[Large accelerated filer [ ] Accelerated filer [x] Non-accelerated filer [ ] U.S. GAAP [x] International Financial Reporting Standards as issued Other [ ] by the International Accounting Standards Board [ ] Item 17 [ ] Item 18 [ ] Yes [ ] No [x] TABLE OF CONTENTS PART I Item 1. Identity of Directors, Senior Management and Advisors 2] [2 Significant Subsidiaries of O 2 O 2 O 2 O 2 O 2 O 2 O 2 O] [CERTIFICATION I, Sterling Du, certify that: 1. 2 I have reviewed this Annual Report on Form 20-F of O 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,] [CERTIFICATION I, Perry Kuo, certify that: 1. 2 I have reviewed this Annual Report on Form 20-F of O 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,] [2 O CERTIFICATION 2 (1) (2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company at the dates and for the periods indicated. Sterling Du Chief Executive Officer Perry Kuo Chief Financial Officer and Principal Accounting Officer] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 2 We consent to the incorporation by reference in Registration Statement Nos. 333-12670, 333-12672, 333-98425, 333-101452, 333-107975, 333-116596, 333-132251, 333-153436, 333-162489 and 333-210794 on Form S-8 of our reports dated April 28, 2016, relating to the consolidated financial statements of O ------------------------------------ Deloitte & Touche Taipei, Taiwan Republic of China April 28, 2016]