8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): June 6, 2023

Ciena Corporation

(Exact name of registrant as specified in its charter)

Commission File Number: 001-36250

Delaware

(State or other jurisdiction of incorporation)

7035 Ridge Road, Hanover, MD

(Address of principal executive offices)

23-2725311

(IRS Employer Identification No.)

21076

(Zip Code)

Registrant's telephone number, including area code: (410) 694-5700

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common stock, $0.01 par value	CIEN	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02 – RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On June 6, 2023, Ciena Corporation ("Ciena") issued a press release announcing its financial results for its fiscal second quarter ended April 29, 2023. The text of the press release is furnished as Exhibit 99.1 to this Report. As discussed in this press release, Ciena will be hosting an investor call to discuss its results of operations for its fiscal second quarter ended April 29, 2023.

In conjunction with the issuance of this press release, Ciena posted to the quarterly results page of the Investors section of www.ciena.com an accompanying investor presentation. The investor presentation is furnished as Exhibit 99.2 to this Report.

The information in Exhibits 99.1 and 99.2, as well as Item 2.02 of this Report, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement pursuant to the Securities Act of 1933, as amended. Investors are encouraged to review the “Investors” page of our website at www.ciena.com because, as with the other disclosure channels that we use, from time to time we may post material information exclusively on that site.

ITEM 9.01 – FINANCIAL STATEMENTS AND EXHIBITS

Exhibit Number	Description of Document
Exhibit 99.1	Text of Press Release dated June 6, 2023, issued by Ciena Corporation, reporting its results of operations for its second first quarter ended April 29, 2023.
Exhibit 99.2	Investor Presentation for Ciena Corporation's fiscal second quarter ended April 29, 2023.
Exhibit 104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	Ciena Corporation
Date: June 6, 2023	By:	/s/ Sheela Kosaraju
		Sheela Kosaraju
		Senior Vice President, General Counsel and Assistant Secretary

EX-99.1

FOR IMMEDIATE RELEASE

Ciena Reports Fiscal Second Quarter 2023 Financial Results

HANOVER, Md. - June 6, 2023 - Ciena® Corporation (NYSE: CIEN), a networking systems, services and software company, today announced unaudited financial results for its fiscal second quarter ended April 29, 2023.

•Q2 Revenue: $1.13 billion

•Q2 Net Income per Share: $0.38 GAAP; $0.74 adjusted (non-GAAP)

"We delivered outstanding results for the fiscal second quarter as we were able to ship more to customers with continued improvements in supply chain dynamics," said Gary Smith, president and CEO of Ciena. "We are confident in our ability to take market share given our backlog and strategic industry position with market-leading technologies and an expanding addressable market."

For fiscal second quarter 2023, Ciena reported revenue of $1.13 billion as compared to $949.2 million for the fiscal second quarter 2022.

Ciena's GAAP net income for the fiscal second quarter 2023 was $57.7 million, or $0.38 per diluted common share, which compares to a GAAP net income of $38.9 million, or $0.25 per diluted common share, for the fiscal second quarter 2022.

Ciena's adjusted (non-GAAP) net income for the fiscal second quarter 2023 was $110.4 million, or $0.74 per diluted common share, which compares to an adjusted (non-GAAP) net income of $76.4 million, or $0.50 per diluted common share, for the fiscal second quarter 2022.

Fiscal Second Quarter 2023 Performance Summary

The tables below (in millions, except percentage data) provide comparisons of certain quarterly results to the prior year. Appendices A and B set forth reconciliations between the GAAP and adjusted (non-GAAP) measures contained in this release.

	GAAP Results (unaudited)
	Q2			Q2			Period Change
	FY 2023			FY 2022			Y-T-Y*
Revenue	$	1,132.7		$	949.2		19.3	%
Gross margin	43.1		%	42.3		%	0.8	%
Operating expense	$	384.9		$	343.4		12.1	%
Operating margin	9.1		%	6.2		%	2.9	%

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	Non-GAAP Results (unaudited)
	Q2			Q2			Period Change
	FY 2023			FY 2022			Y-T-Y*
Revenue	$	1,132.7		$	949.2		19.3	%
Adj. gross margin	43.7		%	43.0		%	0.7	%
Adj. operating expense	$	338.1		$	301.1		12.3	%
Adj. operating margin	13.8		%	11.3		%	2.5	%
Adj. EBITDA	$	180.6		$	129.3		39.7	%

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

	Revenue by Segment (unaudited)
	Q2 FY 2023			Q2 FY 2022
	Revenue		%**	Revenue		%**
Networking Platforms
Converged Packet Optical	$	784.5	69.3	$	625.3	65.8
Routing and Switching	130.4		11.5	109.2		11.5
Total Networking Platforms	914.9		80.8	734.5		77.3
Platform Software and Services	69.4		6.1	69.1		7.3
Blue Planet Automation Software and Services	20.6		1.8	16.9		1.8
Global Services
Maintenance Support and Training	73.2		6.5	74.0		7.8
Installation and Deployment	39.5		3.5	41.4		4.4
Consulting and Network Design	15.1		1.3	13.3		1.4
Total Global Services	127.8		11.3	128.7		13.6
Total	$	1,132.7	100.0	$	949.2	100.0

