Tuesday, September 16, 2008 8:47:19 AM
Monthly as of 6/30/08 Top 10 Index Companies1 Weight
http://www.proshares.com/funds/dug.html?Index
Exxon Mobil Corp. 24.40%
Chevron Corp. 10.59%
ConocoPhillips 6.93%
Schlumberger Ltd. 6.59%
Occidental Petroleum Corp. 3.80%
Devon Energy Corp. 2.59%
Transocean Inc. 2.48%
Halliburton Co. 2.41%
Apache Corp. 2.38%
Marathon Oil Corp. 1.90%
http://www.proshares.com/funds/dug.html?Index
Exxon Mobil Corp. 24.40%
Chevron Corp. 10.59%
ConocoPhillips 6.93%
Schlumberger Ltd. 6.59%
Occidental Petroleum Corp. 3.80%
Devon Energy Corp. 2.59%
Transocean Inc. 2.48%
Halliburton Co. 2.41%
Apache Corp. 2.38%
Marathon Oil Corp. 1.90%
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