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Ciena

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Employees 5001-10,000
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FY1997 Annual Report · Ciena
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®

CIENA Corporation

920 Elkridge Landing Road

Linthicum, Maryland 21090

410-865-8500

800-921-1144

1562-AR-98

1997 Annual Report

W h a t   D o e s

®

M e a n ?

C I E N A

m e a n s

Network  Bandwidth

Customer  Focus

Innovative  Technology

Manufacturing  Excellence

Commitment

To  Our  Shareholders

It is with great pleasure that I report on CIENA’s first year as a public company. While

we didn’t realize it at the time, our Initial Public Offering on February 7, 1997 set the

tone for the year at CIENA. Following that first day’s trading, CIENA achieved a market

capitalization of $3.4 billion – the largest first-day market capitalization of any venture-

funded startup company in history.

Like our IPO, our financial results for the year were exceptional. For our fiscal year end-

ing October 31, 1997, we recorded revenue of $373.8 million, an increase of $319 million

over the $54.8 million reported for fiscal year 1996. Net income for fiscal year 1997 

was $112.9 million, or $1.09 per share. This compares to  $14.7 million, or $0.15 per

share, in fiscal year 1996.

CIENA’s MultiWave® products, utilizing dense wavelength division multiplexing (DWDM)

technology, make it possible for service providers like Sprint Corporation and WorldCom,

Inc.  to  expand  the  capacity  of  their  long-distance  networks  without  the  expensive  and

time-consuming process of laying new fiber optic cable.

Why  do  service  providers  need  more  capacity  in  their  networks?  What  is  driving  this

bandwidth demand? The answer is simple: the explosive growth of information exchange.

In the past, telecommunications networks handled voice traffic – the telephone calls from

office-to-office  and  from  home-to-home.  As  a  result,  the  networks  grew  fairly  steadily

according to population growth. New applications such as facsimile transmission and cel-

lular service accelerated growth, but not so much that network operators could not plan

for anticipated demand.

In recent years, we’ve begun to see a dramatic departure from past network growth patterns.

Two things are causing this change. First, as predicted by Moore’s Law, the processing

power  of  personal  computers  (PCs)  has  continued  to  double  every  12  to  18  months. 

At the same time, PC prices have steadily declined. As a result, we have a growing num-

ber of PCs in our homes and offices, and these machines “talk” faster every year (that 

is, the pace at which they are able to exchange information increases rapidly as internal

processing power grows). The second contributor to escalating traffic can be described 

in a word: Internet.

The Internet has emerged as a broadly accepted medium that enables us to connect our

homes and businesses to the world. Even more, the Internet allows us to interact with the

world. No longer mere word processing and number crunching tools, PCs are fast becoming one

2

of our primary communication devices. The resulting growth of data traffic – transmissions

from  computers-to-computers  –  has  been  far  more  rapid  than  historical  voice  traffic

growth.  As  if  this  weren’t  enough,  the  Internet  also  has  opened  the  possibilities for  new

applications, such as electronic commerce, that will only drive traffic growth faster.

Now service providers are faced with an entirely different challenge. Not only is network

traffic growing far more rapidly than historic growth patterns would suggest, but the traffic

fueling that growth is different, and it is stressing the networks built to carry telephone

traffic in different ways. PCs “talk” faster than humans. Computers also transmit infor-

mation in larger bursts. Faster traffic in greater bursts requires more network bandwidth.

That’s where CIENA comes in.

CIENA’s timely application of optical technology in products that enable service providers

to deploy additional bandwidth – without disrupting existing traffic flows – made it possible

for CIENA to enter and impact the telecommunications equipment market in a way usually

reserved for much larger and longer-established companies. 

While  our  financial  results  this  first  year  are  notable,  they  don’t  tell  the  whole  story.

Underlying these results are hard-fought battles to develop robust supply chains, to build

scaleable manufacturing facilities, to maintain exceptional quality, and to form enduring

customer relationships.

One of the goals we set for ourselves in 1997 was broadening our customer base. Sales to

Sprint and WorldCom accounted for the significant majority of our revenues for the year.

However,  we  also  were  pleased  to  announce  several  new  customers  including  Teleway

Japan Corporation, Japan Telecom Co., Ltd., Mercury Communications Limited (a sub-

sidiary of Cable & Wireless Communications Group) and Digital Teleport, Inc.

Patrick H. Nettles
President and 
Chief Executive Officer

Financial Highlights

(in thousands, except net income per common share)

Revenue

Gross profit

Gross margin

Operating income

Operating margin

Net income

Net income per common share

Total assets

Total stockholders’ equity

1997

$373,827

$237,640

1996

$54,838

$32,994

63.6%

60.2%

$176,702

$16,387

47.3%

29.9%

$112,945 

$     1.09

$447,228

$363,584

$14,718

$ 0.15

$67,301

$  4,970

3

A significant customer announcement came in June, 1997 when AT&T selected CIENA

as one of two DWDM suppliers for its network. Though product shipments to AT&T are

dependent upon successful completion of certain test requirements and are not likely to

occur until mid-1998, we believe AT&T’s selection of CIENA was another important val-

idation of the quality of our products, the robustness of our manufacturing processes and

systems, and our ability to execute.

Our product development efforts during the year reflect another important change in the

telecommunications equipment industry: shorter product development cycles. Since the

advent  of  the  Internet,  the  telecommunications  world  has  changed  and  continues  to

change rapidly. As a supplier to customers in this swiftly moving industry, we too must

move quickly. In a single year, we’ve expanded our long-distance product line to include

the  next  generation  of  our  original  16-channel  MultiWave® 1600  system,  MultiWave

Sentry™, designed to simplify service providers evolving networks, and the higher-capacity

40-channel MultiWave® 4000.

CIENA’s future growth will be driven by a combination of our core long-distance products

and new products – products that solve different problems for new customers. During the

year,  we  focused  a  portion  of  our  engineering  efforts  on  diversifying  our  product  line,

developing products for short-distance DWDM applications.

In October 1997, we introduced MultiWave® Firefly, a 24-channel, point-to-point system

for interoffice applications, and announced the forthcoming MultiWave Metro™, a product

designed to enable carriers to meet the challenges of building network capacity in congested

and growing metropolitan areas. We expect these products to bring the economies and flex-

ibility of DWDM technology to a broader customer base, addressing the bandwidth con-

straints faced by regional Bell operating companies and competitive local exchange carriers.

In  anticipation  of  additional  customers  and  new  products  coming  on-line,  we  also

invested in our manufacturing infrastructure during the year. Achieving ISO 9001 certi-

fication in July was a significant milestone, but not the end of our efforts by any means.

Our “building block” approach to manufacturing and assembly offers inherent scaleability

Common Stock Market Data

Fiscal Year 1997

Period of February 7 to April 30, 1997

Third Quarter ended July 31, 1997

Fourth Quarter ended October 31, 1997

Price Range

High

$44.00

$57.25

$63.62

Low

$22.25

$28.50

$43.00

4

and flexibility that enables us to continuously refine and improve the process, growing

and changing as customer and product demands require. However, processes are nothing

without skilled people to implement them. As we grow, we also will continue to emphasize

the ongoing training and development of our workforce.

In all, CIENA had a busy year, filled with accomplishments, but what’s past is past. What

matters now is what we do going forward. We will look to differentiate ourselves through

continued technological innovation and a demonstrated top-quality, scaleable manufactur-

ing capability, as well as by maintaining the high level of service our customers have come

to expect. In executing this strategy, we will continue to invest in our growing organization,

its technology and resources.

As a fellow shareholder, I ask myself, “What makes CIENA different?” “What makes us

confident we can succeed?” Success is more than being in the right place at the right time;

it is having the forethought to ask, “Where should we be next?” It also is possessing the

desire  and  commitment  to  take  you  there.  Vision  without  execution  is  meaningless.  At

CIENA, we believe we have both: the vision that enables us to anticipate where our cus-

tomers will need us to be and the ability to execute to fulfill that vision.

In closing, I extend my thanks to CIENA’s employees. Their tireless enthusiasm and unfail-

ing dedication have made this company what it is today, and with them lies the promise of

what CIENA can be tomorrow. I believe I speak for them when I also thank our customers,

fellow shareholders, suppliers and partners for their support and continued confidence.

We look forward to 1998 and to the opportunities and challenges we will create.

Sincerely,

Patrick H. Nettles

President and Chief Executive Officer

$150

$120

$100

$  75

$  50

$  25

$    0

$  40

$  30

$  20

$  10

$  0

$ -10

$ .40

$ .30

$ .20

$ .10

$

0

$-.10

$ 10

$

8

$

6

$

4

$

2

$

0

Revenue
in millions

Jan Apr

Jul Oct
1996

Jan Apr

Jul Oct
1997

Net Income
in millions

Jan Apr

Jul Oct
1996

Jan Apr

Jul Oct
1997

Net Income per 
Common Share

in dollars

Jan Apr

Jul Oct
1996

Jan Apr

Jul Oct
1997

Research and Development
Expenditures

in millions

Jan Apr

Jul Oct
1996

Jan Apr

Jul Oct
1997

Greater Possibilities

Bandwidth is a critical resource for long-distance carriers like

WorldCom. Greater bandwidth opens the door for new appli-

cations,  and  new  applications  mean  revenue  opportunities.

With the growth we’ve seen over the last few years, it seems

impossible  to  believe  that  there  will  ever  be  enough  network

capacity. More and more people are using the Internet. Traffic

is no longer simple text messages; it contains high resolution

images, full-motion graphics and audio. New technologies make

access to the network faster and less expensive. Not so far in

the  future,  it  is  generally  accepted  that  the  Internet  will  carry

traditional services like fax and voice. Increased bandwidth will

open possibilities we can only dream of now.

Larry Murphy
Director of Program Management
WorldCom Network Services

Network  Bandwidth

Today’s business is information driven. Behind what seems to be an

ever increasing demand for bandwidth are the applications and

services that provide information. As PC processing power and speed

escalate, traditional telecommunications carriers are challenged with

building the infrastructure required to carry this burgeoning flow

of information – the Internet. Once considered a technical curios-

ity,  the  Internet  today  is  fueling  the  communications  revolution,

changing the way we do business, get news, entertain ourselves.

Networks in Transition

While the bulk of a carrier’s traffic continues to be plain old telephone

service, the growth rate of data services outpaces voice by four to one.

At this rate, data traffic soon will eclipse voice traffic. As tradi-

tional capabilities, like fax and voice, migrate to the Internet, the

transition will accelerate. 

This  shift  from  voice-centric  to  data-centric  traffic  impacts

carriers  fundamentally.  Today’s  networks  were  built  to  handle

voice  traffic.  Yet,  the  changeover  in  traffic  mix  is  occurring  at 

an unprecedented rate. This shift has a profound impact on net-

work operators’ planning cycles, technology choices and capital

deployment decisions.

Networks continue to evolve to meet the changing demands of

the new information age. At the core of this evolution is a massive

increase in network bandwidth required to meet the new data-centric

service requirements. Bandwidth is being deployed at an astonishing

rate. Still, as bottlenecks are addressed in one portion of the network,

new bandwidth constraints appear elsewhere.

New Problems/New Solutions

Today, CIENA addresses the demand for bandwidth at the core of

the  network.  As  bottlenecks  are  pushed  out  into  the  network,

CIENA will look to address those new bottlenecks with products

designed specifically to meet the requirements of the application. At

CIENA,  we  continually  strive  to  deliver  innovative  solutions  by

working with our customers to gain a better understanding of the

problems they face in building their networks. Today, the challenge

they face is deploying more bandwidth.