** Denotes % of total revenue

Additional Performance Metrics for Fiscal Second Quarter 2023

	Revenue by Geographic Region (unaudited)
	Q2 FY 2023			Q2 FY 2022
	Revenue		% **	Revenue		% **
Americas	$	794.4	70.1	$	700.8	73.8
Europe, Middle East and Africa	173.4		15.3	145.1		15.3
Asia Pacific	164.9		14.6	103.3		10.9
Total	$	1,132.7	100.0	$	949.2	100.0

** Denotes % of total revenue

•One customer represented 10%-plus of revenue for a total of 10.9% of revenue

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•Cash and investments totaled $1.34 billion

•Cash flow from operations totaled $229.8 million

•Average days' sales outstanding (DSOs) were 97

•Accounts receivable, net balance was $1.04 billion

•Unbilled contract assets, net balance was $180.0 million

•Inventories totaled $1.10 billion, including:

◦Raw materials: $753.4 million

◦Work in process: $20.9 million

◦Finished goods: $308.0 million

◦Deferred cost of sales: $58.1 million

◦Reserve for excess and obsolescence: $(42.3) million

•Product inventory turns were 2.0

•Headcount totaled 8,385

Supplemental Materials and Live Web Broadcast of Unaudited Fiscal Second Quarter 2023 Results

Today, Tuesday, June 6, 2023, in conjunction with this announcement, Ciena has posted to the Quarterly Results page of the Investor Relations section of its website certain related supporting materials for its unaudited fiscal second quarter 2023 results.

Ciena's management will also host a discussion today with investors and financial analysts that will include the Company's outlook. The live audio web broadcast beginning at 8:30 a.m. Eastern will be accessible via www.ciena.com. An archived replay of the live broadcast will be available shortly following its conclusion on the Investor Relations page of Ciena's website.

Notes to Investors

Forward-Looking Statements.You are encouraged to review the Investors section of our website, where we routinely post press releases, Securities and Exchange Commission ("SEC") filings, recent news, financial results, supplemental financial information, and other announcements. From time to time we exclusively post material information to this website along with other disclosure channels that we use. 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: "We delivered outstanding results for the fiscal second quarter as we were able to ship more to customers with continued improvements in supply chain dynamics, We are confident in our ability to take market share given our backlog and strategic industry position with market-leading technologies and an expanding addressable market."

Ciena's actual results, performance or events may differ materially from these forward-looking statements made or implied due to 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; our ability to execute our business and growth strategies; the impact of supply chain constraints or disruptions; the duration and severity of the COVID-19 pandemic and the impact of countermeasures taken to mitigate its spread on macroeconomic conditions, economic activity, demand for our technology solutions, short- and long-term changes in customer or end user needs, continuity of supply chain, our business operations, liquidity and financial results; changes in network spending or network strategy by our customers; 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; changes in foreign currency exchange rates; factors beyond our control such as natural disasters, climate change, acts of war or terrorism, geopolitical events, including but not limited to

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the ongoing conflict between Ukraine and Russia, and public health emergencies; changes in tax or trade regulations, including the imposition of tariffs, duties or efforts to withdraw from or materially modify international trade agreements; and the other risk factors disclosed in Ciena’s periodic reports filed with the Securities and Exchange Commission (SEC) including Ciena’s Annual Report on Form 10-K filed with the SEC on December 16, 2022 and included in its Quarterly Report on Form 10-Q for the second quarter of fiscal 2023 to be filed with the SEC. Ciena assumes no obligation to update any forward-looking information included in this press release.

Non-GAAP Presentation of Quarterly and Annual Results. This release includes non-GAAP measures of Ciena's gross profit, operating expense, income from operations, earnings before interest, tax, depreciation and amortization (EBITDA), Adjusted EBITDA, and measures of net income and net income 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, Appendices A and B to this press release set forth a complete GAAP to non-GAAP reconciliation of the non-GAAP measures contained in this release.

About Ciena. Ciena (NYSE: CIEN) is a networking systems, services and software company. We provide solutions that help our customers create the Adaptive Network™ in response to the constantly changing demands of their users. By delivering best-in-class networking technology through high-touch consultative relationships, we build the world’s most agile networks with automation, openness and scale. For updates on Ciena, follow us on Twitter @Ciena, LinkedIn, the Ciena Insights blog, or visit www.ciena.com.

