Ciena’s disaggregated revenue as presented below depicts the nature, amount, and timing of revenue and cash flows for similar groupings of Ciena’s various offerings. The sales cycle, contractual obligations, customer requirements, and go-to-market strategies may differ across Ciena’s product lines, resulting in different economic risk profiles for each line.


	Quarter Ended July 29, 2023
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	718,997	$	—	$	—	$	—	$	718,997
Routing and Switching	127,563		—		—		—		127,563
Platform Software and Services	—		78,880		—		—		78,880
Blue Planet Automation Software and Services	—		—		13,167		—		13,167
Maintenance Support and Training	—		—		—		72,887		72,887
Installation and Deployment	—		—		—		46,840		46,840
Consulting and Network Design	—		—		—		9,552		9,552
Total revenue by product line	$	846,560	$	78,880	$	13,167	$	129,279	$	1,067,886

Timing of revenue recognition:
Products and services at a point in time	$	846,560	$	15,980	$	2,832	$	11,886	$	877,258
Services transferred over time	—		62,900		10,335		117,393		190,628
Total revenue by timing of revenue recognition	$	846,560	$	78,880	$	13,167	$	129,279	$	1,067,886


	Quarter Ended July 30, 2022
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	563,837	$	—	$	—	$	—	$	563,837
Routing and Switching	100,741		—		—		—		100,741
Platform Software and Services	—		63,483		—		—		63,483
Blue Planet Automation Software and Services	—		—		17,342		—		17,342
Maintenance Support and Training	—		—		—		72,760		72,760
Installation and Deployment	—		—		—		38,704		38,704
Consulting and Network Design	—		—		—		11,114		11,114
Total revenue by product line	$	664,578	$	63,483	$	17,342	$	122,578	$	867,981

Timing of revenue recognition:
Products and services at a point in time	$	664,578	$	15,230	$	4,632	$	9,408	$	693,848
Services transferred over time	—		48,253		12,710		113,170		174,133
Total revenue by timing of revenue recognition	$	664,578	$	63,483	$	17,342	$	122,578	$	867,981


	Nine Months Ended July 29, 2023
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	2,239,180	$	—	$	—	$	—	$	2,239,180
Routing and Switching	377,378		—		—		—		377,378
Platform Software and Services	—		221,768		—		—		221,768
Blue Planet Automation Software and Services	—		—		49,139		—		49,139
Maintenance Support and Training	—		—		—		213,938		213,938
Installation and Deployment	—		—		—		120,901		120,901
Consulting and Network Design	—		—		—		34,758		34,758
Total revenue by product line	$	2,616,558	$	221,768	$	49,139	$	369,597	$	3,257,062

Timing of revenue recognition:
Products and services at a point in time	$	2,616,558	$	48,290	$	14,143	$	36,553	$	2,715,544
Services transferred over time	—		173,478		34,996		333,044		541,518
Total revenue by timing of revenue recognition	$	2,616,558	$	221,768	$	49,139	$	369,597	$	3,257,062


	Nine months ended July 30, 2022
	Networking Platforms		Platform Software and Services		Blue Planet Automation Software and Services		Global Services		Total
Product lines:
Converged Packet Optical	$	1,730,066	$	—	$	—	$	—	$	1,730,066
Routing and Switching	295,638		—		—		—		295,638
Platform Software and Services	—		205,557		—		—		205,557
Blue Planet Automation Software and Services	—		—		55,334		—		55,334
Maintenance Support and Training	—		—		—		219,270		219,270
Installation and Deployment	—		—		—		120,504		120,504
Consulting and Network Design	—		—		—		35,282		35,282
Total revenue by product line	$	2,025,704	$	205,557	$	55,334	$	375,056	$	2,661,651

Timing of revenue recognition:
Products and services at a point in time	$	2,025,704	$	66,655	$	17,442	$	31,368	$	2,141,169
Services transferred over time	—		138,902		37,892		343,688		520,482
Total revenue by timing of revenue recognition	$	2,025,704	$	205,557	$	55,334	$	375,056	$	2,661,651

