
AXT, Inc. (NASDAQ:AXTI) (&#34;AXT&#34; or the &#34;Company&#34;), a leading manufacturer of compound semiconductor wafer substrates, announced today that, in connection with its recently completed underwritten public offering of

<p xmlns="http://www.w3.org/1999/xhtml">
AXT, Inc. (NASDAQ:<a class="ticker" href="https://www.benzinga.com/quote/AXTI">AXTI</a>) ("AXT" or the "Company"), a leading manufacturer of compound semiconductor wafer substrates, announced today that, in connection with its recently completed underwritten public offering of 8,560,311 shares of common stock, the underwriters have exercised their over-allotment option to purchase an additional 1,284,046 shares of common stock at a price to the public of $64.25 for additional gross proceeds of approximately $82.5 million, before deducting underwriting discounts and commissions and other offering expenses.

</p><p xmlns="http://www.w3.org/1999/xhtml">
As previously announced, the Company intends to use the net proceeds from the offering primarily to financially support our subsidiary Beijing Tongmei Xtal Technology Co., Ltd. in its efforts to increase its capacity to produce indium phosphide substrates for export worldwide, for research and development of new or improved products, and for working capital and for general corporate purposes.

</p><p xmlns="http://www.w3.org/1999/xhtml">
Northland Capital Markets acted as sole bookrunner for this offering. Needham &amp; Company, B. Riley Securities, Craig-Hallum Capital Group LLC and Wedbush Securities Inc. acted as co-managers for this offering.

</p><p xmlns="http://www.w3.org/1999/xhtml">
An effective shelf registration statement on Form S-3ASR relating to the securities offered in the public offering described above was filed with the Securities and Exchange Commission (the "SEC") on April 20, 2026 (File No. 333-295188). The offering was made only by means of a written prospectus and prospectus supplement that form a part of the registration statement. A final prospectus supplement and accompanying prospectus relating to the offering has been filed with the SEC and is available on the SEC's website at <a xmlns="http://www.w3.org/1999/xhtml" rel="nofollow" href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.sec.gov&amp;esheet=54521742&amp;newsitemid=20260424121883&amp;lan=en-US&amp;anchor=www.sec.gov&amp;index=1&amp;md5=4451bbb3ee03048e758f130762251c4c" shape="rect">www.sec.gov</a>. Copies of the final prospectus supplement and the accompanying prospectus, when available, may also be obtained from Northland Capital Markets, 150 South Fifth Street, Suite 3300, Minneapolis, MN 55402, Attention: Heidi Fletcher, by telephone at (612) 851-4918 or by visiting the SEC's website located at <a xmlns="http://www.w3.org/1999/xhtml" rel="nofollow" href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.sec.gov&amp;esheet=54521742&amp;newsitemid=20260424121883&amp;lan=en-US&amp;anchor=http%3A%2F%2Fwww.sec.gov&amp;index=2&amp;md5=1811890ae67b4d0f08bd1db39306f944" shape="rect">http://www.sec.gov</a>.

</p><p xmlns="http://www.w3.org/1999/xhtml">
This press release does not constitute an offer to sell, or the solicitation of an offer to buy, these securities, nor will there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale is not permitted.

</p><p xmlns="http://www.w3.org/1999/xhtml">
<strong xmlns="http://www.w3.org/1999/xhtml">About AXT, Inc.</strong>

