VERIZON COMMUNICATIONS INC

For the three months ended March 31, 2025, the Datacom JV owned cell towers located in Texas, Wisconsin, New York, Missouri and Florida that account for approximately 11.1%, 13.3%, 12.5%, 11.7% and 8.7%, respectively, of total cell tower rental revenue.For the three months ended March 31, 2026, cell tower leases with tenants under common control of Verizon Communications Inc., AT&T Inc., T-Mobile USA, Inc. and US Cellular accounted for approximately 31.4%, 18.0%, 16.5% and 7.8 %, respectively, of total Datacom JV cell tower revenue.

For the year ended December 31, 2024, the Datacom JV owned cell towers located in New York, Florida, Missouri, and Texas that account for approximately 16.48%, 11.01%, 12.52%, and 14.45%, respectively, of total cell tower rental revenue.For the year ended December 31, 2025, cell tower leases with tenants under common control of Verizon Communications Inc., AT&T Inc., US Cellular and T-Mobile USA, Inc. accounted for approximately 31.07%, 18.46%, 8.33% and 14.12 %, respectively, of total Datacom JV cell tower revenue.

For the three months ended March 31, 2025, cell tower leases with tenants under common control of Verizon Communications Inc., AT&T Inc., T-Mobile USA, Inc. and US Cellular accounted for approximately 31.5%, 18.7%, 11.4%. and 8.8%, respectively, of Datacom JV total cell tower revenue.As a Lessee The Datacom JV is a lessee for certain properties, including ground leases.

Sales to Verizon Communications Inc. represented 24%, 17%, and 19% of our net sales and 17%, 12%, and 13% of gross billings for the years ended March 31, 2026, 2025, and 2024, respectively.

Sales to Verizon Communications Inc. represented 16%, 19%, and 22% of our net sales for the years ended March 31, 2025, 2024, and 2023, respectively.

Sales to Verizon Communications Inc. represented 19%, 22%, and 24% of our net sales for the years ended March 31, 2024, 2023, and 2022, respectively.

Sales to Verizon Communications Inc. represented 22%, 24%, and 19% of our net sales for the years ended March 31, 2023, 2022, and 2021, respectively.

Sales to Verizon Communications Inc. represented 24%, 19%, and 15% of our net sales for the years ended March 31, 2022, 2021, and 2020, respectively.

(2) Includes revenue attributable to Frontier Communications Corporation retrospectively for all periods presented as a result of the acquisition by Verizon Communications, Inc. on January 20, 2026.

Verizon Communications Inc. (2) 248.2 12.6 % 171.8 13.7 %

During fiscal 2026, we derived approximately 25.4% of our total contract revenues from AT&T Inc., 14.0% from Verizon Communications, Inc. and 10.8% from Lumen Technologies Inc. Revenues for Verizon Communications, Inc. includes revenue attributable to Frontier Communications Corporation retrospectively for all periods presented as a result of its acquisition by Verizon Communications, Inc. on January 20, 2026.

Verizon Communications Inc. (2) 778.1 14.0 % 572.5 12.2 % 585.4 14.0 %

Verizon Communications Inc. 373.8 9.0 % 347.3 9.1 % 352.6 11.3 %

Fiscal Year EndedJanuary 28, 2023January 29, 2022January 30, 2021Amount% of TotalAmount% of TotalAmount% of TotalAT&T Inc. $958.0 25.2 %$735.2 23.5 %$533.7 16.7 %Lumen Technologies483.5 12.7 %373.0 11.9 %542.0 16.9 %Comcast Corporation430.6 11.3 %473.8 15.1 %533.9 16.7 %Verizon Communications Inc.347.3 9.1 %352.6 11.3 %601.6 18.8 %Total other customers combined1,589.1 41.7 %1,195.9 38.2 %988.0 30.9 %Total contract revenues$3,808.5 100.0%$3,130.5 100.0%$3,199.2100.0%

Verizon Communications Inc. 352.6 11.3 % 601.6 18.8 % 728.2 21.8 %

Verizon Communications Inc. $ 601.6 18.8 % $ 728.2 21.8 % $ 599.8 19.2 %

Verizon Communications 14% —% 11% —%

Verizon Communications 13% —% 11% —%

(14) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in the three and six months ended June 30, 2026 and 2025: Three months ended Six months ended June 30, June 30, June 30, June 30, 2026 2025 2026 2025 Verizon Communications Inc. 13% 21% 13% 18%Bharti Telecom Limited 10%* 12%* * Less than 10% of total revenue At June 30, 2026 and December 31, 2025, no customer accounted for 10% or more of the Company’s accounts receivable balance.

