Keith Marks has been appointed Executive Vice President and Manager, Risk Engineering Services, Commercial Insurance, for Chubb North America based in Chicago. In his new role, Mr. Marks will oversee the design and delivery of risk engineering service programs for commercial customers in North America and provide leadership for the risk engineering Executive Specialists for workers compensation, casualty, commercial auto, property, and environmental insurance as well as the Market Segment team. Over the past 12 months, Chubb's global risk engineering professionals further strengthened the group's reputation as a champion for risk mitigation by making about 21,000 site visits and spending some 250,000 hours to help clients control risks and the costs associated with a potential loss.

"I am excited to have Keith lead our North America Risk Engineering Services team as they continue to expand their positive impact on our clients' management of risk," said Paul O'Neill, Executive Vice President and Chief Underwriting Officer, Property and Specialty for Chubb North America.

Mr. Marks most recently served as Senior Vice President, North America Field Operations for Chubb Risk Engineering Services. Prior to ACE's acquisition of Chubb in January 2016, he was Vice President, Western Territory Loss Control Manager for Chubb. Mr. Marks joined legacy Chubb in 1997 after working as a safety engineer for a major environmental services consulting firm. He earned a Bachelor of Science degree in Environmental Health from Illinois State University and a Master of Science degree in Industrial Management from Northern Illinois University.

Mr. Marks will report to Mr. O'Neill. He will also have a reporting relationship to Christopher A. Maleno, Division President, North America Major Accounts, and to Steven R. Pozzi, Division President, Commercial Insurance,Chubb North America.

Navakas Promoted to Executive Vice President

Raimund Navakas has been named Executive Vice President and will continue to lead the Risk Engineering Practice for Chubb's Overseas General Insurance division based in New York. Mr. Navakas is responsible for leading the global property risk engineering team and supporting the international property and casualty business with oversight for risk engineering program business, technical research, risk engineering product development, and Chubb's Loss Control University fire lab.

Prior to ACE's acquisition of Chubb in January 2016, Mr. Navakas relocated from Australia to the United Statesto serve as Senior Vice President, Global Property Engineering. Mr. Navakas joined legacy ACE in 2009 in theSydney office as Asia Pacific Regional Risk Engineering Manager. Prior to joining legacy ACE, he worked as the director of casualty risk engineering for a global insurance company and served as an engineering officer in the Royal Australian Navy. Mr Navakas holds Bachelor of Engineering and Master of Commerce degrees from theUniversity of New South Wales in Sydney.

Mr. Navakas will continue to report to David Furby, Division President, Commercial Property and Casualty for the Overseas General Insurance division, and Joseph S. Clabby, Division President, Bermuda and Global Accounts.

"Keith and Rai are both talented leaders with a deep understanding of an expansive array of risks and committed to continually delivering tremendous value to our customers," said Mr. O'Neill. "Chubb's Risk Engineering Services is a Center of Excellence offering deep bench strength and global risk engineering service solutions to help our clients succeed in today's highly competitive markets."

Global Risk Engineering Services Offers Deep Industry Expertise

Chubb Risk Engineering Services offers commercial customers an in-house global network of more than 400 risk engineers worldwide providing thought leadership and practical advice on emerging hazards, risk assessment, and risk control. For more than 70 years, Chubb's Risk Engineering Services professionals have focused on identifying exposures, assessing existing procedures, and working with customers to improve their efforts to mitigate losses that can result in property damage and injuries.

Risk Engineering Services offers businesses interested in keeping property and people safer:

• Customized risk management programs and services—from sprinkler system analysis to worker safety and cyber risk mitigation—designed to strengthen strategies across the enterprise
• Deep expertise and benchmarking analytics in many industries including mixed occupancy real estate, medical device manufacturers, clean tech companies, and cultural institutions
• Online customized client services and a library of risk management information accessible from any device
• Loss Control University training and educational resources for fire protection

About Chubb

Chubb is the world's largest publicly traded property and casualty insurance company. With operations in 54 countries, Chubb provides commercial and personal property and casualty insurance, personal accident and supplemental health insurance, reinsurance and life insurance to a diverse group of clients. As an underwriting company, we assess, assume and manage risk with insight and discipline. We service and pay our claims fairly and promptly. The company is also defined by its extensive product and service offerings, broad distribution capabilities, exceptional financial strength and local operations globally. Parent company Chubb Limited is listed on the New York Stock Exchange (CB) and is a component of the S&P 500 index. Chubb maintains executive offices in Zurich, New York, London and other locations, and employs approximately 31,000 people worldwide. Additional information can be found at: new.chubb.com.