<p class="MsoNormal" style="text-align: justify; text-justify: inter-ideograph;"> </p> <p class="MsoNormal" style="text-align: justify; text-justify: inter-ideograph;"><span lang="EN-US" style="font-family: 'Times New Roman',serif; mso-fareast-font-family: 新細明體;">Taipei, Taiwan, R.O.C., October 6, 2026 – ADATA today announced that its consolidated sales for September reached NT$15.73 billion, up 200.0% year-over-year and down 16.9% month-over-month. Consolidated sales for the third quarter of 2026 came in at NT$53.0 billion, up 266.0% year-over-year and 39.0% quarter-over-quarter, marking a new record high for quarterly sales. Consolidated sales from January through September totaled NT$117.3 billion, up 215.6% compared with the same period in 2025.</span></p> <p class="MsoNormal" style="text-align: justify; text-justify: inter-ideograph;"><span lang="EN-US" style="font-family: 'Times New Roman',serif; mso-fareast-font-family: 新細明體;"> </span></p> <p class="MsoNormal" style="text-align: justify; text-justify: inter-ideograph;"><span lang="EN-US" style="font-family: 'Times New Roman',serif; mso-fareast-font-family: 新細明體;"> </span></p> <p class="MsoNormal" style="line-height: 12.0pt; mso-layout-grid-align: none; text-autospace: none;"><strong style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 新細明體;">ADATA September Sales Report (Consolidated)<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>(Unit: NT$ million)</span></strong></p> <table class="MsoTableGrid" style="width: 439.2pt; border-collapse: collapse; border: none; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 1184; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt;" border="1" width="586" cellspacing="0" cellpadding="0"> <tbody> <tr style="mso-yfti-irow: 0; mso-yfti-firstrow: yes;"> <td style="width: 77.75pt; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="104"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">Period</span></p> </td> <td style="width: 148.8pt; border: solid windowtext 1.0pt; border-left: none; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="198"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">September-26</span></p> </td> <td style="width: 4.0cm; border: solid windowtext 1.0pt; border-left: none; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="151"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">M-O-M (%)</span></p> </td> <td style="width: 99.25pt; border: solid windowtext 1.0pt; border-left: none; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="132"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">Y-O-Y (%)</span></p> </td> </tr> <tr style="mso-yfti-irow: 1; mso-yfti-lastrow: yes;"> <td style="width: 77.75pt; border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="104"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">Net sales</span></p> </td> <td style="width: 148.8pt; border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="198"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">15,730</span></p> </td> <td style="width: 4.0cm; border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="151"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">(16.88)</span></p> </td> <td style="width: 99.25pt; border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="132"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">199.95</span></p> </td> </tr> </tbody> </table> <p class="MsoNormal"><span lang="EN-US" style="font-family: 'Times New Roman',serif;"> </span></p> <p class="MsoNormal"><span lang="EN-US" style="font-family: 'Times New Roman',serif;"> </span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">Sales by Product for </span></strong><strong style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-size: 11.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 新細明體;">September</span></strong><strong style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-family: 'Times New Roman',serif;"> 2026:</span></strong></p> <table class="MsoTableGrid" style="border-collapse: collapse; border: none; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 1184; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt;" border="1" cellspacing="0" cellpadding="0"> <tbody> <tr style="mso-yfti-irow: 0; mso-yfti-firstrow: yes;"> <td style="width: 84.8pt; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="113"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">DRAM</span></p> </td> <td style="width: 99.25pt; border: solid windowtext 1.0pt; border-left: none; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="132"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">74.9%</span></p> </td> </tr> <tr style="mso-yfti-irow: 1;"> <td style="width: 84.8pt; border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="113"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">SSD</span></p> </td> <td style="width: 99.25pt; border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="132"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">20.54%</span></p> </td> </tr> <tr style="mso-yfti-irow: 2; mso-yfti-lastrow: yes;"> <td style="width: 84.8pt; border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="113"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">Others</span></p> </td> <td style="width: 99.25pt; border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;" valign="top" width="132"> <p class="MsoNormal" style="text-align: center;" align="center"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">4.56%</span></p> </td> </tr> </tbody> </table> <p class="MsoNormal"><span lang="EN-US" style="font-family: 'Times New Roman',serif;">Note: Year 2026 figures have not been audited.</span></p> <p class="MsoNormal"><span lang="EN-US" style="font-family: 'Times New Roman',serif;"> </span></p> <p class="MsoNormal"> </p>