Certain Commodity ProShares Affected by London's Shift to Standard Time on 10/30/2011

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Since London reverts back to "standard time" one week earlier than New York, we need to temporarily change NAV calculation times and cutoff times for Authorized Participants (AP) to create/redeem shares for ProShares ETFs tied to three benchmarks: Silver, Gold, and the Dow Jones-UBS Commodity IndexSM.1

From October 30 through November 6, 2011, most NAV calculation times and AP cutoff times will move forward one hour. After November 6, 2011, when New York "falls back" one hour our standard times will resume.

ProShares ETF Ticker Symbol AP Create/Redeem Cutoff Time NAV Calculation Time
Standard 10/30–11/6/2011 Standard 10/30–11/6/2011
Ultra Silver AGQ 6:00 a.m. ET 7:00 a.m. ET 7:00 a.m. ET 8:00 a.m. ET
UltraShort Silver ZSL
Ultra Gold UGL 9:00 a.m. ET 10:00 a.m. ET 10:00 a.m. ET 11:00 a.m. ET
UltraShort Gold GLL
Ultra DJ-UBS Commodity UCD 10:45 a.m. ET 11:45 a.m. ET 2:30 p.m. ET 2:30 p.m. ET
UltraShort DJ-UBS Commodity CMD

Oct 1, 2011

1 Silver and Gold ETFs are based on pricing set in London. The DJ-UBS Commodity Index includes items traded on the London Metals Exchange (Aluminum, Nickel, Zinc).