root9B Holdings Added To Russell Microcap® Index

COLORADO SPRINGS, Colo., June 26, 2017 /PRNewswire/ -- root9B Holdings Inc. (NASDAQ: RTNB), a leading provider of advanced cybersecurity products, services and training, has been added to the Russell Microcap® Index, effective today. Russell Investments reconstituted its family of U.S. indexes after the close of the U.S. markets on June 23, 2017.

Membership in the Russell Microcap Index remains in place for one year and provides for automatic inclusion in the appropriate growth and value style indexes. Russell determines membership for its equity indexes primarily by objective, market-capitalization rankings and style attributes.

"Joining the Russell Microcap Index is another positive step for root9B," said Eric Hipkins, CEO of root9B Holdings. "We hope that our inclusion in this index will raise our visibility within the investment community, and elevate our industry profile."

"This also comes at an important time in root9B's growth," Mr. Hipkins continued. "As the organization that first introduced proactive HUNT operations to the commercial community, we are continuing to evolve our suite of proprietary products and services, including our advanced ORION platform and unique approach to Manned Information Security. The current cyber threat landscape, especially in the commercial sector, calls for a distinct and holistic approach to assessment and eradication offered by root9B."

For more information on the Russell Microcap(®) Index and the Russell indexes reconstitution, go to the "Russell Reconstitution" section on the FTSE Russell website.

About root9B
Ranked as the #1 Cybersecurity Company by Cybersecurity Ventures, root9B stands in defiance of the unwanted human presence within its clients' networks by attacking the root of the problem--the adversary's ability to gain entry and remain undetected. root9B's application of advanced technology developed through cutting-edge R&D and engineering and refined through relevant, hands-on training is revolutionary. root9B combines next generation technology, tactics development, specialty tools, and deep mission experience. root9B personnel leverage their extensive backgrounds in the U.S. Intelligence Community to conduct advanced vulnerability analysis, penetration testing, digital forensics, incident response, Industrial Control System (ICS) security, and HUNT (Active Adversary Pursuit) engagements on networks worldwide. For more information, visit www.root9B.com.

About root9B Holdings, Inc.
root9B Holdings is a leading provider of Cybersecurity Services for clients ranging from Fortune 100 companies to mid-sized and owner-managed businesses across industries, as well as local, state and federal government agencies. For more information, visit www.root9bholdings.com.

Forward Looking Statements
Certain statements contained in this press release may include forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on the Company's current expectations or beliefs and are subject to uncertainty and changes in circumstances. Actual results may vary materially from those expressed or implied by the statements herein due to changes in economic, business, competitive and/or regulatory factors, and other risks and uncertainties affecting the operation of the Company's business. These risks, uncertainties and contingencies are indicated from time to time in the Company's filings with the Securities and Exchange Commission. The information set forth herein should be read in light of such risks. Further, investors should keep in mind that the Company's financial results in any particular period may not be indicative of future results. The Company is under no obligation to, and expressly disclaims any obligation to, update or alter its forward-looking statements, whether as a result of new information, future events, changes in assumptions or otherwise.

    Media Contact:          Investors:

    Andrew Hoffman          Devin Sullivan

    Zito Partners           The Equity Group Inc.

    908-546-7447            212-836-9608

    andrew@zitopartners.com dsullivan@equityny.com

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SOURCE root9B Holdings, Inc.