personal information and other customer data, which subjects us to governmental regulation and other legal obligations
related to privacy, information security, and data protection, and any security breaches or our actual or perceived failure to comply with such legal obligations
could harm our business.

We collect, store, process, and use personal information and other user data, and we rely on third parties that are not directly under our control to do so as
well. Our users’ health and fitness-related data and other highly personal information may include, among other information, names, addresses, phone numbers,
email addresses, payment account information, height, weight, and biometric information such as heart rates, sleeping patterns, GPS-based location, and activity
patterns. Due to the volume and sensitivity of the personal information and data we manage and the nature of our products, the security features of our platform
and information systems are critical. If our security measures, some of which are managed by third parties, are breached or fail, unauthorized persons may be able
to obtain access to or acquire sensitive user data. If we or our third-party service providers, business partners, or third-party apps with which our users choose to
share their Fitbit data were to experience a breach of systems compromising our users’ sensitive data, our brand and reputation could be adversely affected, use of
our  products  and  services  could  decrease,  and  we  could  be  exposed  to  a  risk  of  loss,  litigation,  and  regulatory  proceedings.  Depending  on  the  nature  of  the
information compromised, in the event of a data breach or other unauthorized access to or acquisition of our user data, we may also have obligations to notify users
about the incident  and we may  need to provide  some form of remedy, such as a subscription  to a credit  monitoring  service,  for the individuals  affected  by the
incident.  A  growing  number  of  legislative  and  regulatory  bodies  have  adopted  consumer  notification  requirements  in  the  event  of  unauthorized  access  to  or
acquisition of certain types of personal data. Such breach notification laws continue to evolve and may be inconsistent from one jurisdiction to another. Complying
with these obligations could cause us to incur substantial costs and could increase negative publicity surrounding any incident that compromises user data. Our
users  may  also  accidentally  disclose  or  lose  control  of  their  passwords,  creating  the  perception  that  our  systems  are  not  secure  against  third-party  access.
Additionally, if third-party service providers that host user data on our behalf experience security breaches or violate applicable laws, agreements, or our policies,
such  events  may  also  put  our  users’  information  at  risk  and  could  in  turn  have  an  adverse  effect  on  our  business.  While  we  maintain  insurance  coverage  that,
subject to policy terms and conditions and a significant self-insured retention, is designed to address certain aspects of cyber risks, such insurance coverage may be
insufficient to cover all losses or all types of claims that may arise in the event we experience a security breach.

Our success depends on our ability to maintain our brand. If events occur that damage our brand, our business and financial results may be harmed.

Our success depends on our ability to maintain the value of the “Fitbit” brand. The “Fitbit” name is integral to our business as well as to the implementation
of  our  strategies  for  expanding  our  business.  Maintaining,  promoting,  and  positioning  our  brand  will  depend  largely  on  the  success  of  our  marketing  and
merchandising efforts, our ability to provide consistent, high quality products and services, and our ability to successfully secure, maintain, and defend our rights to
use the “Fitbit” mark and other trademarks important to our brand. Our brand could be harmed if we fail to achieve these objectives or if our public image or brand
were to be tarnished by negative publicity. For example, there has been media coverage of some of the users of our products reporting skin irritation, as well as
personal  injury  lawsuits  filed  against  us  relating  to  the  Fitbit  Zip,  Fitbit  One,  Fitbit  Flex,  Fitbit  Charge,  Fitbit  Charge  HR,  and  Fitbit  Surge  products.  We  also
believe that our reputation and brand may be harmed if we fail to maintain a consistently high level of customer service. In addition, we believe the popularity of
the “Fitbit” brand makes it a target for counterfeiting or imitation, with third parties attempting to sell counterfeit products that attempt to replicate our products.

In  addition,  our  products  may  be  diverted  from  our  authorized  retailers  and  distributors  and  sold  on  the  “gray  market.”  Gray  market  products  result  in

shadow inventory that is not visible to us, thus making it difficult to forecast demand accurately. Also,

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when gray market products enter the market, we and our channel partners compete with often heavily discounted gray market products, which adversely affects
demand for  our products and negatively  impacts  our margins.  In addition,  our inability  to control gray market  activities  could result in user satisfaction  issues,
which may have a negative impact on our brand. When products are purchased outside our authorized retailers and distributors, there is a risk that our customers
are buying substandard products, including products that may have been altered, mishandled, or damaged, or used products represented as new.

Any  occurrence  of  counterfeiting,  imitation,  or  confusion  with  our  brand  could  adversely  affect  our  reputation,  place  negative  pricing  pressure  on  our
products, reduce sales of our products, and impair the value of our brand. Maintaining, protecting, and enhancing our brand may require us to make substantial
investments, and these investments may not be successful. If we fail to successfully maintain, promote, and position our brand and protect our reputation or if we
incur significant expenses in this effort, our business, financial condition and operating results may be adversely affected.

The failure to effectively manage the introduction of new or enhanced products may adversely affect our operating results.

We must successfully manage introductions of new or enhanced products. Introductions of new or enhanced products could adversely impact the sales of our
existing products to retailers and consumers. For instance, retailers often purchase less of our existing products in advance of new product launches. Furthermore,
we may experience  greater  returns  from  retailers  or  users  of existing  products  or  retailers  may  be  granted  stock rotation  rights  and  price  protection.  Moreover,
consumers  may decide to purchase  new or enhanced  products instead of existing  products.  This could lead  to excess inventory  and discounting of our existing
products. In addition, we have historically incurred higher levels of sales and marketing expenses accompanying each product introduction. Accordingly, if we fail
to effectively manage introductions of new or enhanced products, our operating results could be harmed.

Cybersecurity risks could adversely affect our business and disrupt our operations.

The threats to network and data security are increasingly diverse and sophisticated. Despite our efforts and processes to prevent breaches, our devices, as
well as our servers, computer systems, and those of third parties that we use in our operations are vulnerable to cybersecurity risks, including cyber attacks such as
viruses  and  worms,  phishing  attacks,  denial-of-service  attacks,  physical  or  electronic  break-ins,  employee  theft  or  misuse,  and  similar  disruptions  from
unauthorized tampering with our servers and computer systems or those of third parties that we use in our operations, which could lead to interruptions, delays, loss
of  critical  data,  unauthorized  access  to  user  data,  and  loss  of  consumer  confidence.  In  addition,  we  may  be  the  target  of  email  scams  that  attempt  to  acquire
sensitive information or company assets. Despite our efforts to create security barriers to such threats, we may not be able to entirely mitigate these risks. Any
cyber  attack  that  attempts  to  obtain  our  or  our  users’  data  and  assets,  disrupt  our  service,  or  otherwise  access  our  systems,  or  those  of  third  parties  we  use,  if
successful,  could adversely  affect our business, operating results,  and financial condition, be expensive  to remedy, and damage our reputation.  In addition, any
such  breaches  may  result  in  negative  publicity,  adversely  affect  our  brand,  decrease  demand  for  our  products  and  services,  and  adversely  affect  our  operating
results and financial condition.

Our financial performance is subject to risks associated with changes in the value of the U.S. dollar versus local currencies.

Our  primary  exposure  to  movements  in  foreign  currency  exchange  rates  relates  to  non-U.S.  dollar  denominated  sales  and  operating  expenses  worldwide.
Weakening of foreign currencies relative to the U.S. dollar adversely affects the U.S. dollar value of our foreign currency-denominated  sales and earnings, and
generally leads us to raise international pricing, potentially reducing demand for our products. In some circumstances, for competitive or other reasons, we may
decide  not  to  raise  local  prices  to  fully  offset  the  strengthening  of  the  U.S.  dollar,  or  at  all,  which  would  adversely  affect  the  U.S.  dollar  value  of  our  foreign
currency denominated sales and earnings. Conversely, a strengthening of foreign currencies relative to the U.S. dollar, while generally beneficial to our foreign
currency-denominated  sales  and  earnings,  could  cause  us to  reduce  international  pricing,  incur  losses  on our  foreign  currency  derivative  instruments,  and  incur
increased  operating  expenses, thereby  limiting  any benefit.  Additionally,  strengthening  of foreign  currencies  may also increase  our cost of product components
denominated in those currencies, thus adversely affecting gross margins.

We  use  derivative  instruments,  such  as  foreign  currency  forward  and  option  contracts,  to  hedge  certain  exposures  to  fluctuations  in  foreign  currency
exchange rates. The use of such hedging activities may not offset any, or more than a portion, of the adverse financial effects of unfavorable movements in foreign
exchange  rates  over  the  limited  time  the  hedges  are  in  place.  In  addition,  our  counterparties  may  be  unable  to  meet  the  terms  of  the  agreements.  We  seek  to
mitigate this risk by limiting counterparties to major financial institutions and by spreading the risk across several major financial institutions.

We  recalled  the  Fitbit  Force  in  March  2014.  The  recall  has  exposed  us  to  CPSC  regulatory  proceedings  and  extensive  litigation  in  various  jurisdictions,
including multi-jurisdiction complex federal and state class action and personal injury claims, which

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required significant management attention and disrupted our business operations, and adversely affected our financial condition, operating results, and our
brand.

In March 2014, we recalled one of our products, the Fitbit Force, after some of our users experienced allergic reactions to adhesives in the wristband. These
reactions included skin irritation, rashes, and blistering. The recall had a negative impact on our operating results, primarily in our fourth quarter of 2013 and the
first  quarter  of  2014.  See  the  section  titled  “Management’s  Discussion  and  Analysis  of  Financial  Condition  and  Results  of  Operations—Fitbit  Force  Product
Recall” in this Annual Report on Form 10-K for additional information regarding the financial impact of the recall on our historical operating results. We have
provided and are continuing to provide full refunds to consumers who return the Fitbit Force. If returns of the Fitbit Force or other costs related to the recall are
higher than anticipated, we will be required to increase our reserves related to the recall which would negatively impact our operating results in the future.

The recall  is being conducted  in conjunction  with the  CPSC, which has been monitoring  recall  effectiveness  and compliance.  In addition  to the financial
impacts discussed elsewhere in this Annual Report on Form 10-K, this recall requires us to collect a significant amount of information for the CPSC, which takes
significant time and internal and external resources.

A large number of lawsuits, including multi-jurisdiction complex federal and state class action and personal injury claims, were filed against us relating to
the Fitbit Force. These litigation matters have required significant attention of our management and resources and disrupted the ordinary course of our business
operations. While we have settled all of the class action lawsuits, a number of personal injury claims remain outstanding. While we do not believe that these on-
going legal proceedings relating to the Fitbit Force are material, due to the inherent uncertainties of litigation, we cannot accurately predict the ultimate outcome of
any such proceedings and these actions or other third-party claims against us will result in the diversion of management time and attention from other aspects of
our business and may cause us to incur substantial litigation or settlement costs.

In addition, the CPSC conducted an investigation into several of our products. Although the CPSC has not found a substantial product hazard, there can be
no assurances that investigations will not be conducted or that product hazards or other defects will not be found in the future with respect to our products. The
Fitbit Force product recall, regulatory proceedings, and litigation have had and may continue to have, and any future recalls, regulatory proceedings, and litigation
could have an adverse impact on our financial condition, operating results, and brand. Furthermore, because of the global nature of our product sales, in the event
we experience defects with respect to products sold outside the United States, we could become subject to recalls, regulatory proceedings, and litigation by foreign
governmental  agencies  and  private  litigants,  which  could  significantly  increase  the  costs  of  managing  any  product  issues.  Any  ongoing  and  future  regulatory
proceedings or litigation, regardless of their merits, could further divert management’s attention from our operations and result in substantial legal fees and other
costs.

We depend on retailers and distributors to sell and market our products, and our failure to maintain and further develop our sales channels could harm our
business.

We primarily sell our products through retailers and distributors and depend on these third-parties to sell and market our products to consumers. Any changes
to our current mix of retailers and distributors could adversely affect our gross margin and could negatively affect both our brand image and our reputation. Our
sales depend, in part, on retailers adequately displaying our products, including providing attractive space and point of purchase, or POP, displays in their stores,
and training their sales personnel to sell our products. If our retailers and distributors are not successful in selling our products or overestimate demand for our
products, our revenue would decrease and we could experience lower gross margin due to product returns or price protection claims. Our retailers also often offer
products and services of our competitors in their stores. In addition, our success in expanding and entering into new markets internationally will depend on our
ability to establish relationships with new retailers and distributors. We also sell and will need to continue to expand our sales through online retailers, such as
Amazon.com. If we do not maintain our relationship with existing retailers and distributors or develop relationships with new retailers and distributors our ability
to sell our products and services could be adversely affected and our business may be harmed.

In 2015, our five largest retailers and distributors accounted for approximately 55% of our revenue, respectively. Of these retailers and distributors, Wynit
Distribution, Best Buy, and Amazon.com accounted for approximately 15%, 14%, and 14% of our revenue for 2015, respectively. Accordingly, the loss of a small
number of our large retailers and distributors, or the reduction in business with one or more of these retailers and distributors, could have a significant adverse
impact  on  our  operating  results.  While  we  have  agreements  with  these  large  retailers  and  distributors,  these  agreements  do  not  require  them  to  purchase  any
meaningful amount of our products.

Consolidation of retailers or concentration of retail market share among a few retailers may increase and concentrate our credit risk and impair our ability to
sell products.

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The wearable, fitness, and electronics retail markets in some countries are dominated by a few large retailers with many stores. These retailers have in the
past increased their market share and may continue to do so in the future by expanding through acquisitions and construction of additional stores. These situations
concentrate our credit risk with a relatively small number of retailers, and, if any of these retailers were to experience a shortage of liquidity, it would increase the
risk that their outstanding payables to us may not be paid. In addition, increasing market share concentration among one or a few retailers in a particular country or
region  increases  the  risk  that  if  any  one  of  them  substantially  reduces  their  purchases  of  our  connected  health  and  fitness  devices,  we  may  be  unable  to  find  a
sufficient  number  of  other  retail  outlets  for  our  products  to  sustain  the  same  level  of  sales.  Any  reduction  in  sales  by  our  retailers  would  adversely  affect  our
revenue, operating results, and financial condition.

The insolvency, credit problems, or other financial difficulties confronting our retailers and distributors could expose us to financial risk.

Some  of  our  retailers  and  distributors  have  experienced  financial  difficulties  in  the  past.  The  insolvency,  credit  problems,  or  other  financial  difficulties
confronting our retailers and distributors could expose us to financial risk. In addition, if the credit capacity of any retailers or distributors and accounts receivable
balances increase, we may be subject to additional financial risk. Financial difficulties of our retailers and distributors could impede their effectiveness and also
expose us to risks if they are unable to pay for the products they purchase from us. The difficulties of retailers and distributors may also lead to price cuts of our
products and adverse effects on our brand and operating results. Any reduction in sales by our current retailers or distributors, loss of large resellers or distributors,
or decrease in revenue from our retailers or distributors could adversely affect our revenue, operating results, and financial condition.

We have recently begun to spend significant amounts on advertising and other marketing campaigns to acquire new users, which may not be successful or
cost-effective.

We have recently begun to spend significant amounts on advertising and other marketing campaigns, such as television, cinema, print advertising, and social
media, as well as increased promotional activities, to acquire new users and we expect our marketing expenses to increase in the future as we continue to spend
significant amounts to acquire new users and increase awareness of our products and services. In 2015, advertising expenses were $237.0 million, representing
approximately 13% of our revenue. While we seek to structure our advertising campaigns in the manner that we believe is most likely to encourage people to use
our products and services, we may fail to identify advertising opportunities that satisfy our anticipated return on advertising spend as we scale our investments in
marketing, accurately predict user acquisition, or fully understand or estimate the conditions and behaviors that drive user behavior. If for any reason any of our
advertising campaigns prove less successful than anticipated  in attracting  new users, we may not be able to recover our advertising spend, and our rate of user
acquisition may fail to meet market expectations, either of which could have an adverse effect on our business. There can be no assurance that our advertising and
other marketing efforts will result in increased sales of our products and services.

If  we  continue  to  grow  at  a  rapid  pace,  we  may  not  be  able  to  effectively  manage  our  growth  and  the  increased  complexity  of  our  business,  which  could
negatively impact our brand and financial performance.

We  were  founded  in  2007  and  have  expanded  our  operations  rapidly  since  our  inception.  Our  employee  headcount  and  the  scope  and  complexity  of  our
business have increased significantly, with the number of employees increasing from 222 as of December 31, 2013, to 469 as of December 31, 2014 to 1,101 as of
December 31, 2015, and we expect headcount growth to continue for the foreseeable future. If our operations continue to grow at a rapid pace, we may experience
difficulties in obtaining components for our products in quantities sufficient to meet market demand, as well as delays in production and shipments, as our products
are  subject  to  risks  associated  with  third-party  sourcing  and  manufacturing.  We  could  be  required  to  continue  to  expand  our  sales  and  marketing,  product
development, and distribution functions, to upgrade our management information systems and other processes and technology, and to obtain more space for our
expanding workforce. This expansion could increase the strain on our resources, and we could experience serious operating difficulties, including difficulties in
hiring, training, and managing an increasing number of employees. If we do not adapt to meet these evolving challenges, and if the current and future members of
our management team do not effectively scale with our growth, we may experience erosion to our brand, the quality of our products and services may suffer, and
our corporate culture may be harmed.

Because  we  have  only  a  limited  history  operating  our  business  at  its  current  scale,  it  is  difficult  to  evaluate  our  current  business  and  future  prospects,
including our ability to plan for and model future growth. Our limited operating experience at this scale, combined with the rapidly evolving nature of the market in
which  we  sell  our  products  and  services,  substantial  uncertainty  concerning  how  these  markets  may  develop,  and  other  economic  factors  beyond  our  control,
reduces our ability to accurately forecast quarterly or annual revenue. As such, any predictions about our future revenue and expenses may not be as accurate as
they would be if we had a longer operating history or operated in a more developed and predictable market. Failure to manage our

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future  growth  effectively  could  have  an  adverse  effect  on  our  business,  which,  in  turn,  could  have  an  adverse  impact  on  our  operating  results  and  financial
condition.

Our failure or inability to protect our intellectual property rights, or claims by others that we are infringing upon or unlawfully using their intellectual property
could  diminish  the  value  of  our  brand  and  weaken  our  competitive  position,  and  adversely  affect  our  business,  financial  condition,  operating  results,  and
prospects.

We  currently  rely  on  a  combination  of  patent,  copyright,  trademark,  trade  secret,  and  unfair  competition  laws,  as  well  as  confidentiality  agreements  and
procedures and licensing arrangements, to establish and protect our intellectual property rights. We have devoted substantial resources to the development of our
proprietary  technologies  and  related  processes.  In  order  to  protect  our  proprietary  technologies  and  processes,  we  rely  in  part  on  trade  secret  laws  and
confidentiality agreements with our employees, licensees, independent contractors, commercial partners, and other advisors. These agreements may not effectively
prevent disclosure of confidential information and may not provide an adequate remedy in the event of unauthorized disclosure of confidential information. We
cannot be certain that the steps taken by us to protect our intellectual property rights will be adequate to prevent infringement of such rights by others, including
imitation  of  our  products  and  misappropriation  of  our  brand.  Additionally,  the  process  of  obtaining  patent  or  trademark  protection  is  expensive  and  time-
consuming, and we may not be able to prosecute all necessary or desirable patent applications or apply for all necessary or desirable trademark applications at a
reasonable cost or in a timely manner. We have obtained and applied for U.S. and foreign trademark registrations for the “Fitbit” brand and a variety of our product
names, and will continue to evaluate the registration of additional trademarks as appropriate. However, we cannot guarantee that any of our pending trademark or
patent applications will be approved by the applicable governmental authorities. Moreover, intellectual property protection may be unavailable or limited in some
foreign countries  where laws or law enforcement  practices  may not protect our intellectual  property rights as fully as in the United States, and it may be more
difficult for us to successfully challenge the use of our intellectual property rights by other parties in these countries. Costly and time-consuming litigation could be
necessary to enforce and determine the scope of our proprietary rights, and our failure or inability to obtain or maintain trade secret protection or otherwise protect
our proprietary rights could adversely affect our business.

We are and may in the future be subject to patent infringement and trademark claims and lawsuits in various jurisdictions, and we cannot be certain that our
products or activities do not violate the patents, trademarks, or other intellectual property rights of third-party claimants. Companies in the technology industry and
other  patent,  copyright,  and  trademark  holders  seeking  to  profit  from  royalties  in  connection  with  grants  of  licenses  own  large  numbers  of  patents,  copyrights,
trademarks,  domain  names,  and  trade  secrets  and  frequently  commence  litigation  based  on  allegations  of  infringement,  misappropriation,  or  other  violations  of
intellectual property or other rights. As we face increasing competition and gain an increasingly high profile, the intellectual property rights claims against us and
asserted by us have grown and will likely continue to grow. For example, we are currently involved in litigation with Aliphcom, Inc. d/b/a Jawbone, or Jawbone
and its subsidiaries, which is described in Note 8, “Commitments and Contingencies” in the notes to our consolidated financial statements.

We intend to vigorously defend and prosecute these litigation matters and, based on our review, we believe we have valid defenses and claims with respect to
each  of  these  matters.  However,  litigation  is  inherently  uncertain,  and  any  judgment  or  injunctive  relief  entered  against  us  or  any  adverse  settlement  could
materially and adversely impact our business, financial condition, operating results, and prospects. In addition, litigation can involve significant management time
and attention and can be expensive, regardless of outcome. During the course of these litigation matters, there may be announcements of the results of hearings and
motions, and other interim developments related to the litigation matters. If securities analysts or investors regard these announcements as negative, the market
price of our common stock may decline.

Further, from time to time, we have received  and may continue to receive  letters  from third parties  alleging  that we are infringing  upon their intellectual
property rights. Successful infringement claims against us could result in significant monetary liability, prevent us from selling some of our products and services,
or require us to change our branding. In addition, resolution of claims may require us to redesign our products, license rights from third parties at a significant
expense,  or  cease  using those  rights  altogether.  We  have  also  in  the  past  and  may  in  the future  bring  claims  against  third  parties  for  infringing  our  intellectual
property rights. Costs of supporting such litigation and disputes may be considerable, and there can be no assurances that a favorable outcome will be obtained.
Patent infringement, trademark infringement, trade secret misappropriation, and other intellectual property claims and proceedings brought against us or brought
by us, whether successful or not, could require significant attention of our management and resources and have in the past and could further result in substantial
costs, harm to our brand, and have an adverse effect on our business.

Our active user metric only represents the potential size and growth of our engaged user community, and our registered device user metric only represents the
number of users who have historically used our devices or paid for a subscription to our services. Therefore, you should not rely on these metrics as indicators
of future retention of users, continual user engagement, future payments by users or other revenue opportunities.

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Our active user metric tracks the number of users who have an active Fitbit Premium or FitStar subscription, who paired a tracker or Aria scale to a Fitbit
account, or who logged at least 100 steps or took a weight measurement within three months of the measurement date. Our registered device user metric tracks the
number  of users who have historically  either  paid  for a Fitbit  Premium  or FitStar  subscription  or paired  a  tracker  or Aria  scale  to a Fitbit  account.  The user is
counted only once on the first day of becoming a registered device user. 

The active user metric and registered device user metric do not provide information regarding the individual users that no longer pay us, or how frequently
users engage with our platform or pay us. These metrics also do not take into account the extent to which inactive users are offset by new active users or how long
a user remains active or paying. Given the recent rapid growth of the number of users on our platform, it may be difficult to discern whether the growth in active
users is the result of retaining existing users or adding new users onto our platform.

The active user metric and registered device user metric only represent the potential size or growth of our user community and is not necessarily an indicator
of the actual size and growth of our user community. Therefore, you should not rely on our active user metric or our registered device user metric as indicators of
the  level  of  retention  of  individual  users  in  the  future,  continual  user  engagement  or  future  payments  by  users,  nor  the  potential  size  and  growth  of  our  user
community  as  an  indicator  for  other  revenue  opportunities,  such  as  subscription-based  premium  services  and  our  corporate  wellness  offerings.  See  the  section
titled,  “Management’s  Discussion  and  Analysis  of  Financial  Condition  and  Results  of  Operations—Key  Business  Metrics—Active  Users”  for  additional
information.

To date, we have derived substantially all of our revenue from sales of our connected health and fitness devices, and sales of our subscription-based premium
services have historically accounted for less than 1% of our revenue.

To date, substantially all of our revenue has been derived from sales of our connected health and fitness devices, and we expect to continue to derive the
substantial majority of our revenue from sales of these devices for the foreseeable future. In each of 2015, 2014, and 2013, we derived less than 1% of our revenue
from  sales  of  our  subscription-based  premium  services.  However,  in  the  future  we  expect  to  increase  sales  of  subscriptions  to  these  services.  Our  inability  to
successfully sell and market our premium services could deprive us of a potentially significant source of revenue in the future. In addition, sales of our premium
services  may  lead  to  additional  sales  of  our  connected  health  and  fitness  devices  and  user  engagement  with  our  platform.  As  a  result,  our  future  growth  and
financial performance may depend, in part, on our ability to sell more subscriptions to our premium services.

Our failure to comply with U.S. and foreign laws related to privacy, data security, and data protection, such as the E.U. Data Protection Directive which covers
the transfer of personal data from the European Union to the United States, could adversely affect our financial condition, operating results, and our brand.

We are or may become subject to a variety of laws and regulations in the United States and abroad regarding privacy, data protection, and data security.
These  laws  and  regulations  are  continuously  evolving  and  developing.  The  scope  and  interpretation  of  the  laws  that  are  or  may  be  applicable  to  us  are  often
uncertain and may be conflicting, particularly with respect to foreign laws.

In particular, there are numerous U.S. federal, state, and local laws and regulations and foreign laws and regulations regarding privacy and the collection,
sharing, use, processing, disclosure, and protection of personal information and other user data, the scope of which is changing, subject to differing interpretations,
and  may  be  inconsistent  among  different  jurisdictions.  We  strive  to  comply  with  all  applicable  laws,  policies,  legal  obligations,  and  industry  codes  of  conduct
relating  to  privacy,  data  security,  and  data  protection.  However,  given  that  the  scope,  interpretation,  and  application  of  these  laws  and  regulations  are  often
uncertain  and  may  be  conflicting,  it  is  possible  that  these  obligations  may  be  interpreted  and  applied  in  a  manner  that  is  inconsistent  from  one  jurisdiction  to
another and may conflict with other rules or our practices. Any failure or perceived failure to comply with our privacy or security policies or privacy-related legal
obligations by us or third-party service-providers or the failure or perceived failure by third-party apps, with which our users choose to share their Fitbit data, to
comply with their privacy policies or privacy-related legal obligations as they relate to the Fitbit data shared with them, or any compromise of security that results
in  the  unauthorized  release  or  transfer  of  personally  identifiable  information  or  other  user  data,  may  result  in  governmental  enforcement  actions,  litigation,  or
negative publicity, and could have an adverse effect on our brand and operating results.

We have certified that we comply with the U.S.-E.U. Safe Harbor Framework as developed by the U.S. Department of Commerce, which has historically
provided a method for U.S. companies operating within the European Union to transfer personal data from citizens of E.U. member countries to the United States
in  a  way  that  is  consistent  with  the  E.U. Data  Protection  Directive.  However,  the  Court  of  Justice  of  the  European  Union recently  declared  the  U.S.-E.U. Safe
Harbor Framework invalid. The United States and the European Commission recently agreed to a new framework for transatlantic data flows called the “EU-U.S
Privacy Shield.” The text of the new framework has not been released and it will require additional approvals by regulators in Europe and/

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or the United States before becoming effective. We will need to assess the specific requirements of the Privacy Shield to determine whether we can comply with
the new framework.  If we are  unable to comply  with the EU-U.S. Privacy Shield, or if the Privacy Shield does not become  effective,  we will need to develop
alternative solutions to ensure that data transfers from the E.U. to the U.S. provide adequate protections to comply with the E.U. Data Protection Directive. If we
fail to develop such alternative  data transfer solutions, one or more national data protection authorities in the European Union could bring enforcement  actions
seeking to prohibit or suspend our data transfers to the U.S. and we could also face additional legal liability, fines, negative publicity, and resulting loss of business.

Certain health-related laws and regulations such as the Health Insurance Portability and Accountability Act of 1996, or HIPAA, and the Health Information
Technology for Economic and Clinical  Health Act, or HITECH, may have an impact  on our business. For example,  in September  2015 we announced that we
intend to offer HIPAA compliant capabilities to certain customers of our corporate wellness offerings who are “covered entities” under HIPAA, which may include
our execution of Business Associate Agreements with such covered entities. In addition, changes in applicable laws and regulations may result in the user data we
collect  being  deemed  protected  health  information,  or  PHI,  under  HIPAA  and  HITECH.  If  we  are  unable  to  comply  with  the  applicable  privacy  and  security
requirements under HIPAA and HITECH, or we fail to comply with Business Associate Agreements that we enter into with covered entities, we could be subject
to claims, legal liabilities, penalties, fines, and negative publicity, which could harm our operating results.

Governments are continuing to focus on privacy and data security and it is possible that new privacy or data security laws will be passed or existing laws will
be amended in a way that is material to our business. Any significant change to applicable laws, regulations, or industry practices regarding our users’ data could
require us to modify our services and features, possibly in a material manner, and may limit our ability to develop new products, services, and features. Although
we  have  made  efforts  to  design  our  policies,  procedures,  and  systems  to  comply  with  the  current  requirements  of  applicable  state,  federal,  and  foreign  laws,
changes  to  applicable  laws  and  regulations  in  this  area  could  subject  us  to  additional  regulation  and  oversight,  any  of  which  could  significantly  increase  our
operating costs.

Our business and products are subject to a variety of additional U.S. and foreign laws and regulations that are central to our business; our failure to comply
with these laws and regulations could harm our business or our operating results.

We are or may become subject to a variety of laws and regulations in the United States and abroad that involve matters central to our business, including
laws and regulations regarding consumer protection, advertising, electronic commerce, intellectual property, manufacturing, anti-bribery and anti-corruption, and
economic or other trade prohibitions or sanctions.

The labeling, distribution, importation, marketing, and sale of our products are subject to extensive regulation by various U.S. state and federal and foreign
agencies,  including  the  CPSC,  Federal  Trade  Commission,  Food  and  Drug  Administration,  or  FDA,  Federal  Communications  Commission,  and  state  attorneys
general, as well as by various other federal, state, provincial, local, and international regulatory authorities in the countries in which our products and services are
distributed or sold. If we fail to comply with any of these regulations, we could become subject to enforcement actions or the imposition of significant monetary
fines, other penalties, or claims, which could harm our operating results or our ability to conduct our business.

The global nature of our business operations also create various domestic and foreign regulatory challenges and subject us to laws and regulations such as the
U.S. Foreign Corrupt Practices Act, or FCPA, the U.K. Bribery Act, and similar anti-bribery and anti-corruption laws in other jurisdictions, and our products are
also subject to U.S. export controls, including the U.S. Department of Commerce’s Export Administration Regulations and various economic and trade sanctions
regulations established by the Treasury Department’s Office of Foreign Assets Controls. If we become liable under these laws or regulations, we may be forced to
implement new measures to reduce our exposure to this liability. This may require us to expend substantial resources or to discontinue certain products or services,
which would negatively affect our business, financial condition, and operating results. In addition, the increased attention focused upon liability issues as a result of
lawsuits, regulatory proceedings, and legislative proposals could harm our brand or otherwise impact the growth of our business. Any costs incurred as a result of
compliance or other liabilities under these laws or regulations could harm our business and operating results.

Our international operations subject us to additional costs and risks, and our continued expansion internationally may not be successful.

We have entered into many international markets in a relatively short time and may enter into additional markets in the future. Outside of the United States,
we currently have operations in Australia and a number of countries in Asia and Europe. There are significant costs and risks inherent in conducting business in
international markets, including:

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establishing and maintaining effective controls at foreign locations and the associated increased costs;
adapting our technologies, products, and services to non-U.S. consumers’ preferences and customs;
variations in margins by geography;
increased competition from local providers of similar products;
longer sales or collection cycles in some countries;
compliance with foreign laws and regulations;
compliance  with  the  laws  of  numerous  taxing  jurisdictions  where  we  conduct  business,  potential  double  taxation  of  our  international  earnings,  and
potentially adverse tax consequences due to U.S. and foreign tax laws as they relate to our international operations;
compliance with anti-bribery laws, such as the FCPA and the U.K. Bribery Act, by us, our employees, and our business partners;
complexity  and  other  risks  associated  with  current  and  future  foreign  legal  requirements,  including  legal  requirements  related  to  consumer  protection,
consumer product safety, and data privacy frameworks, such as the E.U. Data Protection Directive, the proposed E.U. Data Protection Regulation, and
applicable privacy and data protection laws in foreign jurisdictions where we currently conduct business or intend to conduct business in the future;
currency exchange rate fluctuations and related effects on our operating results;
economic and political instability in some countries, particularly those in China where we have recently expanded;
the uncertainty of protection for intellectual property rights in some countries and practical difficulties of enforcing rights abroad; and
other costs of doing business internationally.

These factors and other factors could harm our international operations and, consequently, materially impact our business, operating results, and financial
condition. Further, we may incur significant operating expenses as a result of our international expansion, and it may not be successful. We have limited experience
with  regulatory  environments  and  market  practices  internationally,  and  we  may  not  be  able  to  penetrate  or  successfully  operate  in  new  markets.  We  may  also
encounter difficulty expanding into new international markets because of limited brand recognition in certain parts of the world, leading to delayed acceptance of
our products and services by users in these new international markets. If we are unable to continue to expand internationally and manage the complexity of our
global operations successfully, our financial condition and operating results could be adversely affected.

Our future success depends on the continuing efforts of our key employees, including our founders, James Park and Eric N. Friedman, and on our ability to
attract and retain highly skilled personnel and senior management.

Our future success depends, in part, on our ability to continue to attract and retain highly skilled personnel. In particular, we are highly dependent on the
contributions of our co-founders, James Park and Eric N. Friedman, as well as other members of our management team. The loss of any key personnel could make
it more difficult to manage our operations and research and development activities, reduce our employee retention and revenue, and impair our ability to compete.
Although  we  have  generally  entered  into  employment  offer  letters  with  our  key  personnel,  these  agreements  have  no  specific  duration  and  provide  for  at-will
employment, which means they may terminate their employment relationship with us at any time.

Competition for highly skilled personnel is often intense, especially in the San Francisco Bay Area where we are located, and we may incur significant costs
to attract them. We may not be successful in attracting, integrating, or retaining qualified personnel to fulfill our current or future needs. We have, from time to
time, experienced, and we expect to continue to experience, difficulty in hiring and retaining highly skilled employees with appropriate qualifications. In addition,
job candidates and existing employees often consider the value of the equity awards they receive in connection with their employment. If the perceived value of
our equity or equity awards declines, it may adversely affect our ability to attract or retain highly skilled employees. Furthermore, there can be no assurances that
the number of shares reserved for issuance under our equity incentive plans will be sufficient to grant equity awards adequate to recruit new employees and to
compensate existing employees. Additionally, we have a number of current employees whose equity ownership in our company gives them a substantial amount of
personal wealth. Likewise, we have a number of current employees whose equity awards are fully vested and are entitled to receive substantial amounts of our
capital stock. As a result, it may be difficult for us to continue to retain and motivate these employees, and this wealth could affect their decisions about whether or
not they continue to work for us. If we fail to attract new personnel or fail to retain and motivate our current personnel, our business and future growth prospects
could be severely harmed.

We are regularly subject to general litigation, regulatory disputes, and government inquiries.

We  are  regularly  subject  to  claims,  lawsuits,  including  class  actions  and  individual  lawsuits,  government  investigations,  and  other  proceedings  involving

competition and antitrust, intellectual property, privacy, consumer protection, accessibility claims,

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securities, tax, labor and employment, commercial disputes, and other matters. The number and significance of these disputes and inquiries have increased as our
company has grown larger, our business has expanded in scope and geographic reach, and our products and services have increased in complexity.

The outcome and impact of such claims, lawsuits, government investigations, and proceedings cannot be predicted with certainty. Regardless of the outcome,
such investigations and proceedings can have an adverse impact on us because of legal costs, diversion of management resources, and other factors. Determining
reserves  for  our  pending  litigation  is  a  complex,  fact-intensive  process  that  is  subject  to  judgment  calls.  It  is  possible  that  a  resolution  of  one  or  more  such
proceedings could require us to make substantial payments to satisfy judgments, fines or penalties or to settle claims or proceedings, any of which could harm our
business.  These  proceedings  could  also  result  in  reputational  harm,  criminal  sanctions,  or  orders  preventing  us  from  offering  certain  products,  or  services,  or
requiring a change in our business practices in costly ways, or requiring development of non-infringing or otherwise altered products or technologies. Any of these
consequences could harm our business.

