0001104659-26-110002 Sample Contracts

MEMBERSHIP INTEREST PURCHASE AGREEMENT DATED AS OF SEPTEMBER 22, 2026 BY AND AMONG MANTIS NEWCO, LLC, AS SELLER AND WILLDAN ENERGY SOLUTIONS, INC. AS BUYER

Membership Interest Purchase Agreement • September 23rd, 2026 • Willdan Group, Inc. • Services-engineering services • Delaware

• Contract Type
  Membership Interest Purchase Agreement
• Filed
  September 23rd, 2026
• Company
  Willdan Group, Inc.
• Industry
  Services-engineering services
• Jurisdiction
  Delaware

This MEMBERSHIP INTEREST PURCHASE AGREEMENT (including its exhibits, the Disclosure Schedules and any other Schedules and Exhibits hereto, as any of the same may be amended or supplemented from time to time, this “Agreement”), dated as of September 22, 2026, (the “Execution Date”), is by and among Mantis NewCo, LLC, a Delaware limited liability company (“Seller”), and Willdan Energy Solutions, Inc., a California corporation (“Buyer”). Seller and Buyer are each referred to herein individually as a “Party” and collectively as the “Parties”.