Company: STAA
Filing Date: 2025-09-05
Form Type: DEFA14A
Source: 0001193125-25-197213
Chunk: 4

Company: STAAR SURGICAL CO
Filing Date: 2025-09-05
Form: DEFA14A
Chunk 4
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 would be entitled to receive $5,000 (i.e., 500 shares multiplied by the difference of $28-$18=$10), less applicable tax withholding. |

| • |     | Out-of-the-money                                                                                                      
 options: Upon the closing of the merger, any out-of-the-money options (i.e., options with an exercise price of $28 or 
 more) will be cancelled and no payment will be made.                                                                  |

| 9. | What will happen to my STAAR long-term cash awards? |

| 10. | What will happen to my STAAR restricted stock units (RSUs)? |

| • |     | Upon the closing of the merger, any RSUs you hold that were granted before August 4, 2025 will vest and be                                       
 cancelled in exchange for a cash payment equal to $28 for each share subject to such RSUs, without interest and less applicable tax withholding. |

| • |     | Upon the closing of the merger, any RSUs you hold that are granted on or after August 4, 2025 will generally                                                                                                                                           
 be converted into Alcon RSUs covering a number of Alcon shares of equivalent value calculated based on the merger consideration of $28 per share and otherwise subject to the same terms and conditions as apply to your STAAR RSUs immediately before 
 the closing.                                                                                                                                                                                                                                           |

| 11. | What will happen to my STAAR performance stock units (PSUs)? |

| • |     | Upon the closing of the merger, your PSUs will vest and be cancelled in exchange for a cash payment in an amount                                            
 equal to $28 for each share subject to such PSUs, without interest and less applicable tax withholding, with performance deemed achieved at 160% of target. |

| 12. | Can I sell my shares of STAAR stock before the closing of the merger? |

| • |     | Yes, trading (i.e., selling or buying) shares of STAAR common stock by STAAR employees is permitted                       
 in accordance with STAAR’s Insider Trading Policy, subject to applicable blackout periods and pre-clearance requirements. |

| • |     | This applies to all shares of STAAR that you own, including shares that you may have received pursuant to the 
 vesting of RSUs and PSUs, or issued upon exercise of STAAR stock options.                                     |

| • |     | As a reminder, under insider trading laws and regulations and STAAR’s Insider Trading Policy, trading in