PubMatic Announces Closing of Initial Public Offering and Full Exercise of Underwriters’ Option to Purchase Additional Shares REDWOOD CITY, Calif., Dec. 11, 2020 (GLOBE NEWSWIRE) — PubMatic, Inc. (Nasdaq: PUBM) today announced the closing of its initial public offering and the full exercise of the underwriters’ option to purchase 885,000 additional shares of Class A common stock. PubMatic sold 2,655,000 shares of Class A common stock, and certain selling stockholders sold 4,130,000 shares of Class A common stock, including the shares sold upon exercise of the underwriters’ option to purchase additional shares, at a price to the public of $20.00 per share. PubMatic will not receive any proceeds from the sale of shares by the selling stockholders.