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CIENA CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per share data)

(unaudited)

	Quarter Ended				Six Months Ended
	April 29,		April 30,		April 29,		April 30,
	2023		2022		2023		2022
Revenue:
Products	$	935,330	$	759,948	$	1,813,045	$	1,424,955
Services	197,325		189,279		376,131		368,715
Total revenue	1,132,655		949,227		2,189,176		1,793,670
Cost of goods sold:
Products	541,883		452,057		1,042,220		824,622
Services	103,089		95,389		203,327		183,080
Total cost of goods sold	644,972		547,446		1,245,547		1,007,702
Gross profit	487,683		401,781		943,629		785,968
Operating expenses:
Research and development	189,993		159,324		371,723		307,733
Selling and marketing	125,083		119,939		248,890		238,820
General and administrative	50,939		45,572		101,835		90,070
Significant asset impairments and restructuring costs	8,153		9,102		12,451		12,511
Amortization of intangible assets	9,845		8,920		17,286		17,838
Acquisition and integration costs	857		495		3,415		563
Total operating expenses	384,870		343,352		755,600		667,535
Income from operations	102,813		58,429		188,029		118,433
Interest and other income, net	8,551		808		40,524		4,494
Interest expense	(23,889)		(11,985)		(39,759)		(20,633)
Income before income taxes	87,475		47,252		188,794		102,294
Provision for income taxes	29,821		8,330		54,899		17,549
Net income	$	57,654	$	38,922	$	133,895	$	84,745
Net Income per Common Share
Basic net income per common share	$	0.39	$	0.26	$	0.90	$	0.55
Diluted net income per potential common share	$	0.38	$	0.25	$	0.89	$	0.55
Weighted average basic common shares outstanding	149,616		152,197		149,351		153,179
Weighted average dilutive potential common shares outstanding 1	150,147		153,344		149,852		154,580

1 Weighted average dilutive potential common shares outstanding used in calculating GAAP diluted net income per potential common share includes the following number of shares underlying certain stock option and stock unit awards: (i) 0.5 million shares for both the second quarter and first six months of fiscal 2023; and (ii) 1.1 million and 1.4 million shares for the second quarter and first six months of fiscal 2022, respectively.

5

CIENA CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except share data)

(unaudited)

	April 29, 2023		October 29, 2022
ASSETS
Current assets:
Cash and cash equivalents	$	1,167,695	$	994,352
Short-term investments	150,464		153,989
Accounts receivable, net	1,036,688		920,772
Inventories	1,098,092		946,730
Prepaid expenses and other	415,687		370,053
Total current assets	3,868,626		3,385,896
Long-term investments	25,237		35,385
Equipment, building, furniture and fixtures, net	278,344		267,779
Operating lease right-of-use assets	41,119		45,108
Goodwill	446,364		328,322
Other intangible assets, net	231,314		69,517
Deferred tax asset, net	795,051		824,008
Other long-term assets	89,583		113,617
Total assets	$	5,775,638	$	5,069,632
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	444,769	$	516,047
Accrued liabilities and other short-term obligations	380,969		360,782
Deferred revenue	202,818		137,899
Operating lease liabilities	17,443		18,925
Current portion of long-term debt	11,930		6,930
Total current liabilities	1,057,929		1,040,583
Long-term deferred revenue	67,807		62,336
Other long-term obligations	154,870		150,335
Long-term operating lease liabilities	39,979		42,392
Long-term debt, net	1,546,400		1,061,125
Total liabilities	$	2,866,985	$	2,356,771
Stockholders’ equity:
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; 149,498,465 and 148,412,943 shares issued and outstanding	1,495		1,484
Additional paid-in capital	6,445,247		6,390,252
Accumulated other comprehensive loss	(39,754)		(46,645)
Accumulated deficit	(3,498,335)		(3,632,230)
Total stockholders’ equity	2,908,653		2,712,861
Total liabilities and stockholders’ equity	$	5,775,638	$	5,069,632

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CIENA CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands) (unaudited)

