Group room rates are now valid until February 1, 2008, 5PM EST. So act now to

reserve your room at this special price. The simplest and most convenient

way to reserve your room is to register online. You may also call the hotel

directly: +202-429-1700 or 1-800-westin1 and use the Group Code: BLACK HAT

Registration website:

http://www.starwoodmeeting.com/StarGroupsWeb/booking/reservation?id=0710170314&key=324DE

Rooms & Rates:

Single/Double: $219 per night single and double occupancy

Westin Washington DC City Center:

Address: 1400 M Street NW, Washington DC, 20005

Telephone: +202-429-1700 or 1-800-westin1