Industry Veteran R. Scott Greer Joins Inogen Board

SANTA BARBARA, Calif., April 17 /PRNewswire/ -- Medical device manufacturer Inogen, Inc. announced today that R. Scott Greer has joined the company's board of directors. Mr. Greer, a managing director of Numenor Ventures, LLC, brings significant operational and financial management experience to Inogen.

"Scott has been active in the life sciences industry for over 20 years. His experience and insight in building and running health care and biotech companies will be invaluable and will provide the company additional strategic depth. We look forward to having his expertise on the board," said Kathy Odell, CEO of Inogen.

"This is an exciting time for me to join Inogen's Board of Directors," said Mr. Greer. "With its innovative portable oxygen concentrator technology, Inogen is poised for significant growth and I look forward to helping the company meet its aggressive plans."

Since June 2004, Mr. Greer has served as Managing Director of Numenor Ventures, LLC, a venture capital firm based in Santa Barbara, California. Mr. Greer founded Abgenix, Inc., a biotechnology company focused on developing and commercializing human antibody based therapeutics, in 1996. He took Abgenix public in 1998 and served as its CEO through 2004 and chairman through its sale to Amgen, Inc. for over $2.1 billion in 2006. In 2003, following a venture capital led recapitalization, Mr. Greer invested in and joined the board of publicly traded Sirna Therapeutics, Inc. Initially serving as audit committee chairman, he was elected chairman of the Sirna board in February 2006. In December 2006, Merck acquired Sirna for approximately $1.1 billion. Mr. Greer currently serves as chairman of Acologix, Inc., a development stage biotechnology company. Prior to Abgenix's formation, Mr. Greer held senior management positions at Cell Genesys, Inc., including Senior Vice President, Corporate Development and Chief Financial Officer and various positions at Genetics Institute, Inc. Mr. Greer received a B.A. in Economics from Whitman College and an M.B.A. degree from Harvard University. Mr. Greer also was a Certified Public Accountant.

Inogen is innovation in oxygen therapy. With a team of known leaders in the provider industry, deep experience in medical devices, talented engineers and associates each committed to revolutionizing oxygen therapy, our vision is to develop innovative, cost effective respiratory home healthcare equipment that improves quality of life for patients and bottom line profits for providers. And we are proud to introduce our first commitment to that vision: The Inogen One.

One Solution: The single solution for home and away, for today and tomorrow, for patients and provider.

                                www.inogen.net

SOURCE Inogen, Inc.

Released April 17, 2007