	Six Months Ended
	April 29,		April 30,
	2023		2022
Cash flows provided by (used in) operating activities:
Net income	$	133,895	$	84,745
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements	45,903		46,030
Share-based compensation expense	62,372		50,970
Amortization of intangible assets	23,600		24,463
Deferred taxes	(2,134)		(13,474)
Provision for inventory excess and obsolescence	12,691		8,487
Provision for warranty	13,577		7,228
Gain on cost method equity investment	(26,455)		(4,120)
Other	11,331		(1,713)
Changes in assets and liabilities:
Accounts receivable	(116,914)		104,455
Inventories	(162,143)		(171,056)
Prepaid expenses and other	(41,511)		(36,673)
Operating lease right-of-use assets	7,644		8,222
Accounts payable, accruals and other obligations	(55,754)		(88,960)
Deferred revenue	68,818		43,753
Short and long-term operating lease liabilities	(10,748)		(10,216)
Net cash provided by (used in) operating activities	(35,828)		52,141
Cash flows used in investing activities:
Payments for equipment, furniture, fixtures and intellectual property	(58,034)		(45,249)
Purchases of investments	(106,245)		(461,553)
Proceeds from sales and maturities of investments	123,251		90,005
Settlement of foreign currency forward contracts, net	(6,194)		3,708
Purchase of cost method equity investments	—		(8,000)
Acquisition of business, net of cash acquired	(230,048)		(62,043)
Net cash used in investing activities	(277,270)		(483,132)
Cash flows provided by financing activities:
Proceeds from issuance of senior notes	—		400,000
Proceeds from issuance of term loan, net	497,500		—
Payment of long term debt	(3,465)		(3,465)
Payment of debt issuance costs	(5,230)		(5,145)
Payment of finance lease obligations	(1,864)		(1,635)
Shares repurchased for tax withholdings on vesting of stock unit awards	(22,022)		(35,004)
Repurchases of common stock - repurchase program	—		(332,794)
Proceeds from issuance of common stock	14,656		15,185
Net cash provided by financing activities	479,575		37,142
Effect of exchange rate changes on cash, cash equivalents and restricted cash	6,867		(8,807)
Net increase (decrease) in cash, cash equivalents and restricted cash	173,344		(402,656)
Cash, cash equivalents and restricted cash at beginning of period	994,378		1,422,604
Cash, cash equivalents and restricted cash at end of period	$	1,167,722	$	1,019,948
Supplemental disclosure of cash flow information
Cash paid during the period for interest	$	37,514	$	16,809
Cash paid during the period for income taxes, net	$	24,218	$	17,905
Operating lease payments	$	11,689	$	10,917
Non-cash investing and financing activities
Purchase of equipment in accounts payable	$	4,618	$	8,093
Repurchase of common stock in accrued liabilities from repurchase program	$	—	$	5,000
Operating right-of-use assets subject to lease liability	$	6,177	$	3,589
Gain on cost method equity investment	$	26,455	$	4,120

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APPENDIX A - Reconciliation of Adjusted (Non- GAAP) Measurements
(in thousands, except per share data) (unaudited)
	Quarter Ended
	April 29,			April 30,
	2023			2022
Gross Profit Reconciliation (GAAP/non-GAAP)
GAAP gross profit	$	487,683		$	401,781
Share-based compensation-products	1,155			1,058
Share-based compensation-services	2,659			1,943
Amortization of intangible assets	3,431			3,313
Total adjustments related to gross profit	7,245			6,314
Adjusted (non-GAAP) gross profit	$	494,928		$	408,095
Adjusted (non-GAAP) gross profit percentage	43.7		%	43.0		%
Operating Expense Reconciliation (GAAP/non-GAAP)
GAAP operating expense	$	384,870		$	343,352
Share-based compensation-research and development	10,731			8,309
Share-based compensation-sales and marketing	8,755			8,061
Share-based compensation-general and administrative	8,468			7,334
Significant asset impairments and restructuring costs	8,153			9,102
Amortization of intangible assets	9,845			8,920
Acquisition and integration costs	857			495
Total adjustments related to operating expense	46,809			42,221
Adjusted (non-GAAP) operating expense	$	338,061		$	301,131
Income from Operations Reconciliation (GAAP/non-GAAP)
GAAP income from operations	$	102,813		$	58,429
Total adjustments related to gross profit	7,245			6,314
Total adjustments related to operating expense	46,809			42,221
Total adjustments related to income from operations	54,054			48,535
Adjusted (non-GAAP) income from operations	$	156,867		$	106,964
Adjusted (non-GAAP) operating margin percentage	13.8		%	11.3		%
Net Income Reconciliation (GAAP/non-GAAP)
GAAP net income	$	57,654		$	38,922
Exclude GAAP provision for income taxes	29,821			8,330
Income before income taxes	87,475			47,252
Total adjustments related to income from operations	54,054			48,535
Adjusted income before income taxes	141,529			95,787
Non-GAAP tax provision on adjusted income before income taxes	31,136			19,349
Adjusted (non-GAAP) net income	$	110,393		$	76,438
Weighted average basic common shares outstanding	149,616			152,197
Weighted average dilutive potential common shares outstanding 1	150,147			153,344
Net Income per Common Share
GAAP diluted net income per potential common share	$	0.38		$	0.25
Adjusted (non-GAAP) diluted net income per potential common share	$	0.74		$	0.50

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1 Weighted average dilutive potential common shares outstanding used in calculating Adjusted (non-GAAP) diluted net income per potential common share includes the following number of shares underlying certain stock option and stock unit awards: (i) 0.5 million for the second quarter of fiscal 2023; and (ii) 1.1 million for the second quarter of fiscal 2022.

