LEDS

HSINCHU, Taiwan, July 14, 2026--(BUSINESS WIRE)--SemiLEDs Corporation (NASDAQ: LEDS), "SemiLEDs" or the "Company," a developer and manufacturer of LED chips and LED components, today announced its financial results for the third quarter of fiscal year 2026, ended May 31, 2026. Revenue for the third quarter of fiscal 2026 was $9.1 million, compared to $1.1 million in the second quarter of fiscal 2026. GAAP net income attributable to SemiLEDs stockholders for the third quarter of fiscal 2026 was $1.5 million, or $0.18 per diluted share, compared to a net loss of $603 thousand, or $(0.07) per diluted share, in the second quarter of fiscal 2026. GAAP gross margin for the third quarter of fiscal 2026 was 27%, compared to 1% for the second quarter of fiscal 2026. Operating margin for the third quarter of fiscal 2026 was 16%, compared with negative 79% for the second quarter of fiscal 2026. The Company’s cash and cash equivalents were $6.0 million at May 31, 2026, compared to $4.0 million at the end of the second quarter of fiscal 2026. Our revenue was higher in the third quarter of fiscal 2026 compared to the second quarter of fiscal 2026, due to the increase of buy-sell purchase orders of equipment. We anticipate more buy-sell purchase orders in the fourth quarter of fiscal 2026. About SemiLEDs SemiLEDs develops and manufactures LED chips and LED components for general lighting applications, including street lights and commercial, industrial, system and residential lighting, along with specialty industrial applications such as ultraviolet (UV) curing, medical/cosmetic, counterfeit detection, horticulture, architectural lighting and entertainment lighting. SemiLEDs sells blue, white, green and UV LED chips. Forward Looking Statements This press release contains statements that may constitute "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact could be deemed forward-looking, including any statements regarding the expectation of buy-sell orders in the second half of fiscal 2026; any statements about historical results that may suggest trends for SemiLEDs’ business; any statements of the plans, strategies and objectives of management for future operations; any statements of expectation or belief regarding recovery of the LED industry, market opportunities and other future events or technology developments; any statements regarding SemiLEDs’ position to capitalize on any market opportunities; and any statements of assumptions underlying any of the foregoing. These forward-looking statements are based on current expectations, estimates, forecasts and projections of future SemiLEDs’ or industry performance based on management’s judgment, beliefs, current trends and market conditions and involve risks and uncertainties that may cause actual results to differ materially from those contained in the forward-looking statements. SemiLEDs’ Annual Report on Form 10-K filed with the Securities and Exchange Commission (the "SEC") and other SemiLEDs filings with the SEC (which you may obtain for free at the SEC’s website at http://www.sec.gov) discuss some of the important risks and other factors that may affect SemiLEDs’ business, results of operations and financial condition. SemiLEDs undertakes no intent or obligation to publicly update or revise any of these forward looking statements, whether as a result of new information, future events or otherwise, except as required by law. View source version on businesswire.com: https://www.businesswire.com/news/home/20260714211337/en/ Contacts Christopher LeeChief Financial OfficerSemiLEDs [email protected]

HSINCHU, Taiwan, April 14, 2026--(BUSINESS WIRE)--SemiLEDs Corporation (NASDAQ: LEDS), "SemiLEDs" or the "Company," a developer and manufacturer of LED chips and LED components, today announced its financial results for the second quarter of fiscal year 2026, ended February 28, 2026. Revenue for the second quarter of fiscal 2026 was $1.1 million, compared to $2.6 million in the first quarter of fiscal 2026. GAAP net loss attributable to SemiLEDs stockholders for the second quarter of fiscal 2026 was $603 thousand, or $(0.07) per diluted share, compared to a net loss of $742 thousand, or $(0.09) per diluted share, in the first quarter of fiscal 2026. GAAP gross margin for the second quarter of fiscal 2026 was 1%, compared to 1% for the first quarter of fiscal 2026. Operating margin for the second quarter of fiscal 2026 was negative 79%, compared with negative 39% for the first quarter of fiscal 2026. The Company’s cash and cash equivalents were $4.0 million at February 28, 2026, compared to $2.9 million at the end of the first quarter of fiscal 2026. Our revenue was lower in the second quarter of fiscal 2026 compared to the first quarter of fiscal 2026, due to the absence of any buy-sell purchase