EXHIBIT 1 MCI COMMUNICATIONS CORPORATION Debt Securities UNDERWRITING AGREEMENT BASIC PROVISIONS MCI Communications Corporation, a Delaware corporation (the "Company"), proposes to issue and sell its senior debt securities (the "Senior Securities")...Underwriting Agreement • April 27th, 1998 • Mci Communications Corp • Telephone communications (no radiotelephone) • New York
Exhibit 99(a) ASSIGNMENT AGREEMENT ASSIGNMENT AGREEMENT, dated as of April 22, 1998 (the "Agreement") between MCI COMMUNICATIONS CORPORATION (the "Company" or "Assignor"), as initial Callholder and as issuer of the 6.125% Callable/Redeemable Notes due...Assignment Agreement • April 27th, 1998 • Mci Communications Corp • Telephone communications (no radiotelephone) • New York
Exhibit 99(b) CALCULATION AGENT AGREEMENT CALCULATION AGENT AGREEMENT dated as of April 22, 1998 (the "Agreement"), between MCI COMMUNICATIONS CORPORATION (the "Company"), as initial Callholder and the issuer of the 6.125% Callable/Redeemable Notes...Calculation Agent Agreement • April 27th, 1998 • Mci Communications Corp • Telephone communications (no radiotelephone) • New York
