Active Power Regains Compliance with NASDAQ Minimum Bid Price Rule

AUSTIN, Texas--(Business Wire)--
Active Power, Inc. (NASDAQ: ACPW) has received notification from the NASDAQ
Listing Qualifications department that the company has regained compliance with
the $1.00 minimum bid price requirement for continued listing set forth in
NASDAQ Listing Rule 5450(a)(1) (the "Minimum Bid Price Rule").

As previously announced on Aug. 18, 2008, NASDAQ notified Active Power that its
common stock failed to maintain a minimum bid price of $1.00 over the previous
30 consecutive business days as required by the Minimum Bid Price Rule. Active
Power was granted a grace period of 180 days in which to regain compliance.
NASDAQ subsequently notified Active Power of suspension of its enforcement of
the Minimum Bid Price Rule, most recently until Dec. 2, 2009. Since the time of
such notifications, the closing bid price of the company`s common stock has been
at $1.00 per share or greater for at least 10 consecutive business days.
Accordingly, the company has regained compliance.

About Active Power

Active Power (NASDAQ: ACPW) provides efficient, reliable and green critical
power solutions and uninterruptible power supply (UPS) systems to enable
business continuity in the event of power disturbances. Founded in 1992, Active
Power`s flywheel-based UPS systems protect critical operations in datacenters,
healthcare facilities, manufacturing plants, broadcast stations and governmental
agencies in more than 40 countries. With expert power system engineers and
worldwide services and support, Active Power ensures organizations have the
power to perform. For more information, please visit www.activepower.com.

Cautionary Note Regarding Forward-Looking Statements

This release may contain forward-looking statements that involve risks and
uncertainties. Any forward-looking statements and all other statements that may
be made in this news release that are not historical facts are subject to a
number of risks and uncertainties, and actual results may differ materially.
Specific risks include delays in new product development, product performance
and quality issues and the acceptance of our current and new products by the
power quality market. Please refer to Active Power filings with the Securities
and Exchange Commission for more information on the risk factors that could
cause actual results to differ.

Active Power and CleanSource are registered trademarks of Active Power, Inc. The
Active Power logo and PowerHouse are trademarks of Active Power, Inc. All other
trademarks are the properties of their respective companies.

Active Power Investor Contact:
Liolios Group
Ron Both, 949-574-3860
ron@liolios.com
or
Active Power Media Contact:
Lee Higgins, 512-744-9488
Public Relations Manager
lhiggins@activepower.com

Copyright Business Wire 2009