Bismarck-Mandan has been chosen to host the 18th annual Williston Basin Petroleum Conference & Expo in 2010.

The conference rotates between Canada and North Dakota. In 2008, approximately 1,500 people attended in Minot, representing 27 states and four countries.

In 2010, when the conference and expo return to North Dakota, the Bismarck-Mandan attendance numbers are expected to grow to as many as 2,500 attendees and exhibitors.

The conference and expo will be held at the Bismarck Civic Center.