Supplemental Financial Information Q1 Fiscal Year 2024

Quarterly Financial Trends Reflects Reclassification (1) 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 (1) Gaming (2) Keyboards & Combos Pointing Devices Video Collaboration Webcams Tablet Accessories Headsets Other (3) Total Net Sales (4) Q1'19 608 36.8% 191 32 5.3% 38 $0.23 169 608 37.4% 167 61 9.9% 57 $0.34 136 128 128 41 45 32 22 76 608 Q2'19 691 864 37.1% 37.5% 191 201 65 123 14.3% 113 $0.67 169 9.4% 64 $0.38 169 691 37.6% 175 85 12.2% 83 $0.49 169 132 128 Q3'19 41 42 37 22 121 691 864 38.1% 186 143 16.6% 134 $0.79 238 144 149 55 49 36 23 170 864 Q4'19 624 37.3% 191 42 6.8% 42 $0.25 169 624 38.0% 173 64 10.3% 65 $0.38 151 132 132 49 48 23 22 68 624 Q1'20 644 37.1% 192 47 7.4% 45 $0.27 169 644 37.8% 176 67 10.4% 66 $0.39 147 129 122 55 43 38 21 89 644 Q2'20 720 37.8% 204 68 9.5% 73 $0.43 169 720 38.4% 187 89 12.4% 85 $0.50 176 139 133 72 42 34 24 100 720 Q3'20 903 37.1% 206 129 14.3% 118 $0.69 170 903 37.6% 188 152 16.8% 143 $0.84 262 156 155 73 48 31 22 155 903 Q4'20 709 39.0% 245 32 4.5% 214 $1.26 170 709 39.8% 203 79 11.1% 71 $0.42 162 148 135 83 61 32 29 59 709 Q1'21 792 38.6% 222 83 10.5% 72 $0.42 170 792 39.2% 193 117 14.8% 109 $0.64 202 145 120 74 106 46 38 60 792 Q2'21 Q3'21 1,257 45.3% 248 322 25.6% 267 $1.56 171 1,257 45.7% 221 354 28.1% 320 $1.87 333 202 169 140 180 83 63 87 1,257 1,667 44.9% 301 448 26.9% 383 $2.22 173 1,667 45.2% 278 476 28.6% 423 $2.45 496 218 214 162 242 138 69 128 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 $1.45 373 219 178 223 287 117 67 70 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 $1.22 373 218 183 148 184 79 59 67 1,312 Note: These preliminary results for the three months ended June 30, 2023 are subject to adjustments, including subsequent events that may occur through the date of filing of our Quarterly Report on Form 10-Q. 1. Reflects Change in Presentation of Sales by Product Category (see prior slide). As a result of this change, certain prior-period amounts have been reclassified to the current period presentation. 2. Gaming includes streaming services revenue generated by Streamlabs. 3. Other primarily consists of mobile speakers and PC speakers. 4. These reclassifications do not impact our previously reported Total Net Sales. Individual amounts may not add up to the total Net Sales due to rounding. Q2'22 1,306 41.5% 363 179 13.7% 139 $0.81 171 1,306 42.0% 337 211 16.2% 180 $1.05 361 236 189 146 166 81 50 77 1,306 Q3'22 1,633 40.6% 361 302 18.5% 263 $1.55 1,633 40.3% 395 263 16.1% 210 1,230 1,160 40.2% 39.6% 365 344 129 115 10.5% 10.0% 108 101 $1.24 $0.64 $0.61 170 169 166 502 282 Q4'22 231 200 188 83 51 96 1,633 Q1'23 1,230 1,160 40.5% 40.0% 342 319 156 146 12.7% 12.6% 136 $0.81 123 $0.74 341 231 178 174 137 67 48 54 1,230 298 228 183 182 109 67 46 47 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 $0.84 322 201 185 179 102 54 45 61 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 $1.14 412 220 199 174 94 65 47 59 1,270 Q4'23 Q1'24 960 35.8% 305 39 4.0% 41 $0.26 162 960 36.3% 266 82 8.6% 81 $0.50 256 188 161 144 73 68 39 31 960 974 38.5% 297 78 8.0% 63 $0.39 160 974 39.0% 271 109 11.2% 103 $0.65 266 181 174 139 75 70 37 31 974 3

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