Ciena reports its sales geographically using the following markets: (i) the United States, Canada, the Caribbean and Latin America (“Americas”); (ii) Europe, Middle East and Africa (“EMEA”); and (iii) Asia Pacific, Japan and India (“APAC”). Within each geographic area, Ciena maintains specific teams or personnel that focus on a particular region, country, customer or market vertical. These teams include sales management, account salespersons, and sales engineers, as well as services professionals and commercial management personnel. The following table reflects Ciena’s geographic distribution of revenue based principally on the relevant location for Ciena’s delivery of products and performance of services.


	Quarter Ended				Nine Months Ended
	July 29,		July 30,		July 29,		July 30,
	2023		2022		2023		2022
Geographic distribution:
Americas	$	749,479	$	617,366	$	2,308,934	$	1,913,350
EMEA	152,834		124,185		479,053		420,075
APAC	165,573		126,430		469,075		328,226
Total revenue by geographic distribution	$	1,067,886	$	867,981	$	3,257,062	$	2,661,651

Ciena’s revenue includes $685.8 million and $574.3 million of United States revenue for the third quarter of fiscal 2023 and 2022, respectively. For the nine months ended July 29, 2023 and July 30, 2022, United States revenue was $2.1 billion and $1.8 billion, respectively. No other country accounted for 10% or more of total revenue for the periods indicated in the above table.


	Quarter Ended				Nine Months Ended
	July 29,		July 30,		July 29,		July 30,
	2023		2022		2023		2022
Web-scale provider	$	124,897	n/a		$	369,678	n/a
AT&T	n/a		100,293		$	357,382	314,358
Verizon	n/a		108,495		n/a		273,158
Total	$	124,897	$	208,788	$	727,060	$	587,516

The Web-scale provider noted in the above table purchased products from each of Ciena’s operating segments excluding Blue Planet® Automation Software and Services for each of the periods presented. The other customers identified above purchased products and services from each of Ciena’s operating segments for each of the periods presented.

•Converged Packet Optical - includes the 6500 Packet-Optical Platform, the Waveserver® modular interconnect system, the 6500 Reconfigurable Line System (RLS), the 5400 family of Packet-Optical Platforms, and the Coherent ELS open line system (OLS). This product line includes the WL5n 100G-400G

•Routing and Switching - includes the 3000 family of service delivery platforms and the 5000 family of service aggregation. This product line also includes the 6500 Packet Transport System (PTS), which combines packet switching, control plane operation, and integrated optics, the 8100 Coherent IP networking platforms, the 8700 Packetwave Platform, and virtualization software. This product line also includes SD-Edge software and passive optical network (“PON”) routing and switching portfolio products from our recent acquisitions of Benu Networks, Inc. (“Benu”) and Tibit Communications, Inc. (“Tibit”) respectively, during the first quarter of fiscal 2023. This product line also includes Ciena’s WaveRouter® product, which was introduced during the second quarter of fiscal 2023, for which there have been no sales to date.

The Networking Platforms segment also includes sales of operating system software and enhanced software features embedded in each of the product lines above. Revenue from this segment is included in product revenue on the Condensed Consolidated Statements of Operations. Operating system software and enhanced software features embedded in Ciena hardware are each considered distinct performance obligations for which the revenue is generally recognized upfront at a point in time upon transfer of control.

•Platform Software and Services offerings provide domain control management, analytics, data and planning tools, and applications to assist customers in managing their networks, including by creating more efficient operations and more

proactive visibility into their networks. Ciena’s platform software includes its Manage, Control and Plan (“MCP”) domain controller solution, its suite of MCP applications, and its OneControl Unified Management System, as well as planning tools and a number of legacy software solutions that support Ciena’s installed base of network solutions. Platform software-related services revenue includes sales of subscription, installation, support, and consulting services related to Ciena’s software platforms, operating system software and enhanced software features embedded in each of the Networking Platforms product lines above. Revenue from the software portion of this segment is included in product revenue on the Condensed Consolidated Statements of Operations. Revenue from services portions of this segment is included in services revenue on the Condensed Consolidated Statements of Operations.