Changes in legislation in U.S. and foreign taxation of international business activities or the adoption of other tax reform policies, as well as the application of
such laws, could materially impact our financial position and operating results.

Recent  or  future  changes  to  the  U.S.  and  other  foreign  tax  laws  could  impact  the  tax  treatment  of  our  foreign  earnings.  We  generally  conduct  our
international operations through wholly-owned subsidiaries, branches, or representative offices and report our taxable income in various jurisdictions worldwide
based upon our business operations in those jurisdictions. Our income tax obligations are based on our corporate operating structure, including the manner in which
we  develop,  value,  and  use  our  intellectual  property,  scope  of  our  international  operations,  and  intercompany  arrangements  with  and  amongst  the  subsidiaries
within the company group. Our direct and indirect subsidiaries are subject to complex transfer pricing tax regulations administered by taxing authorities in various
jurisdictions. Changes in the tax laws applicable to our international business activities, including the laws of the U.S. and other jurisdictions, may increase our
worldwide effective tax rate, and may adversely affect our financial position, and operating results.

In addition, our future effective tax rates could be adversely affected by earnings being lower than anticipated in countries where we have lower statutory
rates and higher than anticipated in countries where we have higher statutory rates, by changes in foreign currency exchange rates, or by changes in the relevant
tax, accounting, and other laws, regulations, principles, and interpretations, or by changes in the valuation of our deferred tax assets and liabilities. As we operate in
numerous  taxing  jurisdictions,  the  application  of  tax  laws  can  be  subject  to  diverging  and  sometimes  conflicting  interpretations  by  tax  authorities  of  these
jurisdictions.

We are subject to review and audit by U.S. and other tax authorities. If any tax authority disagrees with any position we have taken, our tax liabilities and

operating results may be adversely affected.

If we are unable to protect our domain names, our brand, business, and operating results could be adversely affected.

We have registered domain names for websites, or URLs, that we use in our business, such as Fitbit.com. If we are unable to maintain our rights in these
domain names, our competitors or other third parties could capitalize on our brand recognition by using these domain names for their own benefit. In addition,
although we own the “Fitbit” domain name under various global top level domains such as .com and .net, as well as under various country-specific domains, we
might not be able to, or may choose not to, acquire or maintain other country-specific versions of the “Fitbit” domain name or other potentially similar URLs. The
regulation of domain names in the United States and elsewhere is generally conducted by Internet regulatory bodies and is subject to change. If we lose the ability
to use a domain name in a particular country, we may be forced to either incur significant additional expenses to market our solutions within that country, including
the development of a new brand and the creation of new promotional materials, or elect not to sell our solutions in that country. Either result could substantially
harm our business and operating results. Regulatory bodies could establish additional top-level domains, appoint additional domain name registrars, or modify the
requirements  for  holding  domain  names.  As  a  result,  we  may  not  be  able  to  acquire  or  maintain  the  domain  names  that  utilize  the  name  “Fitbit”  in  all  of  the
countries in which we currently conduct or intend to conduct business. Further, the relationship between regulations governing domain names and laws protecting
trademarks  and  similar  proprietary  rights  varies  among  jurisdictions  and  is  unclear  in  some  jurisdictions.  Domain  names  similar  to  ours  have  already  been
registered in the United States and elsewhere, and we may be unable to prevent third parties from acquiring and using domain names that infringe, are similar to, or
otherwise decrease the value of, our brand or our trademarks. Protecting and enforcing our rights in our domain names and determining the rights of others may
require litigation, which could result in substantial costs, divert management attention, and not be decided favorably to us.

Our use of “open source” software could negatively affect our ability to sell our products and subject us to possible litigation.

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A portion of the technologies we use incorporates “open source” software, and we may incorporate open source software in the future. Such open source
software  is  generally  licensed  by  its  authors  or  other  third  parties  under  open  source  licenses.  These  licenses  may  subject  us  to  certain  unfavorable  conditions,
including requirements that we offer our products and services that incorporate the open source software for no cost, that we make publicly available source code
for modifications or derivative works we create based upon, incorporating, or using the open source software, or that we license such modifications or derivative
works under the terms of the particular open source license. Additionally, if a third-party software provider has incorporated open source software into software
that we license from such provider, we could be required to disclose or provide at no cost any of our source code that incorporates or is a modification of such
licensed software. If an author or other third party that distributes open source software that we use or license were to allege that we had not complied with the
conditions of the applicable license, we could be required to incur significant legal expenses defending against such allegations and could be subject to significant
damages and enjoined from the sale of our products and services that contained the open source software. Any of the foregoing could disrupt the distribution and
sale of our products and services and harm our business.

We may engage in merger and acquisition activities, which could require significant management attention, disrupt our business, dilute stockholder value, and
adversely affect our operating results.

As part of our business strategy, we may make investments in other companies, products, or technologies. We may not be able to find suitable acquisition
candidates and we may not be able to complete acquisitions on favorable terms, if at all. If we do complete acquisitions, we may not ultimately strengthen our
competitive position or achieve our goals, and any acquisitions we complete could be viewed negatively by users or investors. In addition, if we fail to successfully
integrate such acquisitions, or the technologies associated with such acquisitions, into our company, the revenue and operating results of the combined company
could be adversely affected.

Acquisitions  may  disrupt  our  ongoing  operations,  divert  management  from  their  primary  responsibilities,  subject  us  to  additional  liabilities,  increase  our
expenses,  and  adversely  impact  our  business,  financial  condition,  operating  results,  and  cash  flows.  We  may  not  successfully  evaluate  or  utilize  the  acquired
technology and accurately forecast the financial impact of an acquisition transaction, including accounting charges. We may have to pay cash, incur debt, or issue
equity securities to pay for any such acquisition, each of which could affect our financial condition or the value of our capital stock and could result in dilution to
our stockholders. If we incur more debt it would result in increased fixed obligations and could also subject us to covenants or other restrictions that would impede
our ability to manage our operations. Additionally, we may receive indications of interest from other parties interested in acquiring some or all of our business. The
time required to evaluate such indications of interest could require significant attention from management, disrupt the ordinary functioning of our business, and
adversely affect our operating results.

The Aria Wi-Fi connected scale is subject to FDA regulation, and sales of this product or future regulated products could be adversely affected if we fail to
comply with the applicable requirements.

The Aria scale is regulated as a medical device by the FDA and corresponding state regulatory agencies, and we may have future products that are regulated
as medical devices by the FDA. The medical device industry in the United States is regulated by governmental authorities, principally the FDA and corresponding
state regulatory agencies. Before we can market or sell a new regulated product or make a significant modification to an existing medical device in the United
States, we must obtain regulatory clearance or approval from the FDA, unless an exemption from pre-market review applies. We received a pre-market clearance
for the Aria scale in June 2014. The process of obtaining regulatory clearances or approvals to market a medical device can be costly and time consuming, and we
may not be able to obtain these clearances or approvals on a timely basis, or at all, for future products. Any delay in, or failure to receive or maintain, clearance or
approval for any medical device products under development could prevent us from generating revenue from these products. Medical devices, including the Aria
scale, are also subject to numerous ongoing compliance requirements under the regulations of the FDA and corresponding state regulatory agencies, which can be
costly and time consuming. For example, under FDA regulations medical device manufacturers are required to, among other things, (i) establish a quality system to
help ensure that their products consistently meet applicable requirements and specifications, (ii) establish and maintain procedures for receiving, reviewing, and
evaluating  complaints,  (iii)  establish  and  maintain  a  corrective  and  preventive  action  procedure,  (iv)  report  certain  device-related  adverse  events  and  product
problems to the FDA, and (v) report to the FDA the removal or correction of a distributed product. If we experience any product problems requiring reporting to
the FDA or if we otherwise fail to comply with applicable FDA regulations or the regulations of corresponding state regulatory agencies, with respect to the Aria
scale or future regulated products, we could jeopardize our ability to sell our products and could be subject to enforcement actions such as fines, civil penalties,
injunctions,  recalls  of  products,  delays  in  the  introduction  of  products  into  the  market,  and  refusal  of  the  FDA or  other  regulators  to  grant  future  clearances  or
approvals, which could harm our reputation, business, operating results, and financial condition.

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If  we  fail  to  maintain  an  effective  system  of  disclosure  controls  and  internal  control  over  financial  reporting,  our  ability  to  produce  timely  and  accurate
financial statements or comply with applicable regulations could be impaired.

We are subject to the reporting requirements of the Exchange Act, the Sarbanes-Oxley Act of 2002, or the Sarbanes-Oxley Act, and the rules and regulations
of the applicable listing standards of the New York Stock Exchange. We expect that the requirements of these rules and regulations will continue to increase our
legal, accounting, and financial compliance costs, make some activities more difficult, time-consuming, and costly, and place significant strain on our personnel,
systems, and resources.

The  Sarbanes-Oxley  Act  requires,  among  other  things,  that  we  maintain  effective  disclosure  controls  and  procedures  and  internal  control  over  financial
reporting. We will be required to make a formal assessment and provide an annual management report on the effectiveness of our internal control over financial
reporting beginning with our annual report for the fiscal year ended December 31, 2016. We are continuing to develop and refine our disclosure controls and other
procedures  that  are  designed  to  ensure  that  information  required  to  be  disclosed  by  us  in  the  reports  that  we  will  file  with  the  SEC  is  recorded,  processed,
summarized, and reported within the time periods specified in SEC rules and forms and that information required to be disclosed in reports under the Exchange Act
is accumulated and communicated to our principal executive and financial officers, as appropriate to allow timely decisions regarding required disclosure. We are
also  continuing  to  improve  our  internal  control  over  financial  reporting.  In  order  to  maintain  and  improve  the  effectiveness  of  our  disclosure  controls  and
procedures  and  internal  control  over  financial  reporting,  we  have  expended,  and  anticipate  that  we  will  continue  to  expend,  significant  resources,  including
accounting-related costs and significant management oversight.

Our current controls and any new controls that we develop may become inadequate because of changes in conditions in our business. Further, weaknesses in
our disclosure controls and internal control over financial reporting may be discovered in the future. Any failure to develop or maintain effective controls or any
difficulties  encountered in their implementation  or improvement could harm our operating results or cause us to fail to meet our reporting obligations and may
result in a restatement of our financial statements for prior periods. Any failure to implement and maintain effective internal control over financial reporting also
could adversely affect the results of periodic management evaluations and annual independent registered public accounting firm attestation reports regarding the
effectiveness of our internal control over financial reporting that we will eventually be required to include in our periodic reports that will be filed with the SEC.
Ineffective disclosure controls and procedures and internal control over financial reporting could also cause investors to lose confidence in our reported financial
and other information, which would likely have a negative effect on the trading price of our Class A common stock. In addition, if we are unable to continue to
meet these requirements, we may not be able to remain listed on the New York Stock Exchange.

We ceased to be an “emerging growth company” on December 31, 2015, and therefore, pursuant to Sections 302 and 404 of the Sarbanes-Oxley Act, we will
be required to evaluate and determine the effectiveness, provide a management report and be subject to attestation by our independent registered public accounting
firm of our internal control over financial reporting, beginning with our annual report for the fiscal year ending December 31, 2016. At such time, our independent
registered  public  accounting  firm  may  issue  a  report  that  is  adverse  in  the  event  it  is  not  satisfied  with  the  level  at  which  our  internal  control  over  financial
reporting is documented, designed, or operating. Any failure to maintain effective disclosure controls and internal control over financial reporting could have a
material and adverse effect on our business and operating results and could cause a decline in the price of our Class A common stock.

Our management team has limited experience managing a public company.

Most  members  of  our  management  team  have  limited  experience  managing  a  publicly-traded  company,  interacting  with  public  company  investors,  and
complying with the increasingly complex laws pertaining to public companies. We are subject to significant regulatory oversight and reporting obligations under
the federal securities laws and the continuous scrutiny of securities analysts and investors. These obligations and constituents require significant attention from our
senior  management  and  divert  their  attention  away  from  the  day-to-day  management  of  our  business,  which  could  adversely  affect  our  business,  financial
condition, and operating results.

Our business is subject to the risk of earthquakes, fire, power outages, floods, and other catastrophic events, and to interruption by manmade problems such as
terrorism.

Our business is vulnerable to damage or interruption from earthquakes, fires, floods, power losses, telecommunications failures, terrorist attacks, acts of war,
human errors, break-ins, and similar events. The third-party systems and operations and contract manufacturers we rely on, such as the data centers we lease, are
subject to similar risks. For example, a significant natural disaster, such as an earthquake, fire, or flood, could have an adverse effect on our business, operating
results, and financial condition, and our insurance coverage may be insufficient to compensate us for losses that may occur. Our corporate offices and one of our
data center facilities are located in California, a state that frequently experiences earthquakes. In addition, the facilities at which

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our contract manufacturers manufacture our products are located in parts of Asia that frequently endure typhoons and earthquakes. Acts of terrorism, which may be
targeted at metropolitan areas that have higher population density than rural areas, could also cause disruptions in our or our suppliers’, contract manufacturers’,
and logistics providers’ businesses or the economy as a whole. We may not have sufficient protection or recovery plans in some circumstances, such as natural
disasters affecting California or other locations where we have data centers or store significant inventory of our products. As we rely heavily on our data center
facilities,  computer  and  communications  systems,  and  the  Internet  to  conduct  our  business  and  provide  high-quality  customer  service,  these  disruptions  could
negatively impact our ability to run our business and either directly or indirectly disrupt suppliers’ businesses, which could have an adverse effect on our business,
operating results, and financial condition.

If our estimates or judgments relating to our critical accounting policies prove to be incorrect, our operating results could be adversely affected.

The  preparation  of  financial  statements  in  conformity  with  U.S.  GAAP  requires  management  to  make  estimates  and  assumptions  that  affect  the  amounts
reported in the consolidated financial statements and accompanying notes. We base our estimates on historical experience and on various other assumptions that
we believe to be reasonable under the circumstances, as provided in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in
this Annual Report on Form 10-K. The results of these estimates form the basis for making judgments about the carrying values of assets, liabilities, and equity,
and the amount of revenue and expenses that are not readily apparent from other sources. Significant assumptions and estimates used in preparing our consolidated
financial statements include those related to revenue recognition, inventories, product warranty reserves, the Fitbit Force recall, accounting for derivative financial
instruments, business combinations, accounting for income taxes, and stock-based compensation expense. Our operating results may be adversely affected if our
assumptions  change  or  if  actual  circumstances  differ  from  those  in  our  assumptions,  which  could  cause  our  operating  results  to  fall  below  the  expectations  of
securities analysts and investors, resulting in a decline in the price of our Class A common stock.

Our  revolving  credit  facility  provides  our  lenders  with  first-priority  liens  against  substantially  all  of  our  assets,  excluding  our  intellectual  property,  and
contains financial covenants and other restrictions on our actions, which could limit our operational flexibility and otherwise adversely affect our financial
condition.

In December 2015, we amended and restated our existing revolving credit facility and revolving credit and guarantee agreement into one senior credit facility.

Our credit agreement restricts our ability to, among other things:

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use our accounts receivable, inventory, trademarks, and most of our other assets as security in other borrowings or transactions;
incur additional indebtedness;
sell certain assets;
guarantee certain obligations of third parties;
declare dividends or make certain distributions; and
undergo a merger or consolidation or other transactions.

Our credit agreement also prohibits us from exceeding a consolidated fixed charge coverage ratio and require us to maintain a minimum liquidity reserve.

Our ability to comply with these and other covenants is dependent upon a number of factors, some of which are beyond our control.

Our failure to comply with the covenants or payment requirements, or the occurrence of other events specified in our credit agreement, could result in an
event of default under the credit agreement, which would give our lenders the right to terminate their commitments to provide additional loans under the credit
agreement and to declare all borrowings outstanding, together with accrued and unpaid interest and fees, to be immediately due and payable. In addition, we have
granted  our  lenders  first-priority  liens  against  all  of  our  assets,  excluding  our  intellectual  property,  as  collateral.  Failure  to  comply  with  the  covenants  or  other
restrictions in the credit agreement could result in a default. If the debt under our credit agreement was to be accelerated, we may not have sufficient cash on hand
or be able to sell sufficient collateral to repay it, which would have an immediate adverse effect on our business and operating results. This could potentially cause
us to cease operations and result in a complete loss of your investment in our Class A common stock.

We are exposed to fluctuations in the market values of our investments.

Credit  ratings  and  pricing  of  our  investments  can  be  negatively  affected  by  liquidity,  credit  deterioration,  financial  results,  economic  risk,  political  risk,
sovereign risk, changes in interest rates, or other factors. As a result, the value and liquidity of our cash, cash equivalents, and marketable securities may fluctuate
substantially. Therefore, although we have not realized any

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significant losses on its cash, cash equivalents, and marketable securities, future fluctuations in their value could result in a significant realized loss, which could
materially adversely affect our financial condition and operating results.

Regulations related to conflict minerals may cause us to incur additional expenses and could limit the supply and increase the costs of certain metals used in
the manufacturing of our products.

We  are  subject  to  requirements  under  the  Dodd-Frank  Wall  Street  Reform  and  Consumer  Protection  Act  of  2010,  which  will  require  us  to  conduct  due
diligence on and disclose whether or not our products contain conflict minerals. The implementation  of these requirements could adversely affect the sourcing,
availability, and pricing of the materials used in the manufacture of components used in our products. In addition, we will incur additional costs to comply with the
disclosure  requirements,  including  costs  related  to  conducting  diligence  procedures  to  determine  the  sources  of  minerals  that  may  be  used  or  necessary  to  the
production of our products and, if applicable, potential changes to products, processes, or sources of supply as a consequence of such due diligence activities. It is
also possible that we may face reputational harm if we determine that certain of our products contain minerals not determined to be conflict free or if we are unable
to alter our products, processes, or sources of supply to avoid such materials.

Risks Related to Ownership of Our Class A Common Stock

The market price of our Class A common stock has been and will likely continue to be volatile, and you could lose all or part of your investment.

The market price of our Class A common stock has been, and will likely continue to be, volatile. Since shares of our Class A common stock were sold in our
initial public offering in June 2015 at a price of $20.00 per share, our stock price has ranged from $12.90 to $51.90 through February 19, 2016. In addition, the
trading prices of the securities of technology companies in general have been highly volatile.

The  market  price  of  our  Class  A  common  stock  may  continue  to  fluctuate  significantly  in  response  to  numerous  factors,  many  of  which  are  beyond  our

control, including:

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overall performance of the equity markets;
actual or anticipated fluctuations in our revenue and other operating results;
changes in the financial projections we may provide to the public or our failure to meet these projections;
failure of securities analysts to initiate or maintain coverage of us, changes in financial estimates by any securities analysts who follow our company, or
our failure to meet these estimates or the expectations of investors;
recruitment or departure of key personnel;
the economy as a whole and market conditions in our industry;
negative publicity related to problems in our manufacturing or the real or perceived quality of our products, as well as the failure to timely launch new
products that gain market acceptance;
rumors and market speculation involving us or other companies in our industry;
announcements by us or our competitors of significant technical innovations, acquisitions, strategic partnerships, joint ventures, or capital commitments;
new laws or regulations or new interpretations of existing laws or regulations applicable to our business;
lawsuits threatened or filed against us;
other events or factors, including those resulting from war, incidents of terrorism, or responses to these events; and
sales of shares of our Class A common stock by us or our stockholders.

In addition, the stock markets have experienced extreme price and volume fluctuations that have affected and continue to affect the market prices of equity
securities of many companies. Stock prices of many companies have fluctuated in a manner unrelated or disproportionate to the operating performance of those
companies.  We  are  currently  subject  to  securities  litigation.  Any  securities  litigation  could  subject  us  to  substantial  costs,  divert  resources  and  the  attention  of
management from our business, and adversely affect our business.

Sales of substantial amounts of our Class A common stock in the public markets, or the perception that they might occur, could cause the market price of our
Class A common stock to decline.

Sales  of  a  substantial  number  of  shares  of  our  Class  A  common  stock  into  the  public  market,  particularly  sales  by  our  directors,  executive  officers,  and

principal stockholders, or the perception that these sales might occur, could cause the market price of our Class A common stock to decline.

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As  of  December  31,  2015,  there  were  214.8  million  shares  of  Class  A  and  Class  B  common  stock  outstanding.  All  lock-up  restrictions  entered  into  by
security  holders  in  connection  with  our  initial  public  offering  and  follow-on  offering  have  expired  as  of  the  date  of  this  Annual  Report  on  Form  10-K,  and  all
shares of our common stock are available for sale in the public market, subject in certain cases to volume limitations under Rule 144 under the Securities Act of
1933, as amended, or the Securities Act, various vesting agreements, as well as our insider trading policy.

In  addition,  as  of  December  31,  2015,  we  had  options  outstanding  that,  if  fully  exercised,  would  result  in  the  issuance  of  0.3  million  shares  of  Class  A
common stock and 44.1 million shares of Class B common stock (which shares of Class B common stock generally convert to Class A common stock upon their
sale or transfer). We also had RSUs outstanding as of December 31, 2015 that may be settled for 2.8 million shares of Class A common stock and 0.5 million
shares of Class B common stock. All of the shares issuable upon the exercise of stock options or settlement of RSUs, and the shares reserved for future issuance
under our equity incentive plans, are registered for public resale under the Securities Act. Accordingly, these shares may be freely sold in the public market upon
issuance subject to applicable vesting requirements.

In addition, certain holders of our capital stock have rights, subject to some conditions, to require us to file registration statements for the public resale of

their shares or to include such shares in registration statements that we may file for us or other stockholders.

The  dual  class  structure  of  our  common  stock  has  the  effect  of  concentrating  voting  control  with  holders  of  our  Class  B  common  stock,  including  our
directors,  executive  officers,  and  significant  stockholders.  This  will  limit  or  preclude  your  ability  to  influence  corporate  matters,  including  the  election  of
directors, amendments of our organizational documents, and any merger, consolidation, sale of all or substantially all of our assets, or other major corporate
transaction requiring stockholder approval.

Our Class B common stock has ten votes per share and our Class A common stock has one vote per share. As of December 31, 2015, our directors, executive
officers, and holders of more than 5% of our common stock, and their respective affiliates, held a substantial majority of the voting power of our capital stock.
Because  of  the  ten-to-one  voting  ratio  between  our  Class  B  and  Class  A  common  stock,  the  holders  of  our  Class  B  common  stock  collectively  will  control  a
majority  of  the  combined  voting  power  of  our  common  stock  and  therefore  are  able  to  control  all  matters  submitted  to  our  stockholders  for  approval  until  the
earlier of June 17, 2027 or the date the holders of a majority of our Class B common stock choose to convert their shares. This concentrated control will limit or
preclude your ability to influence corporate matters for the foreseeable future, including the election of directors, amendments of our organizational documents,
and any merger, consolidation, sale of all or substantially all of our assets, or other major corporate transaction requiring stockholder approval. In addition, this
may prevent or discourage unsolicited acquisition proposals or offers for our capital stock that you may feel are in your best interest as one of our stockholders.

Future transfers by holders of Class B common stock will generally result in those shares converting to Class A common stock, subject to limited exceptions,
such as certain transfers effected for estate planning purposes. The conversion of Class B common stock to Class A common stock will have the effect, over time,
of increasing the relative voting power of those holders of Class B common stock who retain their shares in the long term.

If securities or industry analysts do not publish research, or publish inaccurate or unfavorable research, about our business, the price of our Class A common
stock and trading volume could decline.

The trading market for our Class A common stock depends in part on the research and reports that securities or industry analysts publish about us or our
business. We do not have any control over these analysts. If industry analysts cease coverage of us, the trading price for our common stock would be negatively
affected. If one or more of the analysts who cover us downgrade our Class A common stock or publish inaccurate or unfavorable research about our business, our
common stock price would likely decline. If one or more of these analysts cease coverage of us or fail to publish reports on us regularly, demand for our Class A
common stock could decrease, which might cause our Class A common stock price and trading volume to decline.

We do not intend to pay dividends for the foreseeable future.

We  have  never  declared  or  paid  any  cash  dividends  on  our  common  stock  and  do  not  intend  to  pay  any  cash  dividends  in  the  foreseeable  future.  We
anticipate that we will retain all of our future earnings for use in the development of our business and for general corporate purposes. Any determination to pay
dividends in the future will be at the discretion of our board of directors. Accordingly, investors must rely on sales of their common stock after price appreciation,
which may never occur, as the only way to realize any future gains on their investments. In addition, our credit facility contains restrictions on our ability to pay
dividends.

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Provisions in our charter documents and under Delaware law could make an acquisition of our company more difficult, limit attempts by our stockholders to
replace or remove our current management, limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or our directors, officers, or
employees, and limit the market price of our common stock.

Provisions in our restated certificate of incorporation and restated bylaws may have the effect of delaying or preventing a change of control or changes in our

management. Our restated certificate of incorporation and restated bylaws include provisions that:

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provide that our board of directors will be classified into three classes of directors with staggered three-year terms at such time as the outstanding shares
of our Class B common stock represent less than a majority of the combined voting power of our common stock;
permit the board of directors to establish the number of directors and fill any vacancies and newly-created directorships;
require super-majority voting to amend some provisions in our restated certificate of incorporation and restated bylaws;
authorize the issuance of “blank check” preferred stock that our board of directors could use to implement a stockholder rights plan;
provide that only the chairman of our board of directors, our chief executive officer, or a majority of our board of directors will be authorized to call a
special meeting of stockholders;
provide  for  a  dual  class  common  stock  structure  in  which  holders  of  our  Class  B  common  stock  have  the  ability  to  control  the  outcome  of  matters
requiring stockholder approval, even if they own significantly less than a majority of the outstanding shares of our Class A and Class B common stock,
including the election of directors and significant corporate transactions, such as a merger or other sale of our company or its assets;
prohibit stockholder action by written consent, which requires all stockholder actions to be taken at a meeting of our stockholders;
provide that the board of directors is expressly authorized to make, alter, or repeal our bylaws; and
establish  advance  notice  requirements  for  nominations  for  election  to  our  board  of  directors  or  for  proposing  matters  that  can  be  acted  upon  by
stockholders at annual stockholder meetings.

In  addition,  our  restated  certificate  of  incorporation  provides  that  the  Court  of  Chancery  of  the  State  of  Delaware  will  be  the  exclusive  forum  for:  any
derivative action or proceeding brought on our behalf; any action asserting a breach of fiduciary duty; any action asserting a claim against us arising pursuant to the
Delaware General Corporation Law, our restated certificate of incorporation, or our restated bylaws; or any action asserting a claim against us that is governed by
the internal affairs doctrine. This choice of forum provision may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes
with us or any of our directors, officers, or other employees, which may discourage lawsuits with respect to such claims. Alternatively, if a court were to find the
choice  of forum  provision  contained  in our  restated  certificate  of incorporation  to  be  inapplicable  or  unenforceable  in  an action,  we may  incur  additional  costs
associated with resolving such action in other jurisdictions, which could harm our business, operating results, and financial condition.

Moreover,  Section  203  of  the  Delaware  General  Corporation  Law  may  discourage,  delay,  or  prevent  a  change  in  control  of  our  company.  Section  203

imposes certain restrictions on mergers, business combinations, and other transactions between us and holders of 15% or more of our common stock.

Item 1B. Unresolved Staff Comments

None.

Item 2. Properties

We  are  a  global  company  with  our  corporate  headquarters  located  in  San  Francisco,  California.  Our  headquarters  facilities  in  San  Francisco  comprise
approximately  255,628  square  feet  of  space  pursuant  to  several  leases  that  expire  at  various  dates  through  July  2024.  Our  corporate  headquarters  serve  as  the
principal  facilities  for  our  administrative,  sales,  marketing,  product  development,  and  customer  support  groups.  We  also  lease  additional  office  space  in  San
Francisco and around the world for various product development, operational and support purposes. We believe our existing facilities are adequate to meet our
current requirements. If we were to require additional space, we believe we will be able to obtain such space on acceptable and commercially reasonable terms.

Item 3. Legal Proceedings

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For a discussion of legal proceedings, see Note 8, “Commitments and Contingencies,” in the notes to our consolidated financial statements included in Part

II, Item 8 of this Annual Report on Form 10-K, which is incorporated herein by reference.

Further, we are and, from time to time, we may become, involved in legal proceedings or be subject to claims arising in the ordinary course of our business.
We  are  not  presently  a  party  to  any  other  legal  proceedings  that  in  the  opinion  of  our management,  if  determined  adversely  to  us, would individually  or  taken
together have a material adverse effect on our business, operating results, financial condition, or cash flows.

Item 4. Mine Safety Disclosures

None.

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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 Class A common stock has been listed on the New York Stock Exchange under the symbol “FIT” since June 18, 2015. Prior to that date, there was no
public trading market for our Class A common stock. The following table sets forth for the periods indicated the high and low sale prices per share of our Class A
common stock as reported on the New York Stock Exchange:

Fiscal Year 2015

Second Quarter (from June 18, 2015)

Third Quarter

Fourth Quarter

Our Class B common stock is neither listed nor traded.     

Holders of Record

High

Low

$

$

$

40.45   $

51.90   $

41.97   $

29.50

30.51

26.46

As of December 31, 2015, we had 52 holders of record of our Class A common stock. Because many of our shares of Class A common stock are held by
brokers  and  other  institutions  on  behalf  of  stockholders,  we  are  unable  to  estimate  the  total  number  of  stockholders  represented  by these  record  holders.  As  of
December 31, 2015, we had 72 holders of record of our Class B common stock.

Dividends

We have never declared or paid any cash dividends on our capital stock. We currently intend to retain any future earnings and do not expect to pay any cash
dividends on our common stock for the foreseeable future. Any determination  to pay dividends in the future will be at the discretion of our board of directors,
subject to applicable laws, and will depend on our financial condition, operating results, capital requirements, general business conditions, and other factors that
our board of directors considers relevant. In addition, the terms of our credit facility contains restrictions on our ability to declare and pay cash dividends.

Securities Authorized for Issuance under Equity Compensation Plans

The information required by this item with respect to our equity compensation plans is incorporated by reference to our Proxy Statement for the 2016 Annual

Meeting of Stockholders to be filed with the SEC within 120 days of the fiscal year ended December 31, 2015.

Stock Performance Graph

The following graph compares the cumulative total return on our Class A common stock with that of the S&P 500 Index and the Nasdaq Composite Index.
The period shown commences on June 18, 2015 and ends on December 31, 2015, the end of our last fiscal year.  The graph assumes $100 was invested at the close
of market on June 28, 2015 in our Class A common stock, the S&P 500 Index and the Nasdaq Composite Index, and assumes the reinvestment of any dividends.
The stock price performance on the following graph is not intended to forecast or be indicative of future stock price performance of our Class A common stock.

33

 
 
 
 
   
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This performance graph shall not be deemed incorporated by reference into any of our other filings under the Exchange Act, or the Securities Act, except to

the extent we specifically incorporate it by reference into such filing.

Recent Sales of Unregistered Securities.

None.

Use of Proceeds

On June 17, 2015, the SEC declared our registration statement on Form S-1 (File No. 333-203941) for our initial public offering effective. On November 12,

2015, the SEC declared our registration statement on Form S-1 (File No. 333-207753) for our follow-on offering effective.

There  has  been  no  material  change  in  the  planned  use  of  proceeds  from  our  initial  public  offering  or  our  follow-on  offering  as  described  in  our  final

prospectuses filed with the SEC on June 18, 2015 and November 13, 2015, respectively, pursuant to Rule 424(b)(4).

Purchases of Equity Securities by the Issuer and Affiliated Purchasers

None.

Item 6. Selected Financial Data

We  derived  the  selected  consolidated  statements  of  operations  data  for  2015,  2014,  and  2013  and  the  selected  consolidated  balance  sheet  data  as  of
December  31,  2015  and  2014  from  our  audited  consolidated  financial  statements  included  elsewhere  in  this  Annual  Report  on  Form  10-K.  The  consolidated
statements  of  operations  data  for  2012  and  2011,  and  the  consolidated  balance  sheet  data  as  of  December  31,  2013,  2012,  and  2011  are  derived  from  audited
consolidated financial statements that are not included in this Annual Report on Form 10-K. Our historical results are not necessarily indicative of the results that
may  be  expected  in  the  future.  You  should  read  this  data  together  with  our  “Management’s  Discussion  and  Analysis  of  Financial  Condition  and  Results  of
Operations” and the consolidated financial statements and related notes included elsewhere in this Annual Report on Form 10-K.

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Consolidated Statements of Operations Data :

Revenue
Cost of revenue (2)

Gross profit

Operating expenses:

Research and development (2)
Sales and marketing (2)
General and administrative (2)

Change in contingent consideration

Total operating expenses

Operating income (loss)

Interest expense, net

Other income (expense), net

Income (loss) before income taxes

Income tax expense

Net income (loss)

Net income (loss) per share attributable to common stockholders (3) :

Basic

Diluted

Other Data :
Devices sold (4)
Active users (5)
Registered device users (5)
Adjusted EBITDA (6)

As of or For the Year Ended December 31,

2015 (1)

2014 (1)

2013 (1)

2012

2011

(in thousands, except per share data)

$

1,857,998   $

745,433   $

271,087   $

76,373   $

14,454

956,935  

901,063  

387,776  

357,657  

210,836  

60,251  

150,035  

332,741  

77,793  

(7,704)  

552,865  

348,198  

(1,019)  

(59,230)  

287,949  

112,272  

54,167  

112,005  

33,556  

—  

199,728  

157,929  

(2,222)  

(15,934)  

139,773  

7,996  

27,873  

26,847  

14,485  

—  

69,205  

(8,954)  

(1,082)  

(3,649)  

(13,685)  

37,937  

49,733  

26,640  

16,210  

10,237  

3,968  

—  

30,415  

(3,775)  

(176)  

26  

(3,925)  

291  

9,222

5,232

6,133

1,868

1,544

—

9,545

(4,313)

(15)

15

(4,313)

4

175,677   $

131,777   $

(51,622)   $

(4,216)   $

(4,317)

0.88   $

0.75   $

0.70   $

0.63   $

(1.32)   $

(1.32)   $

(0.11)   $

(0.11)   $

21,355  

16,903  

29,033  

10,904  

6,700  

11,068  

4,476  

2,570  

3,534    

1,279  

558    

(0.12)

(0.12)

208

$

$

$

$

389,879   $

191,042   $

79,049   $

(2,401)   $

(4,023)

(1)

In March 2014, we recalled the Fitbit Force. See the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Fitbit Force Product Recall”
for additional information. The recall, which primarily affected our results for the fourth quarter of 2013, the first quarter of 2014, and the fourth quarter of 2015 and had the following
effect on our income (loss) before income taxes:

Reduction of revenue

Incremental (benefit to) cost of revenue

Impact on gross profit

Incremental general and administrative expenses (benefit)

Impact on income (loss) before income taxes

Year Ended December 31,

2015

2014

(in thousands)

2013

—   $

(5,755)

(5,755)

(4,416)

10,171

  $

(8,112)   $
11,339  
(19,451)  
3,389  
(22,840)   $

(30,607)

51,205

(81,812)

2,838

(84,650)

$

$

See note 6 of the notes to our consolidated financial statements included elsewhere in this Annual Report on Form 10-K for discussion of the portion of these expenses (benefits) that were
recorded through the Force Recall reserve.  

(2)

Includes stock-based compensation expense as follows:

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Cost of revenue

Research and development

Sales and marketing

General and administrative

Total

2015

2014

2013

2012

2011

Year Ended December 31,

(in thousands)

$

$

4,739

  $

18,251

7,419

10,615

41,024

  $

890   $

2,350  
1,295  
2,269  
6,804   $

37   $
288  
204  
91  
620   $

15   $
62  
29  
26  
132   $

8

27

—

25

60

(3) See notes 3 and 13 of the notes to our consolidated financial statements included elsewhere in this Annual Report on Form 10-K for an explanation of the calculations of our net income

(loss) per share attributable to common stockholders, basic and diluted.

(4) See the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Key Business Metrics—Devices Sold” for more information.
(5) We believe that the active user and registered device user metrics are indicators of the potential size of our community, but currently we do not believe that these have a direct effect on our
revenue  and  operating  results.  See  the  section  titled  “Management’s  Discussion  and  Analysis  of  Financial  Condition  and  Results  of  Operations—Key  Business  Metrics”  for  more
information.