orders of equipment. We anticipate buy-sell purchase orders in the second half of fiscal 2026. About SemiLEDs SemiLEDs develops and manufactures LED chips and LED components for general lighting applications, including street lights and commercial, industrial, system and residential lighting, along with specialty industrial applications such as ultraviolet (UV) curing, medical/cosmetic, counterfeit detection, horticulture, architectural lighting and entertainment lighting. SemiLEDs sells blue, white, green and UV LED chips. Forward Looking Statements This press release contains statements that may constitute "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact could be deemed forward-looking, including any statements regarding the expectation of buy-sell orders in the second half of fiscal 2026; any statements about historical results that may suggest trends for SemiLEDs’ business; any statements of the plans, strategies and objectives of management for future operations; any statements of expectation or belief regarding recovery of the LED industry, market opportunities and other future events or technology developments; any statements regarding SemiLEDs’ position to capitalize on any market opportunities; and any statements of assumptions underlying any of the foregoing. These forward-looking statements are based on current expectations, estimates, forecasts and projections of future SemiLEDs’ or industry performance based on management’s judgment, beliefs, current trends and market conditions and involve risks and uncertainties that may cause actual results to differ materially from those contained in the forward-looking statements. SemiLEDs’ Annual Report on Form 10-K filed with the Securities and Exchange Commission (the "SEC") and other SemiLEDs filings with the SEC (which you may obtain for free at the SEC’s website at http://www.sec.gov) discuss some of the important risks and other factors that may affect SemiLEDs’ business, results of operations and financial condition. SemiLEDs undertakes no intent or obligation to publicly update or revise any of these forward looking statements, whether as a result of new information, future events or otherwise, except as required by law. SEMILEDS CORPORATION AND SUBSIDIARIES Unaudited Condensed Consolidated Balance Sheets (In thousands of U.S. dollars) SEMILEDS CORPORATION AND SUBSIDIARIES Unaudited Condensed Consolidated Statements of Operations (In thousands of U.S. dollars and shares, except per share data) View source version on businesswire.com: https://www.businesswire.com/news/home/20260414499350/en/ Contacts Christopher Lee Chief Financial Officer SemiLEDs Corporation +886-37-586788 [email protected]

HSINCHU, Taiwan, January 14, 2026--(BUSINESS WIRE)--SemiLEDs Corporation (NASDAQ: LEDS), "SemiLEDs" or the "Company," a developer and manufacturer of LED chips and LED components, today announced its financial results for the first quarter of fiscal year 2026, ended November 30, 2025. Revenue for the first quarter of fiscal 2026 was $2.6 million, compared to $13.2 million in the fourth quarter of fiscal 2025. GAAP net loss attributable to SemiLEDs stockholders for the first quarter of fiscal 2026 was $742 thousand, or $(0.09) per diluted share, compared to a net loss of $1.2 million, or $(0.15) per diluted share, in the fourth quarter of fiscal 2025. GAAP gross margin for the first quarter of fiscal 2026 decreased to 1%, compared to 2% for the fourth quarter of fiscal 2025. Operating margin for the first quarter of fiscal 2026 increased to negative 39%, compared with negative 7% for the fourth quarter of fiscal 2025. The Company’s cash and cash equivalents were $2.9 million at November 30, 2025, compared to $2.6 million at the end of the fourth quarter of fiscal 2025. About SemiLEDs SemiLEDs develops and manufactures LED chips and LED components for general lighting applications, including street lights and commercial, industrial, system and residential lighting, along with specialty industrial applications such as ultraviolet (UV) curing, medical/cosmetic, counterfeit detection, horticulture, architectural lighting and entertainment lighting. SemiLEDs sells blue, white, green and UV LED chips. Forward Looking Statements This press release contains statements that may constitute "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact could be deemed forward-looking, including any statements about historical results that may suggest trends for SemiLEDs’ business; any statements of the plans, strategies and objectives of management for future operations; any statements of expectation or belief regarding recovery of the LED industry, market opportunities and other future events or technology developments; any statements regarding SemiLEDs’ position to capitalize on any market