7

Collaborative Relationships

When  Sprint  faced  the  enviable  challenge  of  rapidly  growing

voice  and  data  traffic  on  its  network,  they  looked  to  CIENA’s

DWDM products to help them meet that demand.

Sprint recognized early on its pending need for more network

bandwidth. Projections of Sprint’s increasing traffic growth meant

either costly fiber construction projects or worse, lost revenues.

Both were out of the question.

CIENA responded  by  delivering  a  solution,  our  MultiWave®

1600 DWDM system. We created a best-in-class product that

was a price/performance breakthrough. As a result of Sprint’s

collaboration  and  feedback  throughout  the  MultiWave  1600’s

development cycle, CIENA was able to deliver a system to meet

Sprint’s requirements faster than even Sprint thought

possible. With CIENA’s bandwidth solutions, Sprint

continues to grow its business to meet the market

demands of its customers.

Neil Grenfell
Sprint, Vice President of Engineering

Doug McKinley
Sprint, Director of Network Engineering

Customer  Focus

CIENA’s customers are not only in the communications business;

communications  is  their  business.  CIENA’s  bandwidth  solutions

enable our customers to profit in the highly competitive telecommu-

nications industry. Listening closely to our customers’ needs and

delivering  products  to  meet  those  needs  have  been  key  factors 

in CIENA’s success.

We Listen

We listen to our customers. It may sound simplistic, but our mission

is to provide solutions our customers need to meet the demanding

challenges they face. Only by developing a thorough understanding

of  these  challenges  can  we  begin  to  design  products  that  better

allow our customers to succeed. CIENA’s products have their genesis

in solving practical problems – not solely in the interesting applica-

tion of technology. As a result, our products are far more likely to

meet with early customer acceptance and commercial success.

We Anticipate

We also observe the direction both the industry and our customers’

businesses are heading. Watching the environment enables us to

anticipate what will be needed next.

The key to helping our customers maximize their opportunities

is being ready to deliver business solutions. By anticipating future

requirements, research and design efforts can be launched ahead of

market demand, resulting in solutions when customers need them.

We Deliver

Being  customer  focused  means  more  than  listening;  it  means

being responsive without being reactive, enabling our customers

to  leverage  the  competitive  advantage  our  products  provide.  It

means  working  in  partnership  with  our  customers  to  fine-tune

solutions  and  providing  quality  products  and  services  that  help

them achieve their business goals.

9

Making a Difference

A key to CIENA’s success has been the Company’s ability to

bring  to  market  products  based  on  diverse  innovative  tech-

nologies,  including  erbium-doped  fiber  amplifiers  and  in-fiber

Bragg  gratings.  Leading  edge  technology  is  critical  to  our  suc-

cess, as is top-notch optical systems engineering. But innovation

per se is  not  the  goal.  CIENA’s  research  and  development

efforts focus on creating products to solve customer problems.

Our innovative systems combine a wide range of component

technologies, yielding the best mix of robust technical perfor-

mance, economic benefit and timeliness of market availability.

Only within the larger context of practical applications can inno-

vation make a difference. Novel technology by itself is not 

sufficient. At CIENA, our engineers ask themselves

every day, “What am I able to do that adds value

for our customers?”

CIENA’s in-fiber Bragg
gratings laboratory

Innovative Technology

Market analysts suggest that the Internet continues to grow at over

75% per year. More and more information is traversing the world

at ever increasing speeds. While Internet-based information sources

and  Internet  usage  are  skyrocketing,  carriers’  networks  struggle  to

meet  current  demands.  Bandwidth  limitations  are  restricting  the

development and deployment of services that will enable the Internet

to fulfill its potential for global information exchange and commerce.

The First Step

CIENA’s MultiWave® 1600 was introduced in 1996 to allow long-

distance carriers to expand the capacity of existing fiber optic cable

by  16-fold.  Employing  dense  wavelength  division  multiplexing

(DWDM) technology, MultiWave 1600 sends up to 16 independent

information  streams  (channels),  each  on  a  different  wavelength

or color of light, along a single fiber. With this technology, a single

strand of fiber can carry the amount of information that used to

require 16 separate fibers.

Rapid Product Cycle

In 1997, CIENA introduced MultiWave Sentry™, a second generation

16-channel system offering enhanced transmission, network  man-

agement and performance monitoring features. With commercial

availability anticipated by mid-1998, CIENA’s MultiWave® 4000

system will further expand transport capacity up to 40 channels per

fiber, a total capacity of 100 gigabits per second.

New Customers/New Applications

Also during 1997, CIENA introduced a solution optimized for the

regional Bell operating companies and competitive local exchange

carriers. MultiWave® Firefly offers 24 channels (wavelengths) of

capacity at distances of up to 65 kilometers (32 miles). The price/

performance of this solution is ideally suited for the high-capacity,

short-distance needs of the local exchange carriers.

CIENA’s MultiWave Metro™ has the potential to change the way

service providers build their networks. Currently under develop-

ment,  MultiWave  Metro  directly  addresses  the  need  for  flexible

provisioning of bandwidth capacity in metropolitan areas. Using

DWDM  ring  technology,  CIENA  expects  MultiWave  Metro  will

offer carriers a significant cost breakthrough in building broad-

band access networks.

11

ISO 9001 Certified

ISO 9000 is a series of quality systems standards defined by

the International Standards Organization. ISO 9001 applies to

all facets of product design, manufacturing, installation, testing

and  servicing.  Increasingly,  both  domestic  and  international

corporations  are  relying  on  ISO  9001  standards  to  ensure 

consistent  high-quality  products  and  services  from  their  sup-

pliers. Understanding the importance of ISO 9001 certification

in the telecommunications market, particularly for large carriers,

in the latter part of 1996, CIENA launched efforts to adhere

to these standards.

CIENA proudly  received  its  ISO  9001  certification  in  July,

1997, less than a year after beginning the registration process.

The certification assures quality conscious carriers

and  potential  customers  that  consistent  practices

are  in  place  and  followed  throughout  CIENA’s

organization,  enabling  reliable  delivery  of  high-

quality products and services.

Manufacturing Excellence

The  manufacturing  and  assembly  of  precision  DWDM  systems

demands extremely stringent processes. The unique requirements

of major carriers, volume production and CIENA’s commitment to

unfaltering  product  quality  add  to  the  complexity.  Few  manufac-

turing facilities in the world could meet this challenge. At CIENA, we

recognized the inherent difficulty of the task we’d undertaken from

the onset. The emphasis we place on achieving excellence in man-

ufacturing  is  reflected  in  our  investment  in  processes,  facilities,

new innovations, suppliers and, most importantly, our people.

Process

Building excellence into our manufacturing process begins at the

component  level.  Suppliers  are  required  to  measure  and  record

the  performance  of  key  components  shipped  to  CIENA.  During

system assembly, sub-systems undergo automated testing where

test  data  is  measured  against  higher  than  industry  acceptable 

targets.  Entire  systems  are  optimized  for  performance  from  the

component  level  up.  The  result  is  higher  yield,  lower  deviation,

improved performance and consistent quality.

People

Driving this process are CIENA’s highly trained production spe-

cialists. Each individual receives six weeks of training at CIENA’s

dedicated training facility where they achieve certification before

moving to the manufacturing floor. Supporting the specialist on

the  production  line  are  workstations  with  step-by-step  graphic

work  instructions  and  automated  data  collection.  Continuous

training ensures a rigid adherence to quality standards and cross-

training enables flexibility.

Results

One of the keys to our continued success is our unwavering com-

mitment  to  manufacturing  excellence.  Customers  who  visit  our

manufacturing facilities leave with a new standard by which they

measure other vendors. Consistent quality throughout the manu-

facturing process, combined with the personal commitment of each

member of the production team, makes a discernible difference...

the CIENA difference.

13

“CIENA Time”

Things tend to move quickly at CIENA – the world of commu-

nications is changing faster than it ever has before. The days of

multi-year product development cycles are behind us. Today,

products  are  conceived,  refined  and  brought  to  market  in  a

period of months instead of years. As a supplier to some of the

largest  service  providers  in  the  world,  it  is  not  enough  to

merely keep pace with the change – CIENA must anticipate it,

instigate it.

Early on, we recognized that in order to effect change in the

outside  world,  our  organization  needed  the  ability  to  handle

change as well. CIENA has grown rapidly, from 225 people at

the end of our fiscal year 1996, to more than 900 by the end

of  December  1997.  To  accommodate  our  growth,

office  and  lab  expansions  are  nearly  routine.  No

longer  a  small  company,  we’ve  worked  hard  to

build scaleability – the ability to grow larger without

adversely  affecting  critical  processes  –  into  our

organization. And we are doing it all at the quicken-

ing pace of the industry – what we call “CIENA Time.”

Commitment

How is it possible that a new company like CIENA, in only a short

time, can change the landscape of an industry dominated by large,

established players? When we embarked on this endeavor, many

counseled  us  that  the  task  was  too  difficult,  the  competitors  too

strong. Since then, we believe we’ve proved the nay-sayers wrong.

Indeed, the task proved to be herculean and the competitors

remain  formidable.  Yet,  despite  conventional  wisdom,  we  have

succeeded in establishing a major role for CIENA in the new era of

communications. In large measure, we believe this is the result of

our commitment to rapid product development cycles, manufacturing

excellence and long-term customer relationships.

Entrepreneurial Spirit

The  commitment  of  CIENA’s  workforce  at  both  the  individual

and collective level, reflects the organization’s core values. We

believe these shared values are the true embodiment of the entre-

preneurial  spirit:  taking  ownership  and  responsibility  for  the

goals of the enterprise, and making those goals synonymous with

personal objectives. Long hours, late nights, difficult challenges

and tight schedules all somehow become more manageable in this

context. Behind each achievement, there is undoubtedly a host of

extraordinary  individual  contributions.  The  commitment  and

dedication of CIENA’s employees is truly one of our most visible

and valuable assets.

As CIENA grows, we will strive to maintain our entrepreneurial

spirit and an environment that fosters personal growth, encourages

independent thinking coupled with cooperative problem solving,

and values those that question the status quo.

Commitment Shows

When  customers,  suppliers  or  investors  visit  CIENA,  they  often

comment on the sense of spirit and camaraderie that permeates

the environment. Whether it is in a development lab, on the manu-

facturing  floor  or  at  a  customer  installation  site,  commitment

shows – in everything we do.

