Company: STAA
Filing Date: 2025-12-09
Form Type: DEFA14A
Source: 0001193125-25-311988
Chunk: 2

Company: STAAR SURGICAL CO
Filing Date: 2025-12-09
Form: DEFA14A
Chunk 2
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 that each restricted stock unit award of the Company that was awarded prior to August 4, 2025 or that is held by a director, and each performance-based restricted stock unit award of the Company (“Company PSU Award”), will be converted into a restricted stock unit award of Alcon Inc. in respect of a number of ordinary shares, nominal value CHF 0.04 per share, of Alcon Inc. (“Alcon shares”) calculated based on the value of the Merger Consideration relative to the trading price of Alcon shares prior to the closing of the Merger, with Company PSU Award performance deemed to be earned at 100% of target, and otherwise generally subject to the same terms and conditions (except that director awards will become vested at the closing of the Merger); and (ii) eliminates any 280G gross-upsand related tax indemnification arrangements to be entered into by the Company in connection with the Merger. The foregoing description of the Amendment does not purport to be complete and is qualified in its entirety by reference to the full text of the Amendment, which is filed as Exhibit 2.1 to this report and is incorporated herein by reference. A copy of the Amendment has been included to provide investors with information regarding its terms and is not intended to provide any factual information about the Company, Alcon or Merger Sub.

| Item 9.01. | Financial Statements and Exhibits. |

| Exhibit 
 No.     
 2.1     |     | Description of                                                                                                                                             
 Exhibit                                                                                                                                                    
 Amendment No. 2 to Agreement and Plan of Merger, dated December 9, 2025, between STAAR Surgical Company, Alcon Research, LLC and Rascasse Merger Sub, Inc. |
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| 104     |     | Cover Page Interactive Data File (embedded within the Inline XBRL document).                                                                               |

Additional Information About the Merger and Where to Find It This communication relates to the proposed transaction involving the Company. In connection with the proposed transaction, the Company has filed relevant materials with the U.S. Securities and Exchange Commission (the “SEC”), including the Company’s definitive proxy statement on Schedule 14A (the “Proxy Statement”) on September 16, 2025. The Proxy Statement was first sent to Company stockholders on September 16, 2025 and was thereafter supplemented. This communication is not a substitute for the Proxy Statement or any other document that the Company may file with the SEC