Filed Pursuant to Rule 424(b)(2) Registration File No 33-61297 PRICING SUPPLEMENT NO. 4 Dated October 9, 1996 to Prospectus dated September 8, 1995. BALTIMORE GAS AND ELECTRIC COMPANY $225,000,000 Medium-Term Notes, Series D Due from 1 year to 30 years from Date of Issue (Interest Payable May 1 and November 1) Principal Amount: $25,000,000 $25,000,000 Interest Rate: 6.68% 6.68% Original Issue Date: 10/11/96 10/11/96 Stated Maturity: 10/11/2001 10/11/2001 Initial Redemption Date (if any): None None Price to Public: $25,000,000 $25,000,000 Agent's Commission: $125,000 $125,000 Net Proceeds to Company: $24,875,000 $24,875,000 This Pricing Supplement relates to the original issuance and sale by Baltimore Gas and Electric Company (the "Company") of the Medium-Term Notes, Series D, described herein through Lehman Brothers or Goldman, Sachs & Co., as agents. Medium-Term Notes, Series D, may be issued under Registration Statement No. 33-61297 (which also serves as Post- Effective Amendment No. 1 to Registration Statement No. 33-57704) by the Company in a principal amount of up to $225,000,000 in gross proceeds and, to date, including this offering, an aggregate of $78,000,000 has been issued.