15

Management Team

(left to right) Michael Kelly, Michael Fagen, Joseph Berthold, Stephen Alexander, Stephen Whitt, Guy Van Buskirk, Jesús León, Daniel McCurdy, Howard Lukens,
Eric Georgatos, Steve Chaddick, Joseph Chinnici, Patrick Nettles, Andy Petrik, Rebecca Seidman, Gary Smith, Larry Huang, Mark Cummings

G. Eric Georgatos, Esq.
Vice President, 
General Counsel and Secretary

Patrick H. Nettles, Ph.D.
President and 
Chief Executive Officer

Stephen B. Alexander
Vice President, 
Transport Products

Joseph Berthold
Vice President, 
Network Architecture

Steve W. Chaddick
Senior Vice President, 
Products and Technologies

Lawrence P. Huang
Senior Vice President, 
Sales and Marketing

Michael Kelly 
Vice President, 
Quality Assurance 

Andrew C. Petrik
Vice President, 
Finance and Controller

Rebecca K. Seidman
Vice President, 
Human Resources

Gary Smith
Vice President, 
International Sales

Guy R. Van Buskirk
Vice President, 
Customer Service

Stephen Whitt
Vice President, 
Intellectual Property

Joseph R. Chinnici
Senior Vice President, 
Finance and Chief Financial Officer

Jesús León
Vice President, 
Access Products

Mark Cummings
Senior Vice President, 
Operations

W. Michael Fagen
Vice President, 
New Market Development

Howard Lukens
Vice President, 
North American Sales

Daniel P. McCurdy
Vice President, 
Corporate Development

16

Table  of  Contents

18 Selected Financial Data

19 Management’s Discussion and Analysis of 

Financial Condition and Results of Operations

25 Consolidated Balance Sheets

26 Consolidated Statements of Operations

27 Consolidated Statements of Changes 

in Stockholders’ Equity (Deficit)

28 Consolidated Statements of Cash Flows

29 Notes to Consolidated Financial Statement

39 Report of Independent Accountants

40 Executive Officers, Outside Board Members

17

CIENA CORPORATION

Selected  Financial  Data

For the period 
from inception 
(November 2, 1992) 
through October 31,(1)
1993

Year Ended October 31,(1)

1994

1995

1996

1997

(in thousands except share and per share data)

Statement of Operations
Data:
Revenue
Cost of goods sold
Gross Profit

Operating expenses

Research and development
Selling and marketing
General and administrative

Total operating expenses
Income (loss) from operations
Other income (expense), net
Income (loss) before income taxes
Provision for income taxes
Net income (loss)
Pro forma net income per common and 

common equivalent share(2)

(in thousands)

Balance Sheet Data:
Cash and cash equivalents
Working capital
Total assets
Long-term obligations, 

excluding current portion

Mandatorily redeemable preferred stock
Stockholders’ equity (deficit)

$ —
—
_______________________
—

—
—
123
_______________________
123
_______________________
(123)
—
_______________________
(123)
—
_______________________
$(123)
_______________________
_______________________

$ —
—
______________________________
—

1,287
295
787
______________________________
2,369
______________________________
(2,369)
(38)
______________________________
(2,407)
—
______________________________
$(2,407)
______________________________
______________________________

$ —
—
______________________________
—

6,361
481
896
______________________________
7,738
______________________________
(7,738)
109
______________________________
(7,629)
—
______________________________
$(7,629)
______________________________
______________________________

$54,838
21,844
________________________________
32,994

8,922
3,780
3,905
________________________________
16,607
________________________________
16,387
581
________________________________
16,968
2,250
________________________________
$14,718
________________________________
________________________________

$373,827
136,187
____________________________________
237,640

23,308
20,899
16,731
____________________________________
60,938
____________________________________
176,702
7,256
____________________________________
183,958
71,013
____________________________________
$112,945
____________________________________
____________________________________

—
_______________________
_______________________

—
______________________________
______________________________

—
______________________________
______________________________

$ 0.15
________________________________
________________________________

$
1.09
____________________________________
____________________________________

1993

1994

1995

1996

1997

October 31,(1)

$ 10
(35)
13

—
—
(35)

$ 1,908
932
2,497

$ 5,032
3,069
7,383

392
3,492
(2,388)

856
14,454
(9,930)

$22,557
35,856
67,301

2,673
40,404
4,970

$263,085
325,050
447,228

1,200
—
363,584

(1) The Company has a 52 or 53 week fiscal year which ends on the Saturday nearest to the last day of October in each year. For purposes of financial
statement presentation, each fiscal year is described as having ended on October 31. Fiscal 1994, 1995, and 1997 comprised 52 weeks and fiscal
1996 comprised 53 weeks.

(2) The pro forma weighted average common and common equivalent shares outstanding for year ended October 31, 1996 and 1997 was 99,111,000
and 103,765,000, respectively. Net income per common and common equivalent share is computed using the pro forma weighted average number
of common and common equivalent shares outstanding. Pro forma weighted average common and common equivalent shares outstanding include
Common Stock, stock options and warrants using the treasury stock method and the assumed conversion of all outstanding shares of Convertible
Preferred Stock into Common Stock. See Note 1 of Notes to Consolidated Financial Statements.

18

CIENA CORPORATION

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

The following discussion and analysis should be read in conjunction with the consolidated financial state-
ments and related notes included elsewhere in this report. The information in the annual report contains 
certain forward-looking statements that involve risks and uncertainties. The Company’s actual results may 
differ materially from the results discussed in the forward-looking statements due to risk factors discussed
briefly in the “Risk Factors” section of this annual report and in detail in the Company’s Form 10-K and
subsequent Form 8-K, filed with the Securities and Exchange Commission (SEC) on December 10, 1997
and December 29, 1997, respectively.

Overview

CIENA Corporation is a leading supplier of DWDM systems for fiberoptic communications networks. CIENA’s
DWDM systems alleviate capacity constraints and enable flexible provisioning of additional bandwidth on
high-traffic routes in carriers’ networks.

The Company completed its initial public offering of 5,750,000 shares, inclusive of 750,000 shares from
the exercise of the underwriters’ over-allotment option, at a price of $23 per share on February 12, 1997. Net
proceeds from the initial public offering were approximately $121.8 million with an additional $0.6 million
received from the exercise of certain outstanding warrants. On July 8, 1997 the Company completed a public
offering of 10,477,216 shares of which 1,252,060 shares were sold by the Company, inclusive of 252,060 shares
from the exercise of the underwriters’ over-allotment option, at a price of $44 per share. Net proceeds to the
Company from the July public offering were approximately $52.2 million. The Company has added the net
proceeds from the public offerings and from the exercise of the warrants to working capital. Pending use of the
net proceeds, the Company has invested such funds in short-term, interest bearing investment grade obligations.
The Company recognizes product revenue in accordance with the shipping terms specified. For transactions

where the Company has yet to obtain customer acceptance, revenue is deferred until the terms of acceptance
are satisfied. Revenue for installation services is recognized as the services are performed unless the terms of
the supply contract combine product acceptance with installation, in which case revenues for installation services
are recognized when the terms of acceptance are satisfied and installation is completed. Amounts received in
excess of revenue recognized are recorded as deferred revenue. For distributor sales where risks of ownership
have not transferred, the Company recognizes revenue when the product is shipped through to the end user.
All of the Company’s revenue of $54.8 million through October 31, 1996 was derived from MultiWave
1600 system sales to Sprint. Revenue for the fiscal year ended October 31, 1997 was $373.8 million and con-
sisted primarily of MultiWave 1600 systems sales to Sprint, WorldCom, DTI, and through the Company’s
Japanese distributor Nissho, to Teleway. The DTI installation represented the Company’s first deployment 
of the MultiWave 1600 as part of a newly built long distance fiberoptic route.

In June 1997, the Company signed an agreement to supply MultiWave 1600 systems to Mercury, a U.K.

based subsidiary of Cable and Wireless Communications Group. The agreement calls for delivery and installa-
tion beginning in August 1997 and continuing through December 1997. The Company also entered into an
agreement with BICC Cables, plc, to assist the Company in the delivery of service and support to Mercury in
connection with this installation and operation. Revenue recognition for the entirety of the Mercury shipments
has been deferred until completion of field testing.

In June 1997, the Company announced a next generation version of the MultiWave 1600 system, the Multi-
Wave Sentry, which includes enhancements that significantly expand the ability of the MultiWave system to inter-
face with data communications equipment in addition to other types of transmission equipment and increase
the distance which can be spanned between transmission terminals. The Company also announced a trial evaluation
agreement with AT&T, which calls for the Company to supply six 16-channel MultiWave Sentry systems for labo-
ratory interoperability testing. In August 1997, the Company reached agreement on a five-year supply contract
with AT&T. The supply agreement does not obligate AT&T to make any minimum purchases from the Company.

19

CIENA CORPORATION

In September 1997, the Company signed an agreement through Nissho to supply MultiWave Sentry to Japan
Telecom. The agreement calls for delivery and installation over several months beginning in October 1997. Revenue
recognition for the Japan Telecom shipments has been deferred until completion of field testing and product acceptance.
The Company is engaged in continuing efforts to expand its manufacturing capabilities. In April 1997 the
Company moved its non-manufacturing operating functions to an approximately 96,000 square foot facility near
the Baltimore/Washington International Airport in Linthicum, Maryland. During the third quarter ended July 1997,
the Company completed the process of renovating the vacated areas of the 50,500 square foot facility in Savage,
Maryland for manufacturing capabilities. In March 1997, the Company signed a lease for an additional facility
of approximately 57,000 square feet located in Linthicum to be used for manufacturing and support functions.
In September 1997 the Company leased an additional non-manufacturing facility of approximately
68,000 square feet in the Linthicum area, which it will use to transfer its principal executive offices in the second
and third quarter of fiscal 1998. The Company’s current 96,000 square foot facility would then be converted
almost entirely to research and product development functions. The Company added leased non-manufacturing
facilities during the fourth quarter of fiscal 1997 in Atlanta, Georgia and in Middletown, New Jersey. These
facilities will be used for product development, customer support and other selling and marketing activities.
The Company also expects to lease additional manufacturing facilities in the Linthicum area of approximately
50,000 to 100,000 square feet during fiscal 1998.

As of October 31, 1997 the Company and its subsidiaries employed 841 persons, which was an increase 

of 616 persons over the 225 employed on October 31, 1996.

Results of Operations

Fiscal Years Ended 1995, 1996 and 1997

Revenue. During the fiscal year ended October 31, 1995 the Company was in the development stage and gener-
ated no revenue. The Company recognized $373.8 million and $54.8 million in MultiWave 1600 system revenue
for the years ended October 31, 1997 and 1996, respectively. Revenue from installation services was $0.3 million
for fiscal 1997 compared to no installation service revenue in fiscal 1996. The Company began shipping the Multi-
Wave 1600 system for field testing in May 1996 with customer acceptance by Sprint occurring in July 1996.
The MultiWave 1600 system began carrying live traffic in the Sprint network in October 1996. Initial field trials,
customer acceptance, and the carrying of live traffic each occurred during fiscal 1997 in the WorldCom, Teleway,
and DTI networks.

Sprint and WorldCom accounted for $179.4 million (48.0%) and $184.5 million (49.4%), respectively of
the Company’s revenue during fiscal 1997. Revenue derived from foreign sales accounted for less than 2% of
the Company’s revenues during fiscal 1997. The Company expects fiscal 1998 revenue from both Sprint and
WorldCom to account for a lower percentage of the Company’s total fiscal 1998 revenue and also expects an
increase over the fiscal 1997 in the percentage of 1998 revenue derived from foreign sales.

The Company expects a decrease in the amount of revenues from MultiWave 1600 systems in fiscal 1998

as compared to fiscal 1997. The Company expects this decline in MultiWave 1600 revenue will be offset by the
initial product acceptance and revenue recognition from system sales of MultiWave Sentry, MultiWave FireFly,
MultiWave 4000 and additional installation services but given the recent introduction of these products, there
can be no assurance that this will be the case. See “Risk Factors.”

Gross Profit. Cost of goods sold consists of component costs, direct compensation costs, warranty and

other contractual obligations, royalties, license fees, and overhead related to the Company’s manufacturing and
installation operations. Gross profit was $237.6 million and $33.0 million for fiscal years 1997 and 1996,
respectively, with no comparable gross profit for fiscal 1995. Gross margin was 63.6% and 60.2% for fiscal
1997 and 1996, respectively. The increase in gross margin was affected by fixed overhead costs being allocated
over a larger revenue base, an improvement in manufacturing efficiencies, and reductions in component costs.