</p><p xmlns="http://www.w3.org/1999/xhtml">
AXT is a material science company that develops and manufactures high-performance compound and single element semiconductor substrate wafers comprising indium phosphide (InP), gallium arsenide (GaAs) and germanium (Ge). The company's substrate wafers are used when a typical silicon substrate wafer cannot meet the performance requirements of a semiconductor or optoelectronic device. End markets include 5G infrastructure, data center connectivity (silicon photonics), passive optical networks, LED lighting, lasers, sensors, power amplifiers for wireless devices and satellite solar cells. AXT's worldwide headquarters are in Fremont, California where the company maintains sales, administration and customer service functions. AXT has its Asia headquarters in Beijing, China and manufacturing facilities in three separate locations in China. In addition, as part of its supply chain strategy, the company has partial ownership in ten companies in China producing raw materials for its manufacturing process. For more information, see AXT's website at <a xmlns="http://www.w3.org/1999/xhtml" rel="nofollow" href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Finvestors.axt.com&amp;esheet=54521742&amp;newsitemid=20260424121883&amp;lan=en-US&amp;anchor=https%3A%2F%2Finvestors.axt.com&amp;index=3&amp;md5=b7ee814fd66a0ac0c1745d1181b8cd12" shape="rect">https://investors.axt.com</a>.

</p><p xmlns="http://www.w3.org/1999/xhtml">
<b xmlns="http://www.w3.org/1999/xhtml">Safe Harbor Forward-Looking Statements</b>

</p><p xmlns="http://www.w3.org/1999/xhtml">
This press release contains &#34;forward-looking statements&#34; that are subject to substantial risks and uncertainties. All statements, other than statements of historical fact, contained in this press release are forward-looking statements. Forward-looking statements contained in this press release may be identified by the use of words such as &#34;anticipate,&#34; &#34;believe,&#34; &#34;contemplate,&#34; &#34;could,&#34; &#34;estimate,&#34; &#34;expect,&#34; &#34;intend,&#34; &#34;seek,&#34; &#34;may,&#34; &#34;might,&#34; &#34;plan,&#34; &#34;potential,&#34; &#34;predict,&#34; &#34;project,&#34; &#34;target,&#34; &#34;aim,&#34; &#34;should,&#34; &#34;will&#34; &#34;would,&#34; or the negative of these words or other similar expressions, although not all forward-looking statements contain these words. Such statements include, but are not limited to, statements relating to our intended use of proceeds from the offering and production expansion plans. Forward-looking statements are based on the Company's current expectations and are subject to inherent uncertainties, risks and assumptions that are difficult to predict. Further, certain forward-looking statements are based on assumptions as to future events that may not prove to be accurate. These and other risks and uncertainties are set forth in the company's Annual Report on Form 10-K, quarterly reports on Form 10-Q and other filings made with the Securities and Exchange Commission. Forward-looking statements contained in this announcement are made as of this date, and the Company undertakes no duty to update such information except as required under applicable law.

</p><p xmlns="http://www.w3.org/1999/xhtml"><img xmlns="http://www.w3.org/1999/xhtml" alt="" src="https://cts.businesswire.com/ct/CT?id=bwnews&amp;sty=20260424121883r1&amp;sid=benz2&amp;distro=nx&amp;lang=en" style="width:0;height:0"></img><span xmlns="http://www.w3.org/1999/xhtml" class="bwct31415"></span></p><p xmlns="http://www.w3.org/1999/xhtml" id="mmgallerylink"><span xmlns="http://www.w3.org/1999/xhtml" id="mmgallerylink-phrase">View source version on businesswire.com: </span><span xmlns="http://www.w3.org/1999/xhtml" id="mmgallerylink-link"><a xmlns="http://www.w3.org/1999/xhtml" href="https://www.businesswire.com/news/home/20260424121883/en/" rel="nofollow">https://www.businesswire.com/news/home/20260424121883/en/</a></span></p><p xmlns="http://www.w3.org/1999/xhtml">
Gary Fischer
<br xmlns="http://www.w3.org/1999/xhtml"></br>Chief Financial Officer
<br xmlns="http://www.w3.org/1999/xhtml"></br>(510) 438-4700

</p><p xmlns="http://www.w3.org/1999/xhtml">
Leslie Green
<br xmlns="http://www.w3.org/1999/xhtml"></br>Green Communications Consulting, LLC
<br xmlns="http://www.w3.org/1999/xhtml"></br><a xmlns="http://www.w3.org/1999/xhtml" rel="nofollow" href="mailto:leslie@greencommunicationsllc.com" shape="rect">leslie@greencommunicationsllc.com</a>

