1 EXHIBIT 4.3 AMENDMENT TO RIGHTS AGREEMENT AMENDMENT, dated as of July 3, 1997 to the Rights Agreement dated as of February 1, 1996, between Sun Company, Inc. and First Chicago Trust Company of New York, as Rights Agent (the "Rights Agreement")....Rights Agreement • July 8th, 1997 • Sun Co Inc • Petroleum refining
1 EXHIBIT 4 AMENDMENT TO RIGHTS AGREEMENT AMENDMENT, dated as of July 3, 1997 to the Rights Agreement dated as of February 1, 1996, between Sun Company, Inc. and First Chicago Trust Company of New York, as Rights Agent (the "Rights Agreement")....Rights Agreement • July 8th, 1997 • Sun Co Inc • Petroleum refining