W. R. Grace & Co Investor Presentation — February 2021

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Fourth Quarter and Full-Year

2020 Earnings Presentation

February 9, 20212021 W. R. Grace & Co. | 2Statement Regarding Safe Harbor For Forward-Looking Statements

This announcement contains forward-looking statements, that is, information related to future, not past, events. Such statements generally include the words “believes,”

“plans,” “intends,” “targets,” “will,” “expects,” “suggests,” “anticipates,” “outlook,” “continues,” or similar expressions. Forward-looking statements include, without limitation,

statements regarding future: financial positions; results of operations; cash flows; financing plans; business strategy; operating plans; capital and other expenditures;

impact of COVID-19 on Grace's business; competitive positions; growth opportunities for existing products; benefits from new technology; benefits from cost reduction

initiatives; succession planning; and markets for securities. For these statements, Grace claims the protections of the safe harbor for forward-looking statements contained

in Section 27A of the Securities Act and Section 21E of the Exchange Act. Grace is subject to risks and uncertainties that could cause actual results or events to differ

materially from its projections or that could cause other forward-looking statements to prove incorrect. Factors that could cause actual results or events to differ materially

from those contained in the forward-looking statements include, without limitation: risks related to foreign operations, especially in areas of active conflicts and in emerging

regions; the costs and availability of raw materials, energy and transportation; the effectiveness of Grace's research and development and growth investments;

acquisitions and divestitures of assets and businesses; developments affecting Grace’s outstanding indebtedness; developments affecting Grace's pension obligations;