Insightful Corporation Announces Agreement to Be Acquired By TIBCO

SEATTLE--(Business Wire)--
Insightful Corporation (NASDAQ:IFUL), a provider of predictive
analytics and reporting solutions, today announced that it has signed
a definitive agreement to be acquired by TIBCO Software Inc.
(NASDAQ:TIBX) in a transaction valued at approximately $25 million,
including the value of certain assumed options. Under the terms of the
agreement, following the closing, Insightful stockholders will receive
$1.87 in cash for each outstanding share of common stock they own.
This price represents a premium of 29% over the average closing price
of Insightful's common stock over the sixty trading day period ending
on June 18, 2008, the last trading day before the date of this
announcement.

The Board of Directors of Insightful has unanimously approved the
agreement and resolved to recommend that Insightful stockholders
approve the transaction. Completion of the transaction is subject to
stockholder approval and other customary closing conditions. Certain
Insightful directors, officers and stockholders, representing
approximately 22% of Insightful's outstanding common stock, have
entered into voting agreements in support of the acquisition. The
transaction is expected to close in the third quarter of 2008.

"Our Board of Directors has evaluated strategic alternatives for
Insightful and has determined that this outcome is in the best
interests of our stockholders," said Jeff Coombs, President and CEO of
Insightful Corporation. "Insightful's board of directors is pleased
that the innovation and hard work of our employees has been validated
and will be extended by the technology portfolio, domain expertise and
market presence of TIBCO."

"This merger is exciting news for Insightful customers," said
Christopher Ahlberg, President of Spotfire, TIBCO's enterprise
analytics division. "We are excited to complement their use of
Insightful products with TIBCO's portfolio for business optimization,
including the Spotfire Enterprise Analytics platform, and to help them
disseminate statistical expertise more pervasively."

After the closing, Insightful will become a wholly-owned
subsidiary of TIBCO and Insightful stock will cease trading.

RBC Capital Markets Corporation acted as exclusive financial
advisor to Insightful. Fenwick & West LLP acted as legal advisor to
Insightful.

About Insightful

Insightful Corporation (NASDAQ:IFUL) is a provider of predictive
analytics and reporting solutions. Insightful products S-PLUS(R),
Insightful Miner(TM) and S-PLUS(R) Enterprise Server allow companies
to perform sophisticated statistical data analysis and data mining and
create high-quality graphics and reports. Insightful has been
delivering industry-leading, high-ROI solutions to thousands of
companies in financial services, life sciences, telecommunications,
and manufacturing, plus government and research institutions, for 20
years. Headquartered in Seattle, Insightful has offices in New York,
North Carolina, the United Kingdom, Switzerland, France and Hong Kong,
with distributors around the world. For more information, visit
www.insightful.com, email info@insightful.com or call 1-800-569-0123.

About TIBCO

TIBCO digitized Wall Street in the '80s with its event-driven
"Information Bus" software, which helped make real-time business a
strategic differentiator in the '90s. Today, TIBCO's infrastructure
software gives customers the ability to constantly innovate by
connecting applications and data in a service-oriented architecture,
streamlining activities through business process management, and
giving people the information and intelligence tools they need to make
faster and smarter decisions, what we call The Power of Now(R). TIBCO
serves more than 3,000 customers around the world with offices in more
than 20 countries and an ecosystem of over 200 partners. Learn more at
www.TIBCO.com.

Securities Law Disclosure

Insightful intends to file with the Securities and Exchange
Commission preliminary and definitive proxy statements and other
relevant materials in connection with the merger. The proxy statement
will be mailed to the stockholders of Insightful. Before making any
voting or investment decision with respect to the merger, investors
and stockholders of Insightful are urged to read the proxy statement
and the other relevant materials when they become available because
they will contain important information about the merger, Insightful
and TIBCO. Investors and security holders may obtain free copies of
these documents (when they are available) and other documents filed
with the Securities and Exchange Commission (the "SEC") at the SEC's
web site at www.sec.gov. In addition, investors and security holders
may obtain free copies of the documents filed with the SEC by
Insightful at Insightful's corporate website at www.insightful.com
(under Investors).

Insightful and its officers and directors may be deemed to be
participants in the solicitation of proxies from Insightful
stockholders with respect to the acquisition. A description of any
interests that these officers and directors have in the acquisition
will be available in the proxy statement. Information concerning
Insightful