Zeta Growth Drivers and Catalysts

A Combination Of Unique Data Assets And A Scalable Business Model Has Resulted In Significant Business Momentum SCALABLE BUSINESS MODEL... 39% $107M in 2Q'21 Revenue vs. $77M in 2Q'20 $11M 2Q'21 Adj. EBITDA1 growth of 106% YTY HIGHLY PREDICTABLE Visibility from recurring and re-occurring revenue + WITH SIGNIFICANT MOMENTUM... BALANCED GROWTH 11%, +350 BPS $299K, +44% Of the 39% YTY Growth in 2Q'21 20.3 Pts New Customer Growth 18.3 Pts Existing Customer Growth Adj. EBITDA Margin¹ and expansion YTY 2Q'21 Scaled Customer2 ARPU and YTY Growth Over $100K || POISED TO ACCELERATE 23% FY'21 Revenue growth guidance excl. FY20 Presidential Cycle Revenue4 $56.5M 77% +43% YTY; FY'21 Adj. EBITDA¹ guidance at the midpoint, 13% Adj. EBITDA Margin¹ up 225 BPS YTY 2Q'21% of Revenue generated directly on the ZMP, up from 74% in 10'21 and 68% FY'20 FACTORIES YTY pipeline growth Strong sales velocity Increasing seller tenure 122% Net Revenue Retention Rate³ 343 OMNICHANNEL GROWTH Scaled Customers² who generate >$100K Revenue on a TTM basis in 2Q'21; up from 336 YE2020 Double Digit YTY Growth in Messaging, CTV, Display/Video and Other Digital Channels SALES ZETA DIVERSE INDUSTRY GROWTH Double Digit YTY revenue growth in 12 out of 15 industry verticals 95%, 1.5 % of Scaled Customers using only 1 of 3 use cases in 2Q'21 Number of channels used per Scaled Customer in 2Q TTM (2019: 1.2, 2020:1.4) 1. Adjusted EBITDA, Adjusted EBITDA Margin are non-GAAP metrics, see reconciliation in Appendix. 2. We define scaled customers as customers from which we generate more than $100,000 of revenue on a trailing twelve-month (TTM) basis. 3. NRR as of Year End 2020. We calculate our NRR rate by dividing current year revenue earned from customers from which we also earned revenue in the prior year, by the prior year revenue from those same customers. 12 4. FY21 Revenue growth as projected is 18% based on midpoint guidance

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