BLACKLINE ANNOUNCES PRICING OF INITIAL PUBLIC OFFERING

LOS ANGELES – October 27, 2016 –BlackLine, Inc., a leading provider of financial controls and automation solutions that enable Continuous Accounting, today announced the pricing of its initial public offering of 8,600,000 shares of its common stock at a price to the public of $17.00 per share. The shares are expected to begin trading on the NASDAQ Global Select Market on October 28,2016 under the ticker symbol “BL.” BlackLine has granted the underwriters a 30-day option to purchase up to 1,290,000 additional shares. The offering is expected to close on November 2, 2016, subject to customary closing conditions.

Goldman, Sachs & Co. and J.P. Morgan are acting as joint book-running managers and Pacific Crest Securities, a division of KeyBanc Capital Markets, Raymond James, William Blair and Baird are acting as co-managers for the offering.

The offering is being made only by means of a prospectus. A copy of the final prospectus may be obtained, when available, from Goldman Sachs & Co., Attn: Prospectus Department, 200 West Street, New York, NY 10282, by telephone at 866) 471-2526, by facsimile at (212) 902-9316 or by email at prospectus-ny@ny.email.gs.com; or J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long IIsland Avenue, Edgewood, NY 11717, by telephone at (866) 803-9204 or by email at prospectus-eq_fi@jpmchase.com.

A registration statement relating to these securities was filed with the SEC and was declared effective on October 27, 2016. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities aws of any such state or jurisdiction.

MEDIA CONTACT:

Ashley Dyer

Public Relations Director

P. 818.936.7166

E: ashley.dyer@blackline.com