Nashville Headquarters Dr. Carl E. Adams, Jr., P.E. Mr. Sam E. Shelby, Jr., P.E. 201 Summit View Drive, Suite 300 Brentwood, TN 37027 Venice hotel rooms (615) 377-4775 ph / (615) 377-4976 fax c.adams@ADVENTgrp.com s.shelby@ADVENTgrp.com Washington, D.C. Office The ADVENT Group, Inc. 13873 Park Center Rd, Ste 375 Herndon, VA 20171 (703) 522 9662 (703) 522 2416 fax New England Office Dr. Meint Olthof, P.E. 435 Herringbrook Road Eastham, MA 02642 (508) 240-2900/ (508) 240-2514 m.olthof@ADVENTgrp.com Denver Office Mr. Dean Vlachos, P.E 2801 Youngfield Street, Suite 310 Golden, CO 80401 (303) 989-3327 ph / (303) 989-3512 fx d.vlachos@ADVENTgrp.com Atlanta Office Dr. Eli Miller 2079 Kinsmon Drive Marietta, GA 30062 (770) 552-1783 ph / (516) 382-6496 fax e.miller@ADVENTgrp.com

India Office Mr. Soham Mehta ADVENT ENVIROCARE Technology PVT Ltd. Labh 102, Shukan Towers Nr. Judges; Bungalows Bodakdev, Ahmedabad 380054 79-684-1282 / 6840437 ph 79-6840437 fx ADVENTin@satyam.net.in Israel Office Dr. Eli Miller ADVENT Israel P.O.B. 13307 Tel Aviv, Israel 972-9-955-4046 ph / 972-9-955-3248 fx e.miller@ADVENTgrp.com Brazil Office Mr. Luis Fedeli ADVENT Brazil Limitada Av. Jabaquara, 1802 - 2 andar 04046-300 So Paulo SP Brazil 011-55-1333511414 ph / 011-55-1155947591 fx ADVENTbr@aol.com Venezuela Office Dr. Martin Trnovsky Edificio San Juan Piso 3 Ofc. 3B Av. San Juan Bosco con 2da. Transversal, Altamira Caracas, Venezuela Tel.: (58)-212-263-4161, (58)-243-242-2927 mtrnovsky@telcel.net.ve or m.trnovsky@worldnet.att.net