Willie Green added 15 points in place of Allen Iverson, Lou Williams had 14, and Samuel Dalembert finished with 10 points and 13 rebounds for the Sixers (17-31), who have won two in a row. They are still just 8-16 at home.
Iverson missed the game because one of his children is ill. The All-Star guard is expected back Friday night at New Orleans. In 25 games since returning to the Sixers, Iverson has averaged 14.4 points.
Derrick Rose scored 13 of his 30 points in the fourth quarter and overtime, and Luol Deng and John Salmons had 17 each for the Bulls (23-24), who had their five-game road winning streak snapped. Those five wins came against teams with winning records, which set an NBA record. Kirk Hinrich added 13 points, and Tyrus Thomas had 12 for Chicago.
Rose hit two free throws to tie it at 98 with 1:41 left in overtime.
On Philadelphia's next possession, Iguodala hit a 3-pointer from the top of the key for a 101-98 lead. After a miss by Rose, Green connected on a short jumper for a 103-98 lead with 50.8 seconds remaining.
The Sixers pulled away from there for a rare victory at the Wachovia Center.
Iguodala had a chance to put the Sixers ahead with 6.7 seconds left in regulation, but he converted the first free throw and missed the second, tying it at 94. Brand then missed a short jumper from the baseline.
Rose had one last shot for Chicago and his 18-footer from the baseline fell short, forcing overtime.
NOTES: Sixers C Samuel Dalembert said he plans to visiting his home country of Haiti during the All-Star break. It will be Dalembert's second trip since the devastating earthquake in Haiti. ... Nine Bulls saw action in the first quarter.
