EXHIBIT 3 VOTING AGREEMENT VOTING AGREEMENT, dated as of December 4, 2003 (the "Agreement"), between Micro Therapeutics, Inc., a Delaware corporation (the "Company"), and Micro Investment, LLC, a Delaware limited liability company (the "Stockholder")....Voting Agreement • December 8th, 2003 • Micro Investment LLC • Surgical & medical instruments & apparatus • Delaware
by and amongNote Purchase Agreement • December 8th, 2003 • Micro Investment LLC • Surgical & medical instruments & apparatus • New York