</p>

AXTI

AXT Announces Exercise of Over-Allotment Option in Public Offering of Common Stock

AXT Secures $82.5 Million to Boost Production Capacity

<section class="insight" data-version="1">
  <section data-block="information">
    <h3>Information</h3>
    <p>AXT, Inc. (NASDAQ:AXTI) (&amp;#34;AXT&amp;#34; or the &amp;#34;Company&amp;#34;), a leading manufacturer of compound semiconductor wafer substrates, announced today that, in connection with its recently completed underwritten public offering of</p>
  </section>

  <section data-block="ai-summary-paragraph">
    <h3>AI Summary</h3>
    <p>AXT, Inc. has successfully raised $82.5 million through a public offering. The funds will enhance production capacity at its subsidiary and support R&amp;D initiatives, positioning AXT favorably in high-demand semiconductor markets.</p>
  </section>

  <section data-block="ai-summary-bullets">
    <h3>Key Points</h3>
    <ul><li>AXT completed a public offering, raising $82.5 million.</li><li>Proceeds will support Beijing Tongmei&#039;s production capacity.</li><li>AXT focuses on indium phosphide substrates for semiconductor applications.</li><li>Further R&amp;D and general corporate purposes will also be funded.</li><li>The demand for AXT&#039;s products caters to 5G and data center markets.</li></ul>
  </section>

  <section data-block="companies-mentioned">
    <h3>Companies Mentioned</h3>
    <ul><li><strong>Beijing Tongmei Xtal Technology Co., Ltd. (N/A)</strong>: Subsidiary receiving funding to expand substrate production capabilities.</li><li><strong>Northland Capital Markets (N/A)</strong>: Sole bookrunner indicating strong market support for AXT.</li><li><strong>Needham &amp; Company (N/A)</strong>: Co-manager in the offering, reflecting confidence in AXT&#039;s growth vision.</li></ul>
  </section>

  <section data-block="category">
    <h3>Corporate Developments</h3>
    <p>This falls under Corporate Developments as it highlights AXT&#039;s strategic efforts to increase production and meet market demands, which can directly affect its financial performance and stock price.</p>
  </section>

  <section data-block="market-moving">
    <h3>Market-Moving</h3>
    <ul><li>Increased production capacity may drive revenue growth this year.</li><li>Demand for indium phosphide substrates in 5G markets could lead to higher sales.</li><li>The successful underwriting suggests strong market confidence in AXT&#039;s strategy.</li><li>Investors should watch for future announcements on operational expansions.</li></ul>
  </section>

  <section data-block="key-facts">
    <h3>Key Facts</h3>
    <ul><li>AXT raised $82.5 million through an underwritten public offering.</li><li>1,284,046 shares were sold at $64.25 each.</li><li>Funds are largely directed to Beijing Tongmei Xtal Technology.</li><li>Offering completion date was noted as April 2026.</li><li>AXT specializes in compound semiconductor substrates, aiming for market expansion.</li></ul>
  </section>

  <section data-block="trading-thesis">
    <h3>Trading Thesis</h3>
    <p>AXTI shares could see upward momentum in the short term due to increased production capabilities and market demand.</p>
  </section>
</section>


<p xmlns="http://www.w3.org/1999/xhtml">
AXT, Inc. (NASDAQ:<a class="ticker" href="https://www.benzinga.com/quote/AXTI">AXTI</a>) ("AXT" or the "Company"), a leading manufacturer of compound semiconductor wafer substrates, announced today that, in connection with its recently completed underwritten public offering of 8,560,311 shares of common stock, the underwriters have exercised their over-allotment option to purchase an additional 1,284,046 shares of common stock at a price to the public of $64.25 for additional gross proceeds of approximately $82.5 million, before deducting underwriting discounts and commissions and other offering expenses.

