Nuveen Investments 333 West Wacker, Suite 3300 Chicago, IL 60606 March 10, 2006 BY EDGAR Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Ladies and Gentlemen: Nuveen Commodities Income & Growth Fund Nuveen Commodities Income & Growth Master Fund LLC 1933 Act Registration No. 333-130360 1933 Act Registration No. 333-130360-01 On behalf of the Nuveen Commodities Income & Growth Fund and Nuveen Commodities Income & Growth Master Fund LLC, as co-registrant, (collectively referred to as the "Fund"), we hereby make the following representations: (i) The Fund is responsible for the adequacy and accuracy of the disclosure in its filings with the Securities and Exchange Commission (the "Commission"); (ii) Staff comments or changes to disclosure in response to staff comments in the filings reviewed by the staff do not foreclose the Commission from taking any action with respect to the Fund's filings; and (iii) The Fund acknowledges that it may not assert staff comments as a defense in any proceeding initiated by the Commission or any person under the federal securities laws of the United States. NUVEEN COMMODITIES INCOME AND GROWTH FUND By: Nuveen Commodites Asset Management, LLC its managing owner By: John P. Amboian ------------------------------------------- Director and Principal Executive Officer NUVEEN COMMODITIES INCOME AND GROWTH MASTER FUND LLC By: Nuveen Commodites Asset Management, LLC its managing owner By: John P. Amboian ------------------------------------------- Director and Principal Executive Officer