Proxy Online

Our 2025 Annual Shareholder's Meeting will be a virtual meeting conducted entirely via the live webcast over the internet. Shareholders may listen to the 2025 Annual Shareholders' Meeting, submit questions and vote online at: www.virtualshareholdermeeting.com/MTEX2025. The Company encourages shareholders to participate virtually.

Further instructions for how to participate are posted at www.shareholdermeeting.com/MTEX2025. If you are having difficulty accessing the webcast, please call 844-986-0822 or 303-562-9202 (International) to speak with a representative from Broadridge Financial Solutions, Inc., the vendor who is providing technical support for the webcast. You will need the control number printed on your proxy card in order to authenticate yourself as a shareholder and gain access to the meeting if you choose to participate virtually.