(14) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in the three months ended March 31, 2026 and 2025: Three months ended March 31, March 31, 2026 2025 Verizon Communications Inc. 14% 15% Bharti Telecom Limited 14%* * Less than 10% of total revenue At March 31, 2026 and December 31, 2025, no customer accounted for 10% or more of the Company’s accounts receivable balance.

In the year ended December 31, 2025, Verizon Communications Inc. (“Verizon”) accounted for approximately 17% of our revenue.

(14) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in the three and nine months ended September 30, 2025 and 2024: Three months ended Nine months ended September 30, September 30, September 30, September 30, 2025 2024 2025 2024 Verizon Communications Inc. 18% 15% 18% 13% Bharti Telecom Limited 10%* * * * Less than 10% of total revenue At September 30, 2025 and December 31, 2024, no customer accounted for 10% or more of the Company’s accounts receivable balance.

(18) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in at least one of the years ended December 31, 2025, 2024 and 2023: Year ended December 31, 2025 2024 2023 Verizon Communications Inc. 17% 14% 11% At December 31, 2025 and 2024, no customer accounted for 10% or more of the Company’s accounts receivable balance.

Verizon Communications Inc. 21 % 12 % 18 % 11 %

Verizon Communications Inc. 15 % 11 % 13 % 11 %

Verizon Communications Inc. 12 % 11 % 11 % 11 %

Verizon Communications Inc. * 11 %

(19) MAJOR CUSTOMERSThe following customers contributed 10% or more of the Company’s revenue in at least one of the years ended December 31, 2024, 2023 and 2022: Year ended December 31, 2024 2023 2022 Verizon Communications Inc. 14% 11% 15% At December 31, 2024 and 2023, no customer accounted for 10% or more of the Company’s accounts receivable balance.

Verizon Communications Inc. 11 % 13 % 11 % 16 %

Verizon Communications Inc. 11 % 20 % 11 % 17 %

Verizon Communications Inc. 11 % 13 %

Verizon Communications Inc. 13 % 18 % 16 % 17 %

Verizon Communications Inc. 20 % 17 % 17 % 16 %

Verizon Communications Inc. 13 % 16 %

Verizon Communications Inc. 18 % 16 % 17 % 15 %

Verizon Communications Inc. 17 % 15 % 16 % 14 %

Verizon Communications Inc. 16 % 13 %

Verizon Communications Inc. 16 % 15 % 15 % 17 %

Approximately 39% and 11% of the Company’s revenues during the three months ended March 31, 2025, were made to Eneridge Inc. and Verizon Communications Inc., respectively.

Approximately 23% and 16% of the Company’s revenues during the three months ended March 31, 2024, were made to AssetWorks, Inc. and Verizon Communications Inc., respectively.

For fiscal 2023 and 2022, included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which were 10.6% and 11.1% of consolidated net sales, respectively.

For the three and six months ended January 31, 2023, included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which accounted for 11.3% and 11.9% of consolidated net sales, respectively.

For the three months ended October 31, 2022, included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which accounted for 12.5% of consolidated net sales.

Included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which accounted for 11.2% of consolidated net sales for the nine months ended April 30, 2023 and 10.6% and 11.1% of consolidated net sales for the three and nine months ended April 30, 2022, respectively.

Included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which accounted for 11.3% and 11.9% of consolidated net sales for the three and six months ended January 31, 2023, respectively, and 11.1% and 11.4% of consolidated net sales for the three and six months ended January 31, 2022, respectively.

Included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which accounted for 12.5% and 11.7% of consolidated net sales for the three months ended October 31, 2022 and 2021, respectively.

Included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which represented 10.6%, 11.1% and 10.7% of consolidated net sales for fiscal 2023, 2022 and 2021, respectively.

Included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which accounted for 10.6% and 11.1% of consolidated net sales for the three and nine months ended April 30, 2022, respectively, and 11.4% and 11.2% of consolidated net sales for the three and nine months ended April 30, 2021, respectively.

Included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which accounted for 11.1% and 11.4% of consolidated net sales for the three and six months ended January 31, 2022, respectively, and 10.0% and 11.1% of consolidated net sales for the three and six months ended January 31, 2021, respectively.

Included in domestic sales are sales to Verizon Communications Inc. ("Verizon"), which accounted for 11.7% and 12.5% of consolidated net sales for the three months ended October 31, 2021 and 2020, respectively.

