Company: AAOI
Filing Date: 2025-06-02
Form Type: DEFA14A
Source: 0001104659-25-055505
Chunk: 4

Company: APPLIED OPTOELECTRONICS, INC.
Filing Date: 2025-06-02
Form: DEFA14A
Chunk 4
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 the bank, broker, or other nominee has not received voting instructions to vote on Proposals No. 1 and
3, the shares will not be considered to have been voted with respect to such matters, but will be considered present for the purposes
of establishing quorum for the Annual Meeting. Your bank, broker, or other nominee will vote your shares of common stock on Proposals
No. 1 and 3 only if you provide instructions on how to vote by following the instructions they provide to you. Accordingly, we encourage
you to vote promptly, even if you plan to attend the Annual Meeting.

| 2. | The description of prior “PROPOSAL NO. 5 — TO CONSIDER AND VOTE ON THE AMENDMENT OF                                                  
 OUR CERTIFICATE OF INCORPORATION TO INCREASE THE NUMBER OF AUTHORIZED SHARES OF CAPITAL STOCK AND COMMON STOCK” beginning on page 48 
 of the Proxy Statement is amended to (i) renumber each reference to “Proposal No. 5” therein to refer instead to                     
 “Proposal No. 4” and (ii) revise each reference to “Appendix C” therein to refer instead to “Appendix                                
 B”.                                                                                                                                  |

| 3. | The following paragraph under the description of prior “PROPOSAL NO. 5 — TO CONSIDER AND VOTE ON THE AMENDMENT OF OUR         
 CERTIFICATE OF INCORPORATION TO INCREASE THE NUMBER OF AUTHORIZED SHARES OF CAPITAL STOCK AND COMMON STOCK” on page 50 of the 
 Proxy Statement is amended and restated as follows:                                                                           |

Vote Required and Board of Directors Recommendation

The affirmative vote of the
holders of a majority of the outstanding shares of capital stock of the Company entitled to vote thereon shall be required to approve
this Proposal No. 4. Abstentions will have the same effect as votes AGAINST Proposal No. 4. Your bank, broker, or other nominee
will have discretion to vote any uninstructed shares on this proposal.

<div align='center'>3</div>

APPENDIX B

<div align='center'>SHARE INCREASE AMENDMENT TO
AMENDED AND RESTATED CERTIFICATE OF INCORPORATION</div>

Amend the first sentence of ARTICLE IV as
follows:

“The total number of shares of
capital stock which the Corporation shall have authority to issue is ,000,000, of which (i) ,000,000
shares shall be a class designated as common stock