Exhibit 32.3
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
The undersigned, Hans Ephraimson, Chief Executive Officer of DB Commodity Services LLC, the Managing Owner of DB Base Metals Master Fund (the “Master Fund”), a series of DB Multi-Sector Commodity Master Trust, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:
| (1) | The Master Fund’s Quarterly Report on Form 10-Q for the period ended March 31, 2010, as filed with the Securities and Exchange Commission on the date hereof (the “Quarterly Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and |
| (2) | The information contained in the Quarterly Report fairly presents, in all material respects, the financial condition and results of operations of the Master Fund. |
| Dated: June 25, 2010 | /s/ Hans Ephraimson | |||
| Hans Ephraimson | ||||
| Chief Executive Officer |
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