opportunities; and any statements of assumptions underlying any of the foregoing. These forward-looking statements are based on current expectations, estimates, forecasts and projections of future SemiLEDs’ or industry performance based on management’s judgment, beliefs, current trends and market conditions and involve risks and uncertainties that may cause actual results to differ materially from those contained in the forward-looking statements. SemiLEDs’ Annual Report on Form 10-K filed with the Securities and Exchange Commission (the "SEC") and other SemiLEDs filings with the SEC (which you may obtain for free at the SEC’s website at http://www.sec.gov) discuss some of the important risks and other factors that may affect SemiLEDs’ business, results of operations and financial condition. SemiLEDs undertakes no intent or obligation to publicly update or revise any of these forward looking statements, whether as a result of new information, future events or otherwise, except as required by law. View source version on businesswire.com: https://www.businesswire.com/news/home/20260114178648/en/ Contacts Christopher Lee Chief Financial Officer SemiLEDs Corporation +886-37-586788 [email protected]

HSINCHU, Taiwan, November 28, 2025--(BUSINESS WIRE)--SemiLEDs Corporation (NASDAQ: LEDS), "SemiLEDs" or the "Company," a developer and manufacturer of LED chips and LED components, today announced its financial results for the fourth quarter and full fiscal year, ended August 31, 2025. Revenue for the fourth quarter of fiscal 2025 was $13.2 million, compared to $17.7 million in the third quarter of fiscal 2025. GAAP net loss attributable to SemiLEDs stockholders for the fourth quarter of fiscal 2025 was $1.2 million, or $(0.15) per diluted share, compared to a net income of $223 thousand, or $0.03 per diluted share, in the third quarter of fiscal 2025. GAAP gross margin for the fourth quarter of fiscal 2025 decreased to 2%, compared to 5% for the third quarter of fiscal 2025. Operating margin for the fourth quarter of fiscal 2025 decreased to negative 7%, compared with negative 0.4% for the third quarter of fiscal 2025. The Company’s cash and cash equivalents were $2.6 million at August 31, 2025, compared to $2.4 million at the end of the third quarter of fiscal 2025. Revenues for fiscal year 2025 increased to $43 million, compared to $5.2 million in fiscal year 2024. GAAP net loss attributable to SemiLEDs stockholders for fiscal year 2025 was $1.1 million, or $(0.15) per diluted share, compared to a net loss of $$2.0 million, or $(0.32) per diluted share, in fiscal year 2024. GAAP gross margin for fiscal year 2025 decreased to 6%, compared with gross margin for fiscal year 2024 of 20%. Operating margin for fiscal year 2025 was negative 4%, compared with negative 57% in fiscal year 2024. The Company’s cash and cash equivalents were $2.6 million as of August 31, 2025, compared to $1.7 million as of August 31, 2024. About SemiLEDs SemiLEDs develops and manufactures LED chips and LED components for general lighting applications, including street lights and commercial, industrial, system and residential lighting, along with specialty industrial applications such as ultraviolet (UV) curing, medical/cosmetic, counterfeit detection, horticulture, architectural lighting and entertainment lighting. SemiLEDs sells blue, white, green and UV LED chips. Forward Looking Statements This press release contains statements that may constitute "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact could be deemed forward-looking, including any statements about historical results that may suggest trends for SemiLEDs’ business; any statements of the plans, strategies and objectives of management for future operations; any statements of expectation or belief regarding recovery of the LED industry, market opportunities and other future events or technology developments; any statements regarding SemiLEDs’ position to capitalize on any market opportunities; and any statements of assumptions underlying any of the foregoing. These forward-looking statements are based on current expectations, estimates, forecasts and projections of future SemiLEDs’ or industry performance based on management’s judgment, beliefs, current trends and market conditions and involve risks and uncertainties that may cause actual results to differ materially from those contained in the forward-looking statements. SemiLEDs’ Annual Report on Form 10-K filed with the Securities and Exchange Commission (the "SEC") and other SemiLEDs filings with the SEC (which you may obtain for free at the SEC’s website at http://www.sec.gov) discuss some of the important risks and other factors that may affect SemiLEDs’ business, results of operations and financial condition. SemiLEDs undertakes no intent or obligation to publicly update or revise any of these forward looking statements, whether as a result of new information, future events or otherwise, except as required by law. View source version on businesswire.com: https://www.businesswire.com/news/home/20251128330105/en/ Contacts Christopher Lee Chief Financial Officer SemiLEDs Corporation +886-37-586788 [email protected]

