The 2010 SPE National Conference will be held at Philadelphia Marriott Downtown, 1201 Market Street, Philadelphia, PA, 19107. Room rate is $169. The reservation deadline has been extended to February 19, 2010. Rooms fill up fast so reserve your room now! Click here to reserve your room. Don't want to reserve online? Call the designated reservation line: 1-800-266-9432. Be sure to tell them you are reserving a room at the Philadelphia Marriott Downtown for the SPE conference, March 4-7!