Company: STAA
Filing Date: 2025-12-10
Form Type: DEFA14A
Source: 0001193125-25-313008
Chunk: 2

Company: STAAR SURGICAL CO
Filing Date: 2025-12-10
Form: DEFA14A
Chunk 2
---
., options with an exercise price of less than $30.75 per share), in an amount equal to the excess of $30.75 over the applicable 
 per share exercise price, without interest and less applicable tax withholding.                                                                                                                                                                                                                                                                                                            |

| • |     | Example: If you hold options to purchase 500 shares of STAAR common stock (whether unvested or vested and                                                                                             
 not yet exercised) with an exercise price of $18.75, you would be entitled to receive $6,000 (i.e., 500 shares multiplied by the difference of $30.75 -$18.75 =$12), 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 $30.75 
 or more) will be cancelled and no payment will be made.                                                               |

| • |     | Upon the closing of the merger, any STAAR RSUs you hold (regardless of whether granted before 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 $30.75 per share and otherwise subject to the same terms and conditions as apply to your STAAR 
 RSUs immediately before the closing.                                                                                                                                                                                                                   |

| • |     | STAAR RSUS that are converted into Alcon RSUs will maintain their existing vesting terms. For example, if you                                                                                                                                        
 have a STAAR RSU that is subject to vesting as to 1/3 on each of March 14, 2026, 2027 and 2028, any tranches that are scheduled to vest after the closing of the merger will continue to vest on their original vesting date (but will be settled in 
 Alcon shares upon vesting).                                                                                                                                                                                                                          |

| • |     | Upon the closing of the merger, your STAAR PSUs will generally be converted into Alcon RSUs covering a number of                                                                                                                                       
 Alcon shares of equivalent value (with performance deemed achieved at 100% of target and the PSUs earned as of the closing of the merger) calculated based on the merger consideration of $30.75 per share and otherwise subject to the same terms and 
 conditions as apply to your STAAR PSUs immediately before the closing (except that performance conditions will no longer apply).                                                                                                                       |

| • |     |