Exhibit 99.7 JOINT FILING AGREEMENT The undersigned agree that this Schedule 13D filing herewith relating to securities of WorldWater Corp. is filed jointly on behalf of each of the undersigned pursuant to Rule 13d-1(k). Dated: February 9, 2004Joint Filing Agreement • February 10th, 2004 • Toledano Udi • Services-engineering services
Contract Type FiledFebruary 10th, 2004 Company IndustryThe undersigned agree that this Schedule 13D filing herewith relating to securities of WorldWater Corp. is filed jointly on behalf of each of the undersigned pursuant to Rule 13d-1(k).