(6) Adjusted EBITDA is a financial measure that is not calculated in accordance with U.S. GAAP. See the section titled “—Adjusted EBITDA” for information regarding our use of adjusted

EBITDA and a reconciliation of adjusted EBITDA to net income (loss).

Consolidated Balance Sheet Data :

Cash, cash equivalents, and marketable securities
Working capital (1)

Total assets

Total long-term debt

Retained earnings (accumulated deficit)

Total stockholders’ equity (deficit)

As of December 31,

2015

2014

2013

2012

2011

(in thousands)

$

664,478   $

195,626   $

81,728   $

13,148   $

847,157  

1,519,066  

—  

242,919  

981,451  

101,860  

633,051  

132,589  

67,242  

75,262  

14,457  

230,774  

10,710  

(64,535)  

(63,466)  

17,477  

51,699  

8,439  

(12,913)  

(12,707)  

14,788

15,073

22,139

739

(8,697)

(8,627)

(1)

In November 2015, the FASB issued ASU 2015-17, Balance Sheet Classification of Deferred Taxes . This ASU requires that all deferred tax assets and liabilities, along with any related
valuation  allowance,  be  classified  as  noncurrent  on  the  balance  sheet.  We  early  adopted  this  accounting  standard  retrospectively  in  the  fourth  quarter  of  2015  and  reclassified  all  our
current deferred tax assets to noncurrent deferred tax assets on our consolidated balance sheets for all periods presented.

Adjusted EBITDA

To supplement our consolidated financial statements presented in accordance with U.S. GAAP, we monitor and consider adjusted EBITDA, which is a non-
GAAP  financial  measure.  This  non-GAAP  financial  measure  is  not  based  on  any  standardized  methodology  prescribed  by  U.S.  GAAP  and  is  not  necessarily
comparable to similarly-titled measures presented by other companies.

We  define  adjusted  EBITDA  as  net  income  (loss)  adjusted  to  exclude  the  impact  of  the  Fitbit  Force  recall,  stock-based  compensation  expense,  the
revaluation  of  our  redeemable  convertible  preferred  stock  warrant  liability  prior  to  our  initial  public  offering,  depreciation  and  intangible  assets  amortization,
change in contingent consideration, interest expense, net, and income tax expense.

We use adjusted EBITDA to evaluate our operating performance and trends and make planning decisions. We believe that adjusted EBITDA helps identify
underlying trends in our business that could otherwise be masked by the effect of the expenses and other items that we exclude in adjusted EBITDA. In particular,
the exclusion of the effect of the Fitbit Force recall, which primarily impacted our results for the fourth quarter of 2013, the first quarter of 2014, and the fourth
quarter  of  2015,  discussed  in  “Management’s  Discussion  and  Analysis  of  Financial  Condition  and  Results  of  Operations—Fitbit  Force  Product  Recall”  in  this
Annual  Report  on  Form  10-K  and  certain  expenses  in  calculating  adjusted  EBITDA  can  provide  a  useful  measure  for  period-to-period  comparisons  of  our
business. Accordingly, we believe that adjusted EBITDA provides useful information to investors and others in understanding and evaluating our operating results,
enhancing the overall understanding of our past performance and future prospects, and allowing for greater transparency with respect to a key financial metric used
by our management in its financial and operational decision-making.

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Adjusted EBITDA is not prepared in accordance with U.S. GAAP, and should not be considered in isolation of, or as an alternative to, measures prepared in
accordance with U.S. GAAP. There are a number of limitations related to the use of this non-GAAP financial measure rather than net income (loss), which is the
nearest U.S. GAAP equivalent of adjusted EBITDA. Some of these limitations are:

•

•

•

•

•

•

•
•

adjusted EBITDA excludes the Fitbit Force recall, which primarily impacted our results for the fourth quarter of 2013, the first quarter of 2014, and the
fourth quarter of 2015;
adjusted EBITDA excludes stock-based compensation expense, which has recently been, and will continue to be for the foreseeable future, a significant
recurring expense for our business and an important part of our compensation strategy;
adjusted EBITDA excludes the revaluation of our redeemable convertible preferred stock warrant liability, which was a historically recurring non-cash
charge prior to our initial public offering, but will not recur in the periods following the completion of our initial public offering;
adjusted  EBITDA  excludes  depreciation  and  intangible  assets  amortization  expense  and,  although  these  are  non-cash  expenses,  the  assets  being
depreciated and amortized may have to be replaced in the future;
adjusted  EBITDA  excludes  change  in  contingent  consideration,  a  non-recurring  benefit  received  for  the  reversal  of  a  contingent  liability  incurred  in
connection with the acquisition of FitStar;
adjusted  EBITDA  does  not  reflect  interest  expense,  or  the  cash  requirements  necessary  to  service  interest  or  principal  payments  on  our  debt,  which
reduces cash available to us;
adjusted EBITDA does not reflect income tax payments that reduce cash available to us; and
the expenses  and other  items  that  we exclude  in our calculation  of adjusted  EBITDA may differ  from  the expenses  and other  items,  if any, that  other
companies may exclude from adjusted EBITDA when they report their operating results.

Because  of  these  limitations,  adjusted  EBITDA  should  be  considered  along  with  other  operating  and  financial  performance  measures  presented  in

accordance with U.S. GAAP.

The following table presents a reconciliation of net income (loss) to adjusted EBITDA:

Net income (loss)

Impact of Fitbit Force recall

Stock-based compensation expense

Revaluation of redeemable convertible preferred stock warrant liability

Depreciation and amortization

Change in contingent consideration

Interest expense, net

Income tax expense

Adjusted EBITDA

Year Ended December 31,

2015

2014

2013

2012

2011

(in thousands)

$

175,677   $

131,777   $

(51,622)   $

(4,216)   $

(4,317)

(10,171)  

41,024  

56,655  

21,107  

(7,704)  

1,019  

112,272  

22,840  

6,804  

13,272  

6,131  

—  

2,222  

7,996  

84,650  

620  

3,370  

3,012  

—  

1,082  

37,937  

—  

132  

37  

1,179  

—  

176  

291  

—

60

13

202

—

15

4

$

389,879   $

191,042   $

79,049   $

(2,401)   $

(4,023)

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

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with the section titled “Selected
Financial Data” and our consolidated financial statements and related notes included elsewhere in this Annual Report on Form 10-K. This discussion contains
forward-looking  statements  that  involve  risks  and  uncertainties.  Our  actual  results  could  differ  materially  from  such  forward-looking  statements.  Factors  that
could cause or contribute to those differences include, but are not limited to, those identified below and those discussed above in the section titled “Risk Factors”
included elsewhere in this Report.

Overview

Our mission is to help people lead healthier, more active lives by empowering them with data, inspiration, and guidance to reach their goals.

Fitbit is transforming the way millions of people around the world achieve their health and fitness goals. The Fitbit platform combines connected health and
fitness devices with software and services, including an online dashboard and mobile apps, data analytics, motivational and social tools, personalized insights, and
virtual  coaching  through  customized  fitness  plans  and  interactive  workouts.  Our  platform  helps  people  become  more  active,  exercise  more,  sleep  better,  eat
smarter,  and  manage  their  weight.  Fitbit  appeals  to  a  large,  mainstream  health  and  fitness  market  by  addressing  these  key  needs  with  advanced  technology
embedded in simple-to-use products and services. We pioneered the connected health and fitness market starting in 2007, and since then, we have grown into a
leading global health and fitness brand.

The core of our platform is our family of eight wearable connected health and fitness trackers. These wrist-based and “clippable” devices automatically track
users’ daily steps, calories burned, distance traveled, and active minutes and display real-time feedback to encourage them to become more active in their daily
lives. Most of our trackers also measure floors climbed, sleep duration and quality, and our more advanced products track heart rate and GPS-based information
such as speed, distance, and exercise routes. Several of our devices also feature deeper integration with smartphones, such as the ability to receive call and text
notifications and control music. In addition, we offer a Wi-Fi connected scale that records weight, body fat, and BMI. We are able to enhance the functionality and
features of our connected devices through wireless updates. Our platform also includes our online dashboard and mobile apps, which wirelessly and automatically
sync  with  our  devices.  Our  platform  allows  our  users  to  see  trends  and  achievements,  access  motivational  tools  such  as  virtual  badges  and  real-time  progress
notifications, and connect, support, and compete with friends and family. We intend to continue to significantly invest in research and development in order to
enhance our products and services.

We design our products primarily in California and outsource the production of our devices to contract manufacturers, which are responsible for procuring
most of the components used in the manufacturing of our products from third-party suppliers. We also outsource packaging and fulfillment to third-party logistics
providers around the world.

We generate substantially all of our revenue from sales of our connected health and fitness devices. We sell our products in over 50,000 retail stores and in
63 countries, through our retailers’ websites, through our online store at Fitbit.com, and as part of our corporate wellness offering. We seek to build global brand
awareness,  increase  product  adoption,  and  drive  sales  through  our  sales  and  marketing  efforts.  We  intend  to  continue  to  significantly  invest  in  these  sales  and
marketing efforts in the future.

Our  growth  will  depend  in  part  on  the  adoption  and  sale  of  our  products  and  services  in  international  markets.  In  recent  periods,  we  have  experienced
significant  growth  in  international  sales.  In  2015,  26%  of  our  revenue,  based  on  ship-to  destinations,  was  from  sales  outside  of  the  United  States.  We  believe
international markets represent a significant growth opportunity for us. We intend to expand sales of our products and services in new and existing international
markets  by  expanding  our  distribution  channels  through  select  retailers  and  strategic  partnerships.  We  also  intend  to  continue  to  invest  across  all  geographic
regions  in  sales  and  marketing  efforts,  including  increasing  our  global  advertising  efforts,  and  in  infrastructure  and  personnel  to  support  our  international
expansion, including establishing additional sales offices globally. Our international expansion efforts have resulted and will continue to result in increased costs
and are subject to a variety of risks, including increased competition, uncertain enforcement of our intellectual property rights, more complex distribution logistics,
and the complexity of compliance with foreign laws and regulations.

We have grown significantly since our inception. The following are financial highlights for 2015, 2014, and 2013:

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Revenue

Net income (loss)

Adjusted EBITDA

Devices sold

2015

For the Year Ended
December 31,

2014

(in thousands)

$

$

$

1,857,998   $

175,677   $

389,879   $

21,355  

745,433   $

131,777   $

191,042   $

10,904  

2013

271,087

(51,622)

79,049

4,476

See  the  section  titled  “Selected  Financial  Data—Adjusted  EBITDA”  in  this  Annual  Report  on  Form  10-K  for  information  regarding  our  use  of  adjusted
EBITDA and a reconciliation of adjusted EBITDA to net income (loss). See the section titled “—Key Business Metrics” in this Annual Report on Form 10-K for
additional information regarding devices sold.

Key Business Metrics

In  addition  to  the  measures  presented  in  our  consolidated  financial  statements,  we  use  the  following  key  metrics  to  evaluate  our  business,  measure  our

performance, develop financial forecasts, and make strategic decisions.

Devices sold

Active users

Registered device users

Adjusted EBITDA

Devices Sold

As of or For the Year Ended
December 31,

2015

2014

(in thousands)

2013

21,355  

16,903  

29,033  

10,904  

6,700  

11,068  

$

389,879   $

191,042   $

4,476

2,570

3,534

79,049

Devices sold represents the number of connected health and fitness devices that are sold during a period, net of expected returns and provisions for the Fitbit
Force recall. Devices sold does not include sales of accessories. Growth rates between devices sold and revenue are not necessarily correlated because our revenue
is affected by other variables, such as the types of products sold during the period, the introduction of new product offerings that have different U.S. MSRPs, and
sales of accessories and premium services.

Active Users

We define an active user as a registered Fitbit user who, within the three months prior to the date of measurement, has (a) an active Fitbit Premium or FitStar
subscription, (b) paired a health and fitness tracker or Aria scale with his or her Fitbit account, or (c) logged at least 100 steps with a health and fitness tracker or a
weight measurement using an Aria scale. The number of active users is based on subscription and device activity associated with each Fitbit user account and,
accordingly, a user with multiple devices synced to his or her Fitbit account is counted as only one active user regardless of the number of devices that such user
syncs to the account. The number of active users excludes users who have downloaded our mobile apps without purchasing any of our connected health and fitness
devices and users who have downloaded free versions of FitStar but are not subscribers to its paid premium offerings.

We believe that the active user metric is an indicator of the size and growth of our community, but currently we do not believe that it has a direct effect on
our revenue and operating results since substantially all of our revenue to date has been derived from sales of our connected health and fitness devices. The active
user metric is not necessarily an indicator of the actual size and future growth of our user community, who we believe to be the most likely to purchase additional
products and services on our platform, such as our subscription-based premium services. Accordingly, the active user metric only represents the potential size or
growth of our engaged user community. The active user metric is not a measure of the levels of continuous engagement of our individual users over periods of time
and  does  not  track  the  number  of  individual  users  that  have  become  inactive  on  our  platform  in  a  period.  Instead,  the  active  user  metric,  as  of  any  given
measurement date, represents an aggregate of both existing and new users who have met the definition of an “active user” on one occasion during the previous
three months, whether that user became newly active or was an existing active user from a prior period. Accordingly, this metric does not take into account the
extent to which

39

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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inactive users are offset by new active users or how long an individual user remains active. Given the recent rapid growth of the number of users on our platform, it
may be difficult to discern whether the growth in active users is the result of retaining existing users or adding new users onto our platform.

Therefore,  you  should  not  rely  on  our  active  user  metric  as  an  indicator  of  the  level  of  user  retention  of  individual  users  in  the  future,  continual  user
engagement or of future payments, nor the potential size and growth of our user community as an indicator for other revenue opportunities, such as subscription-
based premium services and our corporate wellness offerings.

Registered Device Users

A user becomes a registered device user on the first day the user: (a) becomes a paid subscriber of Fitbit Premium, (b) becomes a paid subscriber to FitStar or
(c) uses a health and fitness tracker or Aria scale with his or her Fitbit account. The user is counted only once on the first day of becoming a registered device
user. The number of registered device users excludes users who have only downloaded our mobile apps without pairing a health and fitness tracker or Aria scale
and users who have only downloaded free versions of FitStar but are not subscribers to its paid premium offerings.

We  believe  that  the  registered  device  user  metric  is  an  indicator  of  the  potential  size  and  growth  of  our  paid  user  community  but  is  not  necessarily  an
indicator  of  the  actual  size  and  future  growth  of  our  paid  user  community.  The  registered  device  user  metric  only  reflects  users  that  have  historically  used  our
devices or paid for a subscription to our services and it is not necessarily an indicator of future payments by users. The registered device user metric also does not
provide  information  regarding  the  individual  users  that  no  longer  pay  us,  how  frequently  users  pay  us,  or  how  long  a  user  remains  paying.  Furthermore,  the
registered device user metric is not a measure of the levels of continuous engagement of our individual users over periods of time and does not track the number of
individual users that have become inactive on our platform in a period.

Therefore, you should not rely on our registered device user metric as an indicator of the level of retention of individual users in the future, continual user
engagement,  future  payment  by  users,  nor  the  potential  size  and  growth  of  our  user  community  as  an  indicator  for  other  revenue  opportunities,  such  as
subscription-based premium services and our corporate wellness offerings.

Adjusted EBITDA

We  define  adjusted  EBITDA  as  net  income  (loss)  adjusted  to  exclude  the  impact  of  the  Fitbit  Force  recall,  stock-based  compensation  expense,  the
revaluation  of  our  redeemable  convertible  preferred  stock  warrant  liability,  depreciation  and  intangible  assets  amortization,  change  in  contingent  consideration,
interest expense and income tax expense. See the section titled “Selected Financial Data—Adjusted EBITDA” in this Annual Report on Form 10-K for information
regarding our use of adjusted EBITDA and a reconciliation of adjusted EBITDA to net income (loss).

Factors Affecting Our Future Performance

Product Introductions

To date, product introductions have had a significant, positive impact on our operating results due primarily to increases in revenue associated with sales of
the  new  products  in  the  quarters  following  their  introduction.  Since  the  beginning  of  2013,  we  have  released  six  new  connected  health  and  fitness  devices,
including the Fitbit Charge, Fitbit Charge HR, and Fitbit Surge, which were released in the fourth quarter of 2014 and were the primary drivers of our revenue
growth in 2015. We announced Fitbit Blaze in January 2016 and Fitbit Alta in February 2016. We expect that the impact of these new product introductions on our
revenue  will  lessen  over time  and we cannot  assure  that  they  will have  a  similarly  positive  impact  in 2016. Furthermore,  new product  introductions  could also
adversely impact the sales of our existing products to retailers and users. New products may also have higher costs associated with them, as was the case for new
products introduced in the fourth quarter of 2014, which could adversely affect our margins. In addition, we have incurred higher levels of sales and marketing
expenses accompanying each product introduction. In the future, we intend to continue to release new products and enhance our existing products, and we expect
that our operating results will be impacted by these releases.

International Expansion

Our products  are  sold in  63 countries,  and  we have  experienced  significant  growth in  international  sales  in  recent  periods.  In  2015, 26% of  our revenue,
based on ship-to destinations, was from sales outside of the United States. We believe our global opportunity is significant, and to address this opportunity, we
intend to continue to invest in sales and marketing efforts, distribution channels, and infrastructure and personnel to support our international expansion, including
establishing  additional  sales  offices  globally.  Our  growth  will  depend  in  part  on  the  adoption  and  sales  of  our  products  and  services  in  international  markets.
Moreover,

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our international expansion efforts have resulted and will continue to result in increased costs and are subject to a variety of risks, including increased competition,
uncertain enforcement of our intellectual property rights, more complex distribution logistics, and the complexity of compliance with foreign laws and regulations.

Category Adoption and Market Growth

Consumer  spend  on  the  wearable  devices  market  is  growing  faster  than  on  any  segment  in  the  global  consumer  electronics  market.  As  a  pioneer  of  this
market  and  a  leading  connected  health  and  fitness  platform,  we  believe  we  have  contributed  significantly  to  the  market’s  growth.  However,  our  future  growth
depends in part on the continued consumer adoption of wearable devices as a means to improve health and fitness and the growth of this market.

Competition

The market for connected health and fitness devices is both evolving and competitive. The connected health and fitness devices category has a multitude of
participants including specialized consumer electronics companies such as Garmin, Jawbone, and Misfit, traditional health and fitness companies such as adidas
and  Under  Armour,  and  traditional  watch  companies  such  as  Fossil  and  Movado.  In  addition,  many  large,  broad-based  consumer  electronics  companies  either
compete  in  our  market  or  adjacent  markets  or  have  announced  plans  to  do  so,  including  Apple,  Google,  LG,  Microsoft,  and  Samsung.  For  example,  Apple
introduced  the  Apple  Watch  smartwatch  in  2015,  with  broad-based  functionalities,  including  some  health  and  fitness  tracking  capabilities,  and  has  sold  a
significant volume of its smartwatches since introduction. We also face competition from manufacturers of lower-cost devices, such as Xiaomi and its Mi Band
device. In addition, we compete with a wide range of stand-alone health and fitness-related mobile apps that can be purchased or downloaded through mobile app
stores.

We believe we compete favorably with our competitors on the basis of these factors as a result of our leading market position and global brand, advanced
and proprietary sensor technologies, software-driven online dashboard and mobile apps, our motivational and social tools, and our premium software offerings. By
offering  a  broad  range  of  products  spanning  styles  and  affordable  price  points  and  cross-platform  compatibility,  we  empower  a  wide  range  of  individuals  with
different fitness routines and goals that are difficult for other competitors to address.

Seasonality

Historically, we have experienced higher revenue in the fourth quarter compared to other quarters due in large part to seasonal holiday demand. For example,
in 2015 and 2014, our fourth quarter represented 38% and 50% of our annual revenue, respectively. We also incur higher sales and marketing expenses during
these periods.

Investing in Growth

We  intend  to  continue  to  make  investments  across  our  business  to  drive  our  growth.  We  intend  to  continue  to  invest  significant  resources  in  our  sales,
marketing, advertising, and brand management efforts to drive demand for our products and services globally. We also intend to continue to invest in research and
development to enable us to introduce innovative new products and services and enhance existing products and services. We may also make acquisitions to further
drive  our  growth  . For  example,  we  acquired  FitStar  in  March  2015  to  enhance  our  software  and  services  offerings  through  interactive  video-based  exercise
experiences on mobile devices and computers.

Furthermore, we intend to increase our focus on building relationships with employers and wellness providers. The corporate wellness market for connected
health and fitness devices is new and is subject to a variety of challenges, including whether employers will continue to invest in such programs, long sales cycles,
and substantial upfront sales costs. In each of 2015, 2014, and 2013, we derived less than 10% of our revenue from our corporate wellness offerings. However, we
believe that as healthcare costs continue to rise and as employers continue to seek ways to keep their employees active, engaged, and productive, more employers
will  implement  or  enhance  their  corporate  wellness  programs.  In  order  to  grow  our  corporate  wellness  presence,  we  intend  to  enhance  our  corporate  wellness
offering as well as expand our sales team focused on this market.

Components of our Operating Results

Revenue

We generate substantially all of our revenue from the sale of our connected health and fitness devices and accessories. We also generate a small portion of

our revenue from our subscription-based premium services.

Cost of Revenue

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Cost of revenue consists of product costs, including costs of contract manufacturers for production, shipping and handling costs, warranty replacement costs,
packaging,  costs  related  to  the  Fitbit  Force  recall,  fulfillment  costs,  manufacturing  and  tooling  equipment  depreciation,  warehousing  costs,  excess  and  obsolete
inventory  write-downs,  amortization  of  developed  technology  intangible  assets  acquired,  and  certain  allocated  costs  related  to  management,  facilities,  and
personnel-related  expenses  and other  expenses  associated  with  supply chain  logistics.  Personnel-related  expenses  include  salaries,  bonuses, benefits,  and stock-
based compensation.

Operating Expenses

Operating expenses consist of research and development, sales and marketing, general and administrative expenses, and change in contingent consideration.

Research  and  Development  .  Research  and  development  expenses  consist  primarily  of  personnel-related  expenses,  consulting  and  contractor  expenses,

tooling and prototype materials, and allocated overhead costs.

Substantially all of our research and development expenses are related to developing new products and services and improving our existing products and
services.  To  date,  research  and  development  expenses  have  been  expensed  as  incurred,  because  the  period  between  achieving  technological  feasibility  and  the
release of products and services for sale has been short and development costs qualifying for capitalization have been insignificant.

We expect our research and development expenses to increase in absolute dollars as we continue to make significant investments in developing new products

and services and enhancing existing products and services.

Sales  and  Marketing.  Sales  and  marketing  expenses  represent  the  largest  component  of  our  operating  expenses  and  consist  primarily  of  advertising  and
marketing  promotions  of  our  products  and  services  and  personnel-related  expenses,  as  well  as  sales  incentives,  trade  show  and  event  costs,  sponsorship  costs,
consulting and contractor expenses, travel, POP display expenses and related amortization, and allocated overhead costs.

General  and  Administrative  .  General  and  administrative  expenses  consist  of  personnel-related  expenses  for  our  finance,  legal,  human  resources,  and
administrative personnel, as well as the costs of professional services, any allocated overhead, information technology, amortization of intangible assets acquired,
and other administrative expenses. We expect our general and administrative expenses to increase in absolute dollars due to the anticipated growth of our business
and related infrastructure as well as legal, accounting, insurance, investor relations, and other costs associated with becoming a public company.

Change  in  contingent  consideration  .  The  change  in  contingent  consideration  relates  to  the  benefit  received  from  the  reversal  of  a  contingent  liability
incurred in connection with the acquisition of FitStar. See note 15 of the notes to our consolidated financial statements included elsewhere in this Annual Report on
Form 10-K for additional information.

Interest Expense, Net

Interest expense, net consists of interest expense associated with our debt financing arrangements, amortization of debt issuance costs, and interest income

earned on our cash and cash equivalents.

Other Expense, Net

Other expense, net consists of mark-to-market  adjustments for the revaluation of our redeemable convertible preferred stock warrant liability prior to our

initial public offering and foreign currency gains and losses.

Income Tax Expense

We are subject to income taxes in the United States and foreign jurisdictions in which we do business. These foreign jurisdictions have statutory tax rates
different  from  those  in  the  United  States.  Accordingly,  our  effective  tax  rates  will  vary  depending  on  the  relative  proportion  of  foreign  to  U.S.  income,  the
utilization of foreign tax credits, and changes in tax laws.

Fitbit Force Product Recall

In  March  2014,  we  recalled  the  Fitbit  Force  after  some  of  our  users  experienced  allergic  reactions  to  adhesives  in  the  wristband.  This  recall  primarily
impacted our results for the fourth quarter of 2013, the first quarter of 2014, and the fourth quarter of 2015. We established a reserve for the Fitbit Force recall after
considering various factors including cost estimates for customer returns,

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logistics and handling fees for managing product returns and processing refunds, obsolescence of on-hand inventory, cancellation charges for existing purchase
commitments,  rework  of  component  inventory  with  the  contract  manufacturer,  legal  fees  and  settlement  costs,  and  write-offs  of  tooling  and  manufacturing
equipment.

The recall had the following effect on our income (loss) before income taxes:

Reduction of revenue

Incremental (benefit to) cost of revenue

Impact on gross profit

Incremental general and administrative expenses (benefit)

Impact on income (loss) before income taxes

Year Ended December 31,

2015

2014

(in thousands)

2013

$

$

—   $

(8,112)   $

(5,755)  

(5,755)  

(4,416)  

11,339  

(19,451)  

3,389  

10,171   $

(22,840)   $

(30,607)

51,205

(81,812)

2,838

(84,650)

During  2013,  incremental  cost  of  revenue  related  to  the  recall  included  charges  to  the  recall  reserve  of  $49.5  million  and  a  write-off  of  tooling  and
manufacturing equipment of $1.7 million, which was recognized as incurred. During 2014, general and administrative expenses included legal fees of $2.9 million,
which were recognized as incurred, and legal settlement costs of $0.5 million, which were included in the Fitbit Force recall reserve. During 2015, a benefit to
legal expenses of $4.4 million was recognized in general and administrative costs, of which $1.2 million was previously included in the Fitbit Force recall reserve.
See note 6 of the notes to our consolidated financial statements included elsewhere in this Annual Report on Form 10-K for additional information.

Operating Results

The  following  tables  set  forth  the  components  of  our  consolidated  statements  of  operations  for  each  of  the  periods  presented  and  as  a  percentage  of  our

revenue for those periods. The period-to-period comparison of operating results is not necessarily indicative of results for future periods.

Consolidated Statements of Operations Data :

Revenue
Cost of revenue (2)

Gross profit

Operating expenses:

Research and development (2)
Sales and marketing (2)
General and administrative (2)

Change in contingent consideration

Total operating expenses

Operating income (loss)

Interest expense, net

Other income expense, net

Income (loss) before income taxes

Income tax expense

Net income (loss)

Year Ended December 31,

2015 (1)

2014 (1)

(in thousands)

2013 (1)

$

1,857,998   $

745,433   $

956,935  

901,063  

150,035  

332,741  

77,793  

(7,704)  

552,865  

348,198  

(1,019)  

(59,230)  

287,949  

112,272  

387,776  

357,657  

54,167  

112,005  

33,556  

—  

199,728  

157,929  

(2,222)  

(15,934)  

139,773  

7,996  

$

175,677   $

131,777   $

271,087

210,836

60,251

27,873

26,847

14,485

—

69,205

(8,954)

(1,082)

(3,649)

(13,685)

37,937

(51,622)

(1)

In March 2014, we recalled the Fitbit Force. See the section titled “—Fitbit Force Product Recall” for additional information. The recall, which primarily affected our results for the fourth
quarter of 2013, the first quarter of 2014, and the fourth quarter of 2015 and had the following effect on our income (loss) before income taxes:

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Reduction of revenue

Incremental (benefit to) cost of revenue

Impact on gross profit

Incremental general and administrative expenses (benefit)

Impact on income (loss) before income taxes

(2)

Includes stock-based compensation expense as follows:

Cost of revenue 

Research and development

Sales and marketing

General and administrative

Total

Consolidated Statements of Operations Data :

Revenue

Cost of revenue

Gross profit

Operating expenses:

Research and development

Sales and marketing

General and administrative

Change in contingent consideration

Total operating expenses

Operating income (loss)

Interest expense, net

Other expense, net

Income (loss) before income taxes

Income tax expense

Net income (loss)

$

$

$

$

Year Ended December 31,

2015

2014

(in thousands)

2013

—   $

(8,112)   $

(5,755)  

(5,755)  

(4,416)  

11,339  

(19,451)  

3,389  

10,171   $

(22,840)   $

(30,607)

51,205

(81,812)

2,838

(84,650)

Year Ended December 31,

2015

2014

(in thousands)

2013

4,739   $

890   $

18,251  

7,419  

10,615  

2,350  

1,295  

2,269  

41,024   $

6,804   $

Year Ended December 31,

37

288

204

91

620

  2015 (1)   

  2014 (1)   

  2013 (1)   

(as a percentage of revenue)

100%  

100%  

100 %

52

48

8

18

4

—  

30

18

—  

(3)

15

6

9%  

52

48

7

15

5

—  

27

21

—  

(2)

19

1

18%  

78

22

10

10

5

—

25

(3)

—

(2)

(5)

14

(19)%

(1)

In March 2014, we recalled the Fitbit Force. See the section titled “—Fitbit Force Product Recall” for additional information. The recall, which primarily affected our results for the fourth
quarter of 2013, the first quarter of 2014, and the fourth quarter of 2015 and had the following effect on our income (loss) before income taxes:

Incremental (benefit to) cost of revenue

Impact on gross profit

Incremental general and administrative expenses

Impact on income (loss) before taxes

Year Ended December 31,

2015

2014

2013

(as a percentage of revenue)
2 %  

(1)%  

1
—  
1 %  

(3)
—  
(3)%  

19 %

(30)

1

(31)%

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Comparison of 2015 and 2014

Revenue

Year Ended December 31,

Change

2015

2014 (1)

$

%

(in thousands)

Revenue
1,112,565  
(1) The Fitbit Force recall resulted in a decrease to revenue of $8.1 million for 2014. See the section titled “—Fitbit Force Product Recall” for additional information.

1,857,998   $

745,433   $

$

149%

Revenue increased $1,113 million, or 149%, from $745.4 million for 2014 to $1,858 million for 2015. A substantial majority of the increase was due to an
increase  in  the  number  of  devices  sold  from  10.9  million  in  2014  to  21.4  million  in  2015,  including  $1,427  million  in  revenue  in  2015  from  new  products
introduced in the fourth quarter of 2014. Revenue also increased due to an increase in the average selling price of our devices by 29% from $66 per device for 2014
to $85 per device for 2015, due to new products introduced in the fourth quarter of 2014. The increase in revenue includes the negative impact of foreign currency
exchange rates of $56.3 million, net of the impact of foreign currency hedges. U.S. revenue, based on ship-to destinations, increased $818.6 million, or 146%, from
$562.5  million  for  2014  to  $1,381.1  million  2015,  and  international  revenue,  based  on  ship-to  destinations,  increased  by  $293.9  million,  or  161%,  from
$182.9 million for 2014 to $476.8 million for 2015.

Cost of Revenue

Cost of revenue

Gross profit

Year Ended December 31,

Change

2015 (1)

2014 (1)

$

%

(dollars in thousands)

$

956,935

  $

387,776

  $

901,063

357,657

569,159  

543,406  

147%

152%

Gross margin
(1) The Fitbit Force recall resulted in a benefit to cost of revenue of $5.8 million and an increase to cost of revenue of $11.3 million for 2015 and 2014, respectively, an increase in gross profit
of $5.8 million and a decrease in gross profit of $19.5 million for 2015 and 2014, respectively, and a negligible increase in gross margin and a decrease in gross margin of 3 percentage
points for 2015 and 2014, respectively. See the section titled “—Fitbit Force Product Recall” for additional information.

48%    

48%  

Cost of revenue increased $569.2 million, or 147%, from $387.8 million for 2014 to $956.9 million for 2015. The increase was primarily due to the increase
in  the  number  of  devices  sold  and  an  increase  in  average  cost  per  device  related  to  new  products  introduced  in  the  fourth  quarter  of  2014.  In  addition,  we
recognized a $5.8 million benefit to cost of revenue for 2015 compared to an $11.3 million increase to cost of revenue for 2014 in connection with the recall of the
Fitbit Force.

Gross  margin  was  48%  for  both  2015  and  2014.  Gross  margin  for  2015  was  primarily  affected  by  the  aforementioned  impact  of  lower  margins  on  new
products introduced in the fourth quarter  of 2014 and the negative impact  of foreign currency exchange  rates on product pricing, offset by a reduction in costs
incurred in connection with the recall of the Fitbit Force and to a lesser extent, reduced estimated costs of warranty claims.

Research and Development

Research and development

$

150,035   $

54,167   $

95,868  

177%

Research and development expenses increased $95.9 million, or 177%, from $54.2 million for 2014 to $150.0 million for 2015. The increase was primarily
due to a $64.3 million increase in personnel-related expenses due to a 176% increase in headcount, a $14.5 million increase in consultant and contractor expenses,
a $6.8 million increase in tooling and prototype materials, a $5.3 million increase in allocated overhead, and a $2.2 million increase in travel expenses.

Year Ended December 31,

Change

2015

2014

$

%

(in thousands)

We expect research and development expenses as a percentage of revenue to increase in 2016.

Sales and Marketing

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Year Ended December 31,

Change

2015

2014

$

%

(in thousands)

Sales and marketing

$

332,741   $

112,005   $

220,736  

197%

Sales and marketing expenses increased $220.7 million, or 197%, from $112.0 million for 2014 to $332.7 million for 2015. The increase was primarily due
to a $178.2 million increase in expenses associated with advertising costs and other marketing programs, driven by the launch of media campaigns during 2015. In
addition, consulting and contractor expenses increased $21.2 million, and personnel-related expenses increased $20.0 million due to a 96% increase in headcount.

We expect sales and marketing expenses as a percentage of revenue to increase from or remain relatively consistent in 2016 from 2015.

General and Administrative

Year Ended December 31,

Change

2015

2014 (1)

$

%

(in thousands)

General and administrative
132%
(1) The Fitbit Force recall resulted in a benefit to general and administrative expenses of $4.4 million and an increase to general and administrative expenses of $3.4 million for 2015 and

77,793   $

33,556   $

44,237  

$

2014, respectively. See the section titled “—Fitbit Force Product Recall” for additional information.

General and administrative expenses increased $44.2 million, or 132%, from $33.6 million for 2014 to $77.8 million for 2015. The increase was primarily
due to a $23.8 million increase in personnel-related expenses due to a 141% increase in headcount, an $8.7 million increase in consulting and contractor expenses,
a $7.8 million increase in other administrative expenses and taxes, a $0.9 million increase in recruiting expenses, a $0.8 million increase in allocated overhead, and
a $0.7 million increase in legal fees. The $0.7 million increase in legal fees is net of a benefit of $4.4 million related to the Fitbit Force recall.

We expect general and administrative expenses as a percentage of revenue in 2016 to be relatively consistent with 2015.

Change in Contingent Consideration

Change in contingent consideration

$

(7,704)   $

—   $

(7,704)

The change in contingent consideration benefit of $7.7 million for 2015 is a result of our re-measurement of the contingent consideration liability related to
our acquisition of FitStar. This is a non-recurring benefit. There was no contingent liability as of December 31, 2015 as the terms of the contingent consideration
have expired.

Year Ended December 31,

2015

2014

(in thousands)

Change

$

Interest and Other Expense, Net

Interest expense, net

Other expense, net

Year Ended December 31,

Change

2015

2014

$

%

$

(1,019)   $

(59,230)  

(in thousands)

(2,222)   $

(15,934)  

1,203  

(43,296)  

(54)%

272 %

Interest expense, net decreased $1.2 million, or 54%, from $2.2 million for 2014 to $1.0 million for 2015. The decrease was primarily due to a decrease in
2015 in average indebtedness outstanding compared to 2014. Other expense, net, increased $43.3 million, from $15.9 million for 2014 to $59.2 million for 2015.
The increase was primarily due to an increase of $43.4 million in charges related to the revaluation of our convertible preferred stock warrant liability from $13.3
million for 2014 to $56.7 million for 2015.

