#1logitech SUPPLEMENTAL FINANCIAL INFORMATION Q4 FISCAL YEAR 2023 (QUARTER ENDED March 31, 2023)#2#3Quarterly Financial Trends 1,2 Preliminary results * In $ millions except per share and % GAAP Results Net Sales Gross Margin Operating Expenses Operating Income Operating Margin Net Income Diluted EPS Avg. Diluted Shares Outstanding Non-GAAP Results Net Sales Gross Margin Operating Expenses Operating Income Operating Margin Net Income Diluted EPS Net Sales by Product Category Pointing Devices Keyboards & Combos PC Webcams Tablet & Other Accessories Video Collaboration Gaming 2 Mobile Speakers Audio & Wearables Other 1 Total Net Sales Q4'20 709 39.0% 245 32 4.5% 214 $1.26 170 709 39.8% 203 79 11.1% 71 $0.42 135 148 40 32 111 149 21 65 8 709 Q1'21 792 38.6% 222 83 10.5% 72 $0.42 170 792 39.2% 193 117 14.8% 109 $0.64 120 145 61 46 130 182 29 71 7 792 Q2'21 1,257 45.3% 248 322 25.6% 267 $1.56 171 1,257 45.7% 221 354 28.1% 320 $1.87 169 202 102 83 237 298 44 114 9 1,257 Q3'21 1,667 44.9% 301 448 26.9% 383 $2.22 173 1,667 45.2% 278 476 28.6% 423 $2.45 214 218 132 138 293 436 73 153 11 1,667 Q4'21 1,536 46.3% 416 295 19.2% 226 $1.31 173 1,536 46.6% 391 325 21.2% 251 $1.45 178 219 145 117 386 323 30 130 8 1,536 Q1'22 1,312 43.4% 366 203 15.5% 187 $1.09 172 1,312 43.8% 340 235 17.9% 210 $1.22 183 218 110 79 235 335 28 117 6 1,312 Q2'22 1,306 41.5% 363 179 13.7% 139 $0.81 171 1,306 42.0% 337 211 16.2% 180 $1.05 189 236 94 81 232 331 39 98 6 1,306 Q3'22 1,633 40.3% 395 263 16.1% 210 $1.24 170 1,633 40.6% 361 302 18.5% 263 $1.55 231 282 115 83 287 469 57 104 5 1,633 Q4'22 1,230 40.2% 365 129 10.5% 108 $0.64 169 1,230 40.5% 342 156 12.7% 136 $0.81 178 231 84 67 243 316 25 82 2 1,230 Note: These preliminary results for the three months ended March 31, 2023 are subject to adjustments, including subsequent events that may occur through the date of filing our Annual Report on Form 10-K. 1. Other includes Smart Home. 2. Gaming includes streaming services revenue generated by Streamlabs. Q1'23 1,160 39.6% 344 115 10.0% 101 $0.61 166 1,160 40.0% 319 146 12.6% 123 $0.74 183 228 59 67 246 283 22 69 2 1,160 Q2'23 1,149 38.2% 311 127 11.1% 82 $0.50 164 1,149 38.6% 287 156 13.6% 138 $0.84 185 201 60 54 236 298 39 73 2 1,149 Q3'23 1,270 37.6% 301 177 13.9% 140 $0.86 163 1,270 37.9% 278 204 16.1% 185 $1.14 199 220 58 65 226 392 38 69 1 1,270 Q4'23 960 35.8% 305 39 4.0% 41 $0.26 162 960 36.3% 266 82 8.6% 81 $0.50 161 188 50 68 179 239 12 62 1 960#4#5#6