Press Releases

-- Fourth Quarter Record Revenues of $171 million -- Operating Cash Flow of $9 million for Q4 Fiscal 2008 -- Expected EPS Growth of 45% to 65% in Fiscal 2009

Sales Growth of 13%

HAWTHORNE, Calif., Jan 29, 2009 (BUSINESS WIRE) -- OSI Systems, Inc. (NASDAQ:OSIS): Earnings Per Share GAAP: $0.24 (20% increase over prior year) Non-GAAP: $0.34 (26% increase over prior year) Record Backlog of $239 Million Q2 Cash Flow from Operations of $18 Million Fiscal 2009 Non-GAAP EPS

HAWTHORNE, Calif., Apr 30, 2009 (BUSINESS WIRE) -- OSI Systems, Inc. (NASDAQ:OSIS): Earnings Per Share GAAP: $0.15 Non-GAAP: $0.24 (20% increase over prior year) Company raises earnings guidance to $0.85 - $0.93 per share (15%-25% growth) Operating cash flow increases by $50 million for the first

FY 09 Non-GAAP Earnings Per Share Increases 23% to $0.91 (GAAP $0.63)Fourth quarter Non-GAAP EPS of $0.29 (GAAP $0.24)FY 2010 Non-GAAP Earnings Guidance of 15% - 30% growthRecord Free Cash Flow of $34 million for Fiscal 2009

Q1 FY 2010 Earnings Per Share of $0.14 vs. $0.01 in prior yearCompany raises FY 2010 earnings guidance to $1.14 - $1.23 per share (25%-35% growth)Company provides FY 2010 revenue guidance of $620 - $640 millionRecord Security Backlog of $146 million

Q2 FY 2010 Earnings Per ShareGAAP of $0.39 (63% Increase over Prior Year)Non-GAAP: $0.41 (20% Increase over Prior Year)Fiscal 2010 Earnings Guidance Increased to $1.23 - $1.32 Per Share (35% - 45% Growth)Reaffirm FY 2010 Revenue Guidance of $620 Million to $640 Million (19% - 26% Growth in the Second Half of FY 2010)Record Backlog of $240 Million

Q3 FY 2010 Earnings Per Share GAAP of $0.33 (120% increase over prior year) Non-GAAP: $0.36 (50% increase over prior year) Security division reports sales growth of 23% Fiscal 2010 earnings guidance increased to $1.30 - $1.36 per share (43% - 50% growth) Q4 FY 2010 revenue guidance of 10% - 20% growth

HAWTHORNE, Calif., Aug 25, 2010 (BUSINESS WIRE) -- OSI Systems, Inc. (NASDAQ: OSIS): Q4 FY 2010 Revenue Growth of 19% Q4 FY 2010 Earnings per Share Non-GAAP EPS of $0.47 (62% increase over prior year) GAAP EPS $0.42 (75% increase over prior year) Record Backlog of $240 million FY 2011 Non-GAAP

Q1 FY 2011 Earnings Per Share GAAP of $0.18 (29% increase over prior year) Non-GAAP of $0.19 (36% increase over prior year) Record Backlog of $308 million (a 28% increase from June) Company raises FY 2011 earnings guidance to $1.70 - $1.82 per share (22%-31% growth) Company raises FY 2011 revenue guidance to $645 - $660 million