1 EXHIBIT 9.1 VOTING TRUST AGREEMENT Voting Trust Agreement, dated as of December 1, 1998 (the "Agreement"), among Universal Compression Holdings, Inc. ("Holdings"), each of the stockholders listed on the signature pages hereto (the "Stockholders")...Voting Trust Agreement • February 16th, 1999 • Universal Compression Holdings Inc • Services-equipment rental & leasing, nec • New York
