Domtar Corporation (NYSE/TSX: UFS) rings opening bell at the NYSE

Montreal, April 17, 2007 – Domtar Corporation announced today that it will be ringing the New York Stock Exchange opening bell this morning at 9:30am ET to celebrate the Company’s recent listing on the New York Stock Exchange (NYSE).

"This is a period of exciting growth for our company and I am proud of our association with the New York Stock Exchange as it raises our Company's profile in the capital markets" said President and Chief Executive Officer Raymond Royer. "With sales of $7 billion, market capitalization of $5 billion, operations in 38 states in the U.S. and more than 80 strategically located paper distribution facilities, Domtar is positioned to bring long-term value to shareholders, customers and employees" added Raymond Royer.

Domtar Corporation was officially created March 7, 2007 following the combination of Domtar Inc. and the Fine Paper business and related assets of Weyerhaeuser Company. The backbone of the new company consists of six highly efficient world-class uncoated freesheet mills that provide two-thirds of its nearly five million tons of annual capacity. These mills, combined with a solid mix of specialty facilities, make the new company one of the most efficient and cost-competitive paper companies in North America. The Company has broad North American reach and a wide range of well-known business and commercial printing paper brands. With its access to volume, depth of product offerings, and service through a wide geographic footprint, the Company is in a position to meet the needs of large and small customers alike throughout the United States and Canada. It will maintain environmental leadership, notably by expanding its environmentally and socially responsible papers such as the Domtar EarthChoice® product line.

A live webcast of The Opening Bell (beginning at 9:25 a.m.) will be available at www.nyse.com.

Domtar Corporation (NYSE/TSX: UFS) is the largest integrated producer of uncoated freesheet paper and one of the largest manufacturers of papergrade market pulp in North America. The Company designs, manufactures, markets and distributes a wide range of business, commercial printing, publication as well as technical and specialty papers with recognized brands such as First Choice®, Domtar Microprint®, Windsor Offset®, Cougar® as well as its full line of environmentally and socially responsible papers, Domtar EarthChoice®. Domtar owns and operates Domtar Distribution Group, an extensive network of strategically-located paper distribution facilities. Domtar also produces lumber and other specialty and industrial wood products. The Company employs nearly 14,000 people. To learn more, visit www.domtar.com.

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