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APPENDIX B - Calculation of EBITDA and Adjusted EBITDA (unaudited)
(in thousands) (unaudited)
	Quarter Ended
	April 29,		April 30,
	2023		2022
Earnings Before Interest, Tax, Depreciation and Amortization (EBITDA)
Net income (GAAP)	$	57,654	$	38,922
Add: Interest expense	23,889		11,985
Less: Interest and other income, net	8,551		808
Add: Provision for income taxes	29,821		8,330
Add: Depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements	23,695		22,377
Add: Amortization of intangible assets	13,275		12,233
EBITDA	$	139,783	$	93,039
Add: Share-based compensation cost	31,768		26,673
Add: Significant asset impairments and restructuring costs	8,153		9,102
Add: Acquisition and integration costs	857		495
Adjusted EBITDA	$	180,561	$	129,309

* * *

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 - a non-cash expense incurred in accordance with share-based compensation accounting guidance.

•Significant asset impairments and restructuring costs - costs incurred as a result of restructuring activities taken to align resources with perceived market opportunities, and the redesign of business processes including restructuring certain real estate facilities.

•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  - primarily consist of financial, legal and accounting advisors' costs and employment-related costs related to Ciena's acquisitions in fiscal 2022 and fiscal 2023.

•Non-GAAP tax provision - consists of current and deferred income tax expense commensurate with the level of adjusted income before income taxes and utilizes a current, blended U.S. and foreign statutory annual tax rate of 22.0% for the second fiscal quarter of 2023 and 20.2% for the second fiscal quarter of 2022. This rate may be subject to change in the future, including as a result of changes in tax policy or tax strategy.

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EX-99.2

© Ciena Corporation 2023. All rights reserved. Proprietary information. Ciena Corporation Period ended April 29, 2023 June 6, 2023 Earnings Presentation

2© Ciena Corporation 2023. All rights reserved. Proprietary information. Forward-looking statements and non-GAAP measures Information in this presentation and related comments of presenters contain a number of forward-looking statements. 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 Ciena’s prospective financial results, return of capital plans, business strategies, expectations about its addressable markets and market share, and business outlook for future periods, as well as statements regarding Ciena’s expectations, beliefs, intentions or strategies regarding the future. Often, these can be identified by forward-looking words such as “target” “anticipate,” “believe,” “could,” “estimate,” “expect,” “intend,” “may,” “should,” “will,” “plan,” “predict,” “potential,” “project", “continue,” and “would” or similar words. Ciena's actual results, performance or events may differ materially from these forward-looking statements made or implied due to 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; our ability to execute our business and growth strategies; the impact of supply chain constraints or disruptions; the duration and severity of the COVID-19 pandemic and the impact of countermeasures taken to mitigate its spread on macroeconomic conditions, economic activity, demand for our technology solutions, short- and long-term changes in customer or end user needs, continuity of supply chain, our business operations, liquidity and financial results; changes in network spending or network strategy by our customers; 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; changes in foreign currency exchange rates; factors beyond our control such as natural disasters, climate change, acts of war or terrorism, geopolitical events, including but not limited to the ongoing conflict between Ukraine and Russia, and public health emergencies; changes in tax or trade regulations, including the imposition of tariffs, duties or efforts to withdraw from or materially modify international trade agreements; and the other risk factors disclosed in Ciena’s periodic reports filed with the Securities and Exchange Commission (SEC) including Ciena’s Annual Report on Form 10-K filed with the SEC on December 16, 2022 and Ciena’s Quarterly Report on Form 10-Q to be filed with the SEC. All information, statements, and projections in this presentation and the related earnings call speak only as of the date of this presentation and related earnings call. Ciena assumes no obligation to update any forward-looking or other information included in this presentation or related earnings calls, whether as a result of new information, future events or otherwise. In addition, this presentation includes historical, and may include prospective, non-GAAP measures of Ciena’s gross margin, operating expense, operating margin, EBITDA, and net income per share. These measures are not intended to be a substitute for financial information presented in accordance with GAAP. A reconciliation of non-GAAP measures used in this presentation to Ciena’s GAAP results for the relevant period can be found in the Appendix to this presentation. Additional information can also be found in our press release filed this morning and in our reports on Form 10-Q and Form 10K filed with the Securities and Exchange Commission.