20

CIENA CORPORATION

The Company’s gross margins in the future may be under pressure by a number of factors, including com-
petitive market pricing, manufacturing volumes and efficiencies and fluctuations in component costs. See “Risk
Factors.” During fiscal 1998 the Company expects that future gross margins may be affected by the mix of
product features and configurations sold in a period as well as the extent of installation services provided.

Research and Development Expenses. Research and development expenses were $23.3 million, $8.9 mil-

lion, and $6.4 million for fiscal 1997, 1996, and 1995, respectively. The approximate $14.4 million or 161%
increase from fiscal 1996 to 1997 and the approximate $2.6, million or 40% increase from fiscal 1995 to fiscal
1996 in research and development expenses related to increased staffing levels, purchases of materials used in
development of new or enhanced product prototypes, and outside consulting services in support of certain develop-
ments and design efforts. During fiscal 1997 and 1996 , research and development expenses were 6.2% and 16.3%
of revenue, respectively. The Company expects that its research and development expenditures will continue to
increase in absolute dollars and perhaps as a percentage of revenue during fiscal 1998 to support the continued
development of the various DWDM products, the exploration of new or complementary technologies, and the pur-
suit of various cost reduction strategies. The Company has expensed research and development costs as incurred.

Selling and Marketing Expenses. Selling and marketing expenses were $20.9 million, $3.8 million, and

$0.5 million for fiscal 1997, 1996, and 1995, respectively. The approximate $17.1 million or 453% increase
from fiscal 1996 to 1997 and the approximate $3.3 million or 686% increase from fiscal 1995 to fiscal 1996 in
selling and marketing expenses was primarily the result of increased staffing levels in the areas of sales, technical
assistance and field support, and increases in commissions earned, trade show participation and promotional
costs. During fiscal 1997 and 1996, selling and marketing expenses were 5.6% and 6.9% of revenue, respec-
tively. The Company anticipates that its selling and marketing expenses will increase in absolute dollars and
perhaps as a percentage of revenue during fiscal 1998 as additional personnel are hired and additional offices
are opened to allow the Company to pursue new market opportunities. The Company also expects the portion
of selling and marketing expenses attributable to technical assistance and field support will increase as the
Company’s installed base of operational MultiWave systems increases.

General and Administrative Expenses. General and administrative expenses were $16.7 million, $3.9 mil-

lion, and $0.9 million for fiscal 1997, 1996, and 1995, respectively. The approximate $12.8 million or 328%
increase from fiscal 1996 to 1997 in general and administrative expenses was primarily the result of a $7.5 mil-
lion charge for actual and estimated legal and related costs associated with ongoing and pending litigation. See
Item 3. “Legal Proceedings.” The remaining $5.3 million increase was primarily the result of increased staffing
levels and outside consulting services. The approximate $3.0 million or 336% increase from fiscal 1995 to 1996
in general and administrative expenses was also the result of increased staffing levels and outside consulting
services. During fiscal 1997 and 1996, general and administrative expenses were 4.5% and 7.1% of revenue,
respectively. The Company believes that its general and administrative expenses will increase in absolute dollars
and perhaps as a percentage of revenue during fiscal 1998 as a result of the expansion of the Company’s admini-
strative staff required to support its expanding operations and legal expenses associated with pending litigation.
Operating Profit. During fiscal 1995 the Company was in the development stage and generated no reve-
nue and had a loss from operations of $7.7 million. The Company’s operating profit for fiscal 1997 and 1996
was $176.7 million or 47.3% of revenue and $16.4 million or 29.9% of revenue, respectively. The Company
expects that its operating profit will decrease as a percentage of revenue as it continues to hire additional per-
sonnel and increase operating expenses to support its business.

Other Income (Expense), Net. Other income (expense), net, consists of interest income earned on the
Company’s cash and cash equivalents, net of interest expense associated with the Company’s debt obligations.
Other income (expense), net, was $7.3 million, $0.6 million, and $0.1 million for fiscal 1997, 1996, and 1995,
respectively. The year to year increase in other income (expense), net, was primarily the result of the invest-
ment of the net proceeds of the Company’s stock offerings.

21

CIENA CORPORATION

Provision (Benefit) For Income Taxes. During fiscal 1995, a valuation allowance had been recorded to
offset the Company’s net deferred tax assets, including possible future benefit from realization of tax operating
loss carryforwards. The recording of such valuation allowance was based upon management’s determination
that realization of the net deferred tax assets was not “more likely than not” ( as defined in Statement of
Financial Accounting Standards No. 109, “Accounting for Income Taxes”). During fiscal 1996, the Company
received product acceptance from its initial customer and started profitable operations, at which time the
Company fully reversed its previously established deferred tax valuation allowance. The provision for income
taxes for fiscal 1996 of $2.3 million is net of an approximate tax benefit of $4.6 million related to the reversal
of the deferred tax valuation allowance. See Note 7 of Notes to Consolidated Financial Statements. The Company’s
provision for income taxes was 38.6% of pre-tax earnings, or $71.0 million for fiscal 1997.

Quarterly Results of Operations

The tables below set forth the operating results and percentage of revenue represented by certain items in the
Company’s statements of operations for each of the eight quarters in the period ended October 31, 1997. This
information is unaudited, but in the opinion of the Company reflects all adjustments (consisting only of normal
recurring adjustments) that the Company considers necessary for a fair presentation of such information in
accordance with generally accepted accounting principles. The results for any quarter are not necessarily
indicative of results for any future period. Operating results as a percentage of revenue for the quarters ended
January 31 and April 30, 1996 are excluded due to the absence of revenue for those periods:

Jan. 31,
1996

Apr. 30,
1996

Jul. 31,
1996

Oct. 31,
1996

Jan. 31,
1997

April 30,
1997

Jul. 31,
1997

Oct. 31,
1997

Fiscal Quarter Ended

(in thousands, except per share data)

Revenue
Cost of goods sold
Gross profit

Operating expenses:
Research and 
development

Selling and marketing
General and 

administrative

Total operating expenses

Income (loss) 

from operations

Other income 

(expense), net

Income (loss) before 

income taxes

Provision (benefit) 
for income taxes

Net income (loss)

Pro forma net income 
(loss) per common 
and common 
equivalent share(1)(2)

Pro forma weighted 

average common and 
common equivalent 
shares outstanding(1)

22

$ — $ — $16,923
7,346
_____________________________
9,577
_____________________________

—
____________________________
—
____________________________

—
___________________________
—
___________________________

$37,915
14,498
_____________________________
23,417
_____________________________

$53,933
20,832
______________________________
33,101
______________________________

$86,669
32,008
______________________________
54,661
______________________________

$112,189
40,158
__________________________________
72,031
__________________________________

$121,036
43,189
__________________________________
77,847
__________________________________

2,473
491

1,746
700

1,964
1,130

2,739
1,459

3,050
2,598

4,699
4,485

7,245
6,315

8,314
7,501

499
____________________________
3,463
____________________________

526
___________________________
2,972
___________________________

1,064
_____________________________
4,158
_____________________________

1,816
_____________________________
6,014
_____________________________

6,295
______________________________
11,943
______________________________

2,106
______________________________
11,290
______________________________

2,630
__________________________________
16,190
__________________________________

5,700
__________________________________
21,515
__________________________________

(3,463)

(2,972)

5,419

17,403

21,158

43,371

55,841

56,332

129
____________________________

237
___________________________

75
_____________________________

140
_____________________________

290
______________________________

1,877
______________________________

1,453
__________________________________

3,636
__________________________________

(3,334)

(2,735)

5,494

17,543

21,448

45,248

57,294

59,968

—
____________________________
$(3,334)
____________________________
____________________________

—
___________________________
$(2,735)
___________________________
___________________________

(4,600)
_____________________________
$10,094
_____________________________
_____________________________

6,850
_____________________________
$10,693
_____________________________
_____________________________

8,365
______________________________
$13,083
______________________________
______________________________

17,646
______________________________
$27,602
______________________________
______________________________

22,345
__________________________________
$ 34,949
__________________________________
__________________________________

22,657
__________________________________
$ 37,311
__________________________________
__________________________________

$ (0.03)
____________________________
____________________________

$ (0.03)
___________________________
___________________________

$ 0.10
_____________________________
_____________________________

$ 0.11
_____________________________
_____________________________

$ 0.13
______________________________
______________________________

$ 0.26
______________________________
______________________________

$
0.33
__________________________________
__________________________________

$
0.35
__________________________________
__________________________________

99,111
____________________________
____________________________

99,111
___________________________
___________________________

99,111
_____________________________
_____________________________

99,111
_____________________________
_____________________________

99,425
______________________________
______________________________

104,457
______________________________
______________________________

105,296
__________________________________
__________________________________

106,308
__________________________________
__________________________________

CIENA CORPORATION

Jan. 31, Apr. 30,

1996

1996

Jul. 31,
1996

Oct. 31,
1996

Jan. 31,
1997

April 30,
1997

Jul. 31,
1997

Oct. 31,
1997

Fiscal Quarter Ended

(as a percentage of revenue)

Revenue
Cost of goods sold
Gross profit

Operating expenses:

Research and development
Selling and marketing
General and administrative

Total operating expenses
Income (loss) from operations
Other income (expense), net
Income (loss) before 

income taxes

Provision (benefit) for 

income taxes

Net income (loss)

—
—
_______________
—

—
—
—
_______________
—
_______________
—
—
_______________

—
—
_______________
—

—
—
—
_______________
—
_______________
—
—
_______________

100.0%
43.4
____________________
56.6

100.0%
38.2
____________________
61.8

100.0%
38.6
____________________
61.4

100.0%
36.9
____________________
63.1

100.0%
35.8
___________________
64.2

100.0%
35.7
___________________
64.3

11.6
6.7
6.3
____________________
24.6
____________________
32.0
0.4
____________________

7.2
3.8
4.8
____________________
15.8
____________________
46.0
0.3
____________________

5.7
4.8
11.7
____________________
22.2
____________________
39.2
0.6
____________________

5.5
5.2
2.4
____________________
13.1
____________________
50.0
2.2
____________________

6.5
5.6
2.3
___________________
14.4
___________________
49.8
1.3
___________________

6.9
6.2
4.7
___________________
17.8
___________________
46.5
3.0
___________________

—

—

32.4

46.3

39.8

52.2

51.1

49.5

—
_______________
—
_______________
_______________

—
_______________
—
_______________
_______________

(27.2)
____________________
____________________
____________________

59.6%

18.1
____________________
____________________
____________________

28.2%

15.5
____________________
____________________
____________________

24.3%

20.3
____________________
____________________
____________________

31.9%

19.9
___________________
31.2%
___________________
___________________

18.7
___________________
30.8%
___________________
___________________

(1) The pro forma net income (loss) per common and common equivalent share are presented on a pro forma basis for all periods stated, except for

the quarters ended July 31, 1997 and October 31, 1997, which is presented on a historical basis. Pro forma weighted average common and com-
mon equivalent shares outstanding include Common Stock, stock options and warrants using the treasury stock method and the assumed conver-
sion of all outstanding shares of Convertible Preferred Stock into Common Stock. See Note 1 of Notes to Consolidated Financial Statements.

