Chapman and Cutler LLP 111 West Monroe Street Chicago, Illinois 60603 December 5, 2014 Mr. Edward Bartz Division of Investment Management Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Re: Guggenheim Defined Portfolios, Series 1262 Global 100 Dividend Strategy Portfolio, Series 1 File Nos. 333-199758 and 811-03763 ------------------------------------------------------------------------------- Dear Mr. Bartz: This letter is in response to your comments given during a telephone conversation with our office regarding Amendment No. 1 to the registration statement on Form S-6 for Guggenheim Defined Portfolios, Series 1262, filed on December 3, 2014 with the Securities and Exchange Commission (the "Commission"). The registration statement offers the Global 100 Dividend Strategy Portfolio, Series 1 (the "Trust"). PROSPECTUS Investment Summary -- Security Selection -- International 50 Dividend Strategy 1. Please disclose how the final portfolio will be selected if less than 50 securities are available for the International 50 Dividend Strategy. Please also clarify whether the securities in the portfolio will be equally-weighted across the Trust. Response: The disclosure has been revised in response to your comment. We appreciate your prompt attention to this registration statement. If you have any questions or comments or would like to discuss our responses to your questions please feel free to contact the undersigned at (312) 845-3484. Very truly yours, CHAPMAN AND CUTLER LLP By /s/ Morrison C. Warren ------------------------- Morrison C. Warren