FORTUNE MAGAZINE NAMES BLACKLINE ONE OF THE COUNTRY’S BEST MEDIUM-SIZED WORKPLACES FOR SECOND CONSECUTIVE YEAR

LOS ANGELES – Oct. 18, 2017 – For the second consecutive year, BlackLine, Inc. (Nasdaq: BL) has been named one of the country’s ‘Best Small and Medium Workplaces’, a prestigious ranking recently revealed by consulting firm Great Place to Work® and Fortune magazine. BlackLine took the No. 24 spot on the list of the ‘100 Best Medium Workplaces’ (between 100 and 999 employees) in the United States.

The Best Small & Medium Workplaces rankings are based upon employee feedback to an anonymous Trust Index© survey which focuses on five key areas – Credibility, Respect, Fairness, Pride and Camaraderie – along with a culture audit completed by the company. Of the BlackLine employees who responded to the survey, 95 percent said that BlackLine is a “great place to work” and 96 percent say they are proud to tell others they work here.

Additional insights include:

• 96 percent of respondents believe working at BlackLine provides great challenges

• 97 percent say BlackLine provides a great atmosphere

• 98 percent have great pride in the organization

• 96 percent feel the organization gives them the information they need

• 95 percent feel they have great bosses

The Best Small and Medium Workplaces is one of a series of rankings by Great Place to Work and Fortune based upon employee survey feedback from Great Place to Work-CertifiedTM organizations. The list is currently available online at http://fortune.com/best-medium-workplaces/.

For information about working at BlackLine, including a current list of open positions, please visit www.blackline.com/careers.