Media advisory: Domtar to hold an Analyst and Investor Day

Montreal, August 21, 2007 – Domtar Corporation today announced it will hold its “2007 Analyst and Investor Day” at the Marriott MeadowView Conference Resort in Kingsport, Tennessee on Monday, September 10, 2007 at 1:00 p.m. (EDT). To register for the event, please go to: www.register123.com/event/profile/form/index.cfm?PKformID=0x422162cb45

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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