Form 4 Filing for Lincoln Electric Holdings Inc.

Kathryn Jo Lincoln, a Director at Lincoln Electric Holdings Inc., acquired 688 common shares on April 17, 2026. The shares were acquired at a price of $0.0 per share, with a post-transaction total of 34,770 shares. This transaction is related to a restricted stock unit award. Additionally, a Power of Attorney document (Exhibit 24) was filed, appointing Jennifer I. Ansberry, Gabriel Bruno, Michael Quinn, and Susan Prewitt as attorneys-in-fact to sign and file Section 16 and Rule 144 reporting forms on behalf of Ms. Lincoln. This power of attorney remains valid until December 31, 2026.