Ethics Hotline

As part of the company's Business Ethics Policies, the Board of Directors has established a confidential hotline that employees, customers, vendors or other interested persons can use to anonymously report violations of, or express concerns regarding compliance with, any of the company's ethics policies (including, but not limited to, any matters involving accounting, internal accounting controls, audit matters or fraud).

The hotline is available toll-free from more than 30 countries and is staffed 24x7 by multilingual case managers.

In addition to the hotline, you may express your concerns or inquire about Grace's Corporate Governance by contacting:

1. Your normal contact at the company; or
2. The General Counsel and Chief Ethics Officer (listed below); or
3. The Chair of the Audit Committee (listed below); or
4. The Chair of the Nominating and Governance Committee (listed below).

Mark A. Shelnitz
Vice President, General Counsel and Secretary & Chief Ethics Officer
7500 Grace Drive
Columbia, MD 21044
+1 410.531.4000

Mark E. Tomkins
Chairman of the Audit Committee of W. R. Grace & Co.
824 Sheridan Road
Wilmette, IL 60091
+1 312.914.9799

Thomas A. Vanderslice
Lead Independent Director and
Chair, Nominating and Governance Committee
c/o 7500 Grace Drive
Columbia, MD 21044