Gen-Probe executed well in its clinical diagnostics business during 2006, generating sales of $171 million, up a strong 21% compared to 2005. The Company’s nucleic acid tests (NATs) are used by laboratories to detect the microorganisms that cause sexually transmitted diseases (STDs), tuberculosis, strep throat and other infectious diseases. By detecting the genetic sequences that are unique to each of these microorganisms, Gen-Probe’s assays offer more accurate and rapid results than traditional methods such as culture and antibody testing. In 2006, Gen-Probe’s clinical diagnostics growth was driven by the APTIMA family of products. The Company’s best-selling