Income Tax Expense

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Year Ended December 31,

Change

2015

2014

$

%

(in thousands)

Income tax expense

$

112,272   $

7,996   $

104,276  

1,304%

Income tax expense increased $104.3 million from $8.0 million for 2014 to $112.3 million for 2015. Our effective tax rate was 39.0% and 5.7% for 2015 and
2014, respectively. The increase in income tax expense and effective tax rate for 2015 was primarily due to increased earnings during this period. The low effective
tax rate in 2014 was due to a $51.3 million tax benefit related to the release of a valuation allowance on deferred tax assets related to accruals, which includes the
impact of costs incurred in 2013 in connection with the Fitbit Force recall, and tax credits from prior years. This non-recurring tax benefit is offset by income tax
expense on earnings in 2014 and a downward revaluation of our deferred tax assets due to a change in state tax law enacted in 2014.

Comparison of 2014 and 2013

Revenue

Year Ended December 31,

Change

2014 (1)

2013 (1)

$

%

(in thousands)

175%
Revenue
(1) The  Fitbit  Force  recall  resulted  in  a  decrease  to  revenue  of  $30.6  million  and  $8.1  million  in  2013  and  2014,  respectively.  See  the  section  titled  “—Fitbit  Force  Product  Recall”  for

745,433   $

271,087   $

474,346  

$

additional information.

Revenue increased $474.3 million, or 175%, from $271.1 million for 2013 to $745.4 million for 2014. A substantial majority of the increase was due to an
increase in the number of devices sold from 4.5 million in 2013 to 10.9 million in 2014, including $151.9 million from new products that we began selling in 2014.
U.S. revenue, based on ship-to destinations, increased $356.5 million, or 173%, from $206.1 million for 2013 to $562.6 million for 2014 and international revenue,
based on ship-to destinations, increased by $117.9 million, or 181%, from $65.0 million for 2013 to $182.9 million for 2014.

Cost of Revenue

Cost of revenue

Gross profit

Year Ended December 31,

Change

2014 (1)

2013 (1)

$

%

(dollars in thousands)

$

387,776

  $

210,836

  $

357,657

60,251

176,940  

297,406  

84%

494%

Gross margin
(1) The  Fitbit  Force  recall  resulted  in  an  increase  to  cost  of  revenue  of  $51.2  million  and  $11.3  million  in  2013  and  2014,  respectively,  a  decrease  in  gross  profit  of  $81.8  million  and
$19.5 million in 2013 and 2014, respectively, and a decrease of 30 percentage points and 3 percentage points in gross margin in 2013 and 2014, respectively. See the section titled “—
Fitbit Force Product Recall” for additional information.

22%    

48%  

Cost of revenue increased $176.9 million, or 84%, from $210.8 million for 2013 to $387.8 million for 2014. The increase was primarily due to the increase
in the number of devices sold, partially offset by a decrease of $39.9 million in costs, from $51.2 million in 2013 to $11.3 million in 2014, incurred in connection
with the recall of the Fitbit Force.

Gross margin increased to 48% for 2014 from 22% for 2013. The increase in gross margin was primarily due to a reduction in costs incurred in connection

with the recall of the Fitbit Force.

Research and Development

Research and development

$

54,167   $

27,873   $

26,294  

94%

Year Ended December 31,

Change

2014

2013

$

%

(in thousands)

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Research and development expenses increased $26.3 million, or 94%, from $27.9 million for 2013 to $54.2 million for 2014. The increase was primarily due
to a $13.9 million increase in personnel-related expenses due to a 110% increase in headcount, a $12.9 million increase in consultant and contractor expenses, and
a $3.6 million increase in allocated overhead, which was partially offset by a decrease in expenses for tooling and prototype materials of $4.2 million.

Sales and Marketing

Year Ended December 31,

Change

2014

2013

$

%

(in thousands)

Sales and marketing

$

112,005   $

26,847   $

85,158  

317%

Sales and marketing expenses increased $85.2 million, or 317%, from $26.8 million for 2013 to $112.0 million for 2014. The increase was primarily due to a
$66.9  million  increase  in  expenses  associated  with  advertising  costs  and  other  marketing  programs.  In  addition,  consulting  and  contractor  expenses  increased
$9.6 million and personnel-related expenses increased $9.3 million due to a 131% increase in headcount, partially offset by a decrease of $0.6 million of other
expenses.

General and Administrative

Year Ended December 31,

Change

     2014 (1)

     2013 (1)

$

%

(in thousands)

General and administrative

$

33,556   $

14,485   $

19,071  

132%

(1) The Fitbit Force recall resulted in an increase to general and administrative expenses of $2.8 million and $3.4 million in 2013 and 2014, respectively. See the section titled “—Fitbit Force

Product Recall” for additional information.

General and administrative expenses increased $19.1 million, or 132%, from $14.5 million for 2013 to $33.6 million for 2014. The increase was primarily
due to a $6.8 million increase in legal fees, a $5.7 million increase in personnel-related expenses due to a 64% increase in headcount, a $2.2 million increase in
allocated overhead, and a $2.7 million increase in consulting and contractor expenses.

Interest and Other Income (Expense), Net

Interest expense, net

Other expense, net

Year Ended December 31,

Change

2014

2013

$

%

$

(2,222)   $

(15,934)  

(in thousands)

(1,082)   $

(3,649)  

(1,140)  

(12,285)  

105%

337%

Interest expense, net increased $1.1 million, or 105%, from $1.1 million for 2013 to $2.2 million for 2014. The increase was primarily due to an increase in
2014 in average indebtedness outstanding compared to 2013. Other expense, net, increased $12.3 million, or 337%, from $3.6 million for 2013 to $15.9 million for
2014. The increase was primarily due to an increase of $9.9 million in charges related to the revaluation of our redeemable convertible preferred stock warrant
liability and a $2.5 million increase in foreign exchange loss.

Income Tax Expense

Year Ended December 31,

Change

2014

2013

$

%

(in thousands)

Income tax expense

$

7,996   $

37,937   $

(29,941)  

(79)%

Income tax expense decreased $29.9 million, or 79%, from $37.9 million for 2013 to $8.0 million for 2014. Our effective tax rate was 277.2% and 5.7% for
2013 and 2014, respectively. The decrease in income tax expense and effective tax rate in 2014 was due to a $51.3 million tax benefit related to the release of a
valuation  allowance  on deferred  tax  assets  for accruals,  which includes  the impact  of costs incurred  in 2013 in connection  with the Fitbit  Force recall,  and tax
credits from prior years. This non-recurring tax benefit is offset by income tax expense on earnings in 2014 and a downward revaluation of our deferred tax assets
due to a change in state tax law enacted in 2014.

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Liquidity and Capital Resources

Our  operations  have  been  financed  primarily  through  cash  flow  from  operating  activities,  the  net  proceeds  from  the  sale  of  our  equity  securities,  and

borrowings under our credit facilities. As of December 31, 2015, we had cash and cash equivalents of $535.8 million and marketable securities of $128.6 million.

In  June  2015,  we  completed  our  initial  public  offering  of  our  Class  A  common  stock.  We  received  net  proceeds  of  $420.9  million  after  deducting
underwriting  discounts  and  commissions  of  $26.9  million,  but  before  deducting  offering  expenses  of  approximately  $5.0  million.  In  November  2015,  we
completed  our  follow-on  offering  of  our  Class  A  common  stock.  We  received  net  proceeds  of  $84.4  million  after  deducting  underwriting  discounts  and
commissions of $2.6 million, but before deducting offering expenses of approximately $1.2 million.

Approximately 10% of our cash, cash equivalents, and marketable securities are held by our foreign subsidiaries. Our intent is to indefinitely reinvest our
earnings from foreign operations and current plans do not anticipate that we will need funds generated from foreign operations to fund our domestic operations. In
the event funds from foreign operations are needed to fund operations in the United States and if U.S. tax has not already been previously accrued, we would be
required to accrue and pay additional U.S. taxes in order to repatriate these funds.

We  believe  our  existing  cash  and  cash  equivalent  balances  and  cash  flow  from  operations  will  be  sufficient  to  meet  our  working  capital  and  capital
expenditure  needs for at least  the next 12 months. Our future capital  requirements  may vary materially  from those currently  planned and will depend on many
factors, including our rate of revenue growth, the timing and extent of spending on research and development efforts and other business initiatives, the expansion
of sales and marketing activities, the timing of new product introductions, market acceptance of our products and overall economic conditions. To the extent that
current and anticipated future sources of liquidity are insufficient to fund our future business activities and requirements, we may be required to seek additional
equity or debt financing. The sale of additional equity would result in additional dilution to our stockholders. The incurrence of debt financing would result in debt
service obligations and the instruments governing such debt could provide for operating and financing covenants that would restrict our operations.

Credit Facility

In December 2015, we entered into a second amended and restated credit agreement, or Senior Facility, with Silicon Valley Bank, or SVB, as administrative
agent, collateral agent, and lender, SunTrust Bank as syndication agent, SunTrust Robinson Humphrey, Inc. and several other lenders to replace our existing asset-
based credit facility and cash flow facility. This Senior Facility allows us to borrow up to $250.0 million, including up to $50.0 million for the issuance of letters of
credit and up to $25.0 million for swing line loans. Borrowings under the Senior Facility may be drawn as Alternate Base Rate, or ABR, loans or Eurodollar loans,
and matures in December 2020. ABR loans bear interest at a variable rate equal to the applicable margin plus the highest of (i) the prime rate, (ii) the federal funds
effective rate plus 0.5%, and (iii) the Eurodollar rate plus 1.0%, but in any case at a minimum rate of 3.25% per annum. Eurodollar loans bear interest at a variable
rate based on the LIBOR rate and Eurodollar reserve requirements, but in any case at a minimum rate of 1.0% per annum.

We  have  the  option  to  repay  our  borrowings  under  the  Senior  Facility  without  penalty  prior  to  maturity.  The  Senior  Facility  requires  us  to  comply  with
certain financial covenants, including maintaining a consolidated fixed charge coverage ratio of at least 1.15:1, and a consolidated leverage ratio of less than 3:1.
The Senior Facility also requires us to comply with certain non-financial covenants. Subsequent to December 31, 2015, we requested and received a waiver from
the lender group to extend the deadline for compliance of a non-financial covenant to March 1, 2016. We expect to remain in compliance with the debt covenants,
however,  no  assurances  can  be  provided  that  we  will  continue  to  remain  in  compliance  with  the  debt  covenants.  Our  obligations  under  the  credit  facility  are
secured  by  substantially  all  of  our  assets,  excluding  our  intellectual  property.  As  of  December  31,  2015,  we  had  no  outstanding  borrowings  under  the  Senior
Facility.

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Cash Flows

The following table summarizes our cash flows for the periods indicated:

Net cash provided by (used in):

Operating activities

Investing activities

Financing activities

Net change in cash and cash equivalents

Cash Flows from Operating Activities

Year Ended December 31,

2015

2014

(in thousands)

2013

$

$

109,157   $

18,774   $

(170,027)  

401,053  

(24,185)  

119,264  

340,183   $

113,853   $

33,171

(9,834)

45,243

68,580

Net cash provided by operating activities of $109.2 million for 2015 was primarily due to net income of $175.7 million and non-cash adjustments of $44.5
million,  partially  offset  by  a  decrease  in  net  change  in  operating  assets  and  liabilities  of  $111.1  million.  Non-cash  adjustments  primarily  consisted  of  the
revaluation of the redeemable convertible preferred stock warrant liability, stock-based compensation expense, and depreciation and amortization, partially offset
by deferred  taxes  and excess  tax  benefits  from  stock-based  compensation.  The  decrease  in net  change  in operating  assets  and liabilities  was primarily  due  to a
$231.1  million  increase  in  accounts  receivable  due  to  increased  sales  in  the  fourth  quarter  of  2015,  and  a  $68.1  million  increase  in  inventories  as  a  result  of
increased product demand, partially  offset by a $195.5 million increase  in accounts payable and accrued liabilities  related  to growth of expenditures  to support
general business growth. Our days sales outstanding in accounts receivable, calculated as the number of days of revenue represented by the accounts receivable
balance as of period end, increased from 48 days as of December 31, 2014 to 56 days as of December 31, 2015 due to higher sales in the beginning of the fourth
quarter of 2015 compared to higher sales at the end of the fourth quarter of 2014.

Net cash provided by operating activities of $18.8 million for 2014 was primarily due to net income of $131.8 million, partially offset by a decrease in net
change in operating assets and liabilities of $102.8 million, and non-cash adjustments of $10.2 million. The decrease in net change in operating assets and liabilities
was primarily due to a $158.8 million increase in accounts receivable due to increased sales in the fourth quarter of 2014 as a result of increased product demand, a
$61.6  million  increase  in  inventories  as  a  result  of  a  decrease  in  inventory  turnover  during  2014  primarily  due  to  increased  inventory  levels  for  new  products
announced  in the fourth  quarter  of 2014, and a $60.5 million  decrease  in Fitbit  Force  recall  liabilities,  partially  offset  by a $171.5 million  increase  in accounts
payable and accrued liabilities and other liabilities related to growth of expenditures to support general business growth. Non-cash adjustments primarily consisted
of deferred taxes, partially offset by the revaluation of the redeemable convertible preferred stock warrant liability.

Net cash provided by operating activities of $33.2 million for 2013 was primarily due to an increase in net change in operating assets and liabilities of $64.0
million and non-cash adjustments of $20.8 million, partially offset by a net loss of $51.6 million. The increase in net change in operating assets and liabilities was
primarily  due  to  a  $77.9  million  increase  in  accounts  payable  and  accrued  liabilities  and  other  liabilities  related  to  growth  of  expenditures  to  support  general
business growth, and a $72.7 million increase in Fitbit Force recall liabilities, partially offset by a $55.6 million increase in accounts receivable due to increased
sales  in  the fourth  quarter  of  2013 as  a result  of increased  product  demand,  and a  $47.4 million  increase  in  inventories  driven  by higher  levels  of  inventory  to
support demand. Non-cash adjustments primarily consisted of provisions for inventory obsolescence related to the Fitbit Force recall and the revaluation of the
redeemable convertible preferred stock warrant liability.

Cash Flows from Investing Activities

Cash used in investing activities for 2015 of $170.0 million was due to the purchases of marketable securities of $230.9 million, purchases of property and
equipment of $30.6 million, and the cash portion of the acquisition of FitStar of $11.0 million, net of cash acquired, partially offset by the sale and maturities of
marketable securities of $102.5 million.

Cash  used  in  investing  activities  for  2014  of  $24.2  million  was  due  to  $26.5  million  used  for  purchases  of  property  and  equipment,  partially  offset  by  a

decrease of $2.3 million in restricted cash related to operating lease obligations.

Cash used in investing activities for 2013 of $9.8 million was due to $7.5 million used for purchases of property and equipment, and a $2.3 million increase

in restricted cash related to our operating lease obligations.

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In  March  2015,  we  acquired  FitStar  for  total  consideration  of  $32.5  million,  comprised  of  $13.3  million  of  common  stock,  $11.5  million  of  cash,  and
$7.7 million of contingent consideration. We determined the fair market value of the contingent consideration, according to which we would have been obligated to
issue additional common stock or pay cash, to be $7.7 million as of the acquisition date. We did not pay any contingent  consideration  as certain  market-based
events were not satisfied. We may continue to use cash in the future to acquire businesses and technologies that enhance and expand our product offerings. Due to
the nature of these transactions, it is difficult to predict the amount and timing of such cash requirements to complete such transactions. We may be required to
raise additional funds to complete future acquisitions.

Cash Flows from Financing Activities

Cash provided by financing activities for 2015 of $401.1 million was primarily related to proceeds from our public stock offerings of $505.3 million and

excess tax benefits of $32.1 million from stock compensation, partially offset by net repayments of borrowings of $134.5 million under our credit facilities.

Cash provided by financing activities for 2014 of $119.3 million was primarily related to net borrowings of $119.1 million under our credit facilities.

Cash provided by financing activities for 2013 of $45.2 million primarily consisted of net proceeds of $42.8 million related to the issuance of our convertible
preferred stock and net borrowings of $2.2 million under our credit facilities as well as proceeds from the issuance of common stock upon exercise of stock options
of $0.2 million.

Contractual Obligations and Other Commitments

The following table summarizes our non-cancelable contractual obligations as of December 31, 2015:

Operating leases (1)

$

143,624   $

16,843   $

40,660   $

34,101   $

52,020

Total

Less than
1 Year

Payments Due By Period

1-3
Years

(in thousands)

3-5
Years

More than
5 Years

Total

143,624   $
(1) We lease our facilities under long-term operating leases, which expire at various dates through July 2024. The lease agreements frequently include provisions which require us to pay

40,660   $

34,101   $

16,843   $

52,020

$

taxes, insurance, or maintenance costs.

Purchase orders or contracts for the purchase of certain goods and services are not included in the preceding table. The aggregate amount of purchase orders
open as of December 31, 2015 was approximately $452.4 million. We cannot determine the aggregate amount of such purchase orders that represent contractual
obligations because purchase orders may represent authorizations to purchase rather than binding agreements. Our purchase orders are based on our current needs
and  are  fulfilled  by  our  suppliers,  contract  manufacturers,  and  logistics  providers  within  short  periods  of  time.  We  subcontract  with  other  companies  to
manufacture our products. During the normal course of business, we and our contract manufacturers procure components based upon a forecasted production plan.
If we cancel all or part of the orders, we may be liable to our suppliers and contract manufacturers for the cost of the unutilized component orders or components
purchased by our contract manufactures.

The table above excludes the liability for uncertain tax positions of $22.1 million as of December 31, 2015, due to the uncertainty of when the related tax

settlements will become due.

Off-Balance Sheet Arrangements

We have not entered into any off-balance sheet arrangements and do not have any holdings in variable interest entities.

Critical Accounting Polices and Estimates

Our management’s discussion and analysis of our financial condition and results of operations is based on our consolidated financial statements, which have
been prepared in accordance with U.S. GAAP. The preparation of these consolidated financial statements requires us to make estimates and assumptions that affect
the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported
revenue generated and expenses incurred during the reporting periods. Our estimates are based on our historical experience and on various other factors that we
believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are
not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. We believe that the accounting
policies discussed below are critical to understanding our

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historical and future performance, as these policies relate to the more significant areas involving management’s estimates, assumptions, and judgments.

Revenue Recognition

We generate substantially all of our revenue from the sale of our connected health and fitness devices and accessories. We also generate a small portion of
our revenue from our subscription-based services. We recognize revenue when persuasive evidence of an arrangement exists, delivery has occurred, the sales price
is  fixed  or  determinable,  and  collection  is  reasonably  assured.  We  consider  delivery  of  our  products  to  have  occurred  once  title  and  risk  of  loss  has  been
transferred. For customers where transfer of risk of loss is at the customer’s destination, we use estimates to defer sales at the end of the reporting period based on
historical  experience  of  average  transit  time.  We  recognize  revenue,  net  of  estimated  sales  returns,  sales  incentives,  discounts,  and  sales  tax.  We  generally
recognize revenue for products sold through retailers and distributors on a sell-in basis.

We enter into multiple element arrangements that include hardware, software, and services. The first deliverable is the hardware and firmware essential to
the  functionality  of  our  connected  health  and  fitness  devices  delivered  at  the  time  of  sale.  The  second  deliverable  is  the  software  services  included  with  the
products,  which  are  provided  free  of  charge  and  enables  users  to  sync,  view,  and  access  real-time  data  on  our  online  dashboard  and  mobile  apps.  The  third
deliverable is the embedded right included with the purchase of the device to receive, on a when-and-if-available basis, future unspecified firmware upgrades and
features relating to the product’s essential firmware. Commencing in the first quarter of 2015, we began accounting for the embedded right as a separate unit of
accounting,  which  is  when  we  believe,  through  public  announcements,  we  had  created  an  implied  obligation  to,  from  time  to  time,  provide  future  unspecified
firmware upgrades and features to the firmware to improve and add new functionality to our health and fitness devices. In addition, we occasionally offer a fourth
deliverable in bundled arrangements that allows access to certain subscription-based services related to our FitStar offering.

We  allocate  revenue  to  all  deliverables  based  on  their  relative  selling  prices.  We  use  a  hierarchy  to  determine  the  selling  price  to  be  used  for  allocating
revenue to deliverables: (i) vendor-specific objective evidence, or VSOE, of fair value, (ii) third-party evidence, or TPE, and (iii) best estimate of the selling price,
or BESP, of selling price. Our process for determining BESP considers multiple factors including consumer behaviors and our internal pricing model and may vary
depending upon the facts and circumstances related to each deliverable. BESP for our connected health and fitness devices and unspecified upgrade rights reflect
our best estimate of the selling prices if they were sold regularly on a stand-alone basis and comprises the majority of the arrangement consideration. BESP for
upgrade  rights  currently  ranges  from  $1  to  $3.  TPE  for  our  online  dashboard  and  mobile  apps  is  currently  estimated  at  $0.99.  VSOE  for  access  to  FitStar
subscription-based services is based on the price charged when sold separately.

Amounts allocated to the delivered health and fitness devices are recognized at the time of delivery, provided the other conditions for revenue recognition
have been met. Amounts allocated to our online dashboard and mobile apps and unspecified upgrade rights are deferred and recognized on a straight-line basis
over the estimated usage period of approximately eight to thirteen months.

We offer our users the ability to purchase subscription-based services, through which our users receive incremental  features, including access to a digital
personal trainer, in-depth analytics regarding the user’s personal metrics, or video-based customized workouts. Amounts paid for subscriptions are deferred and
recognized ratably over the service period which is typically one year. Revenue from subscription-based  premium services was less than 1% of revenue for all
periods presented.

In addition, we offer access to software and services to certain customers in the corporate wellness program, which includes distribution capabilities, a real-
time dashboard, and support services. We are currently unable to establish VSOE or TPE for the corporate wellness software and services. BESP for the corporate
wellness software and services is determined based on our internal pricing model for anticipated renewals for existing customers and pricing for new customers.
Revenue allocated to the corporate wellness software and services is deferred and recognized on a straight-line basis over the estimated access period of one year,
which is the typical service period. Revenue from the corporate wellness software and services was less than 1% of revenue for all periods presented.

We  account  for  shipping  and  handling  fees  billed  to  customers  as  revenue.  Sales  taxes  and  value  added  taxes  collected  from  customers  are  remitted  to

governmental authorities, are not included in revenue, and are reflected as a liability on our consolidated balance sheets.

Rights of Return, Stock Rotation Rights, and Price Protection

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We offer limited rights of return, stock rotation rights, and price protection under various policies and programs with our retailer and distributor customers and

end-users. Below is a summary of the general provisions of such policies and programs:

•

•
•
•
•

Certain  retailers  and  distributors  are  allowed  to  return  products  that  were  originally  sold  through  to  an  end-user,  called  “open  box”  returns,  and  such
returns may be made at any time after original sale.
All purchases through Fitbit.com are covered by a 45-day right of return.
Distributors are allowed stock rotation rights which are limited rights of return of products purchased during a prior period, generally one quarter.
Distributors and retailers are allowed return rights for defective products.
Certain distributors are offered price protection that allows for the right to a partial credit for unsold inventory held by the distributor if we reduce the
selling price of a product.

We  meet  all  conditions  required  to  recognize  revenue  at  the  time  of  sale  when  a  right  of  return  exists.  For  example,  our  price  to  the  buyer  is  fixed  or
determinable at time of sale; the buyer’s obligation to pay is not contingent on resale of the product; and we are able to reasonably estimate the amount of future
returns. We estimate and record reserves for these policies and programs as a reduction of revenue and accounts receivable. On a quarterly basis, the amount of
revenue that is reserved for future returns is calculated based on historical trends and data specific to each reporting period. We review the actual returns evidenced
in prior quarters as a percent of related revenue to determine the historical returns rate. We then apply the historical rate of returns to the current period revenue as
a basis for estimating future returns. Through December 31, 2015, actual returns have primarily been open-box returns. In addition, through December 31, 2015,
we  have  had  minimal  stock  rotation  or  price  protection  claims.  When  necessary,  we  also  provide  a  specific  reserve  for  products  in  the  distribution  channel  in
excess of estimated requirements. This estimate can be affected by the amount of a particular product in the channel, the rate of sell-through, product plans, and
other factors. We also consider whether there are circumstances which may result in anticipated returns higher than the historical return rate from direct customers
and record an additional reserve as necessary.

Sales Incentives

We offer sales incentives such as cooperative advertising and marketing development fund programs, rebates, and other incentives. We record cooperative
advertising and marketing development fund programs with customers as a reduction to revenue unless we receive an identifiable benefit in exchange for credits
claimed by the customer and can reasonably estimate the fair value of the identifiable benefit received, in which case we will record it as a marketing expense. We
recognize  a  liability  with  a  reduction  to  revenue  for  rebates  or  other  incentives  based  on  the  estimated  amount  of  rebates  or  credits  that  will  be  claimed  by
customers.

Inventories

Inventories consist of finished goods and component parts, which are purchased from contract manufacturers and component suppliers. Inventories are stated
at the lower of cost or market on a first-in, first-out basis. We assess the valuation of inventory and periodically write down the value for estimated excess and
obsolete inventory based upon estimates of future demand and market conditions.

Product Warranty

We offer a standard product warranty that our products will operate under normal use for a period of one-year from the date of original purchase, except in
the European Union where we provide a two-year warranty. We have the obligation, at our option, to either repair or replace the defective product. At the time
revenue  is  recognized,  an  estimate  of  future  warranty  costs  is  recorded  as  a  component  of  cost  of  revenues.  Factors  that  affect  the  warranty  obligation  include
product failure rates, service delivery costs incurred in correcting the product failures, and warranty policies. The warranty obligation does not consider historical
experience  of  the  Fitbit  Force  product  as  a  separate  reserve  has  been  established  for  the  Fitbit  Force  recall.  Our  products  are  manufactured  by  contractor
manufacturers, and in certain cases, we may have recourse to such contract manufacturers.

Fitbit Force Product Recall

We established reserves for the Fitbit Force recall when circumstances giving rise to the recall became known. We considered various factors in estimating

the product recall exposure. These include estimates for:

•

•

refunds and product returns from retailer and distributor customers and end-users, which were charged to revenue and cost of revenue on the consolidated
statements of operations;
logistics  and  handling  fees  for  managing  product  returns  and  processing  refunds,  obsolescence  of  on-hand  inventory,  cancellation  charges  for  existing
purchase commitments and rework of component inventory by our contract

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manufacturers, write-offs of tooling and manufacturing equipment, which were charged to cost of revenue on the consolidated statements of operations;
and
legal fees and settlement costs, which were charged to general and administrative expenses on the consolidated statements of operations.

•

These factors above are updated and reevaluated each period and the related reserves are adjusted when factors indicate that the recall reserves are either

insufficient to cover or exceed the estimated product recall expenses.

Business Combinations, Goodwill, and Intangible Assets

We allocate the fair value of purchase consideration to tangible assets, liabilities assumed, and intangible assets acquired based on their estimated fair values.
The excess of the fair value of purchase consideration over the fair values of these identifiable assets and liabilities is allocated to goodwill. The allocation of the
purchase  consideration  requires  management  to  make  significant  estimates  and  assumptions,  especially  with  respect  to  intangible  assets.  These  estimates  can
include, but are not limited to, future expected cash flows from acquired customers, acquired technology, and trade names from a market participant perspective,
useful lives, and discount rates. Management’s estimates of fair value are based upon assumptions believed to be reasonable, but which are inherently uncertain
and unpredictable and, as a result, actual results may differ from estimates. During the measurement period, which is up to one year from the acquisition date, we
may record adjustments to the assets acquired and liabilities assumed, with the corresponding offset to goodwill. Upon the conclusion of the measurement period,
any subsequent adjustments are recorded to earnings.

We assess goodwill for impairment at least annually during the fourth quarter and whenever events or changes in circumstances indicate that the carrying
value of the asset may not be recoverable. Consistent with our determination that we have one reporting segment, we have determined that there is one reporting
unit and test goodwill for impairment at the entity level. We test goodwill using the two-step process in accordance with ASC 350,  Intangibles—Goodwill and
Other . In the first step, we compare the carrying amount of the reporting unit to the fair value based on the fair value of our common stock. If the fair value of the
reporting unit exceeds the carrying value, goodwill is not considered impaired and no further testing is required. If the carrying value of the reporting unit exceeds
the fair value, goodwill is potentially impaired and the second step of the impairment test must be performed. In the second step, we would compare the implied
fair value of the goodwill, as defined by ASC 350, to its carrying amount to determine the amount of impairment loss, if any.

Acquired finite-lived  intangible assets are amortized over their estimated useful lives. We evaluate the recoverability  of our intangible assets for possible
impairment whenever events or circumstances indicate that the carrying amount of such assets may not be recoverable. Recoverability of these assets is measured
by  a  comparison  of  the  carrying  amounts  to  the  future  undiscounted  cash  flows  the  assets  are  expected  to  generate.  If  such  review  indicates  that  the  carrying
amount of property and equipment and intangible assets is not recoverable, the carrying amount of such assets is reduced to fair value. We have not recorded any
such impairment charge during the years presented.

Income Taxes

We utilize the asset and liability method of accounting for income taxes, which requires the recognition of deferred tax assets and liabilities for expected
future  consequences  of  temporary  differences  between  the  financial  reporting  and  income  tax  bases  of  assets  and  liabilities  using  enacted  tax  rates.  We  make
estimates,  assumptions,  and  judgments  to  determine  our  expense  (benefit)  for  income  taxes  and  also  for  deferred  tax  assets  and  liabilities  and  any  valuation
allowances recorded against our deferred tax assets. We assess the likelihood that our deferred tax assets will be recovered from future taxable income and, to the
extent we believe that recovery is not likely, we establish a valuation allowance.

The  calculation  of  our  income  tax  expense  involves  the  use  of  estimates,  assumptions,  and  judgments  while  taking  into  account  current  tax  laws,  our
interpretation of current tax laws, and possible outcomes of future tax audits. We have established reserves to address potential exposures related to tax positions
that  could  be  challenged  by  tax  authorities.  Although  we  believe  our  estimates,  assumptions,  and  judgments  to  be  reasonable,  any  changes  in  tax  law  or  our
interpretation of tax laws and the resolutions of potential tax audits could significantly impact the amounts provided for income taxes in our consolidated financial
statements.

The  calculation  of  our  deferred  tax  asset  balance  involves  the  use  of  estimates,  assumptions,  and  judgments  while  taking  into  account  estimates  of  the
amounts  and  type  of  future  taxable  income.  Actual  future  operating  results  and  the  underlying  amount  and  type  of  income  could  differ  materially  from  our
estimates, assumptions, and judgments, thereby impacting our financial position and operating results.

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We include interest and penalties related to unrecognized tax benefits within income tax expense. Interest and penalties related to unrecognized tax benefits

have been recognized in the appropriate periods presented.

Stock-Based Compensation

Stock-based compensation is measured at the grant date based on the fair value of the award and is recognized as expense, net of estimated forfeitures, over

the requisite service period, which is generally the vesting period of the respective award.

Determining the fair value of stock-based awards at the grant date requires judgment. The fair value of restricted stock units, or RSUs, is the fair value of our
common stock on the grant date. We use the Black-Scholes option-pricing model to determine the fair value of stock options and shares issued under our 2015
Employee Stock Purchase Plan, or 2015 ESPP. The determination of the grant date fair value of stock options and shares issued under our 2015 ESPP using an
option-pricing model is affected by our estimated common stock fair value as well as assumptions regarding a number of variables. These variables include the fair
value of our common stock, our expected common stock price volatility over the expected life of the options, expected term of the stock option, risk-free interest
rates, and expected dividends, which are estimated as follows:

Fair Value of Our Common Stock . Prior to our initial public offering, the fair value of the shares of common stock underlying stock options was historically
established by our board of directors, which was responsible for these estimates, and was based in part upon a valuation provided by an independent third-party
valuation firm. Because there was no public market for our common stock prior to our initial public offering, our board of directors considered this independent
valuation and other factors, including, but not limited to, revenue growth, the current status of the technical and commercial success of our operations, our financial
condition, the stage of our development, and competition to establish the fair value of our common stock at the time of grant of the option. The fair value of the
underlying common stock was determined by the board of directors until our common stock was listed on a stock exchange. For stock options and RSUs granted
subsequent to our initial public offering, the fair value was based on the closing price of our Class A common stock as reported on the New York Stock Exchange
on the date of grant.

Expected Term . The expected term represents the period over which we anticipate stock-based awards to be outstanding. We do not have sufficient historical
exercise data to provide a reasonable basis upon which to estimate expected term due to the limited period of time stock-based awards have been exercisable. As a
result, for stock options, we used the simplified method to calculate the expected term estimate based on the vesting and contractual terms of the option. Under the
simplified method, the expected term is equal to the average of the stock-based award’s weighted average vesting period and its contractual term. The expected
term of equity awards issued under our 2015 ESPP is the contractual term.

Volatility .  Expected  volatility  is  a  measure  of  the  amount  by  which  the  stock  price  is  expected  to  fluctuate.  We  estimate  the  expected  volatility  of  the
common  stock  underlying  our  stock  options  and  equity  awards  issued  under  our  2015  ESPP  at  the  grant  date  by  taking  the  average  historical  volatility  of  the
common  stock  of  a  group  of  comparable  publicly  traded  companies  over  a  period  equal  to  the  expected  life.  We  use  this  method  because  we  have  limited
information on the volatility of our Class A common stock because of our short trading history.

Risk-Free  Rate  .  The  risk-free  interest  rate  is  estimated  average  interest  rate  based  on  U.S.  Treasury  zero-coupon  notes  with  terms  consistent  with  the

expected term of the awards.

Dividend Yield . We have never declared or paid any cash dividends and do not presently plan to pay cash dividends in the foreseeable future. Consequently,

we used an expected dividend yield of zero.

In  addition,  we  are  required  to  estimate  the  amount  of  stock-based  compensation  we  expect  to  be  forfeited  based  on  our  historical  experience.  The
assumptions used in calculating the fair value of the stock-based awards represent management judgment. As a result, if factors change and different assumptions
are used, the stock-based compensation expense could be materially different in the future.

Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board, or FASB, issued Accounting Standards Update 2014-09, or ASU 2014-09, regarding Accounting
Standards Codification Topic 606, Revenue from Contracts with Customers . This ASU affects any entity that either enters into contracts with customers to transfer
goods and services or enters into contracts for the transfer of nonfinancial assets. ASU 2014-09 will replace most existing revenue recognition guidance when it
becomes effective. The standard’s core principle is that a company will recognize revenue when it transfers promised goods or services to customers in an amount
that reflects the consideration to which the company expects to be entitled in exchange for those goods or services. In doing so, companies will need to use more
judgment and make more estimates than under the currently effective guidance. These

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may include identifying performance obligations in the contract, estimating the amount of variable consideration to include in the transaction price and allocating
the  transaction  price  to  each  separate  performance  obligation.  In  July  2015,  the  FASB  approved  a  one-year  deferral  of  the  effective  date  of  the  standard.
ASU 2014-09 will become effective for us on January 1, 2018 and can be adopted either retrospectively to each prior reporting period presented or as a cumulative
effect adjustment as of the date of adoption. Early adoption is permitted but not before the original effective date of annual periods beginning after December 15,
2016. We are currently evaluating the impact of this guidance on our consolidated financial statements.

In  November  2015,  the  FASB  issued  ASU  2015-17,  Balance  Sheet  Classification  of  Deferred  Taxes  .  This  ASU requires  that  all  deferred  tax  assets  and
liabilities, along with any related valuation allowance, be classified as noncurrent on the balance sheet. We early adopted this accounting standard retrospectively
in our fourth quarter of 2015 and reclassified all our current deferred tax assets to noncurrent deferred tax assets on our consolidated balance sheets for all periods
presented.

In  February  2016,  the  FASB  issued  ASU  2016-02,  Leases .  This  ASU  requires  lease  assets  and  lease  liabilities  arising  from  leases,  including  operating
leases, to be recognized on the balance sheet. ASU 2016-02 will become effective for us on January 1, 2019, and requires adoption using a modified retrospective
approach. We are currently evaluating the impact of this guidance on our consolidated financial statements.

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Item 7A. Quantitative and Qualitative Disclosures about Market Risk

We are exposed to market risks in the ordinary course of our business. These risks primarily include interest rate and foreign currency risks as follows:

Interest Rate Risk

Our exposure to changes in interest rates relates primarily to our investment portfolio. As of December 31, 2015, we had cash and cash equivalents of $535.8
million  and  marketable  securities  of  $128.6  million,  which  consisted  primarily  of  bank  deposits,  money  market  funds,  U.S.  government  and  agency  securities,
commercial  paper,  and  corporate  notes  and  bonds.  The  primary  objectives  of  our  investment  activities  are  to  preserve  principal  and  provide  liquidity  without
significantly increasing risk. Our investment policy specifies credit quality standards for our investments and limits the amount of credit exposure to any single
issue, issuer, or type of investment.