3© Ciena Corporation 2023. All rights reserved. Proprietary information. Table of Contents 1 Overview & recent achievements 2 Market context and Ciena's portfolio 3 Q2 FY 2023 financial performance 4 Appendix

4© Ciena Corporation 2023. All rights reserved. Proprietary information. Overview & recent achievements

5© Ciena Corporation 2023. All rights reserved. Proprietary information. Ciena is an industry-leading global networking systems, services, and software company ….. Leading technology and innovation … with a strong track record of creating shareholder value Diversification and scale of business Leader in Optical markets and disruptor in emerging opportunities Demonstrated track record of financial performance Flexibility with strong balance sheet

6© Ciena Corporation 2023. All rights reserved. Proprietary information. Recent key achievements ▪ Announced WaveLogic™ 6, our next generation of coherent optics and the industry's first to support up to 1.6Tbps single-carrier wavelengths ▪ Delivering industry-leading coherent technology with WaveLogic 5 Extreme (WL5e), the most widely deployed 800G solution, and WaveLogic 5 Nano interoperable performance pluggables ▪ Launched WaveRouter, a purpose-built Coherent Router and industry-first platform architecture optimally designed for the converged metro ▪ Offering a fully integrated per port architecture for Broadband Access Solution encompassing Ciena, Benu, and Tibit products We are driving the pace of innovation We are committed to our people and communities We have a resilient business and financial model ▪ Our large backlog provides visibility as supply chain gradually improves ▪ In FY 2022, we repurchased approximately 8.4 million shares for $500 million as part of our $1 billion stock repurchase program and we committed to completing the program by FYE 2024 ▪ Our balance sheet remains a competitive advantage • Ended the fiscal quarter with approximately $1.3B in cash and investments ▪ Released our 2022 Sustainability Report, detailing our progress and performance across environmental, social, and governance programs ▪ Submitted new greenhouse gas reduction goals to the Science Based Target Initiative for approval to address the environmental impact of our operations and ensure that our technology innovation becomes an even greater enabler of our customers’ environmental ambitions ▪ Awarded 20 schools with a Ciena Solutions Challenge Sustainability Award, helping them bring to life their innovative solutions to sustainability challenges affecting their local communities

7© Ciena Corporation 2023. All rights reserved. Proprietary information. Market context and Ciena's portfolio

8© Ciena Corporation 2023. All rights reserved. Proprietary information. Six mega trends and the innovations that will enable them AI, Digital Transformation & Automation Cloud Data Center Mobility & 5G IoT and Connected Objects Virtual & Hybrid Lifestyles

9© Ciena Corporation 2023. All rights reserved. Proprietary information. Technical and professional services that help customers build, operate, and optimize their networks Predictive analytics and machine learning based on both big data and small data Dynamic pool of virtual and physical network resources; instrumented, open, scalable, and secure Federated inventory, open domain control, and multi-layer orchestration Our vision for a new network end-state How it works

10© Ciena Corporation 2023. All rights reserved. Proprietary information. Our market leadership Optical Transport Report, 1Q23Optical Networking Report, 4Q22 Service Provider Switching & Routing Report, 4Q22 Transport Hardware and Markets Report, 1Q23 Transport Applications Report, 1Q23 #1 GLOBALLY ◦ DATA CENTER INTERCONNECT ◦ PURPOSE-BUILT/COMPACT MODULAR DCI ◦ OPTICAL FOR INTERNET CONTENT PROVIDER CUSTOMERS ◦ OPTICAL FOR CABLE MSO CUSTOMERS #1 N. AMERICA ◦ DATA CENTER INTERCONNECT ◦ TOTAL OPTICAL NETWORKING ◦ OPTICAL PACKET #2 GLOBALLY ◦ TOTAL OPTICAL NETWORKING ◦ OPTICAL PACKET ◦ COMMUNICATION SERVICE PROVIDER CUSTOMERS #1 GLOBALLY ◦ SLTE WDM ◦ ACCESS SWITCHING #1 N. AMERICA ◦ TOTAL OPTICAL NETWORKING ◦ DATA CENTER INTERCONNECT ◦ ACCESS SWITCHING #2 GLOBALLY ◦ TOTAL WDM ◦ PURPOSE-BUILT/COMPACT MODULAR DCI #1 GLOBALLY ◦ PURPOSE-BUILT/COMPACT MODULAR DCI ◦ OPTICAL FOR CLOUD & COLO ◦ SLTE WDM #1 N. AMERICA ◦ TOTAL OPTICAL NETWORKING ◦ PURPOSE-BUILT/COMPACT MODULAR DCI ◦ OPTICAL FOR CLOUD & COLO ◦ PACKET ACCESS #2 GLOBALLY ◦ TOTAL OPTICAL NETWORKING ◦ OPTICAL FOR SERVICE PROVIDER ◦ OPTICAL FOR ENTERPRISE & GOVERNMENT ◦ PACKET ACCESS

11© Ciena Corporation 2023. All rights reserved. Proprietary information. Q2 FY 2023 results

