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8-K - 8-K - CIENA CORPa8-k2013q4earningsrelease2.htm

FOR IMMEDIATE RELEASE
Ciena Reports Fiscal Fourth Quarter 2013 and Year-End Financial Results

Delivers 6% adjusted operating margin and 14% revenue growth for the year

HANOVER, Md. - December 12, 2013 - Ciena® Corporation (NASDAQ: CIEN), the network specialist, today announced unaudited financial results for its fiscal fourth quarter and year ended October 31, 2013.

For the fiscal fourth quarter 2013, Ciena reported revenue of $583.4 million as compared to $465.5 million for the fiscal fourth quarter 2012. For fiscal year 2013, Ciena reported revenue of $2.1 billion, as compared to $1.8 billion for fiscal year 2012.

On the basis of generally accepted accounting principles (GAAP), Ciena's net loss for the fiscal fourth quarter 2013 was $(9.8) million, or $(0.09) per common share, which compares to a GAAP net loss of $(38.8) million, or $(0.39) per common share, for the fiscal fourth quarter 2012. For fiscal year 2013, Ciena had a GAAP net loss of $(85.4) million, or $(0.83) per common share, which compares to a GAAP net loss of $(144.0) million or $(1.45) per common share for fiscal year 2012.

Ciena's adjusted (non-GAAP) net income for the fiscal fourth quarter 2013 was $18.3 million, or $0.16 per diluted common share, which compares to an adjusted (non-GAAP) net loss of $(6.7) million, or $(0.07) per common share, for the fiscal fourth quarter 2012. For fiscal year 2013, Ciena's adjusted (non-GAAP) net income was $59.0 million, or $0.54 per diluted common share, as compared to an adjusted (non-GAAP) net loss of $(23.5) million, or $(0.24) per common share for fiscal year 2012.

“Fiscal 2013 was a strong year for Ciena, with industry-leading revenue growth, record backlog, increased market share, and a three-fold improvement in adjusted operating profit over last year,” said Gary Smith, president and CEO of Ciena. “This performance validates the strategic market differentiation we’ve established with our OPn architecture, our unique approach to customer engagement, and our continued technology innovation. These differentiators will help us continue to grow revenue and increase operating leverage in 2014.”

Fiscal Fourth Quarter 2013 Performance Summary
The tables below (in millions, except percentage data) provide comparisons of certain quarterly results to prior periods, including sequential quarterly and year over year changes. A reconciliation between the GAAP and adjusted (non-GAAP) measures contained in this release is included in Appendices A and B.




 
 
GAAP Results (unaudited)
 
 
Q4

Q3

Q4

Period Change
 
 
FY 2013

FY 2013

FY 2012
 
Q-T-Q*
 
Y-T-Y*
Revenue
 
$
583.4


$
538.4


$
465.5


8.4
 %

25.3
 %
Gross margin
 
39.7
 %
 
42.4
%
 
41.3
 %
 
(2.7
)%
 
(1.6
)%
Operating expense
 
$
232.1

 
$
213.4

 
$
214.1

 
8.8
 %
 
8.4
 %
Operating margin
 
(0.1
)%
 
2.8
%
 
(4.7
)%
 
(2.9
)%
 
4.6
 %
 
 
Non-GAAP Results (unaudited)
 
 
Q4
 
Q3
 
Q4
 
Period Change
 
 
FY 2013
 
FY 2013
 
FY 2012
 
Q-T-Q*
 
Y-T-Y*
Revenue
 
$
583.4

 
$
538.4

 
$
465.5

 
8.4
 %
 
25.3
 %
Adj. gross margin
 
40.8
%
 
43.6
%
 
42.7
%
 
(2.8
)%
 
(1.9
)%
Adj. operating expense
 
$
210.5

 
$
190.4

 
$
191.8

 
10.6
 %
 
9.7
 %
Adj. operating margin
 
4.7
%
 
8.2
%
 
1.4
%
 
(3.5
)%
 
3.3
 %

 
 
Revenue by Segment (unaudited)
 
 
Q4 FY 2013
 
Q3 FY 2013
 
Q4 FY 2012
 
 
Revenue
 
%
 
Revenue
 
%
 
Revenue
 
%
Converged Packet Optical
 
$
350.9

 
60.2
 
$
302.0

 
56.1
 
$
238.1

 
51.1
Packet Networking
 
61.2

 
10.5
 
61.6

 
11.4
 
47.3

 
10.2
Optical Transport
 
52.6

 
9.0
 
66.2

 
12.3
 
71.8

 
15.4
Software and Services
 
118.7

 
20.3
 
108.6

 
20.2
 
108.3

 
23.3
Total
 
$
583.4

 
100.0
 
$
538.4

 
100.0
 
$
465.5

 
100.0

* Denotes % change, or in the case of margin, absolute change
 
 
 