To date, we have not been exposed, nor do we anticipate being exposed, to material risks due to changes in interest rates. A hypothetical 10% change in

interest rates during any of the periods presented would not have had a material impact on our consolidated financial statements.

Foreign Currency Risk

To date, all of our inventory purchases have been denominated in U.S. dollars. Our international sales are primarily denominated in foreign currencies and
any unfavorable movement in the exchange rate between U.S. dollars and the currencies  in which we conduct sales in foreign countries could have an adverse
impact  on  our  revenue.  A  portion  of  our  operating  expenses  are  incurred  outside  the  United  States  and  are  denominated  in  foreign  currencies,  which  are  also
subject to fluctuations due to changes in foreign currency exchange rates. In addition, our suppliers incur many costs, including labor costs, in other currencies. To
the extent that exchange rates move unfavorably for our suppliers, they may seek to pass these additional costs on to us, which could have a material impact on our
gross margins. Our operating results and cash flows are, therefore, subject to fluctuations due to changes in foreign currency exchange rates. However, we believe
that the exposure to foreign currency fluctuation from operating expenses is relatively small at this time as the related costs do not constitute a significant portion
of our total expenses.

To partially mitigate the impact of changes in currency exchange rates on net cash flows from our foreign currency denominated revenue and expenses, we
enter into foreign currency exchange forward and option contracts. We also hedge certain monetary assets and liabilities denominated in foreign currencies, which
reduces  but  does  not  eliminate  our  exposure  to  currency  fluctuations  between  the  date  a  transaction  is  recorded  and  the  date  that  cash  is  collected  or  paid.  In
general, the market risks of these contracts are offset by corresponding gains and losses on the transactions being hedged.

We  had  outstanding  contracts  with  a  total  notional  amount  of  $346.6  million  and  $34.9  million  in  cash  flow  hedges  for  forecasted  revenue  and  expense
transactions, respectively, as of December 31, 2015. We had outstanding balance sheet hedges with a total notional amount of $47.2 million as of December 31,
2015.  We  assessed  our  exposure  to  movements  in  currency  exchange  rates  by  performing  a  sensitivity  analysis  of  adverse  changes  in  exchange  rates  and  the
corresponding  impact  to  our  results  of  operations.  Based  on  transactions  denominated  in  currencies  other  than  respective  functional  currencies,  a  hypothetical
change of 10% would have resulted in an impact on income before income taxes of approximately $30.0 million for 2015.

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Item 8. Financial Statements and Supplementary Data

FITBIT, INC.
INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting Firm

Consolidated Financial Statements:

Consolidated Balance Sheets

Consolidated Statements of Operations

Consolidated Statements of Comprehensive Income (Loss)

Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit)

Consolidated Statements of Cash Flows

Notes to Consolidated Financial Statements

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59

60

61

62

63

65

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To the Board of Directors and Stockholders of Fitbit, Inc.:

Report of Independent Registered Public Accounting Firm

In  our  opinion,  the  accompanying  Consolidated  Balance  Sheets  and  the  related  Consolidated  Statements  of  Operations,  Comprehensive  Income  (Loss),
Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit), and Cash Flows present fairly, in all material respects, the financial position of Fitbit,
Inc. and its subsidiaries at December 31, 2015 and December 31, 2014, and the results of their operations and their cash flows for each of the three years in the
period ended December 31, 2015 in conformity with accounting principles generally accepted in the United States of America. These financial statements are the
responsibility  of  the  Company’s  management.  Our  responsibility  is  to  express  an  opinion  on these  financial  statements  based  on our  audits.  We  conducted  our
audits of these statements 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,  assessing  the  accounting  principles  used  and  significant  estimates
made by management, and evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

As discussed in Note 2 to the consolidated financial statements, in 2015 the Company changed the manner in which it classifies deferred taxes in the consolidated
balance sheets.

/s/ PricewaterhouseCoopers LLP

San Francisco, California
February 26, 2016

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FITBIT, INC.
Consolidated Balance Sheets
(In thousands, except share and per share amounts)

Table of Contents

Assets

Current assets:

Cash and cash equivalents

Marketable securities

Accounts receivable, net

Inventories

Prepaid expenses and other current assets

Total current assets

Property and equipment, net

Goodwill

Intangible assets, net

Deferred tax assets

Other assets

Total assets

Liabilities, Redeemable Convertible Preferred Stock, and Stockholders’ Equity

Current liabilities:

Accounts payable

Accrued liabilities

Deferred revenue

Fitbit Force recall reserve

Income taxes payable

Long-term debt, current portion

Total current liabilities

Other liabilities

Redeemable convertible preferred stock warrant liability

Total liabilities

Commitments and contingencies (Note 8)

Redeemable convertible preferred stock, $0.0001 par value: no shares and 144,528,912 shares authorized as of
December 31, 2015 and 2014, respectively; no shares and 139,851,483 shares issued and outstanding as of
December 31, 2015 and 2014, respectively; aggregate liquidation preference of $0 as of December 31, 2015

Stockholders’ equity:

Common stock, $0.0001 par value, no shares and 230,400,000 shares authorized as of December 31, 2015 and
2014, respectively; no shares and 40,875,583 shares issued and outstanding as of December 31, 2015 and 2014,
respectively

Class A common stock, $0.0001 par value, 600,000,000 and no shares authorized as of December 31, 2015 and
2014, respectively; 99,416,351 and no shares issued and outstanding as of December 31, 2015 and 2014,
respectively

Class B common stock, $0.0001 par value, 350,000,000 and no shares authorized as of December 31, 2015 and
2014, respectively; 115,365,222 and no shares issued and outstanding as of December 31, 2015 and 2014,
respectively

Additional paid-in capital

Accumulated other comprehensive income

Retained earnings

Total stockholders’ equity

December 31,

2015

2014

$

535,846   $

195,626

$

$

128,632  

469,260  

178,146  

43,530  

1,355,414  

44,501  

22,157  

12,216  

83,020  

1,758  

1,519,066   $

—

238,859

115,072

13,614

563,171

26,435

—

—

42,001

1,444

633,051

260,842   $

195,666

194,977  

44,448  

5,122  

2,868  

—  

508,257  

29,358  

—  

537,615  

70,940

9,009

22,476

30,631

132,589

461,311

12,867

15,797

489,975

—  

67,814

—  

10  

11  

737,820  

691  

242,919  

981,451  

4

—

—

7,979

37

67,242

75,262

633,051

Total liabilities, redeemable convertible preferred stock and stockholders’ equity

$

1,519,066   $

The accompanying notes are an integral part of these consolidated financial statements.

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Revenue

Cost of revenue

Gross profit

Operating expenses:

Research and development

Sales and marketing

General and administrative

Change in contingent consideration

Total operating expenses

Operating income (loss)

Interest expense, net

Other expense, net

Income (loss) before income taxes

Income tax expense

Net income (loss)

FITBIT, INC.
Consolidated Statements of Operations
(In thousands, except per share amounts)

Year Ended December 31,

2015

2014

2013

$

1,857,998   $

745,433   $

956,935  

901,063  

150,035  

332,741  

77,793  

(7,704)  

552,865  

348,198  

(1,019)  

(59,230)  

287,949  

112,272  

175,677  

(2,526)  

(59,133)  

114,018  

8,821  

387,776  

357,657  

54,167  

112,005  

33,556  

—  

199,728  

157,929  

(2,222)  

(15,934)  

139,773  

7,996  

131,777  

(5,326)  

(98,103)  

28,348  

10,175  

$

$

$

122,839   $

38,523   $

0.88   $

0.75   $

0.70   $

0.63   $

129,886  

164,213  

40,351  

61,179  

271,087

210,836

60,251

27,873

26,847

14,485

—

69,205

(8,954)

(1,082)

(3,649)

(13,685)

37,937

(51,622)

—

—

(51,622)

—

(51,622)

(1.32)

(1.32)

39,179

39,179

Less: noncumulative dividends to preferred stockholders

Less: undistributed earnings to participating securities

Net income (loss) attributable to common stockholders—basic

Add: adjustments for undistributed earnings to participating securities

Net income (loss) attributable to common stockholders—diluted

Net income (loss) per share attributable to common stockholders:

Basic

Diluted

Shares used to compute net income (loss) per share attributable to common stockholders:

Basic

Diluted

The accompanying notes are an integral part of these consolidated financial statements.

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FITBIT, INC.
Consolidated Statements of Comprehensive Income (Loss)
(In thousands)

Net income (loss)

Other comprehensive income:

Cash flow hedges:

Change in unrealized gain on cash flow hedges, net of tax expense of $1,509, $ —, and $
—, respectively

Less reclassification for realized net gains included in net income, net of tax expense of
$759, $ —, and $ —, respectively

Net change, net of tax

Available-for-sale investments:

Change in unrealized loss on investments

Less reclassification for realized net gains included in net income

Net change, net of tax

Change in foreign currency translation adjustment, net of tax

Comprehensive income (loss)

Year Ended December 31,

2015

2014

2013

$

175,677   $

131,777   $

(51,622)

1,276  

(525)  

751  

(63)  

8  

(55)  

(42)  

—  

—  

—  

—  

—  

—  

—  

37  

—

—

—

—

—

—

—

—

$

176,331   $

131,814   $

(51,622)

The accompanying notes are an integral part of these consolidated financial statements.

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FITBIT, INC.
Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit)
(In thousands except share amounts)

Balance at December 31, 2012

110,354,028   $ 23,425   36,856,749   $

4   $

202   $

—   $

(12,913)

  $

(12,707)

Redeemable Convertible
Preferred Stock

Class A and Class B
Common Stock

Shares

  Amount

Shares

  Amount

  Additional
Paid-In
Capital

Accumulated
Other
Comprehensive
Income

Retained
Earnings
(Accumulated
Deficit)

Total
Stockholders’
Equity
(Deficit)

Issuance of redeemable convertible preferred
stock for cash, net of issuance costs
Issuance of common stock upon exercise of stock
options
Stock-based compensation expense

Excess tax benefit from stock-based
compensation
Net loss

Balance at December 31, 2013

Issuance of redeemable convertible preferred
stock upon exercise of redeemable convertible
preferred stock warrants
Issuance of common stock upon exercise of stock
options
Stock-based compensation expense

Excess tax benefit from stock-based
compensation
Net income

Other comprehensive income

Balance at December 31, 2014

29,149,887  

42,811  

—  

—  
—  

—   3,283,410  
—  
—  

—  
—  
139,503,915  

—  
—  

—  
—  
66,236   40,140,159  

347,568  

1,578  

—  

—  
—  

—  
—  

735,424  
—  

—  
—  
—  
139,851,483  

—  
—  
—  

—  
—  
—  
67,814   40,875,583  

63

—  

—  
—  

—  
—  
4  

—  

—  
—  

—  
—  
—  
4  

—  

205  
620  

38  
—  
1,065  

—  

97  
6,804  

13  
—  
—  
7,979  

—  

—  
—  

—  
—  
—  

—  

—  
—  

—  
—  
37  
37  

—  

—  
—  

—  

—

205

620

38

(51,622)

(64,535)

(51,622)

(63,466)

—  

—  
—  

—  

131,777

—  

67,242

—

97

6,804

13

131,777

37

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FITBIT, INC.
Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) (Continued)
(In thousands except share amounts)

Redeemable Convertible
Preferred Stock

Common Stock

Shares

  Amount

Shares

  Amount

  Additional
Paid-In
Capital

Accumulated
Other
Comprehensive
Income

Retained
Earnings
(Accumulated
Deficit)

Total
Stockholders’
Equity
(Deficit)

Issuance of common stock upon public
offerings, net of offering costs
Issuance of redeemable convertible preferred
stock upon net exercise of redeemable
convertible preferred stock warrants
Conversion of redeemable convertible preferred
stock to common stock upon initial public
offering
Reclassification of redeemable convertible
preferred stock warrant liability into additional
paid in capital upon initial public offering
Issuance of common stock upon exercise of
stock options
Issuance of common stock in connection with
acquisition
Issuance of common stock subject to vesting in
connection with acquisition
Issuance of common stock upon net exercise of
common stock warrants
Stock-based compensation expense

Excess tax benefit from stock-based
compensation
Net income

Other comprehensive income

Balance at December 31, 2015

—  

—  

—  

—  

—  
—  

—  
—  
—  
—   $

—  

—   25,387,500  

3  

499,102  

1,485,583  

56,678

—  

—  

—  

(141,337,066)  

(124,492)

  141,337,066  

14  

124,478  

—  

—  

—  

5,396,591  

—  

1,059,688  

—  

—  
—  

308,216  

416,929  
—  

—  

—  

—  

—  

—  
—  

15,774  

4,018  

13,317  

—  

—  
41,052  

—  

—  

—  

—  

—  

—  

—  

—  
—  

—  

—  

—  

—  

—  

—  

—  

—  
—  

499,105

—

124,492

15,774

4,018

13,317

—

—

41,052

32,100

175,677

654

981,451

—  
—  
—  
—   214,781,573   $

—  
—  
—  

32,100  
—  
—  

—  
—  
—  
21   $ 737,820   $

—  
—  
654  
691   $

—  
175,677  
—  
242,919   $

The accompanying notes are an integral part of these consolidated financial statements.

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FITBIT, INC.
Consolidated Statements of Cash Flows
(In thousands)

Cash Flows from Operating Activities

Net income (loss)

Adjustments to reconcile net income (loss) to net cash provided by operating activities:

Provision for doubtful accounts

Provision for inventory obsolescence

Provision for inventory obsolescence related to Fitbit Force recall

Depreciation

Amortization of intangible assets

Write-off of property and equipment

Revaluation of redeemable convertible preferred stock warrant liability

Amortization of issuance costs and discount on debt

Stock-based compensation

Change in contingent consideration

Deferred income taxes

Excess of tax benefit from stock-based compensation

Other

Changes in operating assets and liabilities, net of acquisition:

Accounts receivable

Inventories

Prepaid expenses and other assets

Fitbit Force recall reserve

Accounts payable

Accrued liabilities and other liabilities

Deferred revenue

Income taxes payable

Net cash provided by operating activities

Cash Flows from Investing Activities

Change in restricted cash

Purchase of property and equipment

Purchase of marketable securities

Sales of marketable securities

Maturities of marketable securities

Acquisitions, net of cash acquired

Net cash used in investing activities

Cash Flows from Financing Activities

Proceeds from public offerings, net of underwriting discounts and commissions

Proceeds from issuance of debt and revolving credit facility

Repayment of debt

Payment of issuance costs

Payment of offering costs

Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs

Proceeds from exercise of stock options

Excess of tax benefit from stock-based compensation

Proceeds from exercise of redeemable convertible preferred stock warrants

Net cash provided by financing activities

Year Ended December 31,

2015

2014

2013

$

175,677

  $

131,777   $

(51,622)

1,115

5,060

—  

19,405

1,702

1,206

56,655

961

41,024

(7,704)

(42,538)

(32,100)

(263)

(231,100)

(68,108)

(29,215)

(17,354)

56,759

138,748

34,891

4,336

109,157

—  

(30,566)

(230,935)

58,011

44,500

(11,037)

(170,027)

505,275

160,000

(294,503)

(748)

(5,089)

—  

4,018

32,100

—  

401,053

864  
2,964  
—  
6,131  
—  
1,004  
13,272  
795  
6,804  
—  
(42,001)  
(13)  
—  

(158,788)  
(61,595)  
(9,679)  
(60,462)  
123,761  
47,733  
3,403  
12,804  
18,774  

2,310  
(26,495)  
—  
—  
—  
—  
(24,185)  

—  
163,000  
(41,346)  
(2,575)  
—  
—  
97  
13  
75  
119,264  

651

1,099

10,251

3,012

—

1,712

3,370

82

620

—

—

(38)

—

(55,630)

(47,376)

(2,225)

72,687

50,881

27,043

859

17,795

33,171

(2,310)

(7,524)

—

—

—

—

(9,834)

—

2,830

(596)

(45)

—

42,811

205

38

—

45,243

 
 
 
 
 
 
 
   
   
 
   
   
 
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
 
 
 
 
 
 
 
 
 
 
   
   
 
 
 
 
 
 
 
   
   
 
 
 
 
 
 
 
 
Net increase in cash and cash equivalents

Effect of exchange rate on cash and cash equivalents

Cash and cash equivalents at beginning of period

Cash and cash equivalents at end of period

Supplemental Disclosure

Cash paid for interest

Cash paid for income taxes

Supplemental Disclosure of Non-Cash Investing and Financing Activity

Conversion of redeemable convertible preferred stock into Class B common stock

Reclassification of redeemable convertible preferred stock warrant liability to additional paid in capital

Issuance of redeemable convertible preferred stock upon net exercise of redeemable convertible preferred stock
warrants
Purchase of property and equipment included in accounts payable

Issuance of redeemable convertible preferred stock warrants in connection with debt financing

Deferred offering costs included in accounts payable and accruals

Issuance of common stock in connection with acquisitions

Contingent consideration related to acquisitions

$

$

$

$

$

$

$

$

$

$

$

340,183

37

195,626

535,846

  $

1,157

150,923

124,492

15,774

  $
  $

  $
  $

56,678

10,534

  $
  $
—   $
  $
  $
  $

1,080

13,317

(7,704)

113,853  
45  
81,728  
195,626   $

835   $
34,616   $

—   $
—   $

—   $
2,492   $
—   $
—   $
—   $
—   $

68,580

—

13,148

81,728

999

12,930

—

—

—

1,904

170

—

—

—

The accompanying notes are an integral part of these consolidated financial statements.

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1.    Business Overview

FITBIT, INC.
Notes to Consolidated Financial Statements

Fitbit, Inc. (the “Company”) is transforming the way millions of people around the world achieve their health and fitness goals. The Fitbit platform combines
connected  health  and  fitness  devices  with  software  and  services,  including  an  online  dashboard  and  mobile  apps,  data  analytics,  motivational  and  social  tools,
personalized  insights,  and  virtual  coaching  through  customized  fitness  plans  and  interactive  workouts.  The  Company  sells  devices  through  diversified  sales
channels that include distributors, retailers, a corporate wellness offering, and Fitbit.com. The Company was incorporated in Delaware in 2007. The Company has
established wholly-owned subsidiaries globally and its corporate headquarters are located in San Francisco, California.

In June 2015, the Company completed  its initial  public  offering  (“IPO”)  of Class A common  stock, in which the Company sold   22,387,500  shares and
certain of its stockholders sold 19,673,750  shares, for which the Company did not receive any proceeds, including 5,486,250  shares pursuant to the underwriters’
option to purchase additional shares. The shares were sold at an initial public offering price of $20.00  per share for net proceeds of $420.9 million to the Company,
after deducting underwriting discounts and commissions of $26.9 million . Offering costs incurred by the Company were approximately  $5.0 million . In addition,
in connection with the IPO:

•

•

•

•

•

The Company authorized two new classes of common stock— Class A common stock and Class B common stock. The rights of the holders of Class A
and Class B common stock are identical, except with respect to voting and conversion. Each share of Class A common stock is entitled to one vote per
share and each share of Class B common stock is entitled to ten votes per share. Each share of Class B common stock is convertible at any time at the
option of the stockholder into one share of Class A common stock, generally automatically converts into Class A common stock upon a transfer, and
has no expiration date.
All shares of the then-outstanding common stock, as well as options to purchase common stock and restricted stock units (“RSUs”), were reclassified
into the right to receive an equivalent number of shares of Class B common stock.
All 139,851,483 shares of the then-outstanding redeemable convertible preferred stock were converted and reclassified into an equivalent number of
shares of Class B common stock. This resulted in a reclassification of the redeemable convertible preferred stock balance of $67.8 million to additional
paid-in capital.
The  Company  issued  274,992  shares  of  Series  B redeemable  convertible  preferred  stock  and  1,210,591  shares  of  Series  C redeemable  convertible
preferred stock upon the net exercise of redeemable convertible preferred stock warrants, which occurred immediately prior to the completion of its
IPO.  These  shares  were  converted  into  and  then  sold  as  Class  A  common  stock  by  the  selling  stockholders  in  the  IPO.  As  a  result,  the  Company
revalued the warrants settled upon exercise as of the completion of the IPO and reclassified $ 56.7 million from the redeemable convertible preferred
stock  warrant  liability  balance  to  additional  paid-in  capital.  In  addition,  all  of  the  remaining  outstanding  redeemable  convertible  preferred  stock
warrants automatically converted to Class B common stock warrants upon the closing of the IPO. As a result, the Company revalued the warrants as of
the completion of the IPO and reclassified the remaining redeemable convertible preferred stock warrant liability balance of $15.8 million to additional
paid-in capital.
The  Company  recorded  proceeds  of  $420.9  million  to  additional  paid-in  capital  and  reclassified  $5.0  million  of  deferred  offering  costs  previously
recorded in other current assets as an offset to the proceeds from the IPO.

In November 2015, the Company completed a follow-on offering of Class A common stock, in which the Company sold 3,000,000 shares and certain of its
stockholders sold 16,550,000 shares,  for which the  Company did not receive  any proceeds, including  2,550,000 shares  pursuant  to  the  underwriters’  option  to
purchase additional shares. The shares were sold at a public offering price of $29.00 per share for net proceeds of $84.4 million to the Company, after deducting
underwriting discounts and commissions of $2.6 million . Offering costs incurred by the Company were approximately $1.2 million .

2.    Basis of Presentation

Principles of Consolidation

The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany transactions and balances

have been eliminated.

Stock Splits

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In June 2013, the Company effected a 4 -for-1 stock split of all outstanding shares of redeemable convertible preferred stock. In addition, in September 2014,
the Company effected a 2 -for-1 stock split of all outstanding shares of the Company’s capital stock, including common stock and redeemable convertible preferred
stock.

In  May  2015,  the  Company  effected  a  3 -for-2  stock  split  of  all  outstanding  shares  of  the  Company’s  capital  stock,  including  its  common  stock  and  its
redeemable  convertible  preferred  stock.  All  share,  option,  RSU,  warrant,  and  per  share  information  presented  in  the  consolidated  financial  statements  has  been
adjusted  to  reflect  the  stock  splits  on  a  retroactive  basis  for  all  periods  presented  and  all  share  information  is  rounded  down  to  the  nearest  whole  share  after
reflecting the stock splits.

Use of Estimates

The  preparation  of  consolidated  financial  statements  in  accordance  with  generally  accepted  accounting  principles  in  the  United  States  of  America  (“U.S.
GAAP”)  requires  management  to  make  estimates  and  assumptions  that  affect  the  amounts  reported  and  disclosed  in  the  consolidated  financial  statements  and
accompanying notes. The estimates and assumptions made by management related to revenue recognition, accruals for the Fitbit Force recall, reserves for sales
returns and incentives, reserves for warranty, valuation of stock options, fair value of warrant liability and derivative assets and liabilities, allowance for doubtful
accounts,  inventory  valuation,  fair  value  of  goodwill  and  acquired  tangible  and  intangible  assets  and  liabilities  assumed  during  acquisitions,  the  number  of
reporting  segments,  the  recoverability  of  intangible  assets  and  their  useful  lives,  and  the  valuations  of  deferred  income  tax  assets  and  uncertain  tax  positions.
Actual results could differ from those estimates, and such differences may be material to the consolidated financial statements.

Reclassifications

In  November  2015,  the  FASB  issued  ASU  2015-17,  Balance  Sheet  Classification  of  Deferred  Taxes  .  This  ASU  requires  that  all  deferred  tax  assets  and
liabilities, along with any related valuation allowance, be classified as noncurrent on the balance sheet. The Company early adopted this standard retrospectively in
its fourth quarter of 2015 and reclassified all of its current deferred tax assets to noncurrent deferred tax assets on the consolidated balance sheets for all periods
presented. Within the consolidated balance sheet as of December 31, 2014, the Company reclassified $33.6 million of current deferred tax assets and  $8.4 million
 of other assets to noncurrent deferred tax assets.

Comprehensive Income (Loss)

Comprehensive  income  (loss)  consists  of  two  components,  net  income  (loss)  and  other  comprehensive  income,  net  of  tax.  Other  comprehensive  income
refers to revenue, expenses, and gains and losses that are recorded as an element of stockholders’ equity but are excluded from net income (loss). The Company’s
other comprehensive income consists of net unrealized gains and losses on derivative instruments accounted for as cash flow hedges, foreign currency translation
adjustments from those subsidiaries not using the U.S. dollar as their functional currency, and unrealized gains and losses on available-for-sale securities.

3.    Significant Accounting Policies

Cash, Cash Equivalents and Marketable Securities

Cash and cash equivalents include all cash balances and highly liquid investments with original maturities of three months or less from the date of purchase.
Cash equivalents  and marketable  securities  consist of money market  funds, U.S. government  and agency securities,  commercial  paper, and corporate  notes and
bonds.

The Company’s marketable securities are classified as available-for-sale as of the balance sheet date and are reported at fair value with unrealized gains and
losses reported, net of tax, as a separate component of accumulated other comprehensive income in stockholders’ equity. Realized gains or losses and other-than-
temporary impairments, if any, on available-for-sale securities are reported in other expense, net as incurred. Realized gains and losses on the sale of securities are
determined by specific identification of each security’s cost basis. Investments are reviewed periodically to identify possible other-than-temporary impairments.
No impairment  loss has been  recorded  on the  securities  as the  Company believes  that  the decrease  in fair  value  of these  securities  is temporary  and expects  to
recover up to, or beyond, the initial cost of investment for these securities.

Fair Value of Financial Instruments

Assets and liabilities recorded at fair value on a recurring basis are categorized based upon the level of judgment associated with inputs used to measure their
fair  values.  Fair  value  is  defined  as  the  price  that  would  be  received  to  sell  an  asset  or  paid  to  transfer  a  liability  in  an  orderly  transaction  between  market
participants at the reporting date.

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The Company estimates fair value by applying the following hierarchy, which prioritizes the inputs used to measure fair value into three levels and bases the

categorization within the hierarchy upon the lowest level of input that is available and significant to the fair value measurement:

Level 1 —Quoted prices in active markets for identical assets or liabilities;

Level 2 —Observable  inputs  other  than  quoted  prices  in  active  markets  for  identical  assets  and  liabilities,  quoted  prices  for  identical  or  similar  assets  or
liabilities in inactive markets, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or
liabilities; and

Level 3 —Inputs that are generally unobservable and typically reflect management’s estimate of assumptions that market participants would use in pricing

the asset or liability.

Foreign Currencies

The Company and certain of the Company’s wholly-owned subsidiaries use the U.S. dollar as their functional currency. The Company’s subsidiaries that use
the  U.S. dollar  as  their  functional  currency  remeasure  local  currency  denominated  monetary  assets  and  liabilities  at  exchange  rates  in  effect  at  the  end  of  each
period, and inventories, property, plant and equipment and other nonmonetary assets and liabilities at historical rates. Gains and losses from these remeasurements
have been included in the Company’s operating results within other expense, net. Local currency transactions of these international operations are remeasured into
U.S. dollars at the rates of exchange in effect at the date of the transaction. Foreign currency transaction losses were $ 2.6 million , $2.7 million , and $0.2 million
for 2015, 2014, and 2013, respectively.

The Company translates the assets and liabilities of its non-U.S. dollar functional currency subsidiaries into U.S. dollars using exchange rates in effect at the
end of each period. Revenue and expenses for these subsidiaries are translated using rates that approximate those in effect during the related period. Gains and
losses from translations are recognized in foreign currency translation included in accumulated other comprehensive income (loss).

Derivative Instruments

The Company accounts for its derivative instruments as either assets or liabilities and carries them at fair value. Derivatives held by the Company that are not
designated as hedges are adjusted to fair value through earnings at each reporting date. In addition, the Company enters into derivatives that are accounted for as
cash flow hedges. The Company records the gains or losses, net of tax, related to the effective portion of its cash flow hedges as a component of accumulated other
comprehensive income in stockholders’ equity and subsequently reclassifies the gains or losses into revenue and operating expenses when the underlying hedged
transactions  are  recognized.  The  Company  periodically  assesses  the  effectiveness  of  its  cash  flow  hedges.  The  fair  value  of  derivative  assets  and  liabilities  are
included in prepaid expenses and other current assets and accrued liabilities on the consolidated balance sheets.

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash, cash equivalents, accounts receivables,
and  derivative  instruments.  Cash  and  cash  equivalents  are  deposited  with  high  quality  financial  institutions  and  may,  at  times,  exceed  federally  insured  limits.
Management believes that the financial institutions that hold the Company’s deposits are financially credit worthy and, accordingly, minimal credit risk exists with
respect to those balances. Generally, these deposits may be redeemed upon demand and, therefore, bear minimal interest rate risk.

The Company’s accounts receivable are derived from customers located principally in the United States. The Company maintains credit insurance for the
majority  of  its  customer  balances,  performs  ongoing  credit  evaluations  of  its  customers,  and  maintains  allowances  for  potential  credit  losses  on  customers’
accounts when deemed necessary. Credit losses historically have not been significant. The Company continuously monitors customer payments and maintains an
allowance  for  doubtful  accounts  based  on  its  assessment  of  various  factors  including  historical  experience,  age  of  the  receivable  balances,  and  other  current
economic conditions or other factors that may affect customers’ ability to pay.

The Company’s derivative instruments expose it to credit risk to the extent that its counterparties may be unable to meet the terms of the agreements. The
Company seeks to mitigate this risk by limiting counterparties to major financial institutions and by spreading the risk across several major financial institutions. In
addition, the potential risk of loss with any one counterparty resulting from this type of credit risk is monitored on an ongoing basis.

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Supplier Concentration

The Company relies on third parties for the supply and manufacture of its products, as well as third-party logistics providers. In instances where these parties

fail to perform their obligations, the Company may be unable to find alternative suppliers or satisfactorily deliver its products to its customers on time, if at all.

Inventories

Inventories consist of finished goods and component parts, which are purchased from contract manufacturers and component suppliers. Inventories are stated
at the lower of cost or market on a first-in, first-out basis. The Company assesses the valuation of inventory and periodically writes down the value for estimated
excess and obsolete inventory based upon estimates of future demand and market conditions.

Property and Equipment, Net

Property  and  equipment  are  stated  at  cost  less  accumulated  depreciation  and  amortization.  Depreciation  and  amortization  of  property  and  equipment  is
calculated using the straight-line method over the estimated useful lives of the assets. Cost of maintenance and repairs that do not improve or extend the lives of the
respective assets are expensed as incurred.

The useful lives of the property and equipment are as follows:

Tooling and manufacturing equipment

Furniture and office equipment

Purchased software

Capitalized internally-developed software

Leasehold improvements

Internally-Developed Software Costs

One to three years

Three years

Three years

Two to three years

Shorter of remaining lease term or ten years

The Company capitalizes eligible costs to acquire, develop, or modify internal-use software that are incurred subsequent to the preliminary  project stage.

Capitalized internally-developed software costs, net, were immaterial as of December 31, 2015 and 2014.

Research and Development

Research and development expenses consist primarily of personnel-related  expenses, consulting and contractor expenses, tooling and prototype materials,
and  allocated  overhead  costs.  Substantially  all  of  the  Company’s  research  and  development  expenses  are  related  to  developing  new  products  and  services  and
improving  existing  products  and  services.  To  date,  research  and  development  expenses  have  been  expensed  as  incurred,  because  the  period  between  achieving
technological feasibility and the release of products and services for sale has been short and development costs qualifying for capitalization have been insignificant.

Business Combinations, Goodwill, and Intangible Assets

The Company allocates the fair value of purchase consideration to tangible assets, liabilities assumed, and intangible assets acquired based on their estimated
fair  values.  The  excess  of  the  fair  value  of  purchase  consideration  over  the  fair  values  of  these  identifiable  assets  and  liabilities  is  allocated  to  goodwill.  The
allocation of the purchase consideration requires management to make significant estimates and assumptions, especially with respect to intangible assets. These
estimates can include, but are not limited to, future expected cash flows from acquired customers, acquired technology, and trade names from a market participant
perspective, useful lives, and discount rates. Management’s estimates of fair value are based upon assumptions believed to be reasonable, but which are inherently
uncertain and unpredictable and, as a result, actual results may differ from estimates. During the measurement period, which is up to one year from the acquisition
date, the Company may record adjustments to the assets acquired and liabilities assumed, with the corresponding offset to goodwill. Upon the conclusion of the
measurement period, any subsequent adjustments are recorded to earnings.

The Company assesses goodwill for impairment at least annually during the fourth quarter and whenever events or changes in circumstances indicate that the
carrying value of the asset may not be recoverable. Consistent with the determination that the Company has one reporting segment, the Company has determined
that there is one reporting unit and tests goodwill for impairment at the entity level. Goodwill is tested using the two-step process in accordance with ASC 350,
Intangibles—Goodwill and Other . In the first step, the carrying amount of the reporting unit is compared to the fair value based on the fair value of the Company’s

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common  stock.  If  the  fair  value  of  the  reporting  unit  exceeds  the  carrying  value,  goodwill  is  not  considered  impaired  and  no  further  testing  is  required.  If  the
carrying value of the reporting unit exceeds the fair value, goodwill is potentially impaired and the second step of the impairment test must be performed. In the
second step, the implied fair value of the goodwill, as defined by ASC 350, is compared to its carrying amount to determine the amount of impairment loss, if any.

Acquired  finite-lived  intangible  assets  are  amortized  over  their  estimated  useful  lives.  The  Company  evaluates  the  recoverability  of  intangible  assets  for
possible impairment whenever events or circumstances indicate that the carrying amount of such assets may not be recoverable. Recoverability of these assets is
measured  by  a  comparison  of  the  carrying  amounts  to  the  future  undiscounted  cash  flows  the  assets  are  expected  to  generate.  If  such  review  indicates  that  the
carrying amount of property and equipment and intangible assets is not recoverable, the carrying amount of such assets is reduced to fair value. The Company has
not recorded any such impairment charge during the years presented.

Impairment of Long-Lived Assets

The Company evaluates its long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may
not be recoverable. Recoverability is measured by comparison of the carrying amounts to the expected future undiscounted cash flows attributable to these assets.
If it is determined that an asset is not recoverable, an impairment loss is recorded in the amount by which the carrying amount of the assets exceeds the expected
discounted future cash flows arising from those assets.

Redeemable Convertible Preferred Stock Warrant Liability

The  Company’s  redeemable  convertible  preferred  stock  warrants  require  liability  classification  and  accounting  as  the  underlying  preferred  stock  is
considered  redeemable  as  discussed  in  Note  9.  At  initial  recognition,  the  warrants  are  recorded  at  their  estimated  fair  value.  The  warrants  are  subject  to
remeasurement at each balance sheet date, with changes in fair value recognized as a component of other expense, net. In connection with the Company’s IPO, the
Company remeasured  the liability  at  the time  of the IPO and then reclassified  the redeemable  convertible  preferred  stock warrant  liability  to additional  paid-in
capital as these warrants converted to Class B common stock warrants. See Note 9 for additional information. As of December 31, 2015, there were no longer any
redeemable convertible preferred stock warrants or any Class B common stock warrants outstanding.

Revenue Recognition

The Company derives substantially all of its revenue from sales of connected health and fitness devices and accessories. The Company also generates a small
portion  of  revenue  from  its  subscription-based  services.  The  Company  recognizes  revenue  when  persuasive  evidence  of  an  arrangement  exists,  delivery  has
occurred, the sales price is fixed or determinable, and collection is reasonably assured. The Company considers delivery of its products to have occurred once title
and risk of loss has been transferred. For customers where transfer of risk of loss is at the customer’s destination, the Company uses estimates to defer sales at the
end of the reporting period based on historical experience of average transit time. The Company recognizes revenue, net of estimated sales returns, sales incentives,
discounts, and sales tax. The Company generally recognizes revenue for products sold through retailers and distributors on a sell-in basis.

The Company enters into multiple element arrangements that include hardware, software, and services. The first deliverable is the hardware and firmware
essential to the functionality of the connected health and fitness device delivered at the time of sale. The second deliverable is the software services included with
the products, which are provided free of charge and enable users to sync, view, and access real-time data on the Company’s online dashboard and mobile apps. The
third deliverable is the embedded right included with the purchase of the device to receive, on a when-and-if-available basis, future unspecified firmware upgrades
and features relating to the product’s essential firmware. Commencing in the first quarter of 2015, the Company began accounting for the embedded right as a
separate unit of accounting, which is when it believes, through public announcements, it had created an implied obligation to, from time to time, provide future
unspecified  firmware  upgrades  and  features  to  the  firmware  to  improve  and  add  new  functionality  to  the  health  and  fitness  devices.  In  addition,  the  Company
occasionally offers a fourth deliverable in bundled arrangements that allows access to subscription-based services related to the Company’s FitStar offering.

