Supplement dated April 9, 2007 to Prospectus dated January 3, 2007

Filed Pursuant to Rule 424(b)(3)
Registration Nos. 333-135422
333-135422-01
333-135422-02
333-135422-03
333-135422-04
333-135422-05
333-135422-06
333-135422-07
333-135422-08
333-135422-09
333-135422-10
333-135422-11
333-135422-12
333-135422-13
333-135422-14
333-135422-15

POWERSHARES DB MULTI-SECTOR COMMODITY TRUST

POWERSHARES DB ENERGY FUND

POWERSHARES DB OIL FUND

POWERSHARES DB PRECIOUS METALS FUND

POWERSHARES DB GOLD FUND

POWERSHARES DB SILVER FUND

POWERSHARES DB BASE METALS FUND

POWERSHARES DB AGRICULTURE FUND

DB MULTI-SECTOR COMMODITY MASTER TRUST

DB ENERGY MASTER FUND

DB OIL MASTER FUND

DB PRECIOUS METALS MASTER FUND

DB GOLD MASTER FUND

DB SILVER MASTER FUND

DB BASE METALS MASTER FUND

DB AGRICULTURE MASTER FUND

SUPPLEMENT DATED APRIL 9, 2007

TO

PROSPECTUS DATED JANUARY 3, 2007

This Supplement updates certain disclosure set forth in the Prospectus dated January 3, 2007, as supplemented from time-to-time (the “Prospectus”) of PowerShares DB Multi-Sector Commodity Trust (the “Trust”), PowerShares DB Energy Fund, PowerShares DB Oil Fund, PowerShares DB Precious Metals Fund, PowerShares DB Gold Fund, PowerShares DB Silver Fund, PowerShares DB Base Metals Fund, PowerShares DB Agriculture Fund (collectively, the “Funds”), DB Multi-Sector Commodity Master Trust, DB Energy Master Fund, DB Oil Master Fund, DB Precious Metals Master Fund, DB Gold Master Fund, DB Silver Master Fund, DB Base Metals Master Fund and DB Agriculture Master Fund. All capitalized terms used in this Supplement have the same meaning as in the Prospectus.

Prospective investors in the Funds should review carefully the contents of both this Supplement and the Prospectus.

1. The initial paragraph under the sub-heading “Principals and Key Employees” on page 114 of the Prospectus is hereby deleted and replaced, in its entirety, by the following:

“Kevin Rich, Gregory Collett and Martin Kremenstein serve as the Chief Executive Officer and Principal Financial Officer, Chief Operating Officer and Vice President of the Managing Owner, respectively.”

2. The biography of Kevin Rich set forth on page 114 of the Prospectus is hereby deleted and replaced, in its entirety, with the following:

Kevin Rich joined Deutsche Bank AG in June 2003 and serves as a Director in the Global Currency & Commodities Complex Risk Group with responsibility for providing currency and commodity-based investor solutions to the DB sales force in the Americas. Mr. Rich serves as an associated person, principal, Chief Executive Officer and Principal Financial Officer of the Managing Owner and as an associated person of Deutsche Bank Securities Inc. Prior to joining Deutsche Bank, Mr. Rich was a Regional Vice President from November 2002 through May 2003 in Product Distribution for Claymore Securities, Inc. (“Claymore”), responsible for distribution of closed-end funds and unit investment trusts in the State of New York. Mr. Rich acted as an independent product development consultant prior to joining Claymore (August through October, 2002). From January 2000 through July 2002, Mr. Rich worked at Lehman Brothers, Inc. Mr. Rich served in several roles supporting the equities, fixed income and investment banking product lines. Mr. Rich received his MBA in Finance from the New York University Leonard N. Stern School of Business in 1996 and his Bachelors of Science in Business Administration from Taylor University in Upland, Indiana in 1983.”

3. The biography of Gregory Collett set forth on page 114 of the Prospectus is hereby deleted and replaced, in its entirety, with the following:

Gregory Collett served as Vice President and Counsel in the Legal Department of Deutsche Bank AG from October 2002 through June 2006, where he worked primarily with the Commodities Group to build Deutsche Bank’s power and gas trading and commodity funds businesses. Mr. Collett joined the Global Currency & Commodities Complex Risk Group in June 2006 with responsibility for providing currency and commodity based investor solutions to the DB sales force in the Americas and serves as a principal and Chief Operating Officer of the Managing Owner. Mr. Collett also serves as an associated person of Deutsche Bank Securities Inc. From March 2000 through October 2002, Mr. Collett was an associate with the law firm of Sidley Austin LLP in New York, and prior to that he was an attorney-advisor with the Commodity Futures Trading Commission from October 1998 to February 2000. Since 2003, Mr. Collett has served on the Futures Industry Association’s Law & Compliance Executive Committee. Mr. Collett received his J.D. from George Washington University Law School in 1997 and his B.A. from Colgate University in 1993.”

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All information in the Prospectus is restated pursuant to this Supplement, except as updated hereby.

 


Neither the Securities and Exchange Commission nor any state securities commission

has approved or disapproved of these securities or determined if this Prospectus is

truthful or complete. Any representation to the contrary is a criminal offense.

 


THE COMMODITY FUTURES TRADING COMMISSION HAS NOT PASSED UPON THE MERITS OF PARTICIPATING IN THIS POOL NOR HAS THE COMMISSION PASSED UPON THE ADEQUACY OR ACCURACY OF THIS DISCLOSURE DOCUMENT.

 


DB COMMODITY SERVICES LLC

Managing Owner