Rogers Corporation Investor Presentation — February 2018

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Q4 2017 Earnings Call

February 27, 2018Forward -looking statements

2Safe Harbor Statement

This presentation contains forward -looking statements, which may concern our plans, objectives, outlook, goals, strategies, fut ure events, future net sales or performance, capital expenditures, financing

needs, future restructuring, plans or intentions relating to expansions, business trends and other information that is not hi storical information. All forward -looking statements are based upon information

available to us on the date of this release and are subject to risks, uncertainties and other factors, many of which are outs ideof our control, which could cause actual results to differ materially from the

results discussed in the forward- looking statements. Risks that could cause such results to differ include: failure to capitali ze on, and volatility within, the Company's growth drivers, including internet

connectivity, clean energy, and safety and protection, as well as specific market and industry trends within these growth driver s; business, economic and political conditions in the United States and

abroad, particularly in China, South Korea, Germany, Hungary and Belgium, where we maintain significant manufacturing, sales or administrative operations; fluctuations in foreign currency exchange

rates; research and development efforts; competitive developments; business development transactions and related integration con siderations; the outcome of ongoing and future litigation, including our

asbestos- related product liability litigation; and changes in laws and regulations applicable to our business. For additional i nformation about the risks, uncertainties and other factors that may affect our

business, please see our most recent annual report on Form 10 -K and any subsequent quarterly reports on Forms 10 -Q filed with the Securities and Exchange Commission. Rogers Corporation assumes no

responsibility to update any forward -looking statements contained herein except as required by law.

Non -GAAP Information

This presentation includes the following financial measures that are not presented in accordance with generally accepted account ing principles in the United States of America (“GAAP”):

(1) Adjusted earnings per diluted share, which the Company defines as earnings per diluted share excluding acquisition- related amort ization of intangible assets and discrete items, such as

restructuring expenses, certain impairments, environmental accrual adjustments, acquisition and related integration costs, non- recurring tax changes, asbestos -related charges, and gains or

losses on asset or business dispositions (collectively, “Discrete Items”)