The Company allocates revenue to all deliverables based on their relative selling prices. The Company uses a hierarchy to determine the selling price to be
used for allocating revenue to deliverables: (i) vendor-specific objective evidence (“VSOE”) of fair value, (ii) third-party evidence (“TPE”), and (iii) best estimate
of  the  selling  price  (“BESP”).  The  Company’s  process  for  determining  its  BESP  considers  multiple  factors  including  consumer  behaviors  and  the  Company’s
internal  pricing  model  and  may  vary  depending  upon  the  facts  and  circumstances  related  to  each  deliverable.  BESP  for  the  health  and  fitness  devices  and
unspecified upgrade rights reflect the Company’s best estimate of the selling prices if they were sold regularly on a stand-alone basis and comprises the majority of
the arrangement consideration. BESP for upgrade rights currently ranges from $1 to $3 . TPE for the

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online dashboard and mobile apps is currently estimated at $0.99 . VSOE for access to FitStar subscription-based services is based on the price charged when sold
separately.

Amounts allocated to the connected health and fitness devices are recognized at the time of delivery, provided the other conditions for revenue recognition
have been met. Amounts allocated to the online dashboard and mobile apps and unspecified upgrade rights are deferred and recognized on a straight-line basis over
their estimated usage period of approximately eight to thirteen months.

The Company offers its users the ability to purchase subscription-based services, through which the users receive incremental features, including access to a
digital personal trainer, in-depth analytics regarding the user’s personal metrics, or video-based customized workouts. Amounts paid for subscriptions are deferred
and recognized ratably over the service period which is typically one year. Revenue from subscription-based services was less than 1% of revenue for all periods
presented.

In  addition,  the  Company  offers  access  to  software  and  services  to  certain  customers  in  the  corporate  wellness  program,  which  includes  distribution
capabilities,  a  real-time  dashboard,  and  support  services.  The  Company  is  currently  unable  to  establish  VSOE  or  TPE  for  the  corporate  wellness  software  and
services. BESP for the corporate wellness software and services is determined based on the Company’s internal pricing model for anticipated renewals for existing
customers and pricing for new customers. Revenue allocated to the corporate wellness software and services is deferred and recognized on a straight-line basis over
the estimated access period of one year, which is the typical service period. Revenue for corporate wellness software and services was less than 1% of revenue for
all periods presented.

The Company accounts for shipping and handling fees billed to customers as revenue. Sales taxes and value added taxes (“VAT”) collected from customers

are remitted to governmental authorities are not included in revenue, and are reflected as a liability on the consolidated balance sheets.

Rights of Return, Stock Rotation Rights, and Price Protection

The Company offers limited rights of return, stock rotation rights, and price protection under various policies and programs with its retailer and distributor

customers and end-users. Below is a summary of the general provisions of such policies and programs:

•

•
•
•
•

Certain retailers and distributors are allowed to return products that were originally sold through to an end user, called “open box” returns, and such
returns may be made at any time after original sale.
All purchases through Fitbit.com are covered by a 45 -day right of return.
Distributors are allowed stock rotation rights which are limited rights of return of products purchased during a prior period, generally one quarter.
Distributors and retailers are allowed return rights for defective products.
Certain distributors are offered price protection that allows for the right to a partial credit for unsold inventory held by the distributor if the Company
reduces the selling price of a product.

The Company meets all conditions required to recognize revenue at the time of sale when a right of return exists. For example, the price to the buyer is fixed
or determinable at time of sale; the buyer’s obligation to pay is not contingent on resale of the product; and the Company is able to reasonably estimate the amount
of future returns. The Company estimates and records reserves for these policies and programs as a reduction of revenue and accounts receivable. On a quarterly
basis, the amount of revenue that is reserved for future returns is calculated based on the Company’s historical trends and data specific to each reporting period.
The  Company  reviews  the  actual  returns  evidenced  in  prior  quarters  as  a  percent  of  related  revenue  to  determine  the  historical  returns  rate.  It  then  applies  the
historical returns rate to the current period revenue as a basis for estimating future returns. Through December 31, 2015 , actual returns have primarily been open-
box returns. In addition, through December 31, 2015 , the Company has had minimal stock rotation or price protection claims. When necessary, the Company also
provides a specific reserve for product in the distribution channel in excess of estimated requirements. This estimate can be affected by the amount of a particular
product in the channel, the rate of sell-through, product plans, and other factors. The Company also considers whether there are circumstances which may result in
anticipated returns higher than the historical return rate from direct users and records an additional reserve as necessary.

Sales Incentives

The Company offers sales incentives through various programs, consisting primarily of cooperative advertising and marketing development fund programs.
The Company records advertising and marketing development fund programs with customers as a reduction to revenue unless it receives an identifiable benefit in
exchange for credits claimed by the customer and can reasonably

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estimate the fair value of the identifiable benefit received, in which case the Company records it as a marketing expense. The Company recognizes a liability and
reduces revenue for rebates or other incentives based on the estimated amount of rebates or credits that will be claimed by customers.

Cost of Revenue

Cost  of  revenue  consists  of  product  costs,  including  costs  of  contract  manufacturers  for  production,  shipping  and  handling  costs,  packaging,  warranty
replacement  costs,  fulfillment  costs,  manufacturing  and  tooling  equipment  depreciation,  warehousing  costs,  excess  and  obsolete  inventory  write-downs,  costs
related to the Fitbit Force product recall, and certain allocated costs related to management, facilities, and personnel-related expenses and other expenses associated
with supply chain logistics.

Advertising Costs and Point of Purchase (“POP”) Displays

Costs related to advertising and promotions, excluding co-op advertising costs, are expensed to sales and marketing as incurred. Advertising and promotion
expenses, including expenses for POP displays, for 2015, 2014, and 2013 were $237.0 million , $71.9 million , and $9.5 million , respectively. Co-op advertising
costs are recorded as a reduction to revenue, and for 2015, 2014, and 2013 were $38.3 million , $12.7 million , and $5.7 million , respectively.

The Company provides  retailers  with POP displays,  generally  free  of charge,  in order to facilitate  the  marketing  of the Company’s products within retail
stores.  Any amounts  capitalized  related  to the  costs  of the POP displays  are  recorded  as prepaid  expense  on the consolidated  balance  sheets  and  recognized  as
expense over the expected period of the benefit provided by these assets, which is generally 12 months. The related expenses are included in sales and marketing
expenses on the consolidated statements of operations.

Product Warranty

The  Company  offers  a  standard  product  warranty  that  the  product  will  operate  under  normal  use  for  a  period  of  one year from date of original purchase
except in the European Union where the Company provides a two -year warranty. The Company has the obligation, at its option, to either repair or replace the
defective product.

At  the  time  revenue  is  recognized,  an  estimate  of  future  warranty  costs  is  recorded  as  a  component  of  cost  of  revenues.  Factors  that  affect  the  warranty
obligation include product failure rates, service delivery costs incurred in correcting the product failures, and warranty policies. The warranty obligation does not
consider  historical  experience  of  the  Fitbit  Force  product  as  a  separate  reserve  has  been  established  for  the  Fitbit  Force  recall.  The  Company’s  products  are
manufactured by third-party contract manufacturers, and in certain cases, the Company may have recourse to such third-party contract manufacturers.

Fitbit Force Product Recall

The Company established reserves for the Fitbit Force recall when circumstances giving rise to the recall became known. It considered various factors in

estimating the product recall exposure. These include estimates for:

•

•

•

refunds  and  product  returns  from  retailer  and  distributor  customers  and  end-users,  which  were  charged  to  revenue  and  cost  of  revenue  on  the
consolidated statements of operations;
logistics and handling fees for managing product returns and processing refunds, obsolescence of on-hand inventory, cancellation charges for existing
purchase  commitments  and  rework  of  component  inventory  by  the  Company’s  contract  manufacturers,  write-offs  of  tooling  and  manufacturing
equipment, which were charged to cost of revenue on the consolidated statements of operations; and
legal fees and settlement costs, which were charged to general and administrative expenses on the consolidated statements of operations.

These factors above are updated and reevaluated each period and the related reserves are adjusted when factors indicate that the recall reserves are either

insufficient to cover or exceed the estimated product recall expenses.

Stock-Based Compensation

The Company measures its stock-based awards made to employees based on the estimated fair values of the awards as of the grant date using the Black-
Scholes option-pricing model. The fair value of restricted stock units (“RSUs”) is the fair value of the Company’s common stock on the grant date. Stock-based
compensation expense is recognized over the requisite service period on a straight-line basis and is recorded net of estimated forfeitures.

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Stock-based compensation expenses for options granted to non-employees as consideration for services received are measured on the date of performance at
the fair value of the consideration received or the fair value of the equity instruments issued, using the Black-Scholes option-pricing model, whichever can be more
reliably measured. Stock-based compensation expenses for options granted to non-employees are remeasured as the underlying options vest.

The Company recognizes tax benefits related to stock-based compensation to the extent that the total reduction to its income tax liability from stock-based
compensation is greater than the amount of the deferred tax assets previously recorded in anticipation of these benefits. The Company recognizes a benefit from
stock-based compensation in equity to the extent that an incremental tax benefit is realized by following the ordering provisions of the tax laws.

Segment Information

The  Company  operates  as  one operating  segment  as  it  only  reports  financial  information  on  an  aggregate  and  consolidated  basis  to  its  Chief  Executive

Officer, who is the Company’s chief operating decision maker.

Income Taxes

The Company utilizes the asset and liability method of accounting for income taxes, which requires the recognition of deferred tax assets and liabilities for
expected future consequences of temporary differences between the financial reporting and income tax bases of assets and liabilities using enacted tax rates. The
Company makes estimates, assumptions, and judgments to determine its expense for income taxes and also for deferred tax assets and liabilities and any valuation
allowances recorded against its deferred tax assets. The Company assesses the likelihood that its deferred tax assets will be recovered from future taxable income
and, to the extent it believes that recovery is not likely, the Company establishes a valuation allowance.

The calculation of the Company’s income tax expense involves the use of estimates, assumptions, and judgments while taking into account current tax laws,
its interpretation of current tax laws, and possible outcomes of future tax audits. The Company has established reserves to address potential exposures related to tax
positions that could be challenged by tax authorities. Although the Company believes its estimates, assumptions, and judgments to be reasonable, any changes in
tax  law  or  its  interpretation  of  tax  laws  and  the  resolutions  of  potential  tax  audits  could  significantly  impact  the  amounts  provided  for  income  taxes  in  its
consolidated financial statements.

The calculation of the Company’s deferred tax asset balance involves the use of estimates, assumptions, and judgments while taking into account estimates
of the amounts and type of future taxable income. Actual future operating results and the underlying amount and type of income could differ materially from the
Company’s estimates, assumptions, and judgments, thereby impacting its financial position and operating results.

The Company includes interest and penalties related to unrecognized tax benefits within income tax expense. Interest and penalties related to unrecognized

tax benefits have been recognized in the appropriate periods presented.

Net Income (Loss) per Share Attributable to Common Stockholders

Basic and diluted net income per share attributable to common stockholders is presented in conformity with the two-class method required for participating
securities. The Company considers its redeemable convertible preferred stock to be participating securities. The holders of the redeemable convertible preferred
stock did not have a contractual obligation to share in losses. In accordance with the two-class method, earnings allocated to these participating securities and the
related number of outstanding shares of the participating securities, which include contractual participation rights in undistributed earnings, have been excluded
from the computation of basic and diluted net income per share attributable to common stockholders. For the calculation of diluted EPS, net income attributable to
common stockholders for basic EPS is adjusted by the effect of dilutive securities. Diluted net income per share attributable to common stockholders is computed
by dividing the net income attributable to common stockholders by the weighted-average number of common shares outstanding, including all potentially dilutive
common shares, if the effect of such shares is dilutive.

In connection with the IPO, the Company established two classes of authorized common stock: Class A common stock and Class B common stock. As a
result, all then-outstanding shares of common stock were converted into shares of Class B common stock. The rights of the holders of Class A common stock and
Class B common stock are identical, except with respect to voting and conversion. Each share of Class A common stock is entitled to one vote per share and each
share of Class B common stock is entitled to ten votes per share. Each share of Class B common stock is convertible at any time at the option of the stockholder
into one share of Class A common stock, generally automatically converts into Class A common stock upon a transfer, and has no expiration date. The Company
applies the two-class method of calculating earnings per share, but as the dividend rights of both classes are identical, basic and diluted earnings per share are the
same for both classes.

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In 2013 ,  basic  net  loss  per  share  attributable  to  common  stockholders  is  calculated  by  dividing  the  net  loss  attributable  to  common  stockholders  by  the
weighted-average number of shares of common stock outstanding during the period without consideration of common stock equivalents or the participation rights
of  the  preferred  stock  as  they  do  not  share  in  losses.  As  the  Company  was  in  a  net  loss  position  in  2013,  basic  net  loss  per  share  attributable  to  common
stockholders is the same as diluted net loss per share attributable to common stockholders as the inclusion of all potential shares of common stock outstanding
would have been anti-dilutive.

Recent Accounting Pronouncements

In May 2014, the FASB issued ASU 2014-09 (ASC 606), Revenue from Contracts with Customers , which affects any entity that either enters into contracts
with  customers  to  transfer  goods  and  services  or  enters  into  contracts  for  the  transfer  of  nonfinancial  assets.  ASU  2014-09  will  replace  most  existing  revenue
recognition guidance in U.S. GAAP when it becomes effective. The standard’s core principle is that a company will recognize revenue when it transfers promised
goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods or services. In
doing  so,  companies  will  need  to  use  more  judgment  and  make  more  estimates  than  under  the  currently  effective  guidance.  These  may  include  identifying
performance obligations in the contract, estimating the amount of variable consideration to include in the transaction price and allocating the transaction price to
each  separate  performance  obligation.  ASU  2014-09  is  effective  for  annual  periods  beginning  after  December  15,  2016,  including  interim  periods  within  that
period. Early adoption is not permitted. The FASB recently issued an exposure draft of a proposed ASU that would delay the effective date of ASU 2014-09 by
one  year  and  allow  for  early  adoption.  In  July  2015,  the  FASB  approved  a  one-year  deferral  of  the  effective  date  of  the  standard.  ASU  2014-09  will  become
effective  for  the  Company  on  January  1,  2018  and  can  be  adopted  either  retrospectively  to  each  prior  reporting  period  presented  or  as  a  cumulative  effect
adjustment as of the date of adoption. Early adoption is permitted but not before the original effective date of annual periods beginning after December 15, 2016.
The Company is currently evaluating the impact of this guidance on its consolidated financial statements.

In  November  2015,  the  FASB  issued  ASU  2015-17,  Balance  Sheet  Classification  of  Deferred  Taxes  .  This  ASU requires  that  all  deferred  tax  assets  and
liabilities,  along  with  any  related  valuation  allowance,  be  classified  as  noncurrent  on  the  balance  sheet.  The  Company  early  adopted  this  accounting  standard
retrospectively in its fourth quarter of 2015. Within the consolidated balance sheet as of December 31, 2014, the Company reclassified $33.6 million of current
deferred tax assets and  $8.4 million  of other assets to noncurrent deferred tax assets.

In  February  2016,  the  FASB  issued  ASU  2016-02,  Leases .  This  ASU  requires  lease  assets  and  lease  liabilities  arising  from  leases,  including  operating
leases, to be recognized on the balance sheet. ASU 2016-02 will become effective for the Company on January 1, 2019, and requires adoption using a modified
retrospective approach. The Company is currently evaluating the impact of this guidance on its consolidated financial statements.

4.    Fair Value Measurements

The carrying values of the Company’s accounts receivable and accounts payable, approximated their fair values due to the short period of time to maturity or
repayment. The carrying value of the Company’s long-term debt approximates its fair value as of December 31, 2014 , as the debt carries a variable rate or market
rates currently available to the Company and other assumptions have not changed significantly.

The  following  tables  set  forth  the  Company’s  financial  instruments  that  were  measured  at  fair  value  on  a  recurring  basis  by  level  within  the  fair  value

hierarchy (in thousands):

Assets:

Money market funds

U.S. government agencies

Corporate debt securities

Derivative assets

Total

Liabilities:

Derivative liabilities

Level 1

Level 2

Level 3

Total

December 31, 2015

248,128   $

—   $

—  

—  

—  

113,314  

193,964  

6,002  

248,128   $

313,280   $

—   $

—  

—  

—  

—   $

248,128

113,314

193,964

6,002

561,408

—   $

2,640   $

—   $

2,640

$

$

$

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Assets:

Derivative assets

Liabilities:

Redeemable convertible preferred stock warrant liability

Derivative liabilities

Total

Level 1

Level 2

Level 3

Total

December 31, 2014

$

$

$

—   $

316   $

—   $

316

—   $

—  

—   $

—   $

105  

105   $

15,797   $

—  

15,797   $

15,797

105

15,902

The fair value of the Company’s Level 1 financial instruments is based on quoted market prices in active markets for identical instruments. The fair value of
the Company’s Level 2 financial instruments is based on observable inputs other than quoted prices in active markets for identical assets and liabilities, quoted
prices  for  identical  or  similar  assets  or  liabilities  in  inactive  markets,  or  other  inputs  that  are  observable  or  can  be  corroborated  by  observable  market  data.  In
addition, level 2 assets and liabilities are comprised of derivative financial instruments associated with hedging activity is further discussed in Note 5. Derivative
financial instruments are initially measured at fair value on the contract date and are subsequently remeasured to fair value at each reporting date using inputs such
as spot rates and forward rates. There is not an active market for each hedge contract, but the inputs used to calculate the value of the instruments are tied to active
markets.

The Company’s Level 3 liabilities measured and recorded on a recurring basis consist of the redeemable  convertible preferred stock warrant liability and
contingent  consideration.  The  fair  value  of  the  warrant  liability  is  calculated  using  an  option-pricing  model  as  discussed  in  Note  9.  Generally,  increases  or
decreases in the fair value of the underlying redeemable convertible preferred stock would result in a directionally similar impact in the fair value measurement of
the associated warrant liability. The unexercised warrants to purchase redeemable convertible preferred stock were converted into warrants to purchase shares of
Class  B common  stock  upon  the  closing  of  the  IPO.  As a  result,  the  Company  revalued  and  reclassified  the  redeemable  convertible  preferred  stock  liability  to
additional paid-in capital upon the closing of the IPO. The following table sets forth a summary of the changes in the fair value of the redeemable  convertible
preferred stock warrant liability (in thousands):

Balance at December 31, 2012

Fair value of redeemable convertible preferred stock warrants issued

Change in fair value

Balance at December 31, 2013

Settlement of warrant liability upon exercise

Change in fair value

Balance at December 31, 2014

Change in fair value

Settlement of warrant liability upon exercise

Reclassification of unexercised warrants to additional paid in capital upon the IPO

Balance at December 31, 2015

$

$

488

170

3,370

4,028

(1,503)

13,272

15,797

56,655

(56,678)

(15,774)

—

The Company’s acquisition-related contingent consideration is determined using the Monte Carlo simulation method. The increases or decreases in the fair
value of the contingent consideration payable could result from changes in the anticipated fair value of the Company’s common stock, stock price volatility, and
probability of various market-based scenarios. As the fair value measure is based on significant inputs that are not observable in the market, they are categorized as
Level 3. For additional information on the contingent consideration, see Note 15.

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The following table sets forth a summary of the changes in the fair value of the acquisition-related contingent consideration (in thousands):

Balance at December 31, 2014

Addition from acquisition

Change in fair value of contingent consideration

Balance at December 31, 2015

There have been no transfers between fair value measurement levels during 2014 and 2015 .

5.    Financial Instruments

Cash, Cash Equivalents, and Marketable Securities

$

$

—

7,704

(7,704)

—

The following table sets forth the cash, cash equivalents, and marketable securities as of December 31, 2015 (in thousands):

Cash

Money market funds

U.S. government agencies

Corporate debt securities

Total

Amortized
Cost
109,072   $

248,128  

113,315  

194,018  

664,533   $

$

$

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Fair Value

Cash and
Cash
Equivalents

Marketable
Securities

—   $

—  

3  

1  

4   $

—   $

109,072   $

109,072   $

—  

(4)

(55)

248,128  

113,314  

193,964  

248,128  

63,464  

115,182  

—

—

49,850

78,782

(59)

  $

664,478   $

535,846   $

128,632

As of December 31, 2014, the Company did not carry any investments in marketable securities.

All available-for-sale investments as of December 31, 2015 have a contractual maturity of one year or less. The following table presents fair values and gross

unrealized losses of investments that have been in an unrealized loss position for less than twelve months as of December 31, 2015 (in thousands):  

U.S. government agencies

Corporate debt securities

Total

Fair
Value

$

$

113,314   $

193,964  

307,278   $

Gross
Unrealized
Losses

(4)

(55)

(59)

There  were  no available-for-sale  investments  as  of  December  31,  2015  that  have  been  in  a  continuous  unrealized  loss  position  for  greater  than  twelve

months.

Derivative Financial Instruments

The Company operates in foreign countries, which exposes it to market risk associated with foreign currency exchange rate fluctuations between the U.S.
dollar  and  various  foreign  currencies.  In  order  to  manage  this  risk,  the  Company  may  hedge  a  portion  of  its  foreign  currency  exposures  related  to  outstanding
monetary assets and liabilities as well as forecasted revenues and expenses, using foreign currency exchange forward or option contracts. In general, the market
risk related to these contracts is offset by corresponding gains and losses on the hedged transactions. The Company does not enter into derivative contracts for
trading or speculative purposes.

Cash Flow Hedges

Beginning in the third quarter of 2015, the Company has entered into foreign currency derivative contracts designated as cash flow hedges to hedge certain
forecasted revenue and expense transactions denominated in currencies other than the U.S. dollar. The Company’s cash flow hedges consist of forward contracts
with maturities of 12 months or less.

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The Company periodically assesses the effectiveness of its cash flow hedges. Effectiveness represents a derivative instrument’s ability to generate offsetting
changes in cash flows related to the hedged risk. All elements of the hedged transaction are included in the effectiveness assessment. The Company records the
gains or losses, net of tax, related to the effective portion of its cash flow hedges as a component of accumulated other comprehensive income in stockholders’
equity  and  subsequently  reclassifies  the  gains  or  losses  into  revenue  and  operating  expenses  when  the  underlying  hedged  transactions  are  recognized.  The
Company records the gains or losses related to the ineffective portion of the cash flow hedges, if any, immediately in other expense, net. If the hedged transaction
becomes probable of not occurring, the corresponding amounts in accumulated other comprehensive income would immediately be reclassified as ineffectiveness
to other expense, net. Cash flows related to the Company’s cash flow hedging program are recognized as cash flows from operating activities in its statements of
cash flows.

The Company had outstanding contracts with a total notional amount of $346.6 million and $34.9 million in cash flow hedges for forecasted revenue and

expense transactions, respectively, as of December 31, 2015.

Balance Sheet Hedges

The Company enters into foreign exchange contracts to hedge monetary assets and liabilities that are denominated in currencies other than the functional
currency of its subsidiaries. These foreign exchange contracts are carried at fair value, do not qualify for hedge accounting treatment and are not designated as
hedging instruments. Changes in the value of the foreign exchange contracts are recognized in other expense, net and offset the foreign currency gain or loss on the
underlying net monetary assets or liabilities.

The notional amount of foreign currency contracts open in U.S. dollar equivalents was $47.2 million and $37.2 million as of December 31, 2015 and 2014,

respectively.

Fair Value of Foreign Currency Derivatives

The foreign currency derivative contracts that were not settled at the end of the period are recorded at fair value, on a gross basis, in the consolidated balance

sheets. The following table presents the fair value of the Company’s foreign currency derivative contracts as of the dates presented (in thousands):

Balance Sheet Location

December 31, 2015

December 31, 2014

Fair
Value
Derivative
Assets

Fair
Value
Derivative
Liabilities

Fair
Value
Derivative
Assets

Fair
Value
Derivative
Liabilities

Cash flow designated hedges

Prepaid expense and other current assets

  $

3,116   $

—   $

—   $

Cash flow designated hedges

Accrued liabilities

Hedges not designated

Hedges not designated

Prepaid expense and other current assets

Accrued liabilities

—  

2,886  

—  

1,327  

—  

1,313  

—  

316  

—  

Total fair value of derivative instruments

  $

6,002   $

2,640   $

316   $

—

—

—

105

105

Financial Statement Effect of Foreign Currency Derivative Contracts

The following table presents the pre-tax  impact  of the Company’s foreign currency  derivative  contracts  on other comprehensive  income (“OCI”) and the

consolidated statement of operations for the periods presented (in thousands):  

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Foreign exchange cash flow hedges:

Gain (loss) recognized in OCI—effective portion

Gain (loss) reclassified from OCI into income—effective portion

Gain (loss) reclassified from OCI into income—effective portion

Gain (loss) recognized in income—ineffective portion

Foreign exchange balance sheet hedges:

Gain (loss) recognized in income

Income Statement Location

2015

2014

Year Ended
December 31,

Revenue

Operating expenses

Other expense, net

  $

2,785   $

2,183  

(899)  

202  

—

—

—

—

Other expense, net

  $

5,861   $

211

As of December 31, 2015, all net derivative gains related to the Company’s cash flow hedges will be reclassified from OCI into net income within the next

12 months.

Offsetting of Foreign Currency Derivative Contracts

The Company presents its derivative assets and derivative liabilities at gross fair values in the consolidated balance sheets. In July 2015, the Company started
to enter into master netting arrangements, which mitigate credit risk by permitting net settlement of transactions with the same counterparty. The Company is not
required to pledge, and is not entitled to receive, cash collateral related to these derivative instruments.

The following table sets forth the available offsetting of net derivative assets under the master netting arrangements as of December 31, 2015 (in thousands):

Gross Amounts
of Recognized
Assets

Gross Amounts
Offset in the
Condensed
Consolidated
Balance Sheets

Net Amounts
Presented in
Condensed
Consolidated
Balance Sheets

Gross Amounts Not
Offset in Condensed
Consolidated Balance
Sheets

Financial
Instruments

Cash
Collateral
Received

Net
Amount

Foreign exchange contracts

$

6,002   $

—   $

6,002   $

2,100   $

—   $

3,902

The  following  table  sets  forth  the  available  offsetting  of  net  derivative  liabilities  under  the  master  netting  arrangements  as  of  December  31,  2015  (in

thousands):

Gross Amounts
of Recognized
Liabilities

Gross Amounts
Offset in the
Condensed
Consolidated
Balance Sheets

Net Amounts
Presented in
Condensed
Consolidated
Balance Sheets

Gross Amounts Not
Offset in Condensed
Consolidated Balance
Sheets

Financial
Instruments

Cash
Collateral
Pledged

Net
Amount

Foreign exchange contracts

$

2,640   $

—   $

2,640   $

2,100  

  $

540

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6.    Balance Sheet Components

Accounts Receivable Reserves

Changes in accounts receivable reserves were as follows (in thousands):

Balance at December 31, 2012

Increases

Write-offs/returns taken

Balance at December 31, 2013

Increases

Write-offs/returns taken

Balance at December 31, 2014

Increases

Write-offs/returns taken

Balance at December 31, 2015

Inventories

Inventories consisted of the following (in thousands):

Components

Finished goods

Total inventories

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

Prepaid income taxes

POP displays, net

Derivative assets

Prepaid expenses and other current assets

Total prepaid expenses and other current assets

79

Allowance for
Doubtful
Accounts

Revenue
Reserve

$

92

  $

651

—  

743

864

(769)

838

1,115

(128)

$

1,825

  $

3,187

20,307

(8,078)

15,416

42,740

(31,597)

26,559

169,677

(122,191)

74,045

December 31,

2015

2014

5,359   $

172,787  

178,146   $

53,383

61,689

115,072

December 31,

2015

2014

11,889   $

9,990  

6,002  

15,649  

43,530   $

—

7,121

316

6,177

13,614

$

$

$

$

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Property and Equipment, Net

Property and equipment, net, consisted of the following (in thousands):

Tooling and manufacturing equipment

Furniture and office equipment

Purchased and internally-developed software

Leasehold improvements

Total property and equipment

Less: Accumulated depreciation and amortization

Property and equipment, net

Goodwill and Intangible Assets

December 31,

2015

2014

$

$

53,092   $

6,809  

3,794  

8,388  

72,083  

(27,582)  

44,501   $

28,344

2,891

1,396

3,594

36,225

(9,790)

26,435

The changes in the carrying amount of goodwill for 2015 were as follows (in thousands). See Note 15 for additional information.

Balance at December 31, 2014

Goodwill acquired

Subsequent goodwill adjustments

Balance at December 31, 2015

Goodwill

—

22,562

(405)

22,157

$

$

There  were  no  recognized  intangible  assets  outstanding  as  of  December  31,  2014.  The  carrying  amounts  of  the  intangible  assets  as  of  December  31,

2015 were as follows (in thousands, except useful life). See Note 15 for additional information.

Developed technology

Trademarks and other

Total intangible assets, net

December 31, 2015

Gross

Accumulated
Amortization

Net

$

$

12,640   $

1,278  

13,918   $

(1,442)   $

(260)  

(1,702)   $

11,198  

1,018  

12,216    

Weighted
Average
Remaining
Useful Life
(years)
6.3

4.1

Total amortization expense related to intangible assets was  $1.7 million  for 2015, respectively.

The estimated future amortization expense of acquired intangible assets to be charged to cost of revenue and operating expenses after 2015, is as follows (in

thousands):

2016

2017

2018

2019

2020

Thereafter

Total intangible assets, net

Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

80

Cost of
Revenue

Operating
Expenses

Total

1,806   $

281   $

1,806  

1,806  

1,806  

1,806  

2,168  

230  

230  

230  

47  

—  

2,087

2,036

2,036

2,036

1,853

2,168

11,198   $

1,018   $

12,216

$

$

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Product warranty

Accrued sales and marketing

Accrued co-op advertising and marketing development funds

Employee related liabilities

Accrued sales incentives

Accrued manufacturing expense and freight

Sales taxes and VAT payable

Inventory received but not billed

Accrued legal fees

Derivative liabilities

Customer deposits

Other

Accrued liabilities

Product warranty reserve activities were as follows (in thousands):

Balance at December 31, 2012

Charged to cost of revenue

Settlement of claims

Balance at December 31, 2013

Charged to cost of revenue

Settlement of claims

Balance at December 31, 2014

Charged to cost of revenue

Changes in estimate related to pre-existing warranties

Settlement of claims

Balance at December 31, 2015

December 31,

2015

2014

$

40,212   $

33,389  

29,077  

27,394  

24,324  

10,723  

8,349  

4,292  

3,138  

2,640  

2,062  

9,377  

$

194,977   $

20,098

154

7,679

4,115

3,426

16,229

2,291

6,242

678

105

6,391

3,532

70,940

Reserve  For
Product
Warranty (1)

2,232

9,078

(2,830)

8,480

19,462

(7,844)

20,098

55,642

(8,968)

(26,560)

40,212

$

$

(1) Does not include reserves established as a result of the recall of the Fitbit Force. See the section titled “—Fitbit Force Recall Reserve” for additional information regarding such reserves.

The changes in estimate related to pre-existing warranties resulted from a reduction in the estimated number of units to be replaced and in the estimated cost

of replacement units based on additional historical experience.

Fitbit Force Recall Reserve

In March 2014, the Company announced a recall for one of its products, the Fitbit Force (“Fitbit Force Recall”). The product recall, which is regulated by the
U.S. Consumer Product Safety Commission, covered all Fitbit Force units sold since the product was first introduced in October 2013. The product recall program
has no expiration date.

As a result of the product recall, the Company established reserves that include cost estimates for customer refunds, logistics and handling fees for managing
product  returns  and  processing  refunds,  obsolescence  of  on-hand  inventory,  cancellation  charges  for  existing  purchase  commitments  and  rework  of  component
inventory with the contract manufacturer, write-offs of tooling and manufacturing equipment, and legal settlement costs.

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Fitbit Force recall reserve activities were as follows (in thousands):

Balance at December 31, 2012

Charged to revenue

Charged to cost of revenue

Charged to general and administrative

Settlement of claims

Balance at December 31, 2013

Charged to revenue

Charged to cost of revenue

Charged to general and administrative

Settlement of claims

Balance at December 31, 2014

Benefit to cost of revenue

Benefit to general and administrative

Settlement of claims

Balance at December 31, 2015

Reserve For
Fitbit Force
Recall

—

30,607

49,493

2,838

—

82,938

8,112

11,339

505

(80,418)

22,476

(5,755)

(1,174)

(10,425)

5,122

$

$

During 2013, the Company recorded excess and obsolete Fitbit Force inventory-related amounts of $10.3 million , included in the reserve, and wrote-off $1.7
million for specialized Fitbit Force tooling and manufacturing equipment to cost of revenue as incurred in the consolidated statement of operations. During 2014,
legal fees of $2.9 million were recognized as incurred, in addition to legal settlement costs of $0.5 million related to the Fitbit Force recall, which were included in
general and administrative costs in the consolidated statement of operations. During 2015, a benefit to cost of revenue of  $5.8 million was recognized due to a
change in estimate of costs to fulfill Fitbit Force returns. In addition, a benefit to legal expenses of $4.4 million was recognized in general and administrative costs,
of which $1.2 million was previously included in the Fitbit Force recall reserve, due to the settlement of Fitbit Force legal liabilities. See Note 8. for additional
information on the legal settlement.

Accumulated Other Comprehensive Income

The components and activity of accumulated other comprehensive income (“AOCI”), net of tax, were as follows (in thousands):

Unrealized Gains on Cash
Flow Hedges

Currency Translation
Adjustments

Unrealized Gains (Losses) on
Available-for-Sale
Investments

Total

Balance at December 31, 2014

Other comprehensive income (loss) before
reclassifications

Amounts reclassified from AOCI

Other comprehensive income (loss)

Balance at December 31, 2015

$

$

—   $

37

  $

—   $

1,276

(525)

751

751

  $

(42)

—  

(42)

(5)

  $

(63)

8

(55)

(55)

  $

37

1,171

(517)

654

691

Other comprehensive income consisted only of currency translation adjustments of an immaterial amount in 2014, and there was no other comprehensive

income in 2013.

7.    Long-Term Debt

2012 Financing Facility

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In August 2012, the Company entered into a debt agreement with Silicon Valley Bank (“SVB”) with a borrowing capacity of $26.0 million consisting of a
$14.0 million revolving line of credit, a $3.0 million senior term loan, and a $9.0 million mezzanine term loan facility. The revolving line of credit, senior term
loan, and mezzanine term loan facility were all terminated in August 2014.

2014 Credit Agreement

In August 2014, the Company entered into an amended and restated credit agreement (“Asset-Based Credit Facility”) with SVB, as administrative agent and
lender, and several other lenders, including affiliates of Morgan Stanley & Co. LLC, SunTrust Robinson Humphrey, Inc., and Deutsche Bank Securities Inc . The
Asset-Based Credit Facility allowed the Company to borrow up to the lesser of (i)  $180.0 million , including up to $50.0 million for the issuance of letters of credit
and  up to  $25.0 million for  swing  line  loans  and  (ii)  the  borrowing  base  then  in  effect  less  the  amount  then  outstanding  under  letters  of  credit  and  loans.  The
borrowing base is determined by the Company’s collateral agents based on several variables, including percentages of the book value of certain eligible accounts
receivable and a percentage of certain eligible inventories. Borrowings under the Asset-Based Credit Facility could be drawn as Alternate Base Rate or ABR loans
or Eurodollar loans. ABR loans bore interest at a variable rate equal to the applicable margin plus the highest of (i) the prime rate, (ii) the federal funds effective
rate plus 0.5% , and (iii) the Eurodollar rate plus 1.0% , but in any case at a minimum rate of 3.25%  per annum. Eurodollar loans bore interest at a variable rate
based on the LIBOR rate and Euro currency reserve requirements. The Company was also required to pay an annual commitment fee on the average daily unused
portion of the facility of 0.25% , 0.35% , or 0.45% , based on usage of the facility. As of December 31, 2014, the effective interest rate on the revolving line of
credit was 4.25 %

The  Asset-Based  Credit  Facility  required  the  Company  to  comply  with  certain  financial  covenants,  including  maintaining  a  consolidated  fixed  charge
coverage ratio of at least 1. 1 :1, consolidated leverage ratios of between 3 :1 and 2 :1, and levels of liquidity of not less than $15.0 million . The Asset-Based
Credit  Facility  also  required  the  Company  to  comply  with  certain  non-financial  covenants.  The  Company  was  in  compliance  with  these  covenants  as  of
December 31, 2014.