•Blue Planet Automation Software and Services is a comprehensive, cloud native, and standards-based software portfolio, together with related services, that enables customers to realize digital transformation through the automation of the services lifecycle. Ciena’s Blue Planet Automation Platform includes multi-domain service orchestration (MDSO), inventory management (BPI), route optimization and analysis (ROA), network function virtualization orchestration (NFVO), and unified assurance and analytics (UAA). Services revenue includes sales of subscription, installation, support, consulting and design services related to Ciena’s Blue Planet Automation Platform. Revenue from the software portion of this segment is included in product revenue on the Condensed Consolidated Statements of Operations. Revenue from services portions of this segment is included in services revenue on the Condensed Consolidated Statements of Operations.

Ciena’s software platform revenue typically reflects either perpetual or term-based software licenses, and these sales are considered distinct performance obligations in which revenue is generally recognized upfront at a point in time upon transfer of control. Revenue from software subscription and support is recognized ratably over the period during which the services are performed. Revenue from professional services for solution customization, software and solution support services, consulting and design, and build-operate-transfer services relating to Ciena’s software offerings is recognized over time with Ciena applying the input method to determine the amount of revenue to be recognized in a given period.

•Global Services revenue reflects sales of a broad range of Ciena’s services for maintenance support and training, installation and deployment, and consulting and network design activities. Revenue from this segment is included in services revenue on the Condensed Consolidated Statements of Operations.

Ciena’s Global Services are considered a distinct performance obligation for which revenue is generally recognized over time. Revenue from maintenance support is recognized ratably over the period during which the services are performed. Revenue from installation and deployment services and consulting and network design services is also recognized over time with Ciena applying the input method to determine the amount of revenue to be recognized in a given period. Revenue from training services is generally recognized at a point in time upon completion of the service.

The following table provides information about receivables, contract assets and contract liabilities (deferred revenue) from contracts with customers as of the dates indicated (in thousands):


	Balance at July 29, 2023		Balance at October 29, 2022
Accounts receivable, net	$	997,373	$	920,772
Contract assets for unbilled accounts receivable, net	$	142,305	$	156,039
Deferred revenue	$	259,977	$	200,235

Ciena’s contract assets represent unbilled accounts receivable, net where transfer of a product or service has occurred but invoicing is conditional upon completion of future performance obligations. These amounts are primarily related to installation and deployment and professional services arrangements where transfer of control has occurred, but Ciena has not yet invoiced the customer. Contract assets are included in prepaid expenses and other in the Condensed Consolidated Balance Sheets. See Note 11 below.

Contract liabilities consist of deferred revenue and represent advanced payments against non-cancelable customer orders received prior to revenue recognition. Ciena recognized approximately $119.8 million and $98.9 million of revenue during the first nine months of fiscal 2023 and 2022, respectively, that was included in the deferred revenue balance as of October 29, 2022 and October 30, 2021, respectively. Revenue recognized due to changes in transaction price from performance obligations satisfied or partially satisfied in previous periods was immaterial during the nine months ended July 29, 2023 and July 30, 2022.

Capitalized contract acquisition costs consist of deferred sales commissions, and were $31.4 million and $39.7 million as of July 29, 2023 and October 29, 2022, respectively. Capitalized contract acquisition costs were included in (i) prepaid expenses and other and (ii) other long-term assets. The amortization expense associated with these costs was $26.0 million and $20.5 million during the first nine months of fiscal 2023 and 2022, respectively, and was included in selling and marketing expense on the Condensed Consolidated Statements of Operations.

Remaining Performance Obligations (“RPO”) are comprised of non-cancelable customer purchase orders for products and services that are awaiting transfer of control for revenue recognition under the applicable contract terms. As of July 29, 2023, the aggregate amount of RPO was $2.1 billion. As of July 29, 2023, Ciena expects approximately 84% of the RPO to be recognized as revenue within the next 12 months.