X0609 4 2026-04-23 0 0001038074 SILICON LABORATORIES INC. SLAB 0001764515 Luther Sherri R false 111 SW FIFTH AVE SUITE 700 PORTLAND OR 97204 1 0 0 0 0 Common Stock, $0.0001 par value 2026-04-23 4 A 0 962 0 A 6701 D Reflects the grant of restricted stock units (RSUs) that will entitle Reporting Person to receive one (1) share of common stock per RSU. The RSUs will vest completely on the earlier of (i) the first (1st) anniversary of the date of grant, and (ii) the date one day prior to the Annual Meeting of Stockholders in the year following the grant date. Saie-Yau Hui for Sherri Luther 2026-04-23