LISNE and LISPE share buyback at SIX; Total purchases 950 shares worth CHF 9,009,940

LISNE and LISPE share buyback at SIX; Total purchases 950 shares worth CHF 9,009,940

Trading day in May 2026 Daily LISNE bought; NUMBER Daily LISNE bought; VWAPrice in CHF Daily purchases value in CHF Daily purchses high / low in CHF With KER? Daily LISPE bougth; NUMBER Daily LISPE bought; VWAPrice in CHF Daily purchases value in CHF Daily purchses high / low in CHF 04/05/2026 0 0.0 0 0 Y 190 9’588.2 1’821’750 9690/9550 05/05/2026 0 0.0 0 0 Y 190 9’463.1 1’797’985 9540/9365 06/05/2026 0 0.0 0 0 Y 190 9’518.9 1’808’595 9570/9455 07/05/2026 0 0.0 0 0 Y 190 9’448.7 1’795’250 9495/9375 08/05/2026 0 0.0 0 0 Y 190 9’401.9 1’786’360 9430/9360 11/05/2026 0 Y 0 12/05/2026 0 Y 0 13/05/2026 0 Y 0 15/05/2026 0 Y 0 18/05/2026 0 Y 0 19/05/2026 0 Y 0 20/05/2026 0 Y 0 21/05/2026 0 Y 0 22/05/2026 0 Y 0 26/05/2026 0 Y 0 27/05/2026 0 Y 0 28/05/2026 0 Y 0 29/05/2026 0 Y 0 Total number of LISNE and LISPE purchased; since start of program 0 950 LISN & LISP outstanding on 4.5.2026; at start of program 133’905 989’028 LISNE & LISPE purchased; in % of outstanding at start 0.0000% 0.0961% Total purchase price in CHF 9’009’940 LISNE & LISPE purchased total in % of outstanding at start 0.0408% Registered Shares (RS; LISNE; ISIN: CH 119 254 839 9) Transactions below are PURCHASES INSIDE the share buyback program; done exclusively at the SIX SHARE BUYBACK PROGRAM May 4, 2026 - April 30, 2029 Part. Certificates (PC; LISPE; ISIN: CH 119 254 840 7) 1 11/05/2026

Trading day in May 2026 Daily LISN bought; NUMBER Daily LISN bought; Price in CHF Daily purchases value in CHF Daily LISP bougth; NUMBER Daily LISP bought; price in CHF Daily purchases value in CHF 04/05/2026 0 0 05/05/2026 0 0 06/05/2026 0 0 07/05/2026 0 0 08/05/2026 0 0 11/05/2026 0 0 12/05/2026 0 0 13/05/2026 0 0 15/05/2026 0 0 18/05/2026 0 0 19/05/2026 0 0 20/05/2026 0 0 21/05/2026 0 0 22/05/2026 0 0 26/05/2026 0 0 27/05/2026 0 0 28/05/2026 0 0 29/05/2026 0 0 Total 0 0 Transactions below are PURCHASES OUTSIDE the share buyback program Registered Shares (RS; LISN; ISIN: CH 001 057 075 9) Part. Certificates (PC; LISP; ISIN: CH 001 057 076 7) SHARE BUYBACK PROGRAM May 4, 2026 - April 30, 2029

Trading day in May 2026 Daily LISN sold; NUMBER Daily LISN sold; Price in CHF Daily sales value in CHF Daily LISP sold; NUMBER Daily LISP sold; price in CHF Daily sales value in CHF 04/05/2026 0 0 05/05/2026 0 0 06/05/2026 0 0 07/05/2026 0 0 08/05/2026 0 0 11/05/2026 0 0 12/05/2026 0 0 13/05/2026 0 0 15/05/2026 0 0 18/05/2026 0 0 19/05/2026 0 0 20/05/2026 0 0 21/05/2026 0 0 22/05/2026 0 0 26/05/2026 0 0 27/05/2026 0 0 28/05/2026 0 0 29/05/2026 0 0 Total 0 0 Transactions below are SALES OUTSIDE the share buyback program Registered Shares (RS; LISN; ISIN: CH 001 057 075 9) Part. Certificates (PC; LISP; ISIN: CH 001 057 076 7) SHARE BUYBACK PROGRAM May 4, 2026 - April 30, 2029