As of December 31, 2014, the Company had $125.0 million of outstanding borrowings under the Asset-Based Credit Facility. In January 2015, the Company

repaid $125.0 million of its indebtedness under the Asset-Based Credit Facility. The Asset-Based Credit Facility was terminated in December 2015.

2014 Revolving Credit and Guarantee Agreement

In August 2014, the Company entered into a revolving credit and guarantee agreement (“Cash Flow Facility”) with an affiliate of Morgan Stanley & Co.
LLC,  as  administrative  agent  and  collateral  agent,  and  several  other  lenders,  including  SVB  and  an  affiliate  of  SunTrust  Robinson  Humphrey,  Inc.  In  October
2014, the Company entered into an incremental joinder agreement with an affiliate of Barclays Capital, Inc., which amended the Cash Flow Facility to increase the
borrowing limit under the Cash Flow Facility. The Cash Flow Facility allowed the Company to borrow up to $50.0 million , including up to $10.0 million for the
issuance of letters of credit and up to $10.0 million for swing line loans. Borrowings under the Cash Flow Facility could be drawn as ABR loans or Eurodollar
loans. ABR loans under our Cash Flow Facility bore interest at a variable rate equal to the applicable margin plus the highest of (i)  3.5% , (ii) the prime rate,
(iii)  the federal  funds  effective  rate  plus  0.5% ,  and  (iv)  the  adjusted  LIBOR  rate  plus  1.0% .  Eurodollar  loans  under  the  Cash  Flow  Facility  bore  interest  at  a
variable rate for any day based on the LIBOR rate and Euro currency reserve requirements. The Company was also required to pay an annual commitment fee on
the average daily unused portion of the facility of 0.375% or 0.5% , based on usage of the facility. As of December 31, 2014, the effective interest rate on the
revolving line of credit was 3.59% . The Cash Flow Facility also required the Company to comply with certain financial covenants, including maintaining certain
consolidated leverage ratios of between 3 :1 and 2 :1, and other non-financial covenants.

As of December 31, 2014, the Company had $8.0 million of outstanding borrowings under the Cash Flow Facility. In March 2015, the Company repaid $8.0

million of its indebtedness under the Cash Flow Facility. The Cash Flow Facility was terminated in December 2015.

2015 Credit Agreement

In December 2015, the Company entered into a second amended and restated credit agreement, or Senior Facility, with Silicon Valley Bank, or SVB, as
administrative agent, collateral agent, and lender, SunTrust Bank as syndication agent, SunTrust Robinson Humphrey, Inc. and several other lenders to replace the
existing asset-based credit facility and cash flow facility. This Senior Facility allows the Company to borrow up to $250.0 million , including up to a $50.0 million
for the issuance of letters of credit and up to $25.0 million for swing line loans. Borrowings under the Senior Facility may be drawn as Alternate Base Rate, or
ABR, loans or Eurodollar loans, and matures in December 2020. ABR loans bear interest at a variable rate equal to the applicable

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margin plus the highest of (i) the prime rate, (ii) the federal funds effective rate plus 0.5% , and (iii) the Eurodollar rate plus 1.0% , but in any case at a minimum
rate of 3.25%  per  annum.  Eurodollar  loans  bear  interest  at  a  variable  rate  based  on  the  LIBOR  rate  and  Eurodollar  reserve  requirements,  but  in  any  case  at  a
minimum rate of 1.0% per annum.

The Company has the option to repay our borrowings under the Senior Facility without penalty prior to maturity. The Senior Facility requires the Company
to comply with certain financial covenants, including maintaining a consolidated fixed charge coverage ratio of at least 1.15:1 , and a consolidated leverage ratio of
less than 3:1 . The Senior Facility also requires the Company to comply with certain non-financial covenants. Subsequent to December 31, 2015, the Company
requested and received a waiver from the lender group to extend the deadline for compliance of a non-financial covenant to March 1, 2016. The Company expects
to remain in compliance with the debt covenants, however, no assurances can be provided that the Company will continue to remain in compliance with the debt
covenants. Obligations under the credit facility are secured by substantially all of our assets, excluding our intellectual property. As of December 31, 2015, there
were no outstanding borrowings under the Senior Facility.

The fair value of warrants issued in connection with debt agreements prior to 2012 was recorded as a debt discount and is amortized to interest expense using
the straight-line method which approximated the effective interest method over the term of the related debt agreement. In addition, capitalized issuance costs are
amortized  to  interest  expense  over  the  term  of  the  related  financing  arrangement  on  a  straight-line  basis.  Interest  expense  for  2015,  2014,  and  2013  was  $1.0
million , $2.2 million , and $1.1 million , respectively.

Letters of Credit

As  of  December  31,  2015  and  2014,  the  Company  had  outstanding  letters  of  credit  of  $17.1  million  and $2.9  million  ,  respectively,  issued  to  cover  the

security deposit on the lease of its office headquarters in San Francisco, California, and other facility leases.

8.    Commitments and Contingencies

Leases

The Company’s principal facility is located in San Francisco, California. The Company also leases office space in various locations with expiration dates
between 2016 and 2024. The lease agreements often include leasehold improvement incentives, escalating lease payments, renewal provisions and other provisions
which require the Company to pay taxes, insurance, maintenance costs or defined rent increases. All of Company’s leases are accounted for as operating leases.

Rent expense is recorded over the lease terms on a straight-line basis. Rent expense was $8.4 million , $4.1 million , and $0.9 million for 2015, 2014, and

2013, respectively.

Future minimum payments under the leases as of December 31, 2015 were as follows (in thousands):

Year ending December 31,
2016

2017

2018

2019

2020

Thereafter

Total

Purchase Commitments

$

Amounts

16,843

20,825

19,835

18,789

15,312

52,020

$

143,624

The aggregate amount of purchase orders open as of December 31, 2015 was approximately $452.4 million . The Company cannot determine the aggregate
amount  of  such  purchase  orders  that  represent  contractual  obligations  because  purchase  orders  may  represent  authorizations  to  purchase  rather  than  binding
agreements. The Company’s purchase orders are based on its current needs and are fulfilled by its suppliers, contract manufacturers, and logistics providers within
short periods of time.

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Legal Proceedings

Fitbit Force. In 2014, class action and personal injury lawsuits were filed against the Company based upon claims of allergic reactions from adhesives in the
Fitbit Force, and alleged violations of various state false advertising and unfair competition statutes based on the Company’s sale and marketing of the Fitbit Force.
The class action cases were settled in 2014. Certain personal injury complaints remain outstanding, including several complaints filed in 2015. In the fourth quarter
of 2015, the Company received proceeds from the insurance policies that apply to these claims and related legal fees, and the Company recorded an accrual for
liabilities arising under these claims that was immaterial and falls within the proceeds received.

Fitbit Zip, Fitbit One, Fitbit Flex, Fitbit Charge, Fitbit Charge HR, and Fitbit Surge. In 2014, one personal injury lawsuit was filed against the Company
based upon claims of skin irritation from the Fitbit Flex. Additional lawsuits were filed in 2015 based upon claims of personal injury from the Fitbit Zip, Fitbit
One,  Fitbit  Flex,  Fitbit  Charge,  Fitbit  Charge  HR,  and  Fitbit  Surge.  These  personal  injury  complaints  remain  outstanding.  In  the  fourth  quarter  of  2015,  the
Company  received  proceeds  from  the  insurance  policies  that  apply  to  these  claims  and  related  legal  fees,  and  the  Company  recorded  an  accrual  for  liabilities
arising under these claims that was immaterial and falls within the proceeds received.

Jawbone. On May 27, 2015, Jawbone filed a lawsuit against the Company and certain of its employees who were formerly employed by Jawbone in the
Superior Court of the State of California in the County of San Francisco alleging trade secret misappropriation and unfair and unlawful business practices against
all  defendants,  and  alleging  breach  of  contract  and  breach  of  implied  covenant  of  good  faith  and  fair  dealing  against  the  employee  defendants.  The  complaint
alleges,  among  other  things,  that  prior  to  leaving  Jawbone  at  various  times  in  2015,  the  employees  downloaded  Jawbone  company  documents  and  materials,
including  allegedly  confidential  and  trade  secret  information,  and  that  these  employees  are  using  such  information  in  the  development  of  our  products.  The
complaint also alleges that the Company recruited those employees with the intent of using Jawbone’s proprietary information. The complaint seeks unspecified
damages, including punitive damages and injunctive relief. On June 26, 2015, the Company and the employee defendants filed demurrers to Jawbone’s complaint.
The Company sought to dismiss both causes of action brought against us (those for misappropriation of trade secrets and unfair business practices). The employee
defendants sought to dismiss the breach of implied covenant and unfair business practices causes of action. On October 2, 2015, Jawbone filed a First Amended
Complaint asserting the same causes of action and adding additional allegations to those raised in the initial complaint. On October 21, 2015, The Company and
the  employee  defendants  demurred  to  the  First  Amended  Complaint,  in  which  Fitbit  once  again  moved  to  dismiss  the  misappropriation  and  unfair  business
practices causes of action and the employee defendants moved to dismiss those for breach of the implied covenant and unfair business practices. A hearing on the
demurrers is currently scheduled for March 22, 2016.

On June 10, 2015, Jawbone and BodyMedia filed a lawsuit against the Company in the U.S. District Court for the Northern District of California alleging
that the Company infringes three U.S. patents held by them: U.S. Patent No. 8,446,275, titled “General Health and Wellness Management Method and Apparatus
For A Wellness Application Using Data From a Data-Capable Band,” U.S. Patent No. 8,073,707, titled “System For Detecting, Monitoring, And Reporting An
Individual’s  Physiological  Or  Contextual  Status,”  and  U.S.  Patent  No.  8,398,546,  titled  “System  For  Monitoring  And  Managing  Body  Weight  And  Other
Physiological  Conditions  Including  Iterative  And  Personalized  Planning,  Intervention  And  Reporting  Capability.”  Jawbone  and  BodyMedia  allege  that  these
patents have been infringed by a substantial majority of the Company’s products that it has sold historically, as well as several current products. The complaint
seeks  unspecified  compensatory  damages  and  attorney’s  fees  from  the  Company  and  to  permanently  enjoin  the  Company  from  making,  manufacturing,  using,
selling, importing, or offering our products for sale.

On July 3, 2015, Jawbone and BodyMedia amended their complaint to add three additional U.S. patents to the infringement claims against the Company:
U.S. Patent No. 8,529,811, titled “Component Protective Overmolding Using Protective External Coatings,” U.S. Patent No. 8,793,522, titled “Power Management
in a Data-Capable Strapband,” and U.S. Patent No. 8,961,413, titled “Wireless Communications Device and Personal Monitor.”

On July 7, 2015, Jawbone and BodyMedia filed a complaint with the ITC requesting an investigation into purported violations of the Tariff Act of 1930 by
the Company and Flextronics International Ltd. and Flextronics Sales and Marketing (A-P) Ltd. The complaint alleges that the Company’s products infringe the
same six U.S. patents at issue in the action brought against us in the U.S. District Court for the Northern District of California. Furthermore, the complaint makes
the same allegations of trade secret misappropriation, unfair competition and unfair acts as a result of the Company’s hiring of the former Jawbone employees, as
in the action brought against the Company and certain of its employees in the Superior Court in the State of California. The complaint seeks a limited exclusion
order and a cease and desist order halting the importation and sale of Fitbit products that allegedly infringe upon Jawbone’s patents and misappropriate Jawbone’s
trade secrets. On July 24, 2015, Jawbone and BodyMedia filed a letter with the ITC seeking to amend and supplement their ITC complaint. In their letter, Jawbone
and  BodyMedia,  among  other  things,  purport  to  identify  the  trade  secrets  allegedly  misappropriated  by  the  employee  defendants.  The  ITC  instituted  the
investigation

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on August 17, 2015, and has now set a hearing on May 9-16, 2016 and a target date for completion of the investigation on December 21, 2016.

On  September  3,  2015,  the  Company  filed  a  complaint  for  patent  infringement  against  Jawbone  in  the  U.S.  District  Court  for  the  District  of  Delaware,
asserting that its activity trackers (UP Move, UP24, UP3, and UP4) infringe U.S. Patent Nos. 8,909,543, 9,031,812, and 9,042,971. On September 8, 2015, the
Company  filed  a  complaint  for  patent  infringement  against  Jawbone  in the  U.S. District  Court for  the  Northern  District  of  California,  asserting  that  its  activity
trackers  infringe  U.S.  Patent  Nos.  9,026,053,  9,084,923,  and  9,106,307.  On  October  29,  2015,  the  Company  filed  a  complaint  for  patent  infringement  against
Jawbone  in  the  U.S.  District  Court  for  the  District  of  Delaware,  asserting  that  Jawbone’s  activity  trackers  infringe  U.S.  Patent  Nos.  8,920,332,  8,868,377,  and
9,089,760.

On November 2, 2015, the Company filed a complaint with the ITC requesting an investigation into violations of the Tariff Act of 1930 by Jawbone and
Body  Media.  The  complaint  asserts  that  Jawbone’s  products  infringe  U.S.  Patent  Nos.  8,920,332,  8,868,377,  and  9,089,760.  The  complaint  seeks  a  limited
exclusion order and a cease and desist order halting the importation and sale of Jawbone’s products that the Company believes infringe upon its patents.

The  case  filed  by  Jawbone  against  the  Company  in  the  Northern  District  of  California  has  been  stayed,  pending  a  determination  in  the  ITC  on  the  same
patents.  The first case filed by the Company against Jawbone in the District of Delaware, asserting the ’543, ’812, and ’971 patents, has been transferred to the
Northern District of California. The second case filed by the Company against Jawbone in the District of Delaware, asserting the ’332, ’377, and ’760 patents, has
been stayed, pending a determination in the ITC on the same patents.

The Company intends to vigorously defend and prosecute each of the Jawbone litigation matters and, based on its review, the Company believes it has valid
defenses and claims with respect to each of these matters. However, litigation is inherently uncertain, and any judgment or injunctive relief entered against the
Company or any adverse settlement could materially and adversely impact its business, financial condition, operating results, and prospects. Because the Company
is in the early stages of these litigation matters, the Company is unable to estimate a reasonably possible range of loss, if any, that may result from these matters. In
addition, these litigation matters are complex, likely to involve significant management time and attention, and the cost of defending and prosecuting these matters
is likely to be expensive, regardless of outcome.

Sleep Tracking. On  May  8,  2015,  a  purported  class  action  lawsuit  was  filed  against  the  Company  in  the  U.S.  District  Court  for  the  Northern  District  of
California, alleging that the sleep tracking function available in certain trackers does not perform as advertised. Plaintiffs seek class certification, restitution, an
award  of  unspecified  compensatory  and  punitive  damages,  an  award  of  reasonable  costs  and  expenses,  including  attorneys’  fees,  and  other  further  relief  as  the
Court  may  deem  just  and  proper.  Plaintiffs  have  amended  their  complaint  four  times,  and  on  January  15,  2016,  the  Company  moved  to  dismiss  the  Fourth
Amended  Complaint.  A  hearing  on  the  motion  to  dismiss  is  currently  scheduled  for  March  16,  2016.  The  Company  believes  that  the  plaintiffs’  allegations  are
without merit, and intend to vigorously defend against the claims. Because the Company is in the early stages of this litigation matter, the Company is unable to
estimate a reasonably possible range of loss, if any, that may result from this matter.

Heart Rate Monitoring . On January 6, 2016 and February 16, 2016, two purported class action lawsuits were filed against the Company in the U.S. District
for the Northern District of California, alleging that the PurePulse heart rate monitoring technology in the Fitbit Charge HR and Fitbit Surge do not consistently
and  accurately  record  users’  heart  rates.  Plaintiffs  allege  common  law  claims  as  well  as  violations  of  various  states’  false  advertising  and  unfair  competition
statutes based on our sale and marketing of the Fitbit Charge HR and Fitbit Surge. Plaintiffs seek class certification, injunctive and declaratory relief, restitution, an
award  of  unspecified  compensatory  damages,  exemplary  damages,  punitive  damages,  and  statutory  penalties  and  damages,  an  award  of  reasonable  costs  and
expenses,  including  attorneys’  fees,  and  other  further  relief  as  the  Court  may  deem  just  and  proper.  The  Company  believes  that  the  plaintiffs’  allegations  are
without merit, and intend to vigorously defend against the claims. Because the Company is in the early stages of this litigation matter, the Company is unable to
estimate a reasonably possible range of loss, if any, that may result from this matter.

Federal Securities Class Action . On January 11, 2016, a putative class action lawsuit alleging violations of federal securities laws was filed in the U.S.
District Court for the Northern District of California, naming as defendants the Company and certain of its officers. The lawsuit alleges violations of the Securities
Act of 1933 and the Securities Exchange Act of 1934 by the Company and the officers for allegedly making materially false and misleading statements regarding
its business and operations between June 18, 2015 and November 13, 2015. Plaintiff seeks to represent a class of persons who purchased or otherwise acquired the
Company’s  securities  (i)  on  the  open  market  between  June  18,  2015  and  January  6,  2016;  and/or  (ii)  pursuant  to  or  traceable  to  the  IPO.  Plaintiff  seeks  class
certification, an award of unspecified compensatory damages, an award of reasonable costs and expenses, including attorneys’ fees, and other further relief as the
Court may deem just and proper. The Company believes that

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the plaintiff’s allegations are without merit, and intend to vigorously defend against the claims. Because the Company is in the early stages of this litigation matter,
the Company is unable to estimate a reasonably possible range of loss, if any, that may result from this matter.

Other. The  Company  is  and,  from  time  to  time,  may  in  the  future  become,  involved  in  other  legal  proceedings  in  the  ordinary  course  of  business.  The
Company currently believes that the outcome of any of these existing legal proceedings, including the aforementioned cases, either individually or in the aggregate,
will not have a material impact on the operating results, financial condition or cash flows of the Company. With respect to existing legal proceedings, the Company
has either determined that the existence of a material loss is not reasonably possible or that it is unable to estimate a reasonably possible range of loss.

Indemnifications

In  the  ordinary  course  of  business,  the  Company  enters  into  agreements  that  may  include  indemnification  provisions.  Pursuant  to  such  agreements,  the
Company may indemnify, hold harmless and defend an indemnified parties for losses suffered or incurred by the indemnified party. Some of the provisions will
limit  losses  to  those  arising  from  third-party  actions.  In  some  cases,  the  indemnification  will  continue  after  the  termination  of  the  agreement.  The  maximum
potential amount of future payments the Company could be required to make under these provisions is not determinable. To date, the Company has not incurred
material costs to defend lawsuits or settle claims related to these indemnification provisions. The Company has also entered into indemnification agreements with
its directors and officers that may require the Company to indemnify its directors and officers against liabilities that may arise by reason of their status or service as
directors or officers to the fullest extent permitted by Delaware corporate law. The Company also currently has directors’ and officers’ insurance.

9.    Redeemable Convertible Preferred Stock and Warrants

Redeemable Convertible Preferred Stock

In connection with the closing of the Company’s IPO, all shares of the Company’s then-outstanding redeemable convertible preferred stock automatically
converted on a one -for-one basis into an aggregate of  139,851,483  shares of Class B common stock. Redeemable convertible preferred stock outstanding as of
December 31, 2014 and immediately prior to the conversion into Class B common stock and December 31, 2014 consisted of the following (in thousands, except
per share data):

Series A

Series A-1

Series B

Series C

Series D

Total

Shares
Authorized

Shares
Outstanding

Price per
Share

Net
Carrying
Value

Liquidation
Preference

10,200  

22,369  

42,360  

39,600  

30,000  

10,200   $

0.04167   $

421   $

22,369  

42,052  

36,080  

29,150  

0.09164  

0.21580  

0.33452  

1.47513  

2,000  

10,533  

12,049  

42,811  

144,529  

139,851    

  $

67,814   $

425

2,050

9,075

12,069

43,000

66,619

Redeemable Convertible Preferred Stock Warrants

As  of  December  31,  2014  and  immediately  prior  to  the  completion  of  the  IPO,  the  Company  had  the  following  redeemable  convertible  preferred  stock

warrants issued and outstanding (in thousands, except per share data): 

Series B

Series C

Series C
Series C (1)

Total

Warrant Class:

Number of Shares
Underlying
Warrants

Fair Value

278  

57  

1,215  

405  

2,351  

475  

9,728  

3,243  

1,955   $

15,797    

  $

Issuance Date
June 2011

April 2012

September 2012

September 2012

Exercise 
Price  per 
Share

0.22

0.33

0.67

0.67

(1) Represents  additional  shares  that  may  be  exercised  pursuant  to  the  Series  C  redeemable  convertible  preferred  stock  warrant  issued  in  September  2012  due  to  a  draw  down  on  a  debt

financing arrangement in March 2013.

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Immediately  prior  to  the  completion  of  the  IPO,  the  Company  issued  274,992  shares  of  Series  B  redeemable  convertible  preferred  stock  and  1,210,591
shares of Series C redeemable convertible preferred stock upon the exercise of 277,992 and 1,251,357 of Series B and Series C redeemable convertible preferred
stock  warrants,  respectively,  after  the  forfeiture  of  3,000 and 40,766 Series  B  and  Series  C  redeemable  convertible  preferred  stock  warrants,  respectively.  The
shares issued upon the net exercise were sold as Class A common stock in the IPO. In addition, all of the remaining outstanding redeemable convertible preferred
stock  warrants  automatically  converted  to  Class  B  common  stock  warrants  upon  closing  of  the  IPO.  As  a  result  of  the  net  exercise  of  redeemable  convertible
preferred  stock warrants  and automatic  conversion  of the  remaining  warrants to Class B common stock warrants,  the Company revalued  the warrants as of the
completion  of  the  IPO  and  reclassified  the  remaining  redeemable  convertible  preferred  stock  warrant  liability  balance  related  to  the  unexercised  warrants  to
additional paid-in capital. All remaining outstanding Class B common stock warrants were exercised subsequent to the IPO and as of December 31, 2015, there
were no longer any Class B common stock warrants outstanding.

Prior to the IPO, as the redeemable convertible preferred stock warrants were exercisable into contingently redeemable preferred shares, the Company had
recognized a liability for the fair value of its warrants upon issuance and subsequently remeasured the liability at the end of each reporting period. The Company
estimated the fair values of the redeemable convertible preferred stock warrants using the Black-Scholes option-pricing model based on inputs as of the valuation
measurement dates, including the fair values of our convertible preferred stock, the estimated volatility of the price of our convertible preferred stock, the expected
term of the warrants, and the risk-free interest rates. The key assumptions used in the Black-Scholes option-pricing model for the revaluation of the redeemable
convertible preferred stock warrants were as follows:

Expected term (in years)

Volatility

Risk-free interest rate

Dividend yield

10.    Stockholders’ Equity

Preferred Stock

2015
0.5

81.3%

0.1%

—%

Year Ended December 31,

2014
0.8 – 1.3

46.7 – 54.9%

0.1 – 0.2%

—%

2013
0.6 – 6.9

31.2 – 62.7%

0.1 – 2.5%

—%

Upon completion of its IPO on June 22, 2015, the Company filed a Restated Certificate of Incorporation, which authorized the issuance of preferred stock
with rights and preferences, including voting rights, designated from time to time by the board of directors. As of December 31, 2015 , there were  10,000,000
 shares of preferred stock authorized with a par value of $0.0001 per share, and no shares of preferred stock issued or outstanding.

Common Stock

In  connection  with  the  IPO,  the  Company  established  two classes  of  authorized  common  stock,  Class  A  common  stock  and  Class  B  common  stock.  All
shares of common stock outstanding immediately prior to the IPO were converted into an equivalent amount of shares of Class B common stock. As of December
31, 2015, the Company had  600,000,000  shares of Class A common stock authorized with a par value of $0.0001 per share and  350,000,000  shares of Class B
common  stock  authorized  with  a  par  value  of  $0.0001 per  share.  As  of  December  31,  2015,    99,416,351  shares  of  Class  A  common  stock  were  issued  and
outstanding and  115,365,222  shares of Class B common stock were issued and outstanding. As of December 31, 2014, the Company had  230,400,000  shares of
common stock authorized for issuance and  40,875,583  shares issued and outstanding.

Holders of Class A common stock are entitled to one vote for each share of Class A common stock held on all matters submitted to a vote of stockholders
and holders of Class B common stock are entitled to ten votes for each share of Class B common stock held on all matters submitted to a vote of stockholders.
Except  with  respect  to  voting,  the  rights  of  the  holders  of  Class  A  and  Class  B  common  stock  are  identical.  Shares  of  Class  B  common  stock  are  voluntarily
convertible into shares of Class A common stock at the option of the holder and generally automatically convert into shares of our Class A common stock upon a
transfer.

2007 Equity Incentive Plan

In September 2007, the Company adopted the Amended and Restated 2007 Stock Plan (the “2007 Plan”), which was most recently amended in March 2015.

The 2007 Plan provides for the grant of incentive and non-statutory stock options and RSUs to

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employees, directors, and consultants under terms and provisions established by the board of directors. The board of directors determines the period over which the
options vest and become exercisable. Options granted under the 2007 Plan are generally subject to a four -year vesting period, with 25% vesting after a one -year
period and monthly vesting thereafter. Options expire after ten years. The exercise price of incentive stock options granted under the 2007 Plan must be at least
equal to 100% of  the  fair  value  of  the  common  stock  at  the  date  of  grant,  as  determined  by  the  board  of  directors.  The  exercise  price  of  non-statutory  options
granted under the 2007 Plan must be at least equal to 85% of the fair value of the common stock at the date of grant, as determined by the board of directors. RSUs
granted under the 2007 Plan are generally subject to a three - or four -year vesting period with annual vesting.

The 2015 Equity Incentive Plan (the “2015 Plan”) became effective on June 16, 2015. As a result, the Company will not grant any additional stock options
under the 2007 Plan and the 2007 Plan has terminated. Any outstanding stock options and RSUs granted under the 2007 Plan will remain outstanding, subject to
the terms of the 2007 Plan and applicable award agreements, until such shares are issued under those awards, by exercise of stock options or settlement of RSUs, or
until the awards terminate or expire by their terms. Stock options and RSUs granted under the 2007 Plan generally have terms similar to those described below
with respect to stock options and RSUs granted under the 2015 Plan.

2015 Equity Incentive Plan

In May 2015, the Company’s board of directors and stockholders adopted and approved the 2015 Plan. The 2015 Plan became effective on June 16, 2015 and
serves as the successor to the 2007 Plan. The remaining shares available for issuance under the 2007 Plan became reserved for issuance under the 2015 Plan, and
the Company ceased granting awards under the 2007 Plan. The number of shares reserved for issuance under the 2015 Plan will increase automatically on the first
day  of  January  of  each  year  starting  in  2016  through  2025  by  the  number  of  shares  of  Class  A  common  stock  equal  to  5% of  the  total  outstanding  shares  of
common stock as of the immediately preceding December 31. The share reserve may also increase to the extent that outstanding awards expire or terminate un-
exercised. As of December 31, 2015, 3,685,100 shares were available for grant under the 2015 Plan.

The 2015 Plan authorizes the award of stock options, restricted stock awards, stock appreciation rights, RSUs, performance awards, and stock bonuses to
employees,  directors,  consultants,  independent  contractors,  and  advisors.  In  general,  stock  options  and  RSUs  will  vest  over  a  four  -year  period,  and  have  a
maximum term of ten years. The exercise price of an option will be not less than 100% of the fair market value of the shares on the date of grant.

2015 Employee Stock Purchase Plan

In May 2015, the Company’s board of directors adopted the 2015 Employee Stock Purchase Plan (“2015 ESPP”), which became effective on June 17, 2015.
A total of 3,750,000  shares of Class A common stock were initially reserved for issuance under the 2015 ESPP. The 2015 ESPP allows eligible employees to
purchase shares of the Company’s Class A common stock at a discount through payroll deductions of up to  15% of eligible compensation, subject to any plan
limitations. Except for the initial offering period, the 2015 ESPP provides for 6-month offering periods beginning in May and November of each year. The initial
offering period began June 17, 2015, and will end in May 2016.

On each purchase date, eligible employees will purchase Class A common stock at a price per share equal to 85% of the lesser of the fair market value of the
Company’s Class A common stock (i) on the first trading day of the applicable offering period and (ii) the last trading day of each purchase period in the applicable
offering period. For the first offering period, which began on June 17, 2015, the fair market value of the Class A common stock on the offering date was $20.00 ,
the price at which the Company’s Class A common stock was first sold to the public in its IPO, as specified in the final prospectus filed with the SEC on June 18,
2015, pursuant to Rule 424(b).

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Stock Options

Activity under the 2007 Plan and 2015 Plan is as follows (in thousands except per share amounts):

Number of
Shares Subject
to
Options

Options Outstanding

Weighted–
Average
Exercise
Price

Aggregate
Intrinsic
Value

Balance—December 31, 2012

20,947

  $

Granted

Exercised

Canceled

Balance—December 31, 2013

Granted

Exercised

Canceled

Balance—December 31, 2014

Granted

Exercised

Canceled

Balance—December 31, 2015

Options exercisable—December 31, 2015

Options vested and expected to vest—December 31, 2015

6,476

(3,283)

(736)

23,404

22,094

(735)

(765)

43,998

6,950

(5,397)

(1,189)

44,362

20,763

43,502

0.06    

0.61    

0.05   $

0.16    

0.21    

3.25    

0.14   $

0.95    

1.72   $

10.67    

0.74   $

3.21    

3.20   $

0.99   $

3.16   $

1,111

3,001

207,863

173,507

1,171,688

593,810

1,150,881

The aggregate intrinsic values of options outstanding, exercisable, vested and expected to vest were calculated as the difference between the exercise price of
the options and the estimated fair value of the Company’s common stock, as determined by the board of directors, as of December 31, 2014 and the fair value of
the Class A common stock of $29.59 as of December 31, 2015.

The total grant date fair value of options that vested during 2015, 2014, 2013 was $18.6 million , $1.7 million , and $0.3 million , respectively.

Restricted Stock Units

RSU activity under the equity incentive plans is as follows:

Unvested balance—December 31, 2014

Granted

Forfeited or canceled

Unvested balance—December 31, 2015

Stock-Based Compensation Expense

Total stock-based compensation recognized was as follows (in thousands):

90

RSUs
Outstanding

(in thousands)

Weighted-
Average
Grant Date
Fair Value

—   $

3,326

(34)

3,292

—

34.27

34.26

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Cost of revenue

Research and development

Sales and marketing

General and administrative

Total stock-based compensation expense

Year Ended December 31,

2015

2014

2013

$

$

4,739   $

890   $

18,251  

7,419  

10,615  

2,350  

1,295  

2,269  

41,024   $

6,804   $

37

288

204

91

620

The weighted-average grant date fair value of stock options granted during 2015, 2014, and 2013 was $10.67 , $2.40 , and $0.52 per share, respectively. As
of  December  31,  2015,  the  total  unrecognized  compensation  expense  related  to  unvested  options,  net  of  estimated  forfeitures,  was  $78.2  million  ,  which  the
Company expects to recognize over an estimated weighted average period of 2.9 years , respectively.

As of December 31, 2015, the total unrecognized compensation expense related to unvested RSUs, net of estimated forfeitures, was $96.6 million , which the
Company expects to recognize over an estimated weighted average period of 3.5 years . As of December 31, 2015, the total unrecognized compensation expense
related to unvested common stock issued in connection with the FitStar acquisition, net of estimated forfeitures, was $1.7 million , which the Company expects to
recognize over an estimated weighted average period of 2.2 years .

Stock-based compensation is measured at the grant date based on the fair value of the award and is recognized as expense, net of estimated forfeitures, over
the  requisite  service  period,  which  is  generally  the  vesting  period  of  the  respective  award.  The  fair  value  of  RSUs  is  the  fair  value  of  the  Company’s  Class  A
common stock on the grant date. In determining the fair value of the options and the equity awards issued under the 2015 ESPP, the Company uses the Black-
Scholes option-pricing model and assumptions discussed below. Each of these inputs is subjective and generally requires significant judgment.

Fair Value of Common Stock —The fair value of the shares of common stock underlying stock options has historically been established by the Company’s
board of directors, which is responsible for these estimates, and has been based in part upon a valuation provided by an independent third-party valuation firm.
Because  there  has  been  no  public  market  for  the  Company’s  common  stock,  its  board  of  directors  considered  this  independent  valuation  and  other  factors,
including,  but  not  limited  to,  revenue  growth,  the  current  status  of  the  technical  and  commercial  success  of  its  operations,  its  financial  condition,  the  stage  of
development  and  competition  to  establish  the  fair  value  of  the  Company’s  common  stock  at  the  time  of  grant  of  the  option.  The  fair  value  of  the  underlying
common stock will be determined by the board of directors until such time as its common stock is listed on a stock exchange. Following the completion of the IPO,
the Company began using the market closing price for Class A common stock as reported on the New York Stock Exchange.

Expected Term —The expected term represents the period over which the Company anticipates stock-based awards to be outstanding. The Company does
not have sufficient historical exercise data to provide a reasonable basis upon which to estimate expected term due to the limited period of time stock-based awards
have been exercisable. As a result, for stock options, the Company used the simplified method to calculate the expected term estimate based on the vesting and
contractual terms of the option. Under the simplified method, the expected term is equal to the average of the stock-based award’s weighted average vesting period
and its contractual term. The expected term of the 2015 ESPP is based on the contractual term.

Volatility —Expected volatility is a measure of the amount by which the stock price is expected to fluctuate. The Company estimates the expected volatility
of  the  common  stock  underlying  its  stock  options  at  the  grant  date  by  taking  the  average  historical  volatility  of  the  common  stock  of  a  group  of  comparable
publicly traded companies over a period equal to the expected life of the options.

Risk-Free  Rate  —The  risk-free  interest  rate  is  estimated  average  interest  rate  based  on  U.S.  Treasury  zero-coupon  notes  with  terms  consistent  with  the

expected term of the awards.

Dividend Yield —The Company has never declared or paid any cash dividends and does not presently plan to pay cash dividends in the foreseeable future.

Consequently, it used an expected dividend yield of zero.

In addition, the Company is required to estimate the amount of stock-based compensation that it expects to be forfeited based on historical experience. The
assumptions used in calculating the fair value of the stock-based awards represent management judgment. As a result, if factors change and different assumptions
are used, the stock-based compensation expense could be

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materially different in the future. The fair value of the stock option awards and awards issued under the 2015 ESPP granted to employees was estimated at the date
of grant using a Black-Scholes option-pricing model with the following assumptions:

Employee stock options

Expected term (in years)

Volatility

Risk-free interest rate

Dividend yield

Employee stock purchase plan

Expected term (in years)

Volatility

Risk-free interest rate

Dividend yield

11.     Income Taxes

2015

6.25

52.1% - 56.9%

1.5% - 1.9%

—%

0.5 – 0.9 

27.7% - 35.0%

0.3% 

—%

Year Ended December 31,

2014

6.25

2013

6.00 – 6.25

54.83% – 60.94%

60.57% – 62.03%

1.73% – 2.04%

1.04% – 1.93%

—%

—

—%

—%

—%

—%

—

—%

—%

—%

The following table presents domestic and foreign components of income (loss) before income taxes for the periods presented (in thousands):

United States

Foreign

Total

The income tax expense is composed of the following (in thousands):

Current:

Federal

State

Foreign

Total current

Deferred:

Federal

State

Foreign

Total deferred

Total income tax expense

$

$

$

Year Ended December 31,

2015

2014

2013

278,250   $

9,699  

287,949   $

150,137   $

(10,364)  

139,773   $

(13,779)

94

(13,685)

Year Ended December 31,

2015

2014

2013

140,396   $

47,565   $

13,307  

1,107  

154,810  

(33,421)  

(8,941)  

(176)  

(42,538)  

2,319  

113  

49,997  

(39,339)  

(2,651)  

(11)  

(42,001)  

31,176

6,736

25

37,937

—

—

—

—

$

112,272   $

7,996   $

37,937

The reconciliation of the Company’s effective tax rate to the statutory federal rate is as follows:

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Tax at federal statutory rate

State taxes, net of federal effect

Foreign rate differential

Tax credits

Domestic production activities deduction

Warrant fair value adjustment

Stock-based compensation

Change in valuation allowance

Other

Effective tax rate

Year Ended December 31,

2015

2014

2013

35.0 %  

35.0 %  

(35.0)%

1.5

(0.8)

(2.0)

(3.3)

6.9

1.7

—  

—  

39.0 %  

(0.2)

2.7

(1.1)

(2.6)

3.3

—  

(32.0)

0.6

32.0

(0.1)

(9.6)

(12.7)

8.6

—

292.6

1.4

5.7 %  

277.2 %

For 2015, the Company recorded an expense for income taxes of $112.3 million , for an effective tax rate of 39.0% . The effective tax rate is higher than the
statutory federal tax rate primarily due to state taxes, net of federal benefit and certain permanent differences related to the non-deductible change in fair value of
the  redeemable  convertible  preferred  stock  warrant  liability  and  non-deductible  stock-based  compensation  expense,  partially  offset  by  non-taxable  income
associated  with  the  change  in  contingent  consideration  from  the  FitStar  acquisition  and  a  permanent  domestic  production  activities  deduction.  For  2014,  the
Company recorded an expense for income taxes of $8.0 million , for an effective tax rate of 5.7% . The tax expense in 2014 reflects tax benefits of $51.3 million
from the full release of the Company’s deferred income tax asset valuation allowance, of which $6.4 million related to a state tax benefit, partially offset by income
tax expense on earnings.