(2) The sum of the quarterly earnings per share for fiscal 1997 does not equal the reported annual earnings per share for fiscal 1997 due to the effect

of the Company’s stock issuances during the year.

The Company’s quarterly operating results have varied and are expected to vary significantly in the future.

These fluctuations may be caused by many factors, including, among others, the size and timing of customer
orders and the related field testing and product acceptance cycle times; increases in manufacturing and operat-
ing expenses in anticipation of expected customer demand; effective transition and market acceptance of new
and multiple product lines; competitive pricing pressures; mix of products and services sold; intellectual prop-
erty litigation; and general economic conditions. As a result of the foregoing and other factors, the Company
believes that period-to-period comparisons of its results of operations are not necessarily meaningful and
should not be relied upon as indications of future performance.

The Company’s revenue increased significantly on a quarter-to-quarter basis since the Company’s initial
customer acceptance during the quarter ended July 31, 1996 to the quarter ended July 31, 1997. The fourth
quarter ended October 31, 1997 posted an increase in revenue as compared to the third quarter ended July 31,
1997 with moderating sequential growth in percentage terms as compared to the previous quarters. The mod-
erating revenue growth in the fourth quarter of fiscal 1997 was attributable to a year-end wind-down of the
annual capital equipment procurement cycle of one of the two primary customers of the Company.

The Company currently expects revenue for the first quarter of fiscal 1998 to show sequential growth,
with the rate to be comparable or perhaps modestly above that experienced between the third and fourth quar-
ters of fiscal 1997. However, due to the evolving nature of the markets for the Company’s products and other
factors, there can be no assurance that the Company’s revenues will increase on a quarter-to-quarter basis or at
all in future periods.

Operating expenses have generally increased in absolute dollars over the quarters shown as the Company
has increased staffing and related infrastructure costs in its research and development, selling and marketing,
and administrative functions. Quarter-to-quarter growth in research and development was primarily attribut-
able to increased staffing levels, purchases of materials used in the development of new or enhanced prototypes,

23

CIENA CORPORATION

and outside services in support of certain developments and design efforts. Quarter-to-quarter growth in selling
and marketing was primarily the result of increased staffing levels in the areas of sales, technical assistance
and field support, and increases in commissions earned, trade show participation and promotional costs. For
the quarters ended January 31, 1997 and October 31, 1997, the increases in general and administrative costs
were primarily the result of a $5.0 and $2.5 million charge, respectively, to accrue estimated legal and related
costs associated with pending litigation. See Note 9 of Notes to Consolidated Financial Statements.

Liquidity and Capital Resources

The Company financed its operations and capital expenditures from inception through fiscal 1996 prin-
cipally through the sale of Convertible Preferred Stock for proceeds totaling $40.6 million and capital
lease financing totaling $4.1 million. The Company completed its initial public offering of Common Stock
in February 1997 and realized net proceeds of approximately $121.8 million with an additional $0.6 mil-
lion received from the exercise of certain outstanding warrants. In July 1997, the Company completed a
public offering of Common Stock and realized net proceeds of approximately $52.2 million. During fiscal
1997 the Company also realized approximately $53.1 million in tax benefits from the exercise of stock
options and certain stock warrants. As of October 31, 1997, the Company had $263.1 million in cash 
and cash equivalents.

The Company’s operating activities used cash of $6.6 million in fiscal 1995 and provided cash of 
$80.1 million and $0.6 million for fiscal 1997 and 1996, respectively. The cash used in operations in fiscal
1995 was accounted for primarily by the Company’s development stage operating losses. Cash provided by
operations in fiscal 1997 and 1996 was principally attributable to net income adjusted for the non-cash
charges of depreciation, amortization, provisions for inventory obsolescence and warranty, increases in
accounts payable, accrued expenses and income tax payable; offset by increases in accounts receivable and
inventories due to increased revenue and to the general increase in business activity.

Cash used in investing activities in fiscal 1995, 1996 and 1997 were $2.0 million, $11.5 million and 
$66.6 million, respectively. Included in investment activities were capital equipment expenditures in fiscal
1995, 1996 and 1997 of $1.9 million, $9.8 million and $51.7 million, respectively. These capital equipment
expenditures were primarily for test, manufacturing and computer equipment. The Company expects addi-
tional capital equipment expenditures to be made during fiscal 1998 to support selling and marketing, manu-
facturing and product development activities. In addition, since its inception the Company’s investing activities
have included the use of $17.3 million for the construction of leasehold improvements and expects to use an
additional $9.9 million of capital in the construction of leasehold improvements for its new facilities. The
Company intends to lease additional facilities of 50,000 to 100,000 square feet in mid-1998 and may spend 
up to $5.0 million to $10.0 million in improving such facilities as and to the extent necessary to meet expan-
sion requirements.

The Company believes that its existing cash balance and cash flows expected from future operations will

be sufficient to meet the Company’s capital requirements for at least the next 18 to 24 months.

Risk Factors

Investors are reminded that this document contains forward-looking statements that should be considered in
the context of the risks described in the Company’s Form-10K and subsequent Form 8-K, on file with the SEC
as of December 10, 1997 and December 29, 1997 respectively. Risk factors that may cause the Company’s
results to differ materially from those discussed in forward-looking statements include, but are not limited to: 
a dependence on major customers, a dependence on an effective transition to multiple product lines, the poten-
tial for new product development delays and competitive pressures.

24

CIENA CORPORATION

Consolidated  Balance  Sheets

(in thousands, except share data)

Assets
Current assets:

Cash and cash equivalents
Accounts receivable (net of allowance of $— and $200)
Inventories, net
Deferred income taxes
Prepaid expenses and other
Total current assets

Equipment, furniture and fixtures, net
Other assets

Total assets

Liabilities, Mandatorily Redeemable Preferred Stock and Stockholders’ Equity
Current liabilities:

Accounts payable
Accrued liabilities
Income taxes payable
Deferred revenue
Other current obligations

Total current liabilities

Deferred income taxes
Other long-term obligations

Total liabilities

Commitments and contingencies
Mandatorily redeemable preferred stock—par value $.01 

16,250,000 shares authorized:
Series A—4,500,000 shares authorized; 3,590,157 and zero shares 

issued and outstanding 

Series B—8,000,000 shares authorized; 7,354,092 and zero shares 

issued and outstanding 

Series C—3,750,000 shares authorized; 3,718,899 and zero shares 

issued and outstanding

Stockholders’ equity:

Preferred stock—par value $.01; 20,000,000 shares authorized; 

zero shares issued and outstanding

Common stock—par value $.01; 180,000,000 shares authorized; 

13,191,585 and 99,287,653 shares issued and outstanding

Additional paid-in capital
Notes receivable from stockholders
Retained earnings

Total stockholders’ equity

October 31,

1996

1997

$22,557
16,759
13,228
1,834
634
_______________________________
55,012
11,863
426
_______________________________
$67,301
_______________________________
_______________________________

$ 6,278
5,242
3,342
3,265
1,029
_______________________________
19,156
—
2,771
_______________________________
21,927
—

3,492

10,962

25,950

—

132
339
(60)
4,559
_______________________________
4,970
_______________________________

$263,085
63,227
41,109
9,006
2,220
_____________________________________
378,647
67,412
1,169
_____________________________________
$447,228
_____________________________________
_____________________________________

$ 20,373
31,463
—
776
985
_____________________________________
53,597
28,167
1,880
_____________________________________
83,644
—

—

—

—

—

993
245,151
(64)
117,504
_____________________________________
363,584
_____________________________________

Total liabilities, mandatorily redeemable preferred stock 

and stockholders’ equity

$67,301
_______________________________
_______________________________

$447,228
_____________________________________
_____________________________________

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

25

CIENA CORPORATION

Consolidated  Statements  of  Operations

(in thousands, except per share data)

Revenue
Cost of goods sold
Gross profit

Operating expenses:

Research and development
Selling and marketing
General and administrative
Total operating expenses
Income (loss) from operations
Interest and other income (expense), net
Interest expense
Income (loss) before income taxes
Provision for income taxes
Net income (loss)
Pro forma net income per common and common equivalent share
Pro forma weighted average common and common equivalent 

shares outstanding

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

Year Ended October 31,
1996

1995

1997

$ —
—
______________________________
—
______________________________

6,361
481
896
______________________________
7,738
______________________________
(7,738)
195
(86)
______________________________
(7,629)
—
______________________________
$(7,629)
______________________________
______________________________

$54,838
21,844
_______________________________
32,994
_______________________________

8,922
3,780
3,905
_______________________________
16,607
_______________________________
16,387
877
(296)
_______________________________
16,968
2,250
_______________________________
$14,718
_______________________________
_______________________________
0.15
$
_______________________________
_______________________________

$373,827
136,187
____________________________________
237,640
____________________________________

23,308
20,899
16,731
____________________________________
60,938
____________________________________
176,702
7,599
(343)
____________________________________
183,958
71,013
____________________________________
$112,945
____________________________________
____________________________________
1.09
$
____________________________________
____________________________________

99,111
_______________________________
_______________________________

103,765
____________________________________
____________________________________

26

CIENA CORPORATION

Consolidated  Statements  of  Changes  in 
Stockholders’  Equity  (Deficit)

Common Stock

Shares

Amount

Additional
Paid-in-Capital

Notes 
Receivable From
Stockholders

Retained
Earnings
(Deficit)

Total
Stockholders’
Equity (Deficit)

$ (2,530)
—
—

$ (2,388)
22
—

(dollars in thousands)

Balance at October 31, 1994
Exercise of warrants
Exercise of stock options
Repayment of receivables 

from stockholders

Net loss
Balance at October 31, 1995
Exercise of warrants
Exercise of stock options
Compensation cost of stock options
Issuance of warrant for settlement

of certain equity rights

Net income
Balance of October 31, 1996
Issuance of common stock, 

net of issuance costs

Conversion of Preferred Stock
Exercise of warrants
Exercise of stock options
Tax benefit from the exercise 

of stock options

Repayment of receivables 

from stockholders

Compensation cost of stock options
Net income
Balance at October 31, 1997

10,816,665
1,075,000
43,750

—
—
____________________________________________
11,935,415
676,425
579,745
—

—
—
____________________________________________
13,191,585

7,002,060
74,815,740
666,086
3,612,182

—

—
—
—
____________________________________________
99,287,653
____________________________________________
____________________________________________

$108
11
—

—
—
___________________
119
7
6
—

—
—
___________________
132

70
748
7
36

—

—
—
—
___________________
$993
___________________
___________________

$

99
11
—

—
—
____________________________________
110
—
71
2

156
—
____________________________________
339

173,947
40,256
—
859

$(65)
—
—

65
—
_________________
—
—
(60)
—

—
—
_________________
(60)

—
—
—
(73)

29,709

—

—
(7,629)
___________________________________
(10,159)
—
—
—

—
14,718
___________________________________
4,559

—
—
—
—

—

—
41
—
____________________________________
$245,151
____________________________________
____________________________________

69
—
—
_________________
$(64)
_________________
_________________

—
—
112,945
___________________________________
$117,504
___________________________________
___________________________________

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

65
(7,629)
____________________________________
(9,930)
7
17
2

156
14,718
____________________________________
4,970

174,017
41,004
7
822

29,709

69
41
112,945
____________________________________
$363,584
____________________________________
____________________________________

27

CIENA CORPORATION

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 (used in) operating activities:

