EXHIBIT A --------- Agreement of Joint Filing ------------------------- The undersigned hereby agree that they are filing jointly pursuant to Rule 13d-1(f)(1) of the Securities Exchange Act of 1934 the statement dated May 13, 1997, containing the...Joint Filing Agreement • May 13th, 1997 • Unocal Corp • Petroleum refining
The undersigned hereby agree that they are filing jointly pursuant to Rule 13d-1(f)(1) of the Securities Exchange Act of 1934 the statement dated May 13, 1997, containing the information required by Schedule 13D. As of the date hereof, neither Unocal Corporation nor Union Oil Company of California owns any shares of Common Stock of Tosco Corporation.