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets were as follows (in thousands):

Net operating losses and credits

Fixed assets and intangible assets

Accruals and reserves

Fitbit Force recall reserve

Stock-based compensation

Other

Gross deferred tax assets

Debt issuance costs

Net deferred tax assets

December 31,

2015

2014

$

5,225   $

1,227  

54,891  

1,910  

9,642  

10,566  

83,461  

(441)  

$

83,020   $

1,331

2,436

23,331

8,159

1,306

5,438

42,001

—

42,001

In November 2015, the FASB issued ASU 2015-17, “Balance Sheet Classification of Deferred Taxes,” which simplifies the presentation of deferred income
taxes. This ASU requires that deferred tax assets and liabilities be classified as non-current in a statement of financial position. The Company early adopted ASU
2015-17  retrospectively  in  its  fourth  quarter  of  2015  and  reclassified  all  of  its  current  deferred  tax  assets  to  noncurrent  deferred  tax  assets  on  the  consolidated
balance sheets for all periods presented.

The Company accounts for deferred  taxes under ASC Topic 740, “Income  Taxes” (“ASC 740”) which involves weighing positive and negative  evidence
concerning the realizability of the Company’s deferred tax assets in each jurisdiction. The Company evaluated its ability to realize the benefit of its net deferred tax
assets  and weighed  all  available  positive  and  negative  evidence  both objective  and  subjective  in nature.  In  determining  the  need  for  a  valuation  allowance,  the
weight given to positive and negative evidence is commensurate with the extent to which the evidence may be objectively verified. Consideration was given to
negative  evidence  such  as:  the  duration  and  severity  of  losses  in  prior  years,  high  seasonal  revenue  concentrations,  increasing  competitive  pressures,  and  a
challenging  retail  environment.  However,  after  considering  three  consecutive  years  of  revenue  growth  and  a  three-year  cumulative  income  position  as  of
September 30, 2014, the Company believes the weight of the objectively verifiable positive evidence is sufficient to overcome the weight of any negative evidence.
Accordingly, for 2014, based on its assessment of the realizability of its deferred tax assets, the Company released the valuation allowance against all of its U.S.
deferred tax assets

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which resulted in a tax benefit of $51.3 million . As of December 31, 2015 , the Company continued to believe that it was more-likely-than-not that it would have
future taxable income sufficient to realize the benefit of the Company’s net deferred tax assets.

As a result of certain realization requirements of ASC 718, the table of deferred tax assets and liabilities does not include certain deferred tax assets as of
December  31,  2015,  that  arose  directly  from  tax  deductions  related  to  equity  compensation  that  are  greater  than  the  compensation  recognized  for  financial
reporting. Equity will be increased by $25.1 million for foreign tax purposes, if and when such deferred tax assets are ultimately realized. The Company uses tax
law ordering when determining when excess tax benefits have been realized.

As  of  December  31,  2015,  the  Company  has  federal  net  operating  loss  carryforwards  of  $5.8  million  which  expire  beginning  in  2033,  California  net
operating loss carryforwards of $5.7 million which expire beginning in 2033, and United Kingdom net operating loss carryforwards of $25.1 million which do not
expire. As of December 31, 2015 , the Company has federal research credit carryforwards of approximately $0.2 million , which if not utilized, begin to expire in
2028 and California research credit carryforwards of approximately $6.4 million , which do not expire.

Utilization  of  the  net  operating  loss  and  tax  credit  carry  forwards  are  subject  to  an  annual  limitation  due  to  the  ownership  percentage  change  limitations
provided by the Internal Revenue Code of 1986 and similar state provisions. The annual limitation may result in the expiration of the net operating loss before
utilization. The Company completed FitStar, Inc.'s Section 382 analysis through March 2015 and determined that an ownership change, as defined under Section
382 of the Internal Revenue Code, occurred in March 2015. The Company does not expect the limitation to result in a reduction in total amount utilizable.

It  is  the  intention  of  the  Company  to  indefinitely  reinvest  the  earnings  of  the  Company’s  foreign  subsidiaries.  The  Company  does  not  provide  for  U.S.
income taxes on the earnings of its foreign subsidiaries as such earnings are to be reinvested indefinitely. If these earnings were distributed to the United States in
the  form  of  dividends  or  otherwise  or  if  the  shares  of  the  relevant  foreign  subsidiaries  were  sold  or  otherwise  transferred  the  Company  would  be  subject  to
additional U.S. income taxes, subject to adjustment for foreign tax credits, and foreign withholding taxes. As of December 31, 2015 , there was $1.6 million of
cumulative foreign earnings upon which U.S. income taxes have not been provided.

As of December 31, 2015 and 2014, the Company has $23.5 million and $10.6 million of unrecognized tax benefits. A reconciliation of the beginning and

ending amount of unrecognized tax benefits is as follows (in thousands):

Balance at beginning of year

Reductions based on tax positions related to prior year

Additions based on tax positions related to current year

Balance at end of year

December 31,

2015

2014

2013

$

$

10,594   $

(18)  

12,942  

23,518   $

7,991   $

(418)  

3,021  

10,594   $

634

(87)

7,444

7,991

At December 31, 2015 , the total amount of gross unrecognized tax benefits was $23.5 million , all of which would affect the effective tax rate if recognized.
The Company does not have any tax positions as of December 31, 2015 for which it is reasonably possible the total amount of gross unrecognized tax benefits will
increase or decrease within the following 12 months . The Company’s policy is to record interest and penalties related to unrecognized tax benefits as income tax
expense. During 2015 and 2014, the Company recorded $0.6 million and $0.3 million related to the accrual of interest and penalties.

The  Company is  subject  to  taxation  in  the  United  States  and  various  states  and foreign  jurisdictions.  The  material  jurisdictions  in  which  the Company  is
subject to potential examination include the United States and Ireland. The Company believes that adequate amounts have been reserved for these jurisdictions.
The Company is under examination by the Internal Revenue Service for the 2013 tax year. For federal, state and non-U.S. tax returns, the Company is generally no
longer subject to tax examinations for years prior to 2008.

12.    Related-Party Transactions

Softbank Distribution Agreement

In December 2012, the Company granted SoftBank BB Corporation (“SoftBank BB”), an entity affiliated with SoftBank PrinceVille Investments, L.P., one
of  the  Company’s  investors,  a  distribution  right  for  the  Company’s  products  in  Japan,  pursuant  to  a  distribution  agreement.  The  agreement  was  subsequently
amended in December 2014 such that SoftBank BB relinquished its right of exclusivity.

94

 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

For 2014 and 2013, the Company recognized a reduction of $1.7 million to revenue and $17.6 million in revenue, respectively related to SoftBank BB. The
Company also recognized $0.1 million in expenses related to SoftBank BB in 2013. During 2014, product sales to SoftBank BB were $1.2 million . However the
Company accepted sales returns of $2.9 million due to the amendment of the distribution agreement. An additional refund of $0.3 million was paid to SoftBank BB
in 2015, and no amounts were due to either party as of December 31, 2015.

13.    Net Income (Loss) per Share Attributable to Common Stockholders

The  following  table  sets  forth  the  computation  of  the  Company’s  basic  and  diluted  net  income  (loss)  per  share  attributable  to  common  stockholders  (in

thousands, except per share amounts):

Numerator:

Net income (loss)

Less: noncumulative dividends to preferred stockholders

Less: undistributed earnings to participating securities

Net income (loss) attributable to common stockholders—basic

Add: adjustments to undistributed earnings to participating securities

Net income (loss) attributable to common stockholders—diluted

Denominator:

Weighted-average shares of common stock—basic for Class A and Class B

Effect of dilutive securities

Weighted-average shares of common stock—diluted for Class A and Class B

Net income (loss) per share attributable to common stockholders:

Basic

Diluted

Year Ended December 31,

2015

2014

2013

175,677   $

131,777   $

(51,622)

(2,526)  

(59,133)  

114,018  

8,821  
122,839   $

129,886  

34,327  

164,213  

(5,326)  

(98,103)  

28,348  

10,175  
38,523   $

40,351  

20,828  

61,179  

0.88   $

0.75   $

0.70   $

0.63   $

—

—

(51,622)

—

(51,622)

39,179

—

39,179

(1.32)

(1.32)

$

$

$

$

The following common stock equivalents (in thousands) were excluded from the computation of diluted net income (loss) per share for the periods presented

because including them would have been antidilutive:

Redeemable convertible preferred stock

Stock options to purchase common stock

Restricted stock units

Redeemable convertible preferred stock warrants

Total

14.    Significant Customer Information and Other Information

Retailer and Distributor Concentration

2015

December 31,

2014

2013

65,903  

139,851  

445  

692  

921  

4,420  

—  

1,955  

67,961  

146,226  

139,504

23,440

—

2,302

165,246

Retailers and distributors with revenue equal to or greater than 10% of total revenue were as follows:

A

B

C
*

 Revenue was less than 10%.

2015

December 31,

2014

2013

15%  

14

14

13%  

12

11

*

14

14

95

 
 
 
 
 
 
 
 
   
   
 
   
   
 
   
   
 
 
 
 
 
 
 
   
   
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

Retailers and distributors that accounted for equal to or greater than 10% of accounts receivable at December 31, 2015 and 2014 were as follows:

C

B

A

D

E
*

 Accounts receivable were less than 10%.

Geographic and Other Information

Revenue by geographic region, based on ship-to destinations, was as follows (in thousands):

December 31,

2015

2014

23%  

19

15

*

*

14%

17

*

13

10

United States

Americas excluding United States

Europe, Middle East, and Africa

APAC

Total

2015

December 31,

2014

2013

$

$

1,381,152   $

562,553   $

92,252  

208,767  

175,827  

38,576  

60,699  

83,605  

1,857,998   $

745,433   $

206,082

9,094

25,041

30,870

271,087

As of December 31, 2015 and 2014, long-lived assets, which represent property and equipment, located outside the United States were $28.9 million and

$20.0 million , respectively.

15. Acquisition

In March 2015, the Company acquired all of the outstanding securities of FitStar, Inc., a privately-held company, for aggregate acquisition consideration of
$32.5 million , comprised of $13.3 million related to the issuance of 1,059,688  shares of the Company’s common stock, net of a repurchase of  24,949  shares,
$11.5 million of cash, and $7.7 million of contingent consideration. FitStar is a provider of interactive video-based exercise experiences on mobile devices and
computers that utilize proprietary algorithms to adjust and customize workouts for individual users. The acquisition is expected to enhance the Company’s software
and services offerings.

Under the acquisition agreement, the Company was obligated to issue additional common stock or pay cash to FitStar shareholders. The actual amount of
this contingent  consideration  depended on market-based  events that may occur in the future. The Company determined the fair market value of this contingent
consideration to be $7.7 million as of the acquisition date using the Monte Carlo simulation method. The fair value of this liability is adjusted at each reporting
period, and the change in fair value is included in other income (expense), net on the consolidated statement of operations. As a result of the Company’s IPO, the
Company recorded a change in fair value of $7.7 million as a benefit and as of December, 31, 2015 the fair value of the contingent consideration liability was zero
.  The  terms  related  to  the  contingent  consideration  have  expired  as  of  December  31,  2015  and  no  amounts  were  paid  or  shares  issued  for  the  contingent
consideration.

The following table summarizes the fair value of assets acquired and liabilities assumed (in thousands):

Goodwill

Developed and core technology

Customer relationships

Trademarks

Assumed liabilities, net of assets

Total

96

$

$

22,157

12,640

128

1,150

(3,552)

32,523

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
 
 
 
 
 
Table of Contents

The  amortization  periods  of  the  acquired  developed  technology,  customer  relationships,  and  trademarks  are  7.0  years  ,  1.3  years  ,  and  5.0  years  ,

respectively. Goodwill is not deductible for tax purposes.

In addition,  upon acquisition,  the Company issued  308,216  shares  of  common  stock  net  of  a  repurchase  of  24,948  shares, valued at  $4.2 million . The
Company  is  also  obligated  to  make  cash  payments  up  to  $1.2  million  .  Both  the  common  stock  and  the  cash  payments  are  additional  consideration  which  is
contingent upon former employees of FitStar continuing to be employed by the Company. As such, this additional consideration was not part of the purchase price
and is recognized as post-acquisition compensation expense over the related requisite service period. The Company also recorded acquisition-related transaction
costs of $0.3 million , which were included in general and administrative expenses in the consolidated statement of operations during the year ended December 31,
2015.

The results of operations of the acquisition are included in the accompanying consolidated statements of operations from the date of acquisition. Pro forma

results of operations for this acquisition have not been presented because they are not material to the Company’s consolidated financial statements.

16.    Selected Unaudited Quarterly Financial Data

The following tables show a summary of the Company’s unaudited quarterly financial information for each of the four quarters of 2015 and 2014 (in

thousands, except per share amounts):

Revenue

Gross profit

Net income

Net income per share attributable to common stockholders—basic

Net income per share attributable to common stockholders—diluted

Revenue

Gross profit

Net income

Net income per share attributable to common stockholders—basic

Net income per share attributable to common stockholders—diluted

December 31,
2015

September 30,
2015

June 30,
2015

March 31,
2015

Three Months Ended

711,570   $

348,299   $

64,165   $

0.30   $

0.26   $

409,262   $

196,013   $

45,834   $

0.22   $

0.19   $

400,412   $

187,542   $

17,681   $

0.09   $

0.07   $

336,754

169,209

47,997

0.26

0.22

December 31,
2014

September 30,
2014

June 30,
2014

March 31,
 2014

Three Months Ended

370,184   $

170,894   $

39,240   $

0.21   $

0.19   $

152,862   $

113,572   $

83,605   $

68,912   $

0.38   $

0.34   $

58,389   $

14,753   $

0.07   $

0.07   $

108,815

44,769

8,872

0.04

0.04

97

$

$

$

$

$

$

$

$

$

$

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

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  maintain  “disclosure  controls  and  procedures,”  as  defined  in  Rules  13a-15(e)  and  15d-15(e)  under  the  Exchange  Act,  that  are  designed  to  ensure  that
information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported,
within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to
ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to
the  company’s  management,  including  its  principal  executive  and  principal  financial  officers,  as  appropriate  to  allow  timely  decisions  regarding  required
disclosure. Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, evaluated the effectiveness of our disclosure
controls and procedures as of December 31, 2015. Based on the evaluation of our disclosure controls and procedures as of December 31, 2015, our Chief Executive
Officer and Chief Financial Officer concluded that, as of such date, our disclosure controls and procedures were effective at the reasonable assurance level.

Management’s Report on Internal Control Over Financial Reporting

This Annual Report on Form 10-K does not include a report of management’s assessment regarding internal control over financial reporting or an attestation report
of our independent registered public accounting firm due to a transition period established by the rules of the SEC for newly public companies.

Changes in Internal Control over Financial Reporting

There was no change in our internal control over financial reporting identified in connection with the evaluation required by Rule 13a-15(d) and 15d-15(d) of the
Exchange Act that occurred during the three months ended December 31, 2015 that has materially affected, or is reasonably likely to materially affect, our internal
control over financial reporting.

Inherent Limitations on Effectiveness of Controls

Our management, including the CEO and CFO, recognizes that our disclosure controls or our internal control over financial reporting cannot prevent or detect all
possible instances of errors and all fraud. A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that
the control system’s objectives will be met. The design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must
be considered relative to their costs.

Item 9B. Other Information

None.

98

Table of Contents

PART III

Item 10. Directors, Executive Officers and Corporate Governance

The information required for this Item is incorporated by reference from our Proxy Statement to be filed in connection with our 2016 Annual Meeting of
Stockholders within 120 days after the end of the fiscal year ended December 31, 2015.

Item 11. Executive Compensation

The information required for this Item is incorporated by reference from our Proxy Statement to be filed in connection with our 2016 Annual Meeting of
Stockholders within 120 days after the end of the fiscal year ended December 31, 2015.

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

The information required for this Item is incorporated by reference from our Proxy Statement to be filed in connection with our 2016 Annual Meeting of
Stockholders within 120 days after the end of the fiscal year ended December 31, 2015.

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

The information required for this Item is incorporated by reference from our Proxy Statement to be filed in connection with our 2016 Annual Meeting of
Stockholders within 120 days after the end of the fiscal year ended December 31, 2015.

Item 14. Principal Accounting Fees and Services

The information required for this Item is incorporated by reference from our Proxy Statement to be filed in connection with our 2016 Annual Meeting of
Stockholders within 120 days after the end of the fiscal year ended December 31, 2015.

 
 
 
 
 
Table of Contents

PART IV

ITEM 15.    Exhibits, Financial Statement Schedules.

(a) The following documents are filed as part of this Annual Report on Form 10-K:

1. Consolidated Financial Statements

The financial statements filed as part of this Annual Report on Form 10-K are listed in the “Index to Consolidated Financial Statements” under Part
II, Item 8 of this Annual Report on Form 10-K.

2. Financial Statement Schedules

All schedules are omitted as the required information is inapplicable or the information is presented in the consolidated financial statements or notes
to consolidated financial statements under Item 8.

3. Exhibits

See Exhibit Index following the signature page of this Annual Report on Form 10-K.

100

 
 
 
 
Table of Contents

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.

SIGNATURES

February 26, 2016

FITBIT, INC.

By:

/s/ James Park

James Park

President, Chief Executive Officer, and Chairman

POWER OF ATTORNEY

KNOW  ALL  PERSONS  BY  THESE  PRESENTS  that  each  individual  whose  signature  appears  below  constitutes  and  appoints  James  Park  and  William
Zerella, and each of them, his true and lawful attorneys-in-fact and agents with full power of substitution, for him and in his name, place, and stead, in any and all
capacities, to sign any and all amendments to this Annual Report on Form 10-K, and to file the same, with all exhibits thereto and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and
perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or his or their substitute or substitutes, may lawfully do or cause to
be done or 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.

Name

/s/ James Park

James Park

/s/ William Zerella

William Zerella

/s/ Eric N. Friedman

Eric N. Friedman

/s/ Jonathan D. Callaghan

Jonathan D. Callaghan

/s/ Steven Murray

Steven Murray

/s/ Christopher Paisley

Christopher Paisley

Title

Date

President, Chief Executive Officer, and Chairman

February 26, 2016

(Principal Executive Officer)

Chief Financial Officer

February 26, 2016

(Principal Financial and Accounting Officer)

Chief Technology Officer and Director

February 26, 2016

Director

Director

Director

101

February 26, 2016

February 26, 2016

February 26, 2016

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
Table of Contents

EXHIBIT INDEX

  Exhibit Description
  Restated Certificate of Incorporation of Registrant.

  Restated Bylaws of Registrant.

  Form of Registrant’s Class A common stock certificate.

Form  
10-Q  

10-Q  

S-1/A  

Incorporated by Reference

File No.

  Exhibit

001-37444  

001-37444  

333-203941  

3.1  

3.2  

4.1  

4.2

S-1

333-203941

Filed
Herewith

Filing
Date
8/7/2015    

8/7/2015    

6/2/2015    

5/7/2015

Third Amended and Restated Investors’ Rights Agreement by and among
the  Registrant  and  certain  stockholders  of  the  Registrant,  dated  June  6,
2013.

  Form of Indemnification Agreement.

Amended and Restated 2007 Stock Plan, as amended, and forms of award
agreements.

  2015 Equity Incentive Plan and forms of award agreements.

Form of Notice of Stock Option Grant and Stock Option Agreement under
the 2015 Equity Incentive Plan.

  2015 Employee Stock Purchase Plan.

Offer  Letter  by  and  between  the  Registrant  and  William  Zerella,  dated
April 24, 2014.

Offer  Letter  by  and  between  the  Registrant  and  Edward  Scal,  dated
October 9, 2010.

Offer  Letter  by  and  between  the  Registrant  and  Andy  Missan,  dated
March 15, 2013.

Office Lease by and between the Registrant and 405 Howard, LLC, dated
September 30, 2013.

Office Lease by and between the Registrant and GLL BIT Fremont Street
Partners, L.P., dated June 26, 2015.

Flextronics  Manufacturing  Services  Agreement  by  and  among  Fitbit
International  Limited,  the Registrant,  and Flextronics  Sales & Marketing
(A-P) Ltd., dated March 19, 2015.

Second  Amended  and  Restated  Credit  Agreement,  by  and  among  Fitbit,
Inc., the lenders party thereto and Silicon Valley Bank, as administrative
agent, dated December 10, 2015.

S-1  

S-1

S-1  

8-K

S-1  

S-1

333-203941  

10.1  

5/7/2015    

333-203941

10.2

5/7/2015

333-203941  

10.3  

5/7/2015    

001-37444

10.1

2/9/2016

333-203941  

10.4  

5/7/2015    

333-203941

10.5

5/7/2015

X

X

S-1

333-203941

10.6

5/7/2015

10-Q

001-37444

10.3

8/7/2015

S-1/A

333-203941

10.7

5/21/2015

8-K

001-37444

10.1

12/15/2015

Exhibit
Number
3.1

3.2

4.1

4.2

10.1*

10.2*

10.3*

10.4*

10.5*

10.6*

10.7*

10.8*

10.9

10.10

10.11†

10.12

 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
   
 
 
 
 
 
 
   
 
 
 
 
 
 
   
 
   
   
   
   
 
 
   
   
   
   
 
 
 
 
 
 
   
 
 
 
 
 
   
 
 
 
 
 
   
 
 
 
 
 
   
Table of Contents

Exhibit
Number

10.13

  Exhibit Description

Revolving Credit and Guaranty Agreement by and among Registrant, the
Guarantors party thereto, the Lenders party thereto, Morgan Stanley Bank
N.A., and Morgan Stanley Senior Funding, Inc., dated August 13, 2014.

Incorporated by Reference

Form  
S-1

File No.
333-203941

  Exhibit
10.9

Filing
Date
5/7/2015

Filed
Herewith

10.14*

  Form of Retention Agreement.

S-1/A  

333-203941  

10.10  

5/21/2015    

21.1

23.1

24.1

31.1

31.2

32.1◊

32.2◊

  List of Subsidiaries of Registrant.

Consent  of  PricewaterhouseCoopers  LLP,  independent  registered  public
accounting firm.

  Power of Attorney (included on page II-2).

  Rule 13a-14(a)/ 15d-14(a) Certification of Chief Executive Officer.

  Rule 13a-14(a)/ 15d-14(a) Certification of Chief Financial Officer.

  Section 1350 Certification of Chief Executive Officer.

  Section 1350 Certification of Chief Financial Officer.

101.INS

  XBRL Instance Document.

101.SCH

  XBRL Schema Linkbase Document.

101.CAL

  XBRL Calculation Linkbase Document.

101.DEF

  XBRL Definition Linkbase Document.

101.EXT

  XBRL Extension Label Linkbase Document.

101.PRE

  XBRL Presentation Linkbase Document.

X

X

X

X

X

X

X

X

X

X

X

X

X

*
†
◊

Indicates a management contract or compensatory plan.

Portions of this exhibit have been granted confidential treatment by the SEC
These certifications are deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or the Exchange Act, or otherwise subject to the liability of that
section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act.

 
 
   
 
 
 
 
 
 
 
 
   
 
   
   
   
   
 
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
   
   
   
   
 
625 Market Street, Suite 1400 | San Francisco, CA 94105

October 9, 2010

PERSONAL AND CONFIDENTIAL

Edward Scal

Dear Woody,

Fitbit,  Inc.  (the  “Company”)  is  pleased  to  offer  you  the  full-time  position  of  Senior  Vice  President,  Marketing,  Sales,  and  and
Business Development, reporting to James Park, CEO. We are excited about the prospect of you joining our team, and look forward to the
addition of your professionalism and experience to help the Company achieve its goals.

Your salary will be paid at an initial rate of Two Hundred Twenty Five Thousand dollars ($225,000.00) per annum. Your salary will
be paid in accordance with the Company’s normal payroll practices as established or modified from time to time. Currently, salaries are paid
on a semi-monthly basis. In addition to your base salary, you will be entitled to an annual incentive compensation of Seventy Five Thousand
dollars ($75,000.00) that will be based on your performance and target business results. The target goals will be assigned quarterly by the
CEO and will be based upon revenue achievement and other targets as assigned during the quarter. The incentive compensation will be paid
in the last day of the month following the quarter in which the incentive compensation is earned and will be prorated from your hire date.
There will be an opportunity to earn a higher incentive compensation if the targets are exceeded. The Company reserves the right to amend,
change or cease this plan at any time.

In connection with your employment, you will be eligible to participate in benefits programs that have been adopted by the Company
to the same extent as, and subject to the same terms, conditions and limitations applicable to, other employees of the Company of similar rank
and tenure.

Subject  to  the  approval  of  the  Company’s  Board  of  Directors,  you  will  be  granted  the  option  to  purchase  187,673  shares  of  the
Company’s  common  stock.  The  option  will  be  subject  to  the  terms  and  conditions  of  the  Company’s  standard  form  of  Stock  Option
Agreement (the “ Option Agreement ”) and the Company’s 2007 Stock Plan (the “ Plan ”), which will include, among other things, a vesting
schedule. Please consult the Option Agreement and the Plan for further information.

In  addition,  subject  to  the  approval  of  the  Company’s  Board  of  Directors,  you  will  have  the  opportunity  to  buy  into  2.0%  of  the
Company’s fully diluted stock in preferred shares at $2.59 per share of which 0.5% will be available until December 31, 2010 and 1.5% will
be available until Jan 31, 2011.

The  Company  requires  you  to  verify  that  the  performance  of  your  position  at  the  Company  does  not  and  will  not  breach  any
agreement  entered  into  by  you  prior  to  employment  with  the  Company  (i.e.,  you  have  not  entered  into  any  agreements  with  previous
employers that are in conflict with your

obligations  to  the  Company).  Please  provide  us  with  a  copy  of  any  such  agreements.  You  will  also  be  required  to  sign  an  Employee
Inventions and Proprietary Rights Assignment Agreement as a condition of your employment with the Company. A copy of this agreement
will be made available to you.

Moreover, you will be required to provide the Company with documents establishing your identity and right to work in the United

States. Those documents must be provided to the Company within three business days of your employment start date.

The above terms are not contractual. They are a summary of our initial employment relationship and are subject to later modification
by  the  Company.  Your  employment  with  the  Company  will  be  “at-will,”  meaning  that  either  you  or  the  Company  may  terminate  your
employment relationship at any time, for any reason, with or without prior notice. The Company has found that an “at-will” relationship is in
the best interests of both the Company and its employees.

We are very interested in having you join the Company. If you agree to the offer terms above, please sign below.

Sincerely,

/s/ James Park

Co-Founder & CEO
Fitbit, Inc.

Fitbit, Inc.
l50 Spear Street, Suite 200, San Francisco, CA 94105

March 15, 2013

PERSONAL AND CONFIDENTIAL

Andy Missan

Dear Andy:

FitBit,  Inc.  (the  “  Company ’’)  is  pleased  to  offer  you  the  full-time  position  of  Vice  President  and  General  Counsel,  reporting  to
James  Park,  Founder  &  CEO.  We  are  excited  about  the  prospect  of  you  joining  our  team,  and  look  forward  to  the  addition  of  your
professionalism and experience to help the Company achieve its goals.

Your  salary  will be  paid  at  an initial  rate  of  Two  Hundred  Twenty  Thousand  Dollars ($220,000)  per  annum  along with  an  annual
bonus  of  Twenty  Five  Thousand  Dollars  ($25,000).  You  will  also  be  eligible  to  participate  in  any  incentive  bonus  programs  for  key
executives  that  are  adopted  by  the  Company  following  your  start  date.  In  the  event  any  such  executive  bonus  plan  covering  the  key
executives  of  the  Company  is  implemented,  the  bonus  eligibility  will  be  the  higher  of  $25,000  or  the  amount  designated  in  the  executive
bonus plan. Any bonus amounts will be earned by completing mutually agreed upon goals that will be evaluated by the CEO on an annual
basis and paid out based on the length of your service during the year. Your salary will be paid in accordance with the Company’s normal
payroll practices as established or modified from time to time. Currently, .salaries are paid on a bi-monthly basis. In connection with your
employment,  you  will  be  eligible  to  participate  in  benefits  programs  that  have  been  adopted  by  the  Company  to  the  same  extent  as,  and
subject to the same terms, conditions and limitations applicable to, other employees of the Company of similar rank and tenure.

Subject to the approval of the Company’s Board of Directors, you will be granted the option to purchase two hundred thousand six
hundred seventy eight (200,678) shares of the Company’s common stock (equivalent to 0.35% of outstanding shares on a fully-diluted basis,
including issued and reserved options under the employee poo1, as of the date hereof). The option will be designated as an Incentive Stock
Option to the maximum extent permitted by law. The option will be subject to the terms and conditions of the Company’s standard form of
Stock Option Agreement (the “ Option Agreement ”) and the Company’s 2007 Stock Plan (the “ Plan ”), which will include, among other
things, a vesting schedule. The vesting schedule for your options will commence as of the first date of your employment. You will vest in
25% of the option shares after l2 months of service, and the balance will vest in monthly installments over the next 36 months of service, as
described in the applicable Option Agreement. Please consult the Option Agreement and the Plan for further information.

Notwithstanding  the  vesting  provisions  set  forth  in  the  Option  Agreement;  if  there  is  a  Change  of  Control  (as  defined  in  the  Plan)  and  in
connection with such Change of Control or within twelve (12) months following the closing of a Change in Control (i) you are “involuntarily
separated”  (as  defined  below)  from  the  Company  (or  a  successor  to  the  Company  pursuant  to  a  Change  in  Control),  or  (ii)  there  is  a
Constructive Termination (as defined below) and you terminate your employment with the Company or its successor within six (6) months
following such Constructive Termination, then one-half of any then remaining unvested shares under all stock options held by you on the date
of such termination shall immediately vest and become exercisable.

As  used  herein,  “Constructive  Termination’’  means  the  occurrence  of  any  of  the  following  events:  (i)  any  material  diminution  or
material adverse change in your duties or  responsibilities (other than in connection  with  your unavailability by reason  of disability), (ii) a
reduction of more than 10% in any one year period by the Company in your base salary (other than on account of a reduction applicable to all
executive employees) or (iii) the relocation of your principal work location more than fifty (50) miles from San Mateo, California, except for
required travel substantially consistent with your business obligations. For the avoidance of doubt, a mere change in title without a material
adverse change in duties or responsibilities shall not constitute grounds for an “Constructive Termination”. You shall be deemed to have been
“involuntarily separated” if your employment is terminated by the Company (or a successor) for a reason other than “Cause” (as defined in
the Plan), death or permanent disability.

The  Company  requires  you  to  verify  that  the  performance  of  your  position  at  the  Company  does  not  and  will  not  breach  any
agreement  entered  into  by  you  prior  to  employment  with  the  Company  (i.e.,  you  have  not  entered  into  any  agreements  with  previous
employers that are in conflict with your obligations to the Company). Please provide us with a copy of any such agreements. You will also be
required  to  sign  an  Employee  Inventions  and  Proprietary  Rights  Assignment  Agreement  as  a  condition  of  your  employment  with  the
Company. A copy of this agreement will be made available to you.

Moreover, you will be required to provide the Company with documents establishing your identity and right to work in the United

States. Those documents must be provided to the Company within three business days of your employment start date.

Your employment with the Company will be “at will,” meaning that either you or the Company will be entitled to terminate your
employment  at  any  time  and  for  any  reason,  with  or  without  cause.  Any  contrary  representations  that  may  have  been  made  to  you  are
superseded  by  this  offer.  This  is  the  full  and  complete  agreement  between  you  and  the  Company.  Although  your  job  duties,  title,
compensation and benefits, as well as the Company’s personnel policies and procedures, may change from time to time, the “at will” nature
of your employment may only be changed in an express written agreement signed by you and a duly authorized officer of the Company.

We are very interested in having you join the Company. If you agree to the offer terms above, please sign below. If you have any

questions regarding this offer, please contact Meena Srinivasan, VP Finance & HR at .

Sincerely,

/s/ James Park

Name: James Park
Title: Co-founder & CEO

I have read and accept the terms and conditions of this offer.

Signed:        /s/ Andy Missan
Date:         March 23, 2013

LIST OF SUBSIDIARIES
FITBIT, INC.*

EXHIBIT 21.1

Fitbit International Limited (Ireland)

*Pursuant to Item 601(b)(21)(ii) of Regulation S-K, the names of other subsidiaries of Fitbit, Inc. are omitted because, considered in the aggregate, they would not constitute a significant
subsidiary as of the end of the year covered by this Annual Report on Form 10-K.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM  

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-205045) of Fitbit, Inc. of our report dated February 26,
2016 relating to the financial statements, which appears in this Form 10-K.  

EXHIBIT 23.1

/s/ PricewaterhouseCoopers LLP 
San Francisco, California 
February 26, 2016

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE
SARBANES-OXLEY ACT OF 2002

EXHIBIT 31.1

I, James Park, certify that:
1.    I have reviewed this annual report on Form 10-K of Fitbit, Inc.;
2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial
condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.    The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act
Rules 13a-15(e) and 15d-15(e)) for the registrant and have:

a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure

that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during
the period in which this report is being prepared;

b)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness

of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

c)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal
quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s
internal control over financial reporting.
5.    The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s
auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely

to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over

financial reporting.

Date:

February 26, 2016

/s/ James Park

James Park
President, Chief Executive Officer, and Chairman
(Principal Executive Officer)

 
 
 
 
 
 
EXHIBIT 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE
SARBANES-OXLEY ACT OF 2002

I, William Zerella, certify that:
1.    I have reviewed this annual report on Form 10-K of Fitbit, Inc.;
2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial
condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.    The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act
Rules 13a-15(e) and 15d-15(e)) for the registrant and have:

a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure

that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during
the period in which this report is being prepared;

b)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness

of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

c)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal
quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s
internal control over financial reporting.
5.    The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s
auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely

to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over

financial reporting.

Date:

February 26, 2016

/s/ William Zerella

William Zerella
Chief Financial Officer
(Principal Financial and Accounting Officer)

 
 
 
 
 
 
CERTIFICATION OF CHIEF EXECUTIVE OFFICER
PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 32.1

I,  James  Park,  President,  Chief  Executive  Officer  and  Chairman  of  Fitbit  Inc.,  do  hereby  certify,  pursuant  to  18  U.S.C.  Section  1350,  as  adopted  pursuant  to
Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

•

•

the Annual Report on Form 10-K of Fitbit, Inc. for the year ended December 31, 2015 fully complies with the requirements of Section 13(a) or 15(d) of
the Securities Exchange Act of 1934; and
the information contained in such Annual Report on Form 10-K fairly presents, in all material respects, the financial condition and results of operations of
Fitbit, Inc.

Date: February 26, 2016

By:

/s/ James Park

James Park

President, Chief Executive Officer, and Chairman
(Principal Executive Officer)

 
 
 
 
CERTIFICATION OF CHIEF FINANCIAL OFFICER
PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 32.2

I, William Zerella, Chief Financial Officer of Fitbit Inc., do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-
Oxley Act of 2002, that to the best of my knowledge:

•

•

the Annual Report on Form 10-K of Fitbit, Inc. for the year ended December 31, 2015 fully complies with the requirements of Section 13(a) or 15(d) of
the Securities Exchange Act of 1934; and
the information contained in such Annual Report on Form 10-K fairly presents, in all material respects, the financial condition and results of operations of
Fitbit, Inc.

Date: February 26, 2016

By:

/s/ William Zerella

William Zerella

Chief Financial Officer
(Principal Financial and Accounting Officer)