Included in domestic sales, are sales to Verizon Communications Inc. ("Verizon"), which represented 10.0% of consolidated net sales for fiscal 2018.

Accounts receivable from Verizon Communications Inc. (Verizon) represented approximately 10% of accounts receivable as of March 31, 2017.

NATIONAL SECURITY EMERGENCY PREPAREDNESS PRIORITY SERVICE 2 CONTRACT WITH VERIZON FY24-FY34.

CENTRALIZED HHS EIS REQUIREMENT

FBI EIS TASK #1 AWARD UNDER GSA EIS CONTRACT

ENTERPRISE INFRASTRUCTURE SOLUTIONS (EIS) PROGRAM - SSA DATA NETWORK SERVICES (SSANET)

THE TFCCEIS TASK ORDER IS TO TRANSITION THE EXISTING TFCC SERVICES FROM THE NETWORX CONTRACT ONTO THE EIS CONTRACT VEHICLE IN A MANNER THAT WILL ENABLE CONTINUITY OF AN ENTERPRISE NETWORK OF TOLL FREE SERVICES FOR THE IRS.

THIS IS A FIXED PRICE WITH ECONOMIC PRICE ADJUSTMENT TASK ORDER FOR THE NATIONAL WEATHER SERVICE FOR TELECOMMUNICATIONS INFRASTRUCTURE TRANSITION TO THE ENTERPRISE INFRASTRUCTURE SOLUTIONS (EIS) IDIQ CONTRACT.

EDUCATION NATIVE AMERICAN NETWORK TRANSPORT SERVICES FOR BUREAU OF INDIAN AFFAIRS AND BUREAU OF INDIAN EDUCATION

GSA - EIS LOCAL TELECOMMUNICATION SERVICES

WIRELESS TELECOMMUNICATIONS SERVICES TO INCLUDE DATA (EMAIL), TELEPHONE/VOICE (INCLUDING VOICEMAIL) AND/OR WIRELESS INTERNET FOR THE VA ENTERPRISE

EIS FO1 - TASK AREA 1 MANAGED NETWORK, DATA, VOICE AND TOLL FREE SERVICES ACROSS MULTIPLE SITES IN THE U.S. THE SCOPE OF THIS DOL REQUIREMENT INCLUDES THE DESIGN, ENGINEERING, PROVISIONING, MANAGEMENT, TRANSITION, MAINTENANCE AND EVOLUTION OF EXISTIN

VERIZON - FY22 NATIONAL WIRELESS CELLULAR DEVICES AND SERVICES FOR DOT

USDA WIRELESS SERVICES AND SERVICE ENABLED DEVICES BLANKET PURCHASE AGREEMENT VERIZON FUNDING

VOICE, DATA, UNIFIED COMMUNICATIONS AND OTHER SERVICES

THE PURPOSE OF THIS CONTRACT IS TO AWARD THE ENTERPRISE INFRASTRUCTURE SOLUTIONS (EIS) FOR THE ACQUISITION AND TRANSITION OF FSA'S DATA AND VOICE TELECOMMUNICATIONS SERVICES. FSA EIS WILL BE RESPONSIBLE FOR PROVIDING EIS MANAGED NETWORK SERVICES.

THE DOE REQUIRES DATA SERVICES TO SUPPORT HQ BASED OPERATIONS AND FIELD SITE ORGANIZATIONS (PRIMARILY CONTINENTAL UNITED STATES (CONUS) WITH A LIMITED NUMBER OF OUTSIDE CONUS (OCONUS) LOCATIONS (HAWAII, ENGLAND, AND JAPAN). THIS INCLUDES BUT IS NOT L

VERIZON WIRELESS - MOBILE SERVICES TRANSITION ORDER

VERIZON WIRELESS DEVICES AND SERVICES

WIRELESS SERVICES - SIX-MONTH TASK ORDER

COMMUNICATION SERVICES

ENTERPRISE INFRASTRUCTURE SOLUTIONS - TELECOM TRANSITION

ENTERPRISE INFRASTRUCTURE SOLUTIONS

TELECOMMUNICATION SERVICES CONSOLIDATED WAN SERVICES

NEW CONTRACT FOR SINET LAYER.2 NETWORK SERVICES AND UNIVERSAL CHARGES

PROCURED GOODS AND/OR SERVICES BETWEEN 22-AUG-20 AND 31-OCT-28 IN SUPPORT OF CONTRACT SOW.

TELECOM CARRIERS

MATERIALS