12© Ciena Corporation 2023. All rights reserved. Proprietary information. Q2 FY 2023 key highlights ▪ Non-telco represented 42% of total revenue in fiscal Q2 2023 ◦ Direct Cloud Provider revenue increased 20% YoY ▪ Service Provider revenue increased 22% YoY ▪ Routing and Switching revenue increased 19% YoY in fiscal Q2 2023, reflecting strong contribution across the routing portfolio ▪ APAC revenue increased 60% YoY and 19% QoQ driven by strength in India ▪ GAAP R&D investment was 17% of total revenue in fiscal Q2 2023 ▪ Record quarter for 6500 RLS line systems driven by next gen, scalable C+L-band infrastructure build-outs • Customer traction continues with 400G+ technologies, with 12 new wins on WL5n and 14 new wins on WaveLogic 5 Extreme ◦ Record quarter for WL5e shipments with more than 75,000 modems shipped to date ▪ Expanded XGS-PON capabilities for residential and small office/home office applications with the 3906 XGS-PON weatherproof Optical Network Unit ▪ Total shareholder return five-year CAGR of 11%1 ▪ Made strategic investments to expand our addressable market, including the announcement of WaveRouter ▪ Under our authorized $1 billion stock repurchase program, we are targeting the repurchase of $250M in shares in FY2023 1 Based on closing share price between 5/16//2018 to 5/16/2023 Achieving balanced growth Prioritizing long term shareholder valueDriving the pace of innovation

13© Ciena Corporation 2023. All rights reserved. Proprietary information. Q2 FY 2023 comparative financial highlights * Reconciliations of these non-GAAP measures to our GAAP results are included in the Appendix and in the press release for the relative period. Q2 FY 2023 Q2 FY 2022 Revenue $1,132.7M $949.2M Adjusted Gross Margin* 43.7% 43.0% Adjusted Operating Expense* $338.1M $301.1M Adjusted Operating Margin* 13.8% 11.3% Adjusted EBITDA* $180.6M $129.3M Adjusted EPS* $0.74 $0.50

14© Ciena Corporation 2023. All rights reserved. Proprietary information. Q2 FY 2023 comparative operating metrics Q2 FY 2023 Q2 FY 2022 Cash and investments $1.34B $1.64B Cash from operations $230M $106M DSO 96.7 87.0 Inventory Turns 2.0 3.4 Gross Leverage 2.78x 1.71x Net Cash (Debt) $(284)M $497M

15© Ciena Corporation 2023. All rights reserved. Proprietary information. Revenue by segment (Amounts in millions) Q2 FY 2023 Q2 FY 2022 Revenue %** Revenue %** Networking Platforms Converged Packet Optical $784.5 69.3 $625.3 65.8 Routing and Switching 130.4 11.5 109.2 11.5 Total Networking Platforms 914.9 80.8 734.5 77.3 Platform Software and Services 69.4 6.1 69.1 7.3 Blue Planet Automation Software and Services 20.6 1.8 16.9 1.8 Global Services Maintenance Support and Training 73.2 6.5 74.0 7.8 Installation and Deployment 39.5 3.5 41.4 4.4 Consulting and Network Design 15.1 1.3 13.3 1.4 Total Global Services 127.8 11.3 128.7 13.6 Total $1,132.7 100.0 $949.2 100.0 * A reconciliation of these non-GAAP measures to GAAP results is included in the appendix to this presentation. ** Denotes % of total revenue

16© Ciena Corporation 2023. All rights reserved. Proprietary information. Continued revenue strength derived from non-telco customers

17© Ciena Corporation 2023. All rights reserved. Proprietary information. Revenue by geographic region 11% 15% 13% 15% 14% 15% 74% 71% 74% 72% 14% 12% 15% 15% 70%

18© Ciena Corporation 2023. All rights reserved. Proprietary information. Q2 FY 2023 appendix

19© Ciena Corporation 2023. All rights reserved. Proprietary information. Q2 FY 2023 Q1 FY 2023 Q4 FY 2022 Q3 FY 2022 Q2 FY 2022 GAAP gross profit $487,683 $455,946 $433,597 $340,779 $401,781 Share-based compensation-products 1,155 1,051 907 1,002 1,058 Share-based compensation-services 2,659 2,297 2,066 1,940 1,943 Amortization of intangible assets 3,431 2,883 2,005 3,140 3,313 Total adjustments related to gross profit 7,245 6,231 4,978 6,082 6,314 Adjusted (non-GAAP) gross profit $494,928 $462,177 $438,575 $346,861 $408,095 Adjusted (non-GAAP) gross profit percentage 43.7 % 43.7 % 45.2 % 40.0 % 43.0 % Gross Profit Reconciliation (Amounts in thousands)

