Investor FAQ

1.Where are the corporate offices located?
2.How do I receive a copy of Grace’s annual report?
3.Where is your stock traded?
4.What is your ticker symbol?
5.How do I accurately calculate the cost basis for my Grace shares?
6.When is Grace's fiscal year end?
7.When are Grace’s earnings announcement dates?
8.Who are Grace’s independent auditors?
9.Who is your transfer agent?
10.How do I find out how many shares of Grace stock I own?
11.How do I transfer ownership of stock into my name?
12.I know that I own shares of Grace stock, but I do not have certificates; what does that mean?
13.I have lost my stock certificate, what do I do?
14.I have another question, that hasn’t been answered.
1.Where are the corporate offices located?
 The corporate offices of W. R. Grace & Co. are located in Columbia, Maryland, USA.

2.How do I receive a copy of Grace’s annual report?
 You may select from electronic versions of Grace’s Annual Reports. Alternatively, please complete the form available on the Request Materials page, and we will mail you a copy.

3.Where is your stock traded?
 W. R. Grace & Co. stock is traded on the New York Stock Exchange (NYSE).

4.What is your ticker symbol?
 The W. R. Grace & Co. ticker symbol is GRA.

5.How do I accurately calculate the cost basis for my Grace shares?
 NetBasis Cost Basis system

6.When is Grace's fiscal year end?
 W. R. Grace & Co.’s fiscal year is based on the calendar year, with the last day of the fiscal year on December 31.

7.When are Grace’s earnings announcement dates?
 Upcoming earnings announcement dates can be found on our Events and Presentations page.

8.Who are Grace’s independent auditors?
 PricewaterhouseCoopers LLP
1800 Tysons Boulevard
McLean, Virginia 22102-4261, USA

9.Who is your transfer agent?
 Wells Fargo Shareowner Services addresses:

Wells Fargo Shareowner Services
P.O. Box 64874
St. Paul, MN 55164-0874

or

Wells Fargo Shareowner Services
1110 Centre Pointe Curve, Suite 101
Mendota Heights MN 55120-4100

Wells Fargo Shareowner Services website:
shareowneronline.com
Wells Fargo Shareowner Services phone number:
800-648-8392 (Toll free number)
651-450-4064 (Outside the US)

10.How do I find out how many shares of Grace stock I own?
 Please send an email to investor.relations@grace.com or contact Grace’s transfer agent, Wells Fargo, at one of the numbers listed below and a representative will assist you.

Wells Fargo Shareowner Services phone number:
800-648-8392 (Toll free number)
651-450-4064 (Outside the US)

11.How do I transfer ownership of stock into my name?
 You may go online to shareowneronline.com and print out the Stock Power and Transfer Instructions paperwork, from the Download Forms section.

You may also call their shareowner services line at one of the numbers listed below and a representative will assist you.

Wells Fargo Shareowner Services phone number:
800-648-8392 (Toll free number)
651-450-4064 (Outside the US)

12.I know that I own shares of Grace stock, but I do not have certificates; what does that mean?
 This could mean that your shares of Grace stock are being held in Book Entry form with either Wells Fargo or with your broker. Book Entry is safer for the stockholder since paper certificates can be lost, stolen or destroyed.

13.I have lost my stock certificate, what do I do?
 Lost stock certificate replacement documentation can be obtained from Wells Fargo. There is a replacement fee that is determined by the value of the shares that have been lost. When filled out, some documents must be signed in front of a notary. To request the paperwork, please call their shareowner services line at one of the numbers listed below and a representative will assist you.

Wells Fargo Shareowner Services phone number:
800-648-8392 (Toll free number)
651-450-4064 (Outside the US)

14.I have another question, that hasn’t been answered.
 Please submit additional questions via email to investor.relations@grace.com, by calling +1 410.531.4167 or my mail to:

W. R. Grace & Co.
Investor Relations
7500 Grace Drive
Columbia, Maryland 21044, USA