 
 
 


Additional Performance Metrics for Fiscal Fourth Quarter 2013
Non-U.S. customers contributed 44.1% of total revenue
One 10%-plus customer represented a total of 16.5% of revenue
Cash and investments totaled $486.5 million
Cash flow from operations totaled $3.6 million
Average days' sales outstanding (DSOs) were 75
Accounts receivable balance was $488.6 million
Inventories totaled $249.1 million, including:
Raw materials: $53.3 million
Work in process: $7.8 million
Finished goods: $153.8 million
Deferred cost of sales: $75.8 million
Reserve for excess and obsolescence: $(41.6) million
Product inventory turns were 4.6
Headcount totaled 4,754

Business Outlook for Fiscal First Quarter 2014
Statements relating to business outlook are forward-looking in nature and actual results may differ materially. These statements should be read in the context of the Notes to Investors below.





Ciena expects financial performance for fiscal first quarter 2014, a quarter in which we typically experience seasonal reductions in order volume and customer deployment activity, to include:
Revenue in the range of $515 to $545 million
Adjusted (non-GAAP) gross margin percentage in the low 40s range
Adjusted (non-GAAP) operating expense of approximately $205 million

Live Web Broadcast of Unaudited Fiscal Fourth Quarter 2013 Results
Ciena will host a discussion of its unaudited fiscal fourth quarter 2013 and year-end results with investors and financial analysts today, Thursday, December 12, 2013 at 8:30 a.m. (Eastern). The live broadcast of the discussion will be available via Ciena's homepage at http://www.ciena.com/. An archived version of the discussion will be available shortly following the conclusion of the live broadcast on the Investor Relations page of Ciena's website at: www.ciena.com/investors.


About Ciena
Ciena is the network specialist. We collaborate with customers worldwide to unlock the strategic potential of their networks and fundamentally change the way they perform and compete. Ciena leverages its deep expertise in packet and optical networking and distributed software automation to deliver solutions in alignment with OPn, its approach for building open next-generation networks. We enable a high-scale, programmable infrastructure that can be controlled and adapted by network-level applications, and provide open interfaces to coordinate computing, storage and network resources in a unified, virtualized environment. For updates on Ciena news, follow us on Twitter @Ciena or on LinkedIn http://www.linkedin.com/company/ciena. Investors are encouraged to review the Investors section of our website at www.ciena.com/investors, where we routinely post press releases, SEC filings, recent news, financial results, and other announcements. From time to time we exclusively post material information to this website along with other disclosure channels that we use.

Notes to Investors

Forward-looking statements. This press release contains certain forward-looking statements that involve risks and uncertainties. These statements are based on current expectations, forecasts, assumptions and other information available to the Company as of the date hereof. Forward-looking statements include statements regarding Ciena's expectations, beliefs, intentions or strategies regarding the future and can be identified by forward-looking words such as "anticipate," "believe," "could," "estimate," "expect," "intend," "may," "should," "will," and "would" or similar words. Forward-looking statements in this release include: “Fiscal 2013 was a strong year for Ciena, with industry-leading revenue growth, record backlog, increased market share, and a three-fold improvement in adjusted operating profit over last year”; "This performance validates the strategic market differentiation we’ve established with our OPn architecture, our unique approach to customer engagement, and our continued technology innovation"; "These differentiators will help us continue to grow revenue and increase operating leverage in 2014”;
"Ciena expects financial performance for fiscal first quarter 2014, a quarter in which we typically experience seasonal reductions in order volume and customer deployment activity, to include revenue in the range of $515 to $545 million, adjusted (non-GAAP) gross margin percentage in the low 40s range, adjusted (non-GAAP) operating expense of approximately $205 million."

Ciena's actual results, performance or events may differ materially from these forward-looking statements made or implied due a number of risks and uncertainties relating to Ciena's business, including: the effect of broader economic and market conditions on our customers and their business; changes in network spending or network strategy by large communication service providers; seasonality and the timing and size of customer orders,




including our ability to recognize revenue relating to such sales; the level of competitive pressure we encounter; the product, customer and geographic mix of sales within the period; supply chain disruptions and the level of success relating to efforts to optimize Ciena's operations; changes in foreign currency exchange rates affecting revenue and operating expense; and the other risk factors disclosed in Ciena's Report on Form 10-Q filed with the Securities and Exchange Commission on September 11, 2013. Ciena assumes no obligation to update any forward-looking information included in this press release.

