Company: AAOI
Filing Date: 2025-02-28
Form Type: PRE 14A
Source: 0001104659-25-019126
Chunk: 3

Company: APPLIED OPTOELECTRONICS, INC.
Filing Date: 2025-02-28
Form: PRE 14A
Chunk 3
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 Chief Legal and Compliance Officer and Corporate Secretary

[ ], 2025

TABLE OF CONTENTS

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE SPECIAL MEETING OF STOCKHOLDERS TO BE HELD ON [ ], 2025: The Notice of Special Meeting of Stockholders and Proxy Statement are available at www.proxyvote.com. Attending the Special Meeting The Special Meeting will be held at 13139 Jess Pirtle Blvd., Sugar Land, TX 77478. • Doors open at [ ] a.m. Central Time. • Meeting starts at [ ] a.m. Central Time. • Attendance at the Special Meeting is limited to our stockholders, their proxyholders and guests of the Company. Proof of Company stock ownership and photo identification is required to attend the Special Meeting. • The use of cameras or other audio or video recording devices is not allowed. Questions

| For Questions Regarding:                                 | ​ | ​ | Contact:                                                          | ​ |
| Special Meeting                                          | ​ | ​ | Applied Optoelectronics, Inc. Investor Relations at IR@ao-inc.com 
 Alliance Advisors at AAOI@allianceadvisors.com                    
 Toll-free: (833) 215-7318                                         | ​ |
| Stock ownership for registered holders submit your proxy | ​ | ​ | Continental Stock Transfer & Trust Company at (800) 509-5586      
 (within the U.S. and Canada) or (212) 509-4000 (worldwide)        
 or at cstmail@continentalstock.com                                | ​ |
| Stock ownership or voting for beneficial holders         | ​ | ​ | Please contact your bank, broker or other nominee                 | ​ |
| Voting for registered holders                            | ​ | ​ | Applied Optoelectronics, Inc. Investor Relations at IR@ao-inc.com | ​ |

TABLE OF CONTENTS

Applied Optoelectronics, Inc.
Table of Contents

| ​ | Proxy Statement For Special Meeting Of Stockholders                                        | ​ | ​ | ​ | ​ |   1 | ​ | ​ |
| ​ | The Special Meeting                                                                        | ​ | ​ | ​ | ​ |   1 | ​ | ​ |
| ​ | Proposal No. 1 Approval of the Amended and Restated 2021 Equity Incentive Plan             | ​ | ​ | ​ | ​ |   4 | ​ | ​ |
| ​ | Proposal No. 2 Approval of the Adjournment of the Special Meeting                          | ​ |