0001193125-05-193607 10-K 11 20050630 20050929 20050929 OSI SYSTEMS INC 0001039065 3674 330238801 CA 0630 10-K 34 000-23125 051109731 12525 CHADRON AVE HAWTHORNE CA 90250 3109780516 12525 CHADRON AVENUE HAWTHORNE CA 90250 10-K 1 d10k.htm FORM 10-K EX-10.18 2 dex1018.htm FIRST AMENDMENT TO LEASE (A) EX-10.19 3 dex1019.htm FIRST AMENDMENT TO LEASE (B) EX-10.21 4 dex1021.htm SECOND AMENDED AND RESTATED CREDIT AGREEMENT EX-14.1 5 dex141.htm CODE OF ETHICS EX-21.1 6 dex211.htm SUBSIDIARIES OF THE COMPANY EX-23.1 7 dex231.htm CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM EX-31.1 8 dex311.htm CERTIFICATION OF CEO PURSUANT TO SECTION 302 EX-31.2 9 dex312.htm CERTIFICATION OF CFO PURSUANT TO SECTION 302 EX-32.1 10 dex321.htm CERTIFICATION OF CEO PURSUANT TO SECTION 906 EX-32.2 11 dex322.htm CERTIFICATION OF CFO PURSUANT TO SECTION 906