</p><p xmlns="http://www.w3.org/1999/xhtml">
As previously announced, the Company intends to use the net proceeds from the offering primarily to financially support our subsidiary Beijing Tongmei Xtal Technology Co., Ltd. in its efforts to increase its capacity to produce indium phosphide substrates for export worldwide, for research and development of new or improved products, and for working capital and for general corporate purposes.

</p><p xmlns="http://www.w3.org/1999/xhtml">
Northland Capital Markets acted as sole bookrunner for this offering. Needham &amp; Company, B. Riley Securities, Craig-Hallum Capital Group LLC and Wedbush Securities Inc. acted as co-managers for this offering.

</p><p xmlns="http://www.w3.org/1999/xhtml">
An effective shelf registration statement on Form S-3ASR relating to the securities offered in the public offering described above was filed with the Securities and Exchange Commission (the "SEC") on April 20, 2026 (File No. 333-295188). The offering was made only by means of a written prospectus and prospectus supplement that form a part of the registration statement. A final prospectus supplement and accompanying prospectus relating to the offering has been filed with the SEC and is available on the SEC's website at <a xmlns="http://www.w3.org/1999/xhtml" rel="nofollow" href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.sec.gov&amp;esheet=54521742&amp;newsitemid=20260424121883&amp;lan=en-US&amp;anchor=www.sec.gov&amp;index=1&amp;md5=4451bbb3ee03048e758f130762251c4c" shape="rect">www.sec.gov</a>. Copies of the final prospectus supplement and the accompanying prospectus, when available, may also be obtained from Northland Capital Markets, 150 South Fifth Street, Suite 3300, Minneapolis, MN 55402, Attention: Heidi Fletcher, by telephone at (612) 851-4918 or by visiting the SEC's website located at <a xmlns="http://www.w3.org/1999/xhtml" rel="nofollow" href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.sec.gov&amp;esheet=54521742&amp;newsitemid=20260424121883&amp;lan=en-US&amp;anchor=http%3A%2F%2Fwww.sec.gov&amp;index=2&amp;md5=1811890ae67b4d0f08bd1db39306f944" shape="rect">http://www.sec.gov</a>.

</p><p xmlns="http://www.w3.org/1999/xhtml">
This press release does not constitute an offer to sell, or the solicitation of an offer to buy, these securities, nor will there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale is not permitted.

</p><p xmlns="http://www.w3.org/1999/xhtml">
<strong xmlns="http://www.w3.org/1999/xhtml">About AXT, Inc.</strong>

</p><p xmlns="http://www.w3.org/1999/xhtml">
AXT is a material science company that develops and manufactures high-performance compound and single element semiconductor substrate wafers comprising indium phosphide (InP), gallium arsenide (GaAs) and germanium (Ge). The company's substrate wafers are used when a typical silicon substrate wafer cannot meet the performance requirements of a semiconductor or optoelectronic device. End markets include 5G infrastructure, data center connectivity (silicon photonics), passive optical networks, LED lighting, lasers, sensors, power amplifiers for wireless devices and satellite solar cells. AXT's worldwide headquarters are in Fremont, California where the company maintains sales, administration and customer service functions. AXT has its Asia headquarters in Beijing, China and manufacturing facilities in three separate locations in China. In addition, as part of its supply chain strategy, the company has partial ownership in ten companies in China producing raw materials for its manufacturing process. For more information, see AXT's website at <a xmlns="http://www.w3.org/1999/xhtml" rel="nofollow" href="https://cts.businesswire.com/ct/CT?id=smartlink&amp;url=https%3A%2F%2Finvestors.axt.com&amp;esheet=54521742&amp;newsitemid=20260424121883&amp;lan=en-US&amp;anchor=https%3A%2F%2Finvestors.axt.com&amp;index=3&amp;md5=b7ee814fd66a0ac0c1745d1181b8cd12" shape="rect">https://investors.axt.com</a>.