Non-GAAP Presentation of Quarterly Results. This release includes non-GAAP measures of Ciena's gross profit, operating expense, income (loss) from operations, net income (loss) and net income (loss) per share. In evaluating the operating performance of Ciena's business, management excludes certain charges and credits that are required by GAAP. These items share one or more of the following characteristics: they are unusual and Ciena does not expect them to recur in the ordinary course of its business; they do not involve the expenditure of cash; they are unrelated to the ongoing operation of the business in the ordinary course; or their magnitude and timing is largely outside of Ciena's control. Management believes that the non-GAAP measures below provide management and investors useful information and meaningful insight to the operating performance of the business. The presentation of these non-GAAP financial measures should be considered in addition to Ciena's GAAP results and these measures are not intended to be a substitute for the financial information prepared and presented in accordance with GAAP. Ciena's non-GAAP measures and the related adjustments may differ from non-GAAP measures used by other companies and should only be used to evaluate Ciena's results of operations in conjunction with our corresponding GAAP results. To the extent not previously disclosed in a prior Ciena financial results press release, Appendixes A and B to this press release sets forth a complete GAAP to non-GAAP reconciliation of the non-GAAP measures contained in this release.






CIENA CORPORATION
CONDENSED UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS
(in thousands, except per share data)

 
 
Quarter Ended October 31,
 
Year Ended October 31,
 
 
2012
 
2013
 
2012
 
2013
Revenue:
 
 
 
 
 
 
 
 
Products
 
$
363,174

 
$
476,409

 
$
1,454,991

 
$
1,680,125

Services
 
102,357

 
106,976

 
378,932

 
402,421

Total revenue
 
465,531

 
583,385

 
1,833,923

 
2,082,546

Cost of goods sold:
 
 
 
 
 
 
 
 
Products
 
211,443

 
283,780

 
868,805

 
967,510

Services
 
61,882

 
67,959

 
240,894

 
249,861

Total cost of goods sold
 
273,325

 
351,739

 
1,109,699

 
1,217,371

Gross profit
 
192,206

 
231,646

 
724,224

 
865,175

Operating expenses:
 
 
 
 
 
 
 
 
Research and development
 
95,801

 
100,427

 
364,179

 
383,408

Selling and marketing
 
74,013

 
87,494

 
266,338

 
304,170

General and administrative
 
29,792

 
31,275

 
114,002

 
122,432

Amortization of intangible assets
 
12,545

 
12,439

 
51,697

 
49,771

Restructuring costs
 
1,990

 
428

 
7,854

 
7,169

Total operating expenses
 
214,141

 
232,063

 
804,070

 
866,950

Loss from operations
 
(21,935
)
 
(417
)
 
(79,846
)
 
(1,775
)
Interest and other income (loss), net
 
(3,468
)
 
276

 
(15,200
)
 
(5,744
)
Interest expense
 
(10,840
)
 
(10,946
)
 
(39,653
)
 
(44,042
)
Loss on extinguishment of debt
 

 

 

 
(28,630
)
Loss before income taxes
 
(36,243
)
 
(11,087
)
 
(134,699
)
 
(80,191
)
Provision (benefit) for income taxes
 
2,528

 
(1,290
)
 
9,322

 
5,240

Net loss
 
$
(38,771
)
 
$
(9,797
)
 
$
(144,021
)
 
$
(85,431
)
Basic net loss per common share
 
$
(0.39
)
 
$
(0.09
)
 
$
(1.45
)
 
$
(0.83
)
Diluted net loss per potential common share
 
$
(0.39
)
 
$
(0.09
)
 
$
(1.45
)
 
$
(0.83
)
Weighted average basic common shares outstanding
 
100,506

 
103,523

 
99,341

 
102,350

Weighted average dilutive potential common shares outstanding
 
100,506

 
103,523

 
99,341

 
102,350











CIENA CORPORATION
CONDENSED UNAUDITED CONSOLIDATED BALANCE SHEETS
(in thousands, except share data)

 
October 31,
 
2012
 
2013
ASSETS
 
 
 
Current assets:
 
 
 