Non-cash charges from equity transactions
Write down of leasehold improvements and equipment
Depreciation and amortization
Provision for doubtful accounts
Provision for inventory excess and obsolescence
Provision for warranty and other contractual obligations
Changes in assets and liabilities:

Increase in accounts receivable
Increase in inventories
Increase in deferred income tax assets
Increase in prepaid expenses and other assets
Increase in accounts payable and accruals
(Decrease) increase in income taxes payable
Increase in deferred income tax liabilities
(Decrease) increase in deferred revenue and 

other obligations

Net cash provided by (used in) operating activities

Cash flows from investing activities:

Additions to equipment, furniture and fixtures

Net cash used in investing activities

Cash flows from financing activities:

Net proceeds from (repayment of) other obligations
Net proceeds from issuance of or subscription to 

mandatorily redeemable preferred stock

Net proceeds from issuance of common stock
Tax benefit related to exercise of stock options and warrants
Repayment of notes receivable from stockholders

Net cash provided by financing activities
Net increase in cash and cash equivalents
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Supplemental disclosure of cash flow information:

Cash paid during the period for:

Interest
Income taxes

Supplemental disclosure of non-cash financing activities:

Issuance of common stock for notes receivable 

from stockholders

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

Year Ended October 31,
1996

1995

1997

$ (7,629)

$ 14,718

$112,945

—
—
355
—
—
—

(8)
—
—
(72)
757
—
—

(11)
_______________________________
(6,608)

(2,036)
_______________________________
(2,036)
_______________________________

158
883
1,007
—
1,937
1,584

(16,753)
(15,165)
(1,834)
(955)
8,311
3,342
—

3,353
_________________________________
586

(11,514)
_________________________________
(11,514)
_________________________________

41
923
10,155
200
7,585
11,866

(46,668)
(35,466)
(7,172)
(2,329)
28,450
(3,342)
4,793

(1,907)
___________________________________
80,074

(66,627)
___________________________________
(66,627)
___________________________________

719

2,479

(1,517)

10,962
22
—
65
_______________________________
11,768
_______________________________
3,124
1,908
_______________________________
$ 5,032
_______________________________
_______________________________

25,950
24
—
—
_________________________________
28,453
_________________________________
17,525
5,032
_________________________________
$ 22,557
_________________________________
_________________________________

—
175,446
53,083
69
___________________________________
227,081
___________________________________
240,528
22,557
___________________________________
$263,085
___________________________________
___________________________________

86
$
_______________________________
_______________________________
—
$
_______________________________
_______________________________

296
$
_________________________________
_________________________________
742
$
_________________________________
_________________________________

$
343
___________________________________
___________________________________
$ 24,825
___________________________________
___________________________________

$
—
_______________________________
_______________________________

$
60
_________________________________
_________________________________

$
73
___________________________________
___________________________________

28

CIENA CORPORATION

Notes  to  Consolidated  Financial  Statements

(1) The Company and Significant Accounting Policies

Description of Business

CIENA Corporation (the “Company” or “CIENA”), a Delaware corporation, designs, manufactures and sells
dense wavelength division multiplexing systems for fiberoptic telecommunications networks. During the period
from November 2, 1992 to October 31, 1995, CIENA was a development stage company as defined in State-
ment of Financial Accounting Standards No. 7, “Development Stage Enterprises.” Planned principal operations
commenced during fiscal 1996 and, accordingly, CIENA is no longer considered a development stage company.

Principles of Consolidation

During the fiscal year ended October 31, 1997, the Company formed four wholly owned subsidiaries for the
purpose of segregating aspects of the Company’s business. The accompanying consolidated financial statements
include the accounts of the Company and its wholly-owned subsidiaries. All material intercompany accounts
and transactions have been eliminated in consolidation.

Fiscal Year

The Company has a 52 or 53 week fiscal year which ends on the Saturday nearest to the last day of October in
each year (November 1, 1997; November 2, 1996; and October 28, 1995). For purposes of financial statement
presentation, each fiscal year is described as having ended on October 31. Fiscal 1997 and 1995 comprised 
52 weeks and fiscal 1996 comprised 53 weeks.

Use of Estimates

The preparation of financial statements in conformity with generally accepted accounting principles requires
the Company to make estimates, judgments and assumptions that affect the reported amounts of assets, liabilities,
revenue and expenses, together with amounts disclosed in the related notes to the financial statements. Particu-
larly sensitive estimates include reserves for warranty and other contractual obligations and for excess and
obsolete inventories. Actual results could differ from the recorded estimates.

Cash and Cash Equivalents

The Company considers all highly liquid investments purchased with original maturities of three months or
less to be cash equivalents.

Inventories

Inventories are stated at the lower of cost or market, with cost determined on the first-in, first-out basis. The
Company records a provision for excess and obsolete inventory whenever such an impairment has been identified.

Equipment, Furniture and Fixtures

Equipment, furniture and fixtures are recorded at cost. Depreciation and amortization are computed using the
straight-line method over useful lives of 2-5 years for equipment, furniture and fixtures and of 6-10 years for
leasehold improvements.

Concentrations

Substantially all of the Company’s cash and cash equivalents are custodied with four major U.S. financial insti-
tutions. The majority of the Company’s cash equivalents include U.S. Government Federal Agency Securities
and overnight repurchase agreements. Deposits held with banks may exceed the amount of insurance provided
on such deposits. Generally these deposits may be redeemed upon demand and therefore, bear minimal risk.

29

CIENA CORPORATION

Historically, the Company has relied on a limited number of customers for a substantial portion of its reve-

nue. In terms of total revenue, the Company’s largest two customers have been Sprint and WorldCom who
combined for greater than 90% of the Company’s fiscal 1997 revenue. The Company expects that a significant
portion of its future revenue will continue to be generated by a limited number of customers. The loss of any 
of these customers or any substantial reduction in orders by any of these customers could materially adversely
affect the Company’s operating results. Additionally, the Company’s access to certain raw materials is depen-
dent upon single and sole source suppliers. The inability of any supplier to fulfill supply requirements of the
Company could impact future results.

The Company performs ongoing credit evaluations of its customers and generally does not require collateral
from its customers. The Company maintains allowances for potential losses, and has not incurred any significant
losses to date. As of October 31, 1996 all of the Company’s trade accounts receivable were derived from Sprint, and
both Sprint and WorldCom accounted for more than 90% of the trade accounts receivable as of October 31, 1997.

Revenue Recognition

The Company recognizes product revenue in accordance with the shipping terms specified. For transactions
where the Company has yet to obtain customer acceptance, revenue is deferred until the terms of acceptance
are satisfied. Revenue for installation services is recognized as the services are performed unless the terms of
the supply contract combine product acceptance with installation, in which case revenues for installation ser-
vices are recognized when the terms of acceptance are satisfied and installation is completed. Amounts received
in excess of revenue recognized are recorded as deferred revenue. For distributor sales where risks of ownership
have not transferred, the Company recognizes revenue when the product is shipped through to the end user.

Revenue-Related Accruals

The Company provides for the estimated costs to fulfill customer warranty and other contractual obligations
upon the recognition of the related revenue. Such reserves are determined based upon actual warranty cost
experience, estimates of component failure rates, and management’s industry experience. The Company’s con-
tractual sales arrangements generally do not permit the right of return of product by the customer after the
product has been accepted.

Research and Development

The Company charges all research and development costs to expense as incurred.

Income Taxes

The Company accounts for income taxes in accordance with Statement of Financial Accounting Standards 
No. 109 (SFAS No. 109), “Accounting for Income Taxes.” SFAS No. 109 is an asset and liability approach that
requires the recognition of deferred tax assets and liabilities for the expected future tax consequences attributable
to differences between the carrying amounts of assets and liabilities for financial reporting purposes and their
respective tax bases, and for operating loss and tax credit carryforwards. In estimating future tax consequences,
SFAS No. 109 generally considers all expected future events other than the enactment of changes in tax laws or
rates. Tax savings resulting from deductions associated with stock options and certain stock warrants are credited
directly to additional paid in capital when realization of such benefit is fully assured and to deferred tax liabilities
prior to such point. See Note 7.

Foreign Currency Translation

The Company’s foreign branches and subsidiaries use the U.S. dollar as their functional currency as the U.S.
parent exclusively funds the branches and subsidiaries’ operations with U.S. dollars. The net gain (loss) on for-
eign currency remeasurement and exchange rate changes for fiscal 1995 , 1996, and 1997 was immaterial.

30

CIENA CORPORATION

Computation of Pro Forma Net Income per Share

Pro forma net income per common and common equivalent share is computed using the pro forma weighted
average number of common and common equivalent shares outstanding. Pro forma weighted average common
and common equivalent shares include Common Stock, stock options and warrants using the treasury stock
method and the assumed conversion of all outstanding shares of Convertible Preferred Stock into Common
Stock. Since the conversion of the Convertible Preferred Stock at the initial public offering date had a signifi-
cant effect on the earnings per share calculation, historical loss per share for the fiscal year ended October 31,
1995 has not been calculated on the basis that it is irrelevant.

Pursuant to the rules and regulations of the Securities and Exchange Commission, Common Stock, stock
options, warrants and Convertible Preferred Stock issued by the Company during the twelve months immedi-
ately preceding the filing of the initial registration statement and through the effective date of such registration
statement have been included in the calculation of the pro forma weighted average shares outstanding using
the treasury stock method based on the initial public offering price.

Software Development Costs

Statement of Financial Accounting Standards No. 86, “Accounting for the Costs of Computer Software to be
Sold, Leased or Otherwise Marketed,” requires the capitalization of certain software development costs incurred
subsequent to the date technological feasibility is established and prior to the date the product is generally availa-
ble for sale. The capitalized cost is then amortized over the estimated product life. The Company defines tech-
nological feasibility as being attained at the time a working model is completed. To date, the period between
achieving technological feasibility and the general availability of such software has been short and software
development costs qualifying for capitalization have been insignificant. Accordingly, the Company has not capi-
talized any software development costs.

Accounting for Stock Options

In October 1995, the Financial Accounting Standards Board issued Statement of Financial Accounting Standards
No. 123 (SFAS No. 123), “Accounting for Stock-Based Compensation,” which is effective for the Company’s
consolidated financial statements for fiscal years 1996 and 1997. SFAS No. 123 allows companies to either
account for stock-based compensation under the new provision of SFAS No. 123 or using the intrinsic value
method provided by Accounting Principles Board Opinion No. 25 (APB No. 25), “Accounting for Stock Issued
to Employees,” but requires pro forma disclosure in the footnotes to the financial statements as if the measure-
ment provisions of SFAS No. 123 had been adopted. The Company has elected to continue to account for its
stock based compensation in accordance with the provisions of APB No. 25 and present pro forma disclosures
required by SFAS No. 123. See Note 6.

Newly Issued Accounting Standards

In February 1997, the Financial Accounting Standards Board issued Statement of Financial Accounting Standards
No. 128, “Earnings per Share” (SFAS No. 128). SFAS No. 128 simplifies the earnings per share (EPS) compu-
tation and replaces the presentation of primary EPS with a presentation of basic EPS. This statement also requires
dual presentation of basic and diluted EPS on the face of the income statement for entities with a complex
capital structure and requires a reconciliation of the numerator and denominator used for the basic and diluted
EPS computations. The Company will implement SFAS No. 128 in fiscal 1998, as required. Accordingly, all
prior period EPS data will be restated. To illustrate the effect of adoption, the Company has elected to disclose
pro forma basic and diluted EPS amounts computed using SFAS No. 128, as permitted by the standard. On a
pro forma basis, the weighted average shares outstanding for basic EPS and the resulting EPS would be 12,840,000
and $1.15 for the fiscal year ended October 31, 1996, and 95,357,000 and $1.18 for the fiscal year ended
October 31, 1997. Diluted EPS under SFAS No. 128 would be the same as currently presented.

