Press Release

12 October 2022

Tremor International Ltd

("Tremor" or the "Company")

Director Dealings Pursuant to Previously Established Non-Discretionary Plans to Trade Under Rule 10b-5

Tremor International Ltd. (AIM/NASDAQ: TRMR) ("Tremor" or the "Company"), a global leader in Video, Data, and Connected TV ("CTV") advertising offering an end-to-end technology platform that enables advertisers to optimize their campaigns and media partners to maximize yield on their digital advertising inventory, announces that in accordance with the vesting schedule for certain performance stock units over Ordinary Shares of NIS0.01 each in the capital of the Company ("PSUs" and "Ordinary Shares") 675,000 PSUs over Ordinary Shares have vested and been issued to certain Directors of the Company as set out in the table below.

Pursuant to previously established non-discretionary plans to trade in the Company's Ordinary Shares in accordance with the terms of Rule 10b5-1 promulgated under the U.S. Securities Exchange Act of 1934, as amended (the "Rule 10b5-1 Plans"), Ofer Druker, Chief Executive Officer, and Yaniv Carmi, Chief Operating Officer, are expected to sell in the future a portion of such newly issued Ordinary Shares to cover their tax obligations triggered by the vesting of the PSUs. Once such sales of Ordinary Shares occur under the non-discretionary Rule 10b5-1 Plans, such dealings will be reported.

In order to cover the tax obligations triggered by the vesting of RSUs announced on 22 September 2022, Ofer Druker has sold shares (the "Share Sale") of NIS0.01 each in the capital of the Company. Full details of the Share Sale are detailed in the table below.

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About Tremor International

Tremor is a global company offering an end-to-end technology advertising platform, operating across three core capabilities - Video, Data and CTV. Tremor's unique approach is centered on offering a full stack of end-to-end solutions which provides it with a major competitive advantage within the video advertising ecosystem.

Tremor Video helps advertisers deliver impactful brand stories across all screens through the power of innovative video technology combined with advanced audience data and captivating creative content. Tremor Video's innovative video advertising technology has offerings in CTV, in-stream, out-stream and in-app. To learn more, visit  www.tremorvideo.com

Amobee optimizes outcomes for advertisers and media companies, while providing a better consumer experience. Its platform assists customers by furthering their audience development, optimizing their cross-channel performance across all TV, connected TV, and digital media, and driving new customer growth through detailed analytics and reporting. To learn more, visit www.amobee.com

Unruly, the media side of Tremor, drives real business outcomes in multiscreen advertising. Its programmatic platform efficiently and effectively delivers performance, quality, and actionable data to demand and supply-focused clients and partners. Tremor has a meaningful number of direct integrations with premium publishers, unique demand relationships with a variety of advertisers and privileged access to News Corp inventory. Unruly connects to the world's largest DSPs and is compatible with most Ad Age top 100 brands. To learn more, visit  www.unruly.co

Tremor is headquartered in Israel and maintains offices throughout the United States, Canada, Europe, Asia-Pacific and is traded on the London Stock Exchange (AIM: TRMR) and NASDAQ: (TRMR).

For more information, visit:  https://www.tremorinternational.com/