This news release constitutes a 'designated news release” for the purposes of the Company’s prospectus supplement dated May 30, 2025 to its short form base shelf prospectus dated May 15, 2025.

Amphenol returns the remainder of its excess capital to shareholders. Amphenol pays a quarterly dividend, and has maintained a dividend payout ratio above 25% since 2019. Amphenol also conducts ...