Alarm.com Holdings, Inc.

2026 Annual Meeting of Stockholders

JUNE 3, 2026 AT 9:00 A.M. EASTERN DAYLIGHT TIME

THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS OF ALARM.COM HOLDINGS, INC.

The undersigned hereby appoints Stephen Trundle and Kevin Bradley, and each or either of them, as the true and lawful attorneys of the undersigned, with full power of substitution and revocation, and authorizes them, and each of them, to vote all the shares of common stock of Alarm.com Holdings, Inc. which the undersigned is entitled to vote at said meeting and any adjournment thereof upon the matters specified and upon such other matters as may be properly brought before the meeting or any adjournment thereof, conferring authority upon such true and lawful attorneys to vote in their discretion on such other matters as may properly come before the meeting and revoking any proxy heretofore given.
This proxy, when properly executed, will be voted in the manner directed herein. If no such direction is made, this proxy will be voted in accordance with the Board of Directors’ recommendations.
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