<div id="readability-page-1"><div><p><span>Manuel Wayne O, Vice President of Avista Corp [AVA], filed a Form 144 on December 16, 2025 with the Securities and Exchange Commission proposing to sell restricted securities:</span></p><div><table><tbody><tr><td><span>Approximate Date Of Sale</span></td><td><span>12/16/25</span></td></tr><tr><td><span>Shares</span></td><td><span>1,785</span></td></tr><tr><td><span>Broker</span></td><td><span>Citigroup Global Markets Inc</span></td></tr></tbody></table></div><p><span>Prior to the sale of restricted stock, owners must file a Form 144 with the SEC.  Upon submission of the filing to the SEC the owner is permitted to sell the shares, or any fraction thereof, within 90 days.</span></p><p><span>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.</span></p><p><span>Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data.</span></p><span> </span></div></div>

<p>Manuel Wayne O, Vice President of Avista Corp, filed a Form 144 with the SEC on December 16, 2025, to sell 1,785 shares of restricted securities through Citigroup Global Markets Inc. The sale can occur within 90 days of the filing.</p>

VP Manuel Files To Sell 1,785 Of Avista Corp [AVA]