General Information

The transfer agent maintains the records of registered common and exchangeable stockholders and can help with a variety of stockholder related services, including: estate settlement, lost stock certificates, change of name or address, stock transfers; and duplicate mailings.

Stockholders having such inquiries or wishing to obtain assistance should contact the transfer agent at:

Computershare Investor Services
P.O. Box 43078
Providence RI 02940-3078
Phone: (877) 282-1168 (within the US)
 (781) 575-2723 (outside US)

Stockholders wishing to email Computershare Investor Services should go through the website at www.computershare.com

Canadian stockholders should contact the transfer agent at:

Computershare Investor Services Inc.
100 University Ave., 9th Floor
Toronto, Ontario M5J 2Y1
Phone: (866) 245-4053
www.investorcentre.com/service 

Domtar Corporation

Common Stock
Ticker: UFS (New York Stock Exchange and Toronto Stock Exchange)
CUSIP: 257559203

At March 31, 2013, Domtar Corporation had a total of 33,767,245 of common stock issued and outstanding.

Domtar (Canada) Paper Inc.

Exchangeable Shares
Ticker: UFX (Toronto Stock Exchange)
CUSIP: 257557207
 
At March 31, 2013, Domtar (Canada) Paper Inc. had a total of 602,814 exchangeable shares issued and outstanding. These exchangeable shares are intended to be substantially the economic equivalent to shares of our common stock and are currently exchangeable at the option of the holder on a one-for-one basis for shares of our common stock.

As such, the total combined number of common stock and exchangeable shares issued and outstanding was 34,370,059 at March 31, 2013.