Common Contracts

ADTRAN HOLDINGS, INC.

Performance Shares Agreement • April 7th, 2026 • ADTRAN Holdings, Inc. • Telephone & telegraph apparatus

• Contract Type
  Performance Shares Agreement
• Filed
  April 7th, 2026
• Company
  ADTRAN Holdings, Inc.
• Industry
  Telephone & telegraph apparatus

This Performance Shares Agreement (this “Agreement”) sets forth the specified terms of ADTRAN Holdings, Inc.’s grant of the target number of Restricted Stock Units (“Performance Shares”) as it set forth in the Morgan Stanley StockPlan Connect (the “Portal”) to the applicable grantee named in the Portal (the “Participant”) pursuant to the ADTRAN Holdings, Inc. 2024 Employee Stock Incentive Plan (the “Plan”) as of the date of grant set forth in the Portal (the “Date of Grant”). All capitalized terms used but not defined herein shall have the meanings ascribed to such terms in the Plan.

ADTRAN HOLDINGS, INC.

Performance Shares Agreement • April 7th, 2026 • ADTRAN Holdings, Inc. • Telephone & telegraph apparatus

• Contract Type
  Performance Shares Agreement
• Filed
  April 7th, 2026
• Company
  ADTRAN Holdings, Inc.
• Industry
  Telephone & telegraph apparatus

This Performance Shares Agreement (this “Agreement”) sets forth the specified terms of ADTRAN Holdings, Inc.’s grant of the target number of Restricted Stock Units (“Performance Shares”) as it set forth in the Morgan Stanley StockPlan Connect (the “Portal”) to the applicable grantee named in the Portal (the “Participant”) pursuant to the ADTRAN Holdings, Inc. 2024 Employee Stock Incentive Plan (the “Plan”) as of the date of grant set forth in the Portal (the “Date of Grant”). Unless otherwise specified, all capitalized terms used but not defined herein shall have the meanings ascribed to such terms in the Plan.