Stock Trading History of Hayworth William F

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 Hayworth William F since year 2005. The trader's CIK number is 1323720. At the time of this reporting, Hayworth William F is the President & COO of Prb Gas Transportation, Inc. (stock ticker symbol PRB).

Stock purchases, sales, and option exercises reported by *Hayworth William F* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-02-20	PRB	Prb Gas Transportation, Inc.	Purchase	5,000	3.20	16,000
2007-01-29	PRB	Prb Gas Transportation, Inc.	Purchase	5,000	3.70	18,499
2007-01-26	PRB	Prb Gas Transportation, Inc.	Purchase	600	3.58	2,148
2007-01-24	PRB	Prb Gas Transportation, Inc.	Purchase	5,000	3.42	17,099
2007-01-19	PRB	Prb Gas Transportation, Inc.	Purchase	5,000	2.99	14,947

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 Hayworth William F (President & COO of Prb Gas Transportation, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.