31

CIENA CORPORATION

In June 1997, the FASB issued SFAS No. 130, “Comprehensive Income.” SFAS No. 130 becomes effective for

the Company’s fiscal year 1999 and requires reclassification of earlier financial statements for comparative pur-
poses. SFAS No. 130 requires that changes in the amounts of certain items, including foreign currency translation
adjustments and gains and losses on certain securities be shown in the financial statements. SFAS No. 130 does
not require a specific format for the financial statement in which comprehensive income is reported, but does
require that an amount representing total comprehensive income be reported in that statement. The Company
believes the adoption of SFAS No. 130 will not have a material effect on the consolidated financial statements.

Also in June 1997, the FASB issued SFAS No. 131, “Disclosures about Segments of an Enterprise and
Related Information.” This Statement will change the way public companies report information about segments
of their business in annual financial statements and requires them to report selected segment information in
their quarterly reports issued to stockholders. It also requires entity-wide disclosures about the products and
services an entity provides, the material countries in which it holds assets and reports revenues, and its major
customers. The Statement is effective for the Company’s fiscal year 1999. The Company believes the adoption
of SFAS No. 131 will not have a material effect on the consolidated financial statements.

Reclassification

Certain prior year amounts have been reclassified to conform to current year consolidated financial state-
ment presentation.

(2) Inventories

Inventories are comprised of the following (in thousands):

Raw materials
Work-in-process
Finished goods

Less reserve for excess and obsolescence

October 31,

1996

$ 8,585
3,629
2,951
_______________________________
15,165
(1,937)
_______________________________
$13,228
_______________________________
_______________________________

1997

$27,716
5,679
15,180
_______________________________
48,575
(7,466)
_______________________________
$41,109
_______________________________
_______________________________

The following is a table depicting the activity in the Company’s reserve for excess and obsolescence 

(in thousands):

Beginning balance
Provision charged to operations
Amounts written off to reserve
Ending balance

October 31,

1996

$ —
1,937
—
__________________________
$1,937
__________________________
__________________________

1997

$ 1,937
7,585
(2,056)
_____________________________
$ 7,466
_____________________________
_____________________________

(3) Equipment, Furniture and Fixtures

Equipment, furniture and fixtures are comprised of the following (in thousands):

Equipment, furniture and fixtures
Leasehold improvements

Accumulated depreciation and amortization
Construction-in-progress

October 31,

1996

$11,647
1,141
________________________________
12,788
(1,388)
463
________________________________
$11,863
________________________________
________________________________

1997

$ 64,502
13,953
__________________________________
78,455
(11,543)
500
__________________________________
$ 67,412
__________________________________
__________________________________

32

CIENA CORPORATION

(4) Accrued Liabilities

Accrued liabilities are comprised of the following (in thousands):

Warranty and other contractual obligations
Accrued compensation
Legal and related costs
Consulting and outside services
Unbilled construction-in-process and 

leasehold improvements

Other

October 31,

1996

$1,584
2,314
300
—

50
994
__________________________
$5,242
__________________________
__________________________

1997

$12,205
7,725
4,577
3,219

1,427
2,310
_______________________________
$31,463
_______________________________
_______________________________

(5) Line of Credit

In November 1996, the Company entered into an unsecured line of credit agreement with a bank, which pro-
vided for borrowings of up to $15,000,000. The Company had no borrowings against the line of credit during
fiscal 1997. In November 1997, the line of credit agreement expired.

(6) Stockholders’ Equity

Changes in and Conversion of Mandatorily Redeemable Convertible Preferred Stock

As a result of the February 1997 initial public offering, all shares of Convertible Preferred Stock converted into
73,315,740 shares of Common Stock and warrants to purchase 300,000 shares of Convertible Preferred Stock
were exercised for $600,000 and converted into 1,500,000 shares of Common Stock.

Public Offerings

In February 1997, the Company successfully completed its initial public offering of Common Stock. The Company
sold 5,750,000 shares, inclusive of 750,000 shares from the exercise of the underwriters over-allotment option,
at a price of $23 per share. Net proceeds from the offering were approximately $121,800,000 with an additional
$600,000 received from the exercise of 300,000 shares of outstanding Convertible Preferred Stock warrants.

In July 1997 the Company completed a public offering of 10,477,216 shares of Common Stock of which
1,252,060 shares were sold by the Company inclusive of 252,060 shares from the exercise of the underwriters
over-allotment option, at a price of $44 per share. Net proceeds to the Company from the public offering were
approximately $52,200,000.

Stock Incentive Plans

The Company has an Amended and Restated 1994 Stock Option Plan (the “1994 Plan”). Under the 1994
Plan, 20,050,000 shares of the Company’s authorized but unissued Common Stock are reserved for options
issuable to employees. These options are immediately exercisable upon grant, and both the options and the
shares issuable upon exercise of the options generally vest to the employee over a four year period. The Com-
pany has the right to repurchase any exercised and non-vested shares at the original purchase price from the
employees upon termination of employment. In June 1996 the Company approved the 1996 Outside Directors
Stock Option Plan (the “1996 Plan”). Under the 1996 Plan, 750,000 shares of the Company’s authorized but
unissued Common Stock are reserved for options issuable to outside members of the Company’s Board of Direc-
tors. These options vest to the director over periods from one to three years, depending on the type of option
granted, and are exercisable once vested. Under the 1994 Plan and the 1996 Plan, options may be incentive
stock options or non-statutory options, and the exercise price for each option shall be established by the Board
of Directors provided, however, that the exercise price per share shall not be not less than the fair market value
for incentive stock options and not less than 85% of fair market value for non-statutory stock options.

33

CIENA CORPORATION

Following is a summary of the Company’s stock option activity:

Shares
(in thousands)

Weighted Average
Exercise Price

Balance at October 31, 1994

Granted
Exercised
Canceled

Balance at October 31, 1995

Granted
Exercised
Canceled

Balance at October 31, 1996

Granted
Exercised
Canceled

Balance at October 31, 1997

3,560
3,856
(44)
(431)
_________________________
6,941
5,901
(579)
(1,180)
_________________________
11,083
1,737
(3,612)
(98)
_________________________
9,110
_________________________
_________________________

$ 0.02
0.03
0.02
0.02
0.03
1.85
0.14
0.18
0.97
32.81
0.27
0.52
$ 7.33

At October 31, 1997 approximately 156,000 shares of Common Stock subject to repurchase by the
Company had been issued upon the exercise of options and approximately 1.7 million of the total outstanding
options were vested and not subject to repurchase by the Company upon exercise.

The following table summarizes information with respect to stock options outstanding at October 31, 1997:

Options Outstanding

Number

Weighted
Average Weighted
Outstanding Remaining
Average
at Oct. 31, Contractual Exercise

1997

Life (Years)

Price

2,586,000
810,000
983,000
2,839,000
935,000
957,000
_______________________________________
9,110,000
_______________________________________
_______________________________________

7.14
8.22
8.53
8.66
9.07
9.71
8.33

$ 0.03
$ 0.26
$ 1.18
$ 2.52
$15.52
$45.61
$ 7.33

Options Not Subject to
Repurchase Upon Exercise

Number
at Oct. 31,
1997

1,203,000
165,000
152,000
89,000
47,000
—
______________________________________
1,656,000
______________________________________
______________________________________

Weighted
Average
Exercise
Price

$0.03
$0.28
$1.21
$3.12
$9.17
$0.00
$0.58

Range of
Exercise
Price

$ 0.02–$ 0.03
$ 0.06–$ 0.40
$ 0.52–$ 1.66
$ 2.34–$ 4.34
$ 4.44–$18.00
$23.88–$58.88

Pro Forma Stock-Based Compensation

The Company has elected to continue to follow the provisions of APB No. 25 for financial reporting purposes and
has adopted the disclosure-only provisions of SFAS No. 123. Accordingly, no compensation cost has been recog-
nized for the Company’s stock option plans. Had compensation cost for the Company’s stock option plans been
determined based on the fair value at the grant date for awards in fiscal years 1996 and 1997 consistent with the
provisions of SFAS No. 123, the Company’s net income and net income per share for fiscal years 1996 and 1997
would have been decreased to the pro forma amounts indicated below (in thousands, except per share amounts):

Net income applicable to common stockholders—as reported
Net income applicable to common stockholders—pro forma
Net income per share—as reported
Net income per share—pro forma

Fiscal Years

1996

1997

$14,718
_______________________________
_______________________________
$14,225
_______________________________
_______________________________
$ 0.15
_______________________________
_______________________________
$
0.14
_______________________________
_______________________________

$112,945
_____________________________________
_____________________________________
$107,382
_____________________________________
_____________________________________
1.09
$
_____________________________________
_____________________________________
$
1.03
_____________________________________
_____________________________________

34

loss for future years.

The above pro forma disclosures are not necessarily representative of the effects on reported net income or

CIENA CORPORATION

The aggregate fair value and weighted average fair value of each option granted in fiscal years 1996 and
1997 were approximately $6.7 million and $33.6 million, and $1.14 and $19.33, respectively. The fair value
of each option grant is estimated on the date of grant using the Black-Scholes Option Pricing Model with the
following weighted average assumptions for fiscal years 1996 and 1997:

Expected volatility
Risk-free interest rate
Expected life
Expected dividend yield

(7) Income Taxes

1996

60%
6.1%
3 yrs.
—%

1997

60%
5.8%
3 yrs.
—%

Income before income taxes and the provision for income taxes consists of the following (in thousands):

Income before income taxes
Provision for income taxes:
Current:
Federal
State

Total current

Deferred:
Federal
State

Total deferred

Provision for income taxes

October 31,

1996

1997

$16,968
_______________________________
_______________________________

$183,958
_____________________________________
_____________________________________

$ 3,452
632
_______________________________
4,084
_______________________________

(1,690)
(144)
_______________________________
(1,834)
_______________________________
$ 2,250
_______________________________
_______________________________

$ 66,154
7,238
_____________________________________
73,392
_____________________________________

(1,882)
(497)
_____________________________________
(2,379)
_____________________________________
$ 71,013
_____________________________________
_____________________________________

In fiscal 1995, the tax provision was comprised primarily of a tax benefit of approximately $3.1 million

which was offset by a valuation allowance of the same amount.

