AcuityAds Holdings Inc. 1

TORONTO, ONTARIO–(Marketwired – July 25, 2014) –

NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES

Nathan Mekuz and The Nathan Mekuz Family Trust (collectively, the “Offeror”) announced today that in connection with the completion of AcuityAds Holdings Inc.’s (the “Corporation”) (TSX VENTURE:AT) qualifying transaction with AcuityAds Inc. (the “Transaction”) in accordance with Policy 2.2 of the TSX Venture Exchange Corporate Finance Manual, the Offeror acquired beneficial ownership and control over an aggregate of 3,846,154 common shares of the Corporation (collectively, the “Acquired Shares”). As a result of the Qualifying Transaction, the Offeror was issued one common share of the Corporation in exchange for each common share that it held in the capital of AcuityAds Inc. prior to the Qualifying Transaction. Prior to the completion of the Qualifying Transaction, the Offeror did not hold any securities of the Corporation.

After giving effect to the Qualifying Transaction, the Offeror beneficially owns and controls 3,846,154 common shares of the Corporation, representing approximately 18.54% of the outstanding common shares of the Corporation (based on 20,745,275 common shares of the Corporation stated to be outstanding as of July 16, 2014 in the Corporation’s news release issued on July 16, 2014) and 17.94% of the outstanding common shares of the Corporation on a fully-diluted basis (based on 691,109 stock options to purchase common shares of the Corporation stated to be outstanding as of July 16, 2014 in the Corporation’s news release issued on the same date and 6,289 common share purchase warrants of the Corporation stated to be outstanding as of July 9, 2014 in the Corporation’s filing statement dated as of the same date).

The Acquired Shares were acquired for investment purposes. The Offeror may from time to time acquire additional securities of the Corporation, dispose of some or all of the securities of the Corporation or maintain its current securities position in the Corporation.

This press release is being issued pursuant to National Instrument 62-103 – The Early Warning System and Related Take-Over Bid and Insider Reporting Issuers which requires a report to be filed under the Corporation’s profile on SEDAR (www.sedar.com) containing additional information respecting the foregoing matters. A copy of such report may be obtained by contacting Nathan Mekuz at 416-218-9888.

The name and address of the Offeror filing the report is: