MARK THOMAS & COMPANY - FOURTH AMENDMENT (#2023416)

Fourth Amendment Page 1 FOURTH AMENDMENT TO AGREEMENT This Fourth Amendment to Agreement ("Fourth Amendment") is entered into this 4th day of November 2025 by the City of Pleasanton ("City") and Mark Thomas and Company, Inc. ("Consultant”). Whereas, on December 6, 2022, the City and Consultant entered into a Professional Services Agreement (“Agreement”) for Civil Engineering Consulting Services for a not to exceed amount of $524,145; and Whereas, on June 14, 2024, the City and Consultant executed the First Amendment to the agreement, extending the term of the agreement to August 1, 2024, to complete the 35 percent design plans; and Whereas, on July 16, 2024, the City and Consultant executed the Second Amendment to the agreement to expand the scope of work to include 100 percent design plans and biddable construction documents, increase the contract maximum to a new not-to-exceed amount of $2,773,516.15, and extend the term of the agreement to December 31, 2025; and Whereas, on October 21, 2025, the City and Consultant executed the Third Amendment to the agreement to further expand the scope of work on the 100 percent design plans to a new not-to-exceed amount of $2,995,689.59, and extend the term of the agreement to December 31, 2026; and Whereas, the City received a $750,000 grant from Alameda County Transportation Commission to complete the design for Phase 2 of the West Las Positas Multimodal Reconstruction Project; and Whereas, the City has allocated $250,000 in Measure BB Direct Local Distribution funding as the local match to the Alameda County Transportation Commission grant; and Whereas, the parties desire to further extend the scope and compensation amount of the Agreement. Now, therefore, in exchange for valuable consideration, the receipt of which is hereby acknowledged, the parties agree as follows: 1. Section 1, “Consultant Services” of the agreement is amended to include additional services for the completion of Phase 2 of the West Las Positas Multimodal Reconstruction Project as outlined in Exhibit 1, Scope of Work. 2. Section 5, “Compensation” of the agreement is amended to read: The compensation is increasing by $999,954.25 for a new total compensation amount of $3,995,643.84. Total compensation for services and reimbursement for costs shall not exceed this total unless parties agree pursuant to Section 8; Docusign Envelope ID: 13052E52-7AE9-4FA9-885F-4547DF464456