HSINCHU, Taiwan, July 11, 2025--(BUSINESS WIRE)--SemiLEDs Corporation (NASDAQ: LEDS), "SemiLEDs" or the "Company," a developer and manufacturer of LED chips and LED components, today announced its financial results for the third quarter of fiscal year 2025, ended May 31, 2025. Revenue for the third quarter of fiscal 2025 increased to $17.7 million, compared to $10.9 million in the second quarter of fiscal 2025. GAAP net income attributable to SemiLEDs stockholders for the third quarter of fiscal 2025 decreased to $223 thousand, or $0.03 per diluted share, compared to a net income of $388 thousand, or $0.05 per diluted share, in the second quarter of fiscal 2025. GAAP gross margin for the third quarter of fiscal 2025 decreased to 5%, compared to 9% for the second quarter of fiscal 2025. Operating margin for the third quarter of fiscal 2025 was negative 0.4%, compared with 1% for the second quarter of fiscal 2025. The Company’s cash and cash equivalents were $2.4 million at both May 31, 2025 and at the end of the second quarter of fiscal 2025. About SemiLEDs SemiLEDs develops and manufactures LED chips and LED components for general lighting applications, including street lights and commercial, industrial, system and residential lighting, along with specialty industrial applications such as ultraviolet (UV) curing, medical/cosmetic, counterfeit detection, horticulture, architectural lighting and entertainment lighting. SemiLEDs sells blue, white, green and UV LED chips. Forward Looking Statements This press release contains statements that may constitute "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact could be deemed forward-looking, including any statements about historical results that may suggest trends for SemiLEDs’ business; any statements of the plans, strategies and objectives of management for future operations; any statements of expectation or belief regarding recovery of the LED industry, market opportunities and other future events or technology developments; any statements regarding SemiLEDs’ position to capitalize on any market opportunities; and any statements of assumptions underlying any of the foregoing. These forward-looking statements are based on current expectations, estimates, forecasts and projections of future SemiLEDs’ or industry performance based on management’s judgment, beliefs, current trends and market conditions and involve risks and uncertainties that may cause actual results to differ materially from those contained in the forward-looking statements. SemiLEDs’ Annual Report on Form 10-K filed with the Securities and Exchange Commission (the "SEC") and other SemiLEDs filings with the SEC (which you may obtain for free at the SEC’s website at http://www.sec.gov) discuss some of the important risks and other factors that may affect SemiLEDs’ business, results of operations and financial condition. SemiLEDs undertakes no intent or obligation to publicly update or revise any of these forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. View source version on businesswire.com: https://www.businesswire.com/news/home/20250711345703/en/ Contacts Christopher Lee Chief Financial Officer SemiLEDs Corporation +886-37-586788 [email protected]

HSINCHU, Taiwan, April 10, 2025--(BUSINESS WIRE)--SemiLEDs Corporation (NASDAQ: LEDS), "SemiLEDs" or the "Company," a developer and manufacturer of LED chips and LED components, today announced its financial results for the second quarter of fiscal year 2025, ended February 28, 2025. Revenue for the second quarter of fiscal 2025 increased to $10.9 million, compared to $1.3 million in the first quarter of fiscal 2025. GAAP net income attributable to SemiLEDs stockholders for the second quarter of fiscal 2025 increased to $388 thousand, or $0.05 per diluted share, compared to a net loss of $547 thousand, or $(0.08) per diluted share, in the first quarter of fiscal 2025. GAAP gross margin for the second quarter of fiscal 2025 decreased to 9%, compared to 21% for the first quarter of fiscal 2025. Operating margin for the second quarter of fiscal 2025 was 1%, compared with negative 52% for the first quarter of fiscal 2025. The Company’s cash and cash equivalents were $2.4 million at February 28, 2025, compared to $1.2 million at the end of the first quarter of fiscal 2025. About SemiLEDs SemiLEDs develops and manufactures LED chips and LED components for general lighting applications, including