</p><p xmlns="http://www.w3.org/1999/xhtml">
<b xmlns="http://www.w3.org/1999/xhtml">Safe Harbor Forward-Looking Statements</b>

</p><p xmlns="http://www.w3.org/1999/xhtml">
This press release contains &#34;forward-looking statements&#34; that are subject to substantial risks and uncertainties. All statements, other than statements of historical fact, contained in this press release are forward-looking statements. Forward-looking statements contained in this press release may be identified by the use of words such as &#34;anticipate,&#34; &#34;believe,&#34; &#34;contemplate,&#34; &#34;could,&#34; &#34;estimate,&#34; &#34;expect,&#34; &#34;intend,&#34; &#34;seek,&#34; &#34;may,&#34; &#34;might,&#34; &#34;plan,&#34; &#34;potential,&#34; &#34;predict,&#34; &#34;project,&#34; &#34;target,&#34; &#34;aim,&#34; &#34;should,&#34; &#34;will&#34; &#34;would,&#34; or the negative of these words or other similar expressions, although not all forward-looking statements contain these words. Such statements include, but are not limited to, statements relating to our intended use of proceeds from the offering and production expansion plans. Forward-looking statements are based on the Company's current expectations and are subject to inherent uncertainties, risks and assumptions that are difficult to predict. Further, certain forward-looking statements are based on assumptions as to future events that may not prove to be accurate. These and other risks and uncertainties are set forth in the company's Annual Report on Form 10-K, quarterly reports on Form 10-Q and other filings made with the Securities and Exchange Commission. Forward-looking statements contained in this announcement are made as of this date, and the Company undertakes no duty to update such information except as required under applicable law.

</p><p xmlns="http://www.w3.org/1999/xhtml"><img xmlns="http://www.w3.org/1999/xhtml" alt="" src="https://cts.businesswire.com/ct/CT?id=bwnews&amp;sty=20260424121883r1&amp;sid=benz2&amp;distro=nx&amp;lang=en" style="width:0;height:0"></img><span xmlns="http://www.w3.org/1999/xhtml" class="bwct31415"></span></p><p xmlns="http://www.w3.org/1999/xhtml" id="mmgallerylink"><span xmlns="http://www.w3.org/1999/xhtml" id="mmgallerylink-phrase">View source version on businesswire.com: </span><span xmlns="http://www.w3.org/1999/xhtml" id="mmgallerylink-link"><a xmlns="http://www.w3.org/1999/xhtml" href="https://www.businesswire.com/news/home/20260424121883/en/" rel="nofollow">https://www.businesswire.com/news/home/20260424121883/en/</a></span></p><p xmlns="http://www.w3.org/1999/xhtml">
Gary Fischer
<br xmlns="http://www.w3.org/1999/xhtml"></br>Chief Financial Officer
<br xmlns="http://www.w3.org/1999/xhtml"></br>(510) 438-4700

</p><p xmlns="http://www.w3.org/1999/xhtml">
Leslie Green
<br xmlns="http://www.w3.org/1999/xhtml"></br>Green Communications Consulting, LLC
<br xmlns="http://www.w3.org/1999/xhtml"></br><a xmlns="http://www.w3.org/1999/xhtml" rel="nofollow" href="mailto:leslie@greencommunicationsllc.com" shape="rect">leslie@greencommunicationsllc.com</a>

</p>

AXT, Inc. has successfully raised $82.5 million through a public offering. The funds will enhance production capacity at its subsidiary and support R&D initiatives, positioning AXT favorably in high-demand semiconductor markets.

AXT Announces Exercise of Over-Allotment Option in Public Offering of Common Stock

AI Summary

Sentiment Rationale

Trading Thesis

Market-Moving

Key Facts

Companies Mentioned

Corporate Developments

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