Stock Trading History of Manner Douglas Glenn

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Manner Douglas Glenn since year 2005. The trader's CIK number is 1303088. At the time of this reporting, Manner Douglas Glenn is the of Rio Vista Energy Partners Lp . (stock ticker symbol RVEP). See this page for all insider trading activities at Rio Vista Energy Partners Lp .

Stock purchases, sales, and option exercises reported by insider *Manner Douglas Glenn* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-03-07	RVEP	Rio Vista Energy Partners Lp	Option Exercise	5,000	12.51	62,550

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Manner Douglas Glenn ( of Rio Vista Energy Partners Lp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.