X0306 4 2021-08-23 0 0001110611 ON24 INC. ONTF 0000886982 GOLDMAN SACHS GROUP INC 200 WEST STREET NEW YORK NY 10282 0 0 1 0 0000769993 GOLDMAN SACHS & CO. LLC 200 WEST STREET NEW YORK NY 0 0 1 0 0001825522 GSSG Holdings LLC 200 WEST STREET NEW YORK NY 0 0 1 0 0001786430 SPECIAL SITUATIONS INVESTING GROUP II, LLC 200 WEST STREET NEW YORK NY 0 0 1 0 Common Stock 2021-08-23 4 S 0 165257 22.018 D 5190665 I See Footnotes Common Stock 2021-08-24 4 S 0 499300 22.1731 D 4691364 I See Footnotes Common Stock 2021-08-24 4 S 0 700 22.80 D 4690664 I See Footnotes Common Stock 2021-08-25 4 S 0 250000 22.1672 D 4440663 I See Footnotes This statement is being filed by The Goldman Sachs Group, Inc. ("GS Group"), Goldman Sachs & Co. LLC ("Goldman Sachs"), GSSG Holdings LLC ("GSSG"), and Special Situations Investing Group II, LLC ("SSIG", together with GS Group, Goldman Sachs, and GSSG, the "Reporting Persons"). GSSG is a wholly owned subsidiary of GS Group, and SSIG is a wholly owned subsidiary of GSSG. Goldman Sachs is a wholly owned subsidiary of GS Group. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.89 to $22.26, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased or sold at each separate price within the ranges set forth in footnotes (4) through (5) to this Form 4. GS Group may be deemed to beneficially own indirectly, the number of shares of common stock of the Issuer (the "Common Stock") reported as held by SSIG and/or Goldman Sachs, respectively. Goldman Sachs and GS Group may be deemed to beneficially own indirectly, in the aggregate, 4,440,663 shares of the Common Stock of the Issuer by reason of the direct or indirect beneficial ownership of such shares as follows: (i) 4,353,661 shares of Common Stock held by SSIG and (ii) 87,002 shares of Common Stock held by Goldman Sachs. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interests in, such securities for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, or for any other purpose. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.80 to $22.78, inclusive. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.955 to $22.33, inclusive. /s/ Jamison Yardley, Attorney-in-fact 2021-08-26 /s/ Jamison Yardley, Attorney-in-fact 2021-08-26 /s/ Jamison Yardley, Attorney-in-fact 2021-08-26 /s/ Jamison Yardley, Attorney-in-fact 2021-08-26