Irvine, CA, December 5, 2002 – CAS Medical Systems Inc. (CAMY), a full service medical device company, and Masimo Corporation, innovator of motion and low perfusion-tolerant pulse oximetry, today announced the signing of a purchasing and licensing agreement to incorporate Masimo Signal Extraction Technology® into future CAS Medical Systems vital signs monitors with pulse oximetry functionality. CAS will integrate Masimo’s MS-7 pulse oximetry module in its multi-parameter monitors, including the new Model 740 monitor that measures blood pressure, pulse oximetry and temperature, to enable Masimo SET® performance.

“CAS Medical was founded on the philosophy of providing innovative technologies to our customers and their patients while meeting the highest standards for product quality, service and performance,” stated Louis P. Scheps, President and CEO of CAS Medical Systems, Inc. “We are pleased to partner with Masimo because they share this commitment to offering enhanced patient outcomes through advanced state-of-the-art medical technologies. The integration of Masimo SET into CAS monitors means we will be able to supply our customers with a truly significant advance in pulse oximetry technology to improve the quality of patient care.”

“We are proud to have CAS Medical Systems as a partner. CAS chose to integrate Masimo SET because of the technology’s unprecedented fidelity, sensitivity and specificity,” stated Joe E. Kiani, Chairman and CEO of Masimo Corporation. “Over 50 independent clinical studies have shown that Masimo’s proprietary technology gives superior performance compared with all other next generation and conventional technologies.”

Founded in 1984, CAS Medical Systems, Inc. (Branford, CT), designs, manufactures and markets medical products with a specific emphasis in neonatal intensive care, blood pressure measurement equipment, and apnea monitoring equipment. The company’s products are designed to improve the quality of patient care and to provide exceptional value and performance. With a reputation for the highest quality products available in the markets it serves, CAS’ products are used by clinicians worldwide. Additional information about CAS Medical Systems and its products is available on the company’s website: www.casmed.com.