Press Release Oct 5, 2017

Minsur Selects Jacobs to Lead Pre-Feasibility and Conceptual Studies for Tin Mine Development Project

DALLAS--(BUSINESS WIRE)-- Jacobs Engineering Group Inc. (NYSE:JEC) has been selected by Minsur S.A., one of the world’s largest tin producers, to perform the pre-feasibility and conceptual studies for the company’s proposed tin mine development project in Peru. Both the conceptual and pre-feasibility studies are being undertaken to extend the life of Minsur’s San Rafael tin processing facilities located near Puno, Peru.

The objective of the pre-feasibility study is to define the highest value option for accessing the richest tin zone in the proposed project location and will include structural geology, geotechnical services, hydrogeology and tunneling design. The conceptual study will include mine development, infrastructure, water management, metallurgical test support and upgrades to the existing concentrator to process tin ore that also contains copper and silver.

“Leveraging our 70 years of experience developing mining and metals projects, Jacobs delivers end-to-end project solutions to develop, expand and treat simple and complex ore bodies,” said Jacobs Mining & Minerals and Specialty Chemicals Senior Vice President and General Manager Andrew Berryman. “The partnered facility expansion of this project will support sustainability efforts for future production.”

Minsur is a Peru-based mining company engaged in the extraction, smelting and refining of tin. Additionally, the company produces ore gold and copper, lead and zinc concentrates, and is also involved in the exploration for new minerals deposits with a focus on copper, gold, silver and polymetallic ores.

Jacobs is one of the world’s largest and most diverse providers of full-spectrum technical, professional and construction services for industrial, commercial and government organizations globally. The company employs over 54,000 people and operates in more than 25 countries around the world. For more information, visit www.jacobs.com.

Statements made in this release that are not based on historical fact are forward-looking statements. We base these forward-looking statements on management’s current estimates and expectations as well as currently available competitive, financial and economic data. Forward-looking statements, however, are inherently uncertain. There are a variety of factors that could cause business results to differ materially from our forward-looking statements. For a description of some of the factors which may occur that could cause actual results to differ from our forward-looking statements please refer to our Form 10-K for the year ended September 30, 2016, and in particular the discussions contained under Items 1 - Business, 1A - Risk Factors, 3 - Legal Proceedings, and 7 - Management's Discussion and Analysis of Financial Condition and Results of Operations. We do not undertake to update any forward-looking statements made herein.

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Source: Jacobs Engineering Group Inc.

Jacobs Engineering Group Inc.



Salim Rahimi, 214-583-8428