#1logitech SUPPLEMENTAL FINANCIAL INFORMATION Q1 FISCAL YEAR 2023 (QUARTER ENDED June 30, 2022)#2Q1 FY 2023 FINANCIAL HIGHLIGHTS $1,160 million Revenue -9% Y/Y Sales Growth 40.0% Non-GAAP Gross Margin $146 million Non-GAAP Operating Income Results listed in non-GAAP. Sales are net sales and comparisons are Y/Y and on a constant currency basis. $0.74 per share Non-GAAP Diluted EPS ($36) million Cash Flow from Operations#3Quarterly Financial Trends 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 Mobile Speakers Audio & Wearables Other 1 Total Net Sales Q1'20 644 37.1% 192 47 7.4% 45 $0.27 169 644 37.8% 176 67 10.4% 66 $0.39 122 129 28 38 73 135 50 59 10 644 Q2'20 720 37.8% 204 68 9.5% 73 $0.43 169 720 38.4% 187 89 12.4% 85 $0.50 133 139 29 34 90 161 57 68 9 720 Q3'20 903 37.1% 206 129 14.3% 118 $0.69 170 903 37.6% 188 152 16.8% 143 $0.84 155 156 32 31 92 246 93 82 16 903 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 Q2¹21 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 Note: These preliminary results for the three months ended June 30, 2022 are subject to adjustments, including subsequent events that may occur through the date of filing our Quarterly on Form 10-Q. 1. Other includes Smart Home. 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 83 287 470 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 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#4#5GAAP to Non-GAAP Reconciliations Preliminary results * In $ millions except per share and % Gross Profit - GAAP Share-based compensation expense Amortization of intangible assets and purchase accounting efffect on inventory Gross Profit - Non-GAAP Operating Expenses - GAAP Share-based compensation expense Amortization of intangible assets and acquistion-related costs Change in fair value of contingent consideration for business acquisition Restructuring charges (credits), net Intangible Impairment Operating Expenses - Non-GAAP Operating Income - GAAP Share-based compensation expense Amortization of intangible assets Purchase accounting effect on inventory Acquistion-related costs Change in fair value of contingent consideration for business acquisition Restructuring charges (credits), net Intangible Impairment Operating Income - Non-GAAP Net Income From Continuing Operations - GAAP Share-based compensation expense Amortization of intangible assets Purchase accounting effect on inventory Acquistion-related costs Change in fair value of contingent consideration for business acquisition Restructuring charges (credits), net Intangible Impairment Gain/(loss) from equity method investments Non-GAAP tax adjustment Net Income From Continuing Operations - Non-GAAP Net Income from Continuing Operations Per Share Diluted-GAAP Diluted Non-GAAP Q1'20 239 1 3 243 192 11 4 0 0 0 176 47 12 7 0 0 0 0 0 67 45 12 7 0 0 0 0 0 (0) 1 66 $0.27 $0.39 Q2'20 272 1 3 277 204 13 4 0 (0) 0 187 68 14 7 0 1 0 (0) 0 89 73 14 7 0 1 • • • (0) (10) 85 $0.43 $0.50 Q3'20 334 1 4 340 206 13 5 0 (0) 0 188 129 14 8 0 1 0 (0) 0 152 118 14 8 0 1 0 (0) 0 1 2 143 $0.69 $0.84 Q4'20 277 1 4 282 245 13 5 23 0 0 203 32 15 9 0 0 23 0 0 79 214 15 9 0 0 23 0 0 (40) (150) 71 $1.26 $0.42 Q1'21 306 1 4 311. 222 19 5 6 (0) 0 193 83 20 8 0 0 6 (0) 0 117 72 20 8 0 0 6 (0) 0 (0) 3 109 $0.42 $0.64 Q2'21 570 2 3 574 248 23 4 0 (0) 0 221 322 25 7oo o 0 0 0 (0) 0 354 267 25 7 0 0 0 (0) 0 3 18 320 $1.56 $1.87 Q3'21 749 2 Note: These preliminary results for the three months ended June 30, 2022 are subject to adjustments, including subsequent events that may occur through the date of filing our Quarterly on Form 10-Q. 3 754 301 18 5 0 0 0 278 448 20 8 0 0 0 0 0 476 383 20 8 0 0 0 OONEN 0 0 2 10 423 $2.22 $2.45 Q4'21 711 2 4 716 416 20 5 0 0 0 391 295 21 9 0 0 0 0 0 325 226 21 9 0 0 0 0 0 1 (6) 251 $1.31 $1.45 Q1'22 569 1 4 574 366 22 5 (1) 0 0 340 203 24 9 0 0 (1) 0 0 235 187 24 9 0 0 (1) • • (1) (7) 210 $1.09 $1.22 Q2'22 542 2 4 548 363 22 5 (1) 0 0 337 179 24 9 0 0 (1) 0 0 211 139 24 9 0 0 (1) 0 0 2 7 180 $0.81 $1.05 Q3'22 658 2 3 663 395 23 4 (1) 2 7 361 263 25 7 0 0 (1) 2 7 302 210 25 7 0 0 (1) 2 7 0 13 263 $1.24 $1.55 Q4'22 494 1 3 498 365 20 3 0 0 0 342 129 21 6 0 0 0 0 0 156 108 21 6 0 0 0 0 0 0 (0) 136 $0.64 $0.81 Q1'23 460 1 3 464 344 22 3 0 0 0 319 115 24 6 0 0 0 0 0 146 101 24 6 0 0 0 0 0 (11) 3 123 $0.61 $0.74#6