How was the Amoco stock converted after merger with BP?

After the merger between Amoco and BP in 1998, Amoco shareholders received BP shares in exchange for their Amoco stock. Specifically, for each share of Amoco, shareholders received 1.305 BP shares. This conversion was part of the transaction that allowed BP to expand its presence in the U.S. market and create one of the largest oil and gas companies in the world. The merger was valued at approximately $48 billion at the time.