[O2Micro Reports Third Quarter 2015 Financial Results GEORGE TOWN, Grand Cayman, Nov. 4, 2015 (GLOBE NEWSWIRE) -- Operational and Strategic Highlights Company experienced strong design activity in solutions for backlighting, general lighting, and battery markets Expects revenue to be flat to down 7 percent sequentially in the fourth quarter of fiscal year 2015. 2 ® O Financial Highlights for the] [FORM 6-K November 2015 000-30910 O2Micro International Limited Grand Pavilion Commercial Centre, West Bay Road Note: Note: O2Micro International Limited Chief Executive Officer 6-K 1 document.htm FORM 6-K FILING DOCUMENT]

[O2Micro to Announce Third Quarter 2015 Results 2 ® GEORGE TOWN, Grand Cayman, Oct. 7, 2015 (GLOBE NEWSWIRE) -- O The press release will be followed by a conference call at 6:00 a.m. (PST), 9:00 a.m. (EST). You may participate using the following dial-in information. In the US and CANADA: 800-505-9568, pass code #967965 INTERNATIONAL participants: 416-204-9271, pass code #967965] [FORM 6-K October 2015 000-30910 O2Micro International Limited Grand Pavilion Commercial Centre, West Bay Road Note: Note: O2Micro International Limited Chief Executive Officer 6-K 1 document.htm FORM 6-K FILING DOCUMENT]

[O2Micro Revises Third Quarter 2015 Financial Guidance 2 ® GEORGE TOWN, Grand Cayman, Oct. 6, 2015 (GLOBE NEWSWIRE) -- O The reduction in anticipated revenue for the third quarter is primarily the result of weaker than anticipated sales by our major customers in TV and Monitors. Due to the market conditions, these customers are also maintaining lower than normal inventories.] [FORM 6-K October 2015 000-30910 O2Micro International Limited Grand Pavilion Commercial Centre, West Bay Road Note: Note: O2Micro International Limited Chief Executive Officer 6-K 1 document.htm FORM 6-K FILING DOCUMENT]

[O2Micro Reports Second Quarter 2015 Financial Results GEORGE TOWN, Grand Cayman, July 30, 2015 (GLOBE NEWSWIRE) – Operational and Strategic Highlights Company experienced strong design activity in solutions for backlighting, general lighting, battery, smartphone and tablet markets; expecting products to continue to ramp in the second half of 2015 Anticipated higher overall gross margin levels reflect cash breakeven level estimate] [FORM 6-K July 2015 000-30910 O2Micro International Limited Grand Pavilion Commercial Centre, West Bay Road Note: Note: O2Micro International Limited Chief Executive Officer 6-K 1 document.htm FORM 6-K FILING DOCUMENT]