Exhibit 4(b)(2) March 24, 1998 Securities and Exchange Commission Judiciary Plaza 450 Fifth Street, N.W. Washington, D.C. 20549 Re: Texas Utilities Electric Company 1997 Annual Report on Form 10-K ------------------------------- Gentlemen: Pursuant to the exemption afforded by Item 601(b)(4)(iii)(A) of Regulation S-K, Texas Utilities Electric Company (Company) is not filing as exhibits to its Annual Report on Form 10-K for 1997 instruments with respect to its long-term debt consisting of pollution control revenue bonds, as the aggregate amounts represented thereby do not exceed 10% of the total assets of the Company and its subsidiaries on a consolidated basis. Reference is made to Note 8 to Consolidated Financial Statements (included in Appendix A of the Company's Annual Report on Form 10-K for 1997). The Company agrees to furnish a copy of the above instruments to the Securities and Exchange Commission upon request. Sincerely, /s/ J. W. Pinkerton ------------------------------------------- J. W. Pinkerton Controller and Principal Accounting Officer