Cash and cash equivalents
$
642,444

 
$
346,487

 Short-term investments
50,057

 
124,979

Accounts receivable, net
345,496

 
488,578

Inventories
260,098

 
249,103

Prepaid expenses and other
117,595

 
186,655

Total current assets
1,415,690

 
1,395,802

Long-term investments

 
15,031

Equipment, furniture and fixtures, net
123,580

 
119,729

Other intangible assets, net
257,137

 
185,828

Other long-term assets
84,736

 
86,380

Total assets
$
1,881,143

 
$
1,802,770

LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)
 
 
 
Current liabilities:
 
 
 
Accounts payable
$
179,704

 
$
254,849

Accrued liabilities
209,540

 
271,656

Deferred revenue
79,516

 
88,550

Convertible notes payable
216,210

 

Total current liabilities
684,970

 
615,055

Long-term deferred revenue
27,560

 
23,620

Other long-term obligations
31,779

 
34,753

Long-term convertible notes payable
1,225,806

 
1,212,019

Total liabilities
1,970,115

 
1,885,447

Commitments and contingencies
 
 
 
Stockholders’ equity (deficit):
 
 
 
Preferred stock — par value $0.01; 20,000,000 shares authorized; zero shares issued and outstanding

 

Common stock — par value $0.01; 290,000,000 shares authorized; 100,601,792 and 103,705,709 shares issued and outstanding
1,006

 
1,037

Additional paid-in capital
5,797,765

 
5,893,880

Accumulated other comprehensive loss
(3,354
)
 
(7,774
)
Accumulated deficit
(5,884,389
)
 
(5,969,820
)
Total stockholders’ equity (deficit)
(88,972
)
 
(82,677
)
Total liabilities and stockholders’ equity (deficit)
$
1,881,143

 
$
1,802,770









CIENA CORPORATION
CONDENSED UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
 
Year Ended October 31,
 
2012
 
2013
Cash flows from operating activities:
 
 
 
Net loss
$
(144,021
)
 
$
(85,431
)
Adjustments to reconcile net loss to net cash provided by operating activities:
 
 
 
Loss on extinguishment of debt

 
28,630

Depreciation of equipment, furniture and fixtures, and amortization of leasehold improvements
59,099

 
55,699

Share-based compensation costs
32,394

 
37,720

Amortization of intangible assets
74,497

 
71,308

Provision for inventory excess and obsolescence
23,438

 
19,938

Provision for warranty
33,418

 
24,558

Other
13,722

 
9,023

Changes in assets and liabilities:
 
 
 
Accounts receivable
70,366

 
(145,421
)
Inventories
(53,460
)
 
(8,943
)
Prepaid expenses and other
1,748

 
(82,809
)
Accounts payable, accruals and other obligations
12,610

 
115,312

Deferred revenue
(16,722
)
 
5,094

Net cash provided by operating activities
107,089

 
44,678

Cash flows used in investing activities:
 
 
 
Payments for equipment, furniture, fixtures and intellectual property
(48,098
)
 
(43,814
)
Restricted cash
35,597

 
2,338

Purchase of available for sale securities

 
(184,864
)
Proceeds from maturities of available for sale securities

 
95,479

Proceeds from sale of cost method investment
524

 

Net cash used in investing activities
(11,977
)
 
(130,861
)
Cash flows from financing activities:
 
 
 
Payment of long term debt

 
(216,210
)
Payment of capital lease obligations
(1,895
)
 
(3,335
)
Payment of debt and equity issuance costs
(2,332
)
 
(3,692
)
Proceeds from issuance of common stock
12,167

 
15,898

Net cash provided by (used in) financing activities
7,940

 
(207,339
)
Effect of exchange rate changes on cash and cash equivalents
(2,504
)
 
(2,435
)
Net increase (decrease) in cash and cash equivalents
100,548

 
(295,957
)
Cash and cash equivalents at beginning of period
541,896

 
642,444

Cash and cash equivalents at end of period
$
642,444

 
$
346,487

Supplemental disclosure of cash flow information
 
 
 
Cash paid during the period for interest
$
33,511

 
$
32,397

Cash paid during the period for income taxes, net
$
9,603

 
$
10,679

Non-cash investing and financing activities
 
 
 
Purchase of equipment in accounts payable
$
5,202

 
$
6,191

Debt issuance costs in accrued liabilities
$
319

 
$

Fixed assets purchased under capital leases
$
6,736

 
$
2,538








APPENDIX A - Reconciliation of Adjusted (Non- GAAP) Quarterly Measurements (unaudited)
 
 
 
 
 
 
 