In fiscal 1995, the tax provision differed from the expected tax benefit, computed by applying the U.S.
federal statutory rate of 35% to the loss before income taxes, principally due to the effect of increases in the
valuation allowance. In fiscal 1997 and 1996, the tax provision reconciles to the amount computed by multi-
plying income before income taxes by the U.S. federal statutory rate of 35% as follows:

Provision at statutory rate
Reversal of valuation allowance
State taxes, net of federal benefit
Other

October 31,

1996

35.0%
(24.3)
2.9
(0.3)
___________________
13.3%
___________________
___________________

1997

35.0%
—
2.6
1.0
__________________
38.6%
__________________
__________________

The significant components of deferred tax assets and liabilities were as follows (in thousands):

Deferred tax assets:

Reserves and accrued liabilities
Depreciation and other
Deferred tax assets
Deferred tax liabilities:

Equipment leases
Services
Depreciation and other

Deferred tax liabilities

October 31,

1996

1997

$1,452
382
___________________________
$1,834
___________________________
___________________________

$ —
—
—
___________________________
$ —
___________________________
___________________________

$ 9,006
—
________________________________
$ 9,006
________________________________
________________________________

$ 3,985
19,389
4,793
________________________________
$28,167
________________________________
________________________________

35

CIENA CORPORATION

The income tax provisions do not reflect the tax savings resulting from deductions associated with the Com-
pany’s stock option plans or the exercise of certain stock warrants. Tax benefits of approximately $29.7 million
and $23.4 million from exercises of stock options and certain stock warrants, respectively, were credited directly
to additional paid-in-capital and to long-term deferred income taxes for fiscal 1997, respectively.

(8) Employee Benefit Plans

In January 1995, the Company adopted a 401(k) defined contribution profit sharing plan. The plan covers all
full-time employees who are at least 21 years of age, have completed three months of service and are not covered
by a collective bargaining agreement where retirement benefits are subject to good faith bargaining. Participants
may contribute up to 15% of pre-tax compensation, subject to certain limitations. The Company may make
discretionary annual profit sharing contributions of up to the lesser of $30,000 or 25% of each participant’s
compensation. In fiscal 1997 the Company revised the plan to include an employer matching contribution
equal to 100% of the first 3% of participating employee contributions, with a five year vesting plan applicable
to the Company’s contribution. The Company has made no profit sharing contributions to date. During fiscal
1997 the Company made matching contributions of approximately $300,000.

(9) Commitments and Contingencies

Operating Lease Commitments

The Company has certain minimum obligations under noncancelable operating leases expiring on various dates
through 2006 for equipment and facilities. Future annual minimum rental commitments under noncancelable
operating leases at October 31, 1997 are as follows (in thousands):

Fiscal year ending October 31,

1998
1999
2000
2001
2002
Thereafter

$ 4,429
4,900
4,805
4,627
4,003
13,015
______________________________
$35,779
______________________________
______________________________

Rental expense for fiscal 1995, 1996 and 1997 was approximately $111,000, $602,000 and

$2,511,000, respectively.

Litigation

Pirelli Litigation. On December 20, 1996, a U.S. affiliate of Pirelli SpA (“Pirelli”) filed suit in U.S. District Court in
Delaware, alleging willful infringement by the Company of five U.S. patents held by Pirelli. The lawsuit seeks treble
damages, attorneys’ fees and costs, as well as preliminary and permanent injunctive relief against the alleged
infringement. On February 10, 1997, the Company filed its answer denying infringement, alleging inequitable con-
duct on the part of Pirelli in the prosecution of certain of its patents, and stating a counterclaim against the relevant
Pirelli parties for a declaratory judgment finding the Pirelli patents invalid and/or not infringed. Two of the five
patents in suit have since been removed from the litigation. Discovery proceedings are ongoing, and are currently
expected to be completed by January 31, 1998, with trial expected no earlier than mid 1998.

On March 14, 1997, the Company filed suit against Pirelli in U.S. District Court in the Eastern District of
Virginia, alleging willful infringement by Pirelli of three U.S. patents held or co-owned by the Company, one of

36

CIENA CORPORATION

which was withdrawn in September 1997. The lawsuit seeks treble damages, attorneys’ fees and costs, as well as
permanent injunctive relief against the alleged infringement. The patents relate to certain of Pirelli’s cable television
equipment and fiberoptic communications equipment. Motions for summary judgment by both parties are currently
pending on the issue of infringement as it relates to the cable television patent, and Pirelli has also filed a motion for
summary judgment of invalidity on this patent. As to the second of the two patents, on December 5, 1997, the court
issued an order granting partial summary judgment for Pirelli on the issue of non-infringement, and denying Pirelli’s
motion for summary judgment of invalidity of this patent. Trial is currently scheduled for January 1998.

In February 1997, the Company filed a complaint against Pirelli with the International Trade Commission
(“ITC”), based on the Company’s belief that a 32 channel DWDM system announced by Pirelli infringed at least
two of the Company’s patents. The Company’s complaint sought a ban on the importation of this product into the
U.S. A formal investigative proceeding was instituted by the ITC on April 3, 1997. On November 24, 1997, the parties
settled the matter by entry of a Consent Order. Under the Consent Order, Pirelli has agreed not to import into the
United States WDM systems which infringe upon the Company’s patented in fiber Bragg gratings-based WDM systems.
The Company has accrued $7.5 million for legal fees associated with their involvement in the above litigation;
$4.3 million of that accrual is remaining at October 31, 1997, which the Company considers sufficient to account
for all anticipated legal fees. The Company continues to believe its MultiWave systems do not infringe any valid
claim of the three remaining Pirelli patents and believes certain Pirelli patents and/or claims are invalid. The
Company is defending itself vigorously and is planning on all remaining litigation proceeding through trial.

However, there can be no assurance that the Company will be successful in the Pirelli litigation, and an adverse
determination in the Delaware court could result from a finding of infringement of only one claim of a single patent.
The Company may consider settlement due to the costs and uncertainties associated with litigation in general and
patent infringement litigation in particular and due to the fact that an adverse determination in the litigation could
preclude the Company from producing the MultiWave 1600 system until it were able to implement a non-infringing
alternative design to any portion of the system to which such determination applied. There can be no assurance
that any settlement will be reached by the parties. An adverse determination in, or settlement of, the Pirelli litiga-
tion could involve the payment of significant amounts, or could include terms in addition to such payments, which
could have a material adverse effect on the Company’s business, financial condition and results of operations.
Kimberlin Litigation. On November 20, 1996, a stockholder and entities controlled by that stockholder (the
“plaintiffs”) who provided initial equity capital during the formation of the Company and participated in the
Series C Preferred Stock financing, filed suit in U. S. District Court for the Southern District of New York against the
Company and certain directors of the Company (the “defendants”), alleging that the plaintiffs were entitled to pur-
chase additional shares of Series C Preferred Stock at the time of the closing of the Series C Preferred Stock financ-
ing, but were denied that opportunity by the defendants. The lawsuit claims breach of contract, breach of fiduciary
duty and violation of Securities Commission Rule 10b-5 by the defendant. On January 6, 1997, the Company filed
its answer to the plaintiffs’ complaint, and filed a counterclaim. The plaintiffs amended their complaint in May
1997 alleging a violation of federal insider trading laws. There has not been a trial date set by the judge.

The Company believes that the Plaintiffs’ claims and amended claims are without merit and intends to
defend itself vigorously. The Company has moved for summary judgment on the entire matter, but there is no
assurance the judgment will be granted.

The Company has agreed to indemnify its customers for liability incurred in connection with the infringement

of a third-party’s intellectual property rights. Although the Company has not received notice from any customer
advising the Company of any alleged infringement of a third-party’s intellectual property rights, there can be no
assurance that such indemnification of alleged liability will not be required from the Company in the future.

37

CIENA CORPORATION

(10) Foreign Sales

The Company has sales and marketing operations located outside the United States in the United Kingdom,
Belgium and Japan. The Company has distributor or marketing representative arrangements covering Austria,
Germany, Italy and Switzerland in Europe, and the Republic of Korea and Japan in Asia. The Company also
has representative support in Brazil. Included in revenues are export sales of approximately $0 and $5.5 million
in fiscal years 1996 and 1997, respectively.

(11) Subsequent Events (unaudited)

Acquisitions

The Company has signed a letter of intent to enter into an Agreement and Plan of Merger with Astracom, Inc.
(“Astracom”), an early stage telecommunications company which was incorporated on November 20, 1996, and
is located in Atlanta, Georgia. The transaction is expected to be completed during the December 1997 period.
The purchase price is expected to be approximately $13.1 million and consists of the issuance of 169,754 shares
of CIENA common stock, the payment of $2.4 million in cash, and the assumption of certain stock options.
Based on preliminary estimates, the Company believes the purchase price represents approximately $11.4 million
in goodwill and other intangibles, and approximately $1.7 million in net assets assumed, and that the amorti-
zation period for the intangibles, based on management’s estimate of the useful life of the acquired technology,
is between five to seven years.

The operations of the acquired company are not material to the consolidated financial statements of the

Company, and accordingly, separate pro forma financial information has not been presented for fiscal year
1997 as if Astracom had been acquired as of November 20, 1996.

38

CIENA CORPORATION

Report  of  Independent  Accountants

To the Board of Directors and
Stockholders of CIENA Corporation

In our opinion, the accompanying consolidated balance sheets and the related consolidated statements of operations, of
cash flows and of changes in stockholders’ equity (deficit) present fairly, in all material respects, the financial position of
CIENA Corporation and subsidiaries at October 31, 1997 and 1996, and the results of their operations and their cash
flows for each of the three years in the period ended October 31, 1997, in conformity with generally accepted account-
ing principles. 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 generally accepted auditing standards which 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 the opinion expressed above.

Falls Church, VA
November 26, 1997

39

CIENA CORPORATION

Executive  Officers

Patrick H. Nettles, Ph.D.

President, Chief Executive Officer and Director

Steve W. Chaddick

Senior Vice President, 
Products and Technologies

Joseph R. Chinnici

Senior Vice President, 
Finance and Chief Financial Officer

Lawrence P. Huang

Senior Vice President, 
Sales and Marketing

Stephen B. Alexander

Vice President, 
Transport Products

Mark Cummings

Senior Vice President, 
Operations

G. Eric Georgatos, Esq.

Vice President, 
General Counsel and Secretary

Andrew C. Petrik

Vice President, 
Finance and Controller

Rebecca K. Seidman

Vice President, 
Human Resources

Outside  Board  Members

Jon W. Bayless, Ph.D.

Chairman of the Board of Directors,
General Partner,
Sevin Rosen Funds

Harvey B. Cash

General Partner, 
InterWest Partners 

Clifford W. Higgerson

General Partner, 
Vanguard Venture Partners

Billy B. Oliver

Communications Consultant

Michael J. Zak

General Partner,
The Charles River Partnerships

40

CIENA CORPORATION

Corporate  Information

Corporate Headquarters

CIENA Corporation
920 Elkridge Landing Rd.
Linthicum, MD 21090 U.S.A.
Telephone: (800) 921-1144 or (410) 865-8500
Website: http://www.CIENA.com

Annual Meeting

CIENA’s first annual shareholder meeting will be held at 3:00 p.m. on Wednesday, March 11 
at the Harbor Inn Pier 5, Baltimore, MD.

Independent Certified Public Accountants

Price Waterhouse LLP
Falls Church, VA

General Counsel

Hogan & Hartson
Baltimore, MD

Transfer Agent

First National Bank of Boston
c/o Boston Equiserve LP
Boston, MA

Common Stock Market Data

Since its Initial Public Offering on February 7, 1997, the Company’s Common Stock has traded on the
Nasdaq Stock Market under the symbol CIEN and appears in most daily newspaper stock tables as 
Ciena. As of January 12, 1998, there were approximately 561 stockholders of record and 99,982,487 
shares of Common Stock outstanding.

Investor Relations

For a copy of the Company’s Form 10-K or additional copies of this report or other financial information, contact:

Investor Relations
CIENA Corporation
920 Elkridge Landing Rd.
Linthicum, MD 21090
(888) 243-6223 or (410) 865-8500

Additional information is available on CIENA’s Internet website at http://www.CIENA.com

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