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Penn West Exploration to Present at Bank of America Merrill Lynch 2011 Global Energy Conference Nov 10, 2011 06:47PM
Notable Analyst Rating Changes 09/15: NETL, PWE, RDC, EQR Upgraded; ARNA, MU, NOK, TYC Downgraded Sep 15, 2010 11:05AM
Merrill Lynch Downgrades Penn West (PWE) to Neutral Sep 22, 2008 08:04AM
Merrill Lynch Upgrades Penn West Energy Trust (PWE) to Buy Mar 6, 2008 07:32AM