20© Ciena Corporation 2023. All rights reserved. Proprietary information. Q2 FY 2023 Q1 FY 2023 Q4 FY 2022 Q3 FY 2022 Q2 FY 2022 GAAP operating expense $384,870 $370,730 $356,329 $313,672 $343,352 Share-based compensation-research and development 10,731 9,234 8,507 8,233 8,309 Share-based compensation-sales and marketing 8,755 8,424 8,084 8,075 8,061 Share-based compensation-general and administrative 8,468 9,468 7,610 7,579 7,334 Significant asset impairments and restructuring costs 8,153 4,298 13,621 7,692 9,102 Amortization of intangible assets 9,845 7,441 5,754 8,919 8,920 Acquisition and integration costs 857 2,558 — 35 495 Total adjustments related to operating expense 46,809 41,423 43,576 40,533 42,221 Adjusted (non-GAAP) operating expense $338,061 $329,307 $312,753 $273,139 $301,131 Q2 FY 2023 Q1 FY 2023 Q4 FY 2022 Q3 FY 2022 Q2 FY 2022 GAAP income from operations $102,813 $85,216 $77,268 $27,107 $58,429 Total adjustments related to gross profit 7,245 6,231 4,978 6,082 6,314 Total adjustments related to operating expense 46,809 41,423 43,576 40,533 42,221 Total adjustments related to income from operations 54,054 47,654 48,554 46,615 48,535 Adjusted (non-GAAP) income from operations $156,867 $132,870 $125,822 $73,722 $106,964 Adjusted (non-GAAP) operating margin percentage 13.8 % 12.6 % 13.0 % 8.5 % 11.3 % Operating Expense Reconciliation (Amounts in thousands) Income from Operations Reconciliation (Amounts in thousands)

21© Ciena Corporation 2023. All rights reserved. Proprietary information. Q2 FY 2023 Q1 FY 2023 Q4 FY 2022 Q3 FY 2022 Q2 FY 2022 GAAP net income $57,654 $76,241 $57,645 $10,512 $38,922 Exclude GAAP provision for income taxes 29,821 25,078 7,735 4,319 8,330 Income before income taxes 87,475 101,319 65,380 14,831 47,252 Total adjustments related to income from operations 54,054 47,654 48,554 46,615 48,535 Gain on cost method equity investment — (26,455) — — — Adjusted income before income taxes 141,529 122,518 113,934 61,446 95,787 Non-GAAP tax provision on adjusted income before income taxes 31,136 26,954 23,015 12,412 19,349 Adjusted (non-GAAP) net income $110,393 $95,564 $90,919 $49,034 $76,438 Weighted average basic common shares outstanding 149,616 149,081 148,548 149,862 152,197 Weighted average diluted potential common shares outstanding(1) 150,147 149,551 149,111 150,463 153,344 Q2 FY 2023 Q1 FY 2023 Q4 FY 2022 Q3 FY 2022 Q2 FY 2022 GAAP diluted net income per potential common share $ 0.38 $ 0.51 $ 0.39 $ 0.07 $ 0.25 Adjusted (non-GAAP) diluted net income per potential common share $ 0.74 $ 0.64 $ 0.61 $ 0.33 $ 0.50 1. Weighted average dilutive potential common shares outstanding used in calculating Adjusted (non-GAAP) diluted net income per potential common share for the second quarter of fiscal 2023 includes 0.5 million shares underlying certain stock option and stock unit awards. Net Income Reconciliation (Amounts in thousands) Net Income per Common Share

22© Ciena Corporation 2023. All rights reserved. Proprietary information. Earnings Before Interest, Tax, Depreciation and Amortization (EBITDA) Q2 FY 2023 Q1 FY 2023 Q4 FY 2022 Q3 FY 2022 Q2 FY 2022 Net income (GAAP) $57,654 $76,241 $57,645 $10,512 $38,922 Add: Interest expense 23,889 15,870 13,775 12,642 11,985 Less: Interest and other income, net 8,551 31,973 1,887 366 808 Add: Provision for income taxes 29,821 25,078 7,735 4,319 8,330 Add: Depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements 23,695 22,208 27,642 22,250 22,377 Add: Amortization of intangible assets 13,275 10,325 7,759 12,059 12,233 EBITDA $139,783 $117,749 $112,669 $61,416 $93,039 Add: Share-based compensation cost 31,768 30,474 27,174 26,857 26,673 Add: Significant asset impairments and restructuring costs 8,153 4,298 13,621 7,692 9,102 Add: Acquisition and integration costs 857 2,558 — 35 495 Adjusted EBITDA $180,561 $155,079 $153,464 $96,000 $129,309 Earnings Before Interest, Tax, Depreciation and Amortization (EBITDA) (Amounts in thousands)

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Cover Page	Jun. 06, 2023
Cover [Abstract]
Document Type	8-K
Document Period End Date	Jun. 06, 2023
Entity Registrant Name	Ciena Corp
Entity File Number	001-36250
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	23-2725311
Entity Address, Address Line One	7035 Ridge Road
Entity Address, City or Town	Hanover
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21076
City Area Code	410
Local Phone Number	694-5700
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Title of 12(b) Security	Common stock, $0.01 par value
Trading Symbol	CIEN
Security Exchange Name	NYSE
Entity Emerging Growth Company	false
Entity Central Index Key	0000936395
Amendment Flag	false