street lights and commercial, industrial, system and residential lighting, along with specialty industrial applications such as ultraviolet (UV) curing, medical/cosmetic, counterfeit detection, horticulture, architectural lighting and entertainment lighting. SemiLEDs sells blue, white, green and UV LED chips. Forward Looking Statements This press release contains statements that may constitute "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact could be deemed forward-looking, including, but not limited to, revenue expectations for the third quarter ending May 31, 2025 the expedited timing of the recognition of revenue relating to the buy-sell purchase orders and estimated costs of revenue related thereto, any statements about historical results that may suggest trends for SemiLEDs’ business; any statements of the plans, strategies and objectives of management for future operations; any statements of expectation or belief regarding recovery of the LED industry, market opportunities and other future events or technology developments; any statements regarding SemiLEDs’ position to capitalize on any market opportunities; and any statements of assumptions underlying any of the foregoing. These forward-looking statements are based on current expectations, estimates, forecasts and projections of future SemiLEDs’ or industry performance based on management’s judgment, beliefs, current trends and market conditions and involve risks and uncertainties that may cause actual results to differ materially from those contained in the forward-looking statements. SemiLEDs’ Annual Report on Form 10-K filed with the Securities and Exchange Commission (the "SEC") and other SemiLEDs filings with the SEC (which you may obtain for free at the SEC’s website at http://www.sec.gov) discuss some of the important risks and other factors that may affect SemiLEDs’ business, results of operations and financial condition. SemiLEDs undertakes no intent or obligation to publicly update or revise any of these forward looking statements, whether as a result of new information, future events or otherwise, except as required by law. SEMILEDS CORPORATION AND SUBSIDIARIES Unaudited Condensed Consolidated Balance Sheets (In thousands of U.S. dollars) February 28, November 30, 2025 2024 ASSETS CURRENT ASSETS: Cash and cash equivalents $ 2,384 $ 1,248 Restricted cash and cash equivalents 76 77 Accounts receivable (including related parties), net 280 261 Inventories 13,531 3,722 Prepaid expenses and other current assets 1,973 185 Total current assets 18,244 5,493 Property, plant and equipment, net 2,598 2,609 Operating lease right of use assets 1,119 1,041 Intangible assets, net 89 85 Investments in unconsolidated entities 930 949 Other assets 206 223 TOTAL ASSETS $ 23,186 $ 10,400 LIABILITIES AND EQUITY CURRENT LIABILITIES: Current installments of long-term debt $ 1,242 $ 2,847 Accounts payable 445 340 Accrued expenses and other current liabilities 15,063 2,799 Other payable to related parties 1,096 1,049 Operating lease liabilities, current 128 76 Total current liabilities 17,974 7,111 Long-term debt, excluding current installments 626 744 Operating lease liabilities, less current portion 991 965 Total liabilities 19,591 8,820 EQUITY: SemiLEDs stockholders’ equity Common stock — — Additional paid-in capital 188,913 187,277 Accumulated other comprehensive income 3,522 3,531 Accumulated deficit (188,840 ) (189,228 ) Total SemiLEDs stockholders' equity 3,595 1,580 Total equity 3,595 1,580 TOTAL LIABILITIES AND EQUITY $ 23,186 $ 10,400 SEMILEDS CORPORATION AND SUBSIDIARIES Unaudited Condensed Consolidated Statements of Operations (In thousands of U.S. dollars and shares, except per share data) Three Months Ended February 28, November 30, 2025 2024 Revenues, net $ 10,872 $ 1,261 Cost of revenues 9,869 1,001 Gross profit 1,003 260 Operating expenses: Research and development 279 221 Selling, general and administrative 614 696 Total operating expenses 893 917 Income (loss) from operations 110 (657 ) Other income (expenses): Investment loss (10 ) (3 ) Interest expenses, net (42 ) (67 ) Other income, net 265 282 Foreign currency transaction gain (loss), net 65 (102 ) Total other income, net 278 110 Income (loss) before income taxes 388 (547 ) Income tax expense — — Net income (loss) 388 (547 ) Net income (loss) attributable to SemiLEDs stockholders $ 388 $ (547 ) Net income (loss) per share attributable to SemiLEDs stockholders: Basic and diluted $ 0.05 $ (0.08 ) Shares used in computing net income (loss) per share attributable to SemiLEDs stockholders: Basic and diluted 7,222 7,212 View source version on businesswire.com: https://www.businesswire.com/news/home/20250410576922/en/ Contacts Christopher Lee Chief Financial Officer SemiLEDs Corporation +886-37-586788 [email protected]