EXHIBIT 23(A) CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Prospectus constituting part of this Registration Statement on Form S-3 of our report dated February 27, 1996 appearing in Item 8 of Amoco Corporation's Annual Report on Form 10-K for the year ended December 31, 1995. We also consent to the reference to us under the heading "Experts" in such Prospectus. PRICE WATERHOUSE LLP Chicago, Illinois January 15, 1997