In 1939, the first modification gave the Arabian American Oil Company a greater area to search for oil and extended the concession until 1949, increasing the original deal by six years.
1939年，第一次修改给了阿拉伯美国石油公司更大面积的石油勘探地区，并延长了特许权，直​​到1949年，原来的交易增加了六年。