EX-1
from SC 13G
1 page
Exhibit 1 Joint Filing Agreement We, the Signatories of the Statement on Schedule 13g to Which This Agreement Is Attached, Do Hereby Agree That Such Statement Is, and Any Amendments Thereto Filed by Any of US Will Be, Filed on Behalf of Each of US. Dated: January 12, 1999 Energy Management Corporation By: /S/ David A. Persing Name: David A. Persing Title: Senior Vice President Pengo Industries, Inc. By: /S/ David A. Persing Name: David A. Persing Title: Senior Vice President Solvation Inc. By: /S/ David A. Persing Name: David A. Persing Title: Senior Vice President Pengo, L.L.C. By: /S/ David A. Persing Name: David A. Persing Title: Senior Vice President John W. Adams By: /S/ John W. Adams Name: John W. Adams Page 13 of 13 Pages
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