Quarter Ended
 
 
October 31,
 
 
2012
 
2013
Gross Profit Reconciliation (GAAP/non-GAAP)
 
 
 
 
GAAP gross profit
 
$
192,206

 
$
231,646

Share-based compensation-products
 
647

 
617

Share-based compensation-services
 
326

 
448

Amortization of intangible assets
 
5,384

 
5,384

Total adjustments related to gross profit
 
6,357

 
6,449

Adjusted (non-GAAP) gross profit
 
$
198,563

 
$
238,095

Adjusted (non-GAAP) gross profit percentage
 
42.7
%
 
40.8
%
 
 
 
 
 
Operating Expense Reconciliation (GAAP/non-GAAP)
 
 
 
 
GAAP operating expense
 
$
214,141

 
$
232,063

Share-based compensation-research and development
 
2,500

 
1,923

Share-based compensation-sales and marketing
 
3,048

 
3,603

Share-based compensation-general and administrative
 
2,205

 
3,157

Acquisition and integration costs
 
20

 

Amortization of intangible assets
 
12,545

 
12,439

Restructuring costs
 
1,990

 
428

Total adjustments related to operating expense
 
22,308

 
21,550

Adjusted (non-GAAP) operating expense
 
$
191,833

 
$
210,513

 
 
 
 
 
Income (Loss) from Operations Reconciliation (GAAP/non-GAAP)
 
 
 
 
GAAP loss from operations
 
$
(21,935
)
 
$
(417
)
Total adjustments related to gross profit
 
6,357

 
6,449

Total adjustments related to operating expense
 
22,308

 
21,550

Adjusted (non-GAAP) income from operations
 
$
6,730

 
27,582

Adjusted (non-GAAP) operating margin percentage
 
1.4
%
 
4.7
%
 
 
 
 
 
Net Income (Loss) Reconciliation (GAAP/non-GAAP)
 
 
 
 
GAAP net loss
 
$
(38,771
)
 
$
(9,797
)
Total adjustments related to gross profit
 
6,357

 
6,449

Total adjustments related to operating expense
 
22,308

 
21,550

Non-cash interest expense
 

 
284

Change in fair value of embedded redemption feature
 
3,440

 
(230
)
Adjusted (non-GAAP) net income (loss)
 
$
(6,666
)
 
$
18,256

 
 
 
 
 
Weighted average basic common shares outstanding
 
100,506

 
103,523

Weighted average dilutive potential common shares outstanding1
 
100,506

 
119,401

 
 
 
 
 
Net Income (Loss) per Common Share
 
 
 
 
GAAP diluted net loss per common share
 
$
(0.39
)
 
$
(0.09
)
Adjusted (non-GAAP) diluted net income (loss) per common share2
 
$
(0.07
)
 
$
0.16





APPENDIX B - Reconciliation of Adjusted (Non- GAAP) Annual Measurements (unaudited)
 
 
 
 
 
 
 
Year Ended
 
 
October 31,
 
 
2012
 
2013
Gross Profit Reconciliation (GAAP/non-GAAP)
 
 
 
 
GAAP gross profit
 
$
724,224

 
$
865,175

Share-based compensation-products
 
2,156

 
2,522

Share-based compensation-services
 
1,462

 
1,771

Amortization of intangible assets
 
22,032

 
21,537

Total adjustments related to gross profit
 
25,650

 
25,830

Adjusted (non-GAAP) gross profit
 
$
749,874

 
$
891,005

Adjusted (non-GAAP) gross profit percentage
 
40.9
%
 
42.8
%
 
 
 
 
 
Operating Expense Reconciliation (GAAP/non-GAAP)
 
 
 
 
GAAP operating expense
 
$
804,070

 
$
866,950

Share-based compensation-research and development
 
8,567

 
8,214

Share-based compensation-sales and marketing
 
11,558

 
13,290

Share-based compensation-general and administrative
 
8,691

 
12,055

Acquisition and integration costs
 
(120
)
 

Amortization of intangible assets
 
51,697

 
49,771

Restructuring costs
 
7,854

 
7,169

Settlement of patent litigation
 

 
1,500

Total adjustments related to operating expense
 
88,247

 
91,999

Adjusted (non-GAAP) operating expense
 
$
715,823

 
$
774,951

 
 
 
 
 
Loss from Operations Reconciliation (GAAP/non-GAAP)
 
 
 
 
GAAP loss from operations
 
$
(79,846
)
 
$
(1,775
)
Total adjustments related to gross profit
 
25,650

 
25,830

Total adjustments related to operating expense
 
88,247

 
91,999

Adjusted (non-GAAP) income from operations
 
$
34,051

 
116,054

Adjusted (non-GAAP) operating margin percentage
 
1.9
%
 
5.6
%
 
 
 
 
 
Loss Reconciliation (GAAP/non-GAAP)
 
 
 
 
GAAP net loss
 
$
(144,021
)
 
$
(85,431
)
Total adjustments related to gross profit
 
25,650

 
25,830

Total adjustments related to operating expense
 
88,247

 
91,999

Loss on extinguishment of debt
 

 
28,630

Non-cash interest expense
 

 
898

Change in fair value of embedded redemption feature
 
6,600

 
(2,950
)
Adjusted (non-GAAP) net income (loss)
 
$
(23,524
)
 
$
58,976

 
 
 
 
 
Weighted average basic common shares outstanding
 
99,341

 
102,350

Weighted average dilutive potential common shares outstanding3
 
99,341

 
120,263

 
 
 
 
 
Net Loss per Common Share
 
 
 
 
GAAP diluted net loss per common share
 
$
(1.45
)
 
$
(0.83
)
Adjusted (non-GAAP) diluted net income (loss) per common share4
 
$
(0.24
)
 
$
0.54


1. Weighted average dilutive potential common shares outstanding used in calculating Adjusted (non-GAAP) diluted net income per common share for the fourth quarter of fiscal 2013 includes 2.8 million shares underlying certain stock options and restricted stock units and 13.1 million shares underlying Ciena's 0.875% convertible senior notes, due June 15, 2017.





     
2. The calculation of Adjusted (non-GAAP) diluted net income per common share for the fourth quarter of fiscal 2013 requires adding back interest expense of approximately $1.4 million associated with Ciena's 0.875% convertible senior notes, due June 15, 2017 to the Adjusted (non-GAAP) net income in order to derive the numerator for the Adjusted earnings per common share calculation.

3. Weighted average dilutive potential common shares outstanding used in calculating Adjusted (non-GAAP) diluted net income per common share for fiscal 2013 includes 2.1 million shares underlying certain stock options and restricted stock units, 2.7 million shares underlying Ciena's 0.25% convertible senior notes due May 1, 2013 (which were paid at maturity during the second quarter of fiscal 2013) and 13.1 million shares underlying Ciena's 0.875% convertible senior notes, due June 15, 2017.
  
4. The calculation of Adjusted (non-GAAP) diluted net income per common share for fiscal 2013 requires adding back interest expense of approximately $0.7 million associated with Ciena's 0.25% convertible senior notes due May 1, 2013 (which were paid during the second quarter of fiscal 2013) and approximately $5.5 million associated with Ciena's 0.875% convertible senior notes, due June 15, 2017 to the Adjusted (non-GAAP) net income in order to derive the numerator for the Adjusted earnings per common share calculation.
     
* * *


The adjusted (non-GAAP) measures above and their reconciliation to Ciena's GAAP results for the periods presented reflect adjustments relating to the following items:
Share-based compensation expense - a non-cash expense incurred in accordance with share-based compensation accounting guidance.
Amortization of intangible assets - a non-cash expense arising from the acquisition of intangible assets, principally developed technologies and customer-related intangibles, that Ciena is required to amortize over its expected useful life.
Acquisition and integration costs - reflects transaction expense, and consulting and third party service fees associated with the acquisition of the Nortel MEN Business and the integration of this business into Ciena's operations.
Restructuring costs - costs incurred as a result of restructuring activities taken to align resources with perceived market opportunities.
Settlement of patent litigation - included in general and administrative expense during the third quarter of fiscal 2013 is a $1.5 million patent litigation settlement.
Loss on extinguishment of debt - a non-cash loss, recorded in connection with convertible note exchange transactions completed during the first quarter of fiscal 2013, reflecting the fair value of Ciena's 4.0% senior convertible notes due December 15, 2020, as compared to the retirement of a portion of Ciena's outstanding 4.0% senior convertible notes due March 15, 2015.
Non-cash interest expense - a non-cash debt discount expense amortized as interest expense during the term of Ciena's 4.0% senior convertible notes due December 15, 2020 relating to the required separate accounting of the equity component of these convertible notes.
Change in fair value of embedded redemption feature - a non-cash unrealized gain or loss reflective of a mark to market fair value adjustment of an embedded derivative related to the redemption feature of Ciena's outstanding 4.0% senior convertible notes due March 15, 2015.