UNIROYAL TECHNOLOGY CORPORATION EXHIBIT 21.1 Subsidiaries of Uniroyal Technology Corporation The following table sets forth, with respect to each subsidiary of the Company, the state of organization and the percentage of voting securities currently owned by the Company: Percentage of Voting Securities Directly or Subsidiary Name State of Organization Indirectly Owned by the Company - --------------- --------------------- ------------------------------------------- Uniroyal HPP Holdings, Inc. Delaware 100% High Performance Plastics, Inc. Delaware (a) ViPlex Corporation Florida (b) Uniroyal Optoelectronics, Inc. Delaware 100% Uniroyal Optoelectronics, LLC Delaware (c) ULC Corp. Delaware 100% <FN> (a) A wholly-owned subsidiary of Uniroyal HPP Holdings, Inc. (b) A wholly-owned subsidiary of High Performance Plastics, Inc. (c) A joint venture with Emcore Corporation whereby Uniroyal Optoelectronics, Inc. is a 51% owner. </FN>