Shareholders of Anadarko Petroleum and Union Pacific Resources voted to 
approve a 
$5.4 billion merger of the two companies yesterday. The merger calls for UPR 
shareholders 
to receive 0.455 shares of Anadarko common stock for each of their UPR 
shares. Anadarko 
shareholders also voted to increase the size of the company's board to 15 
members from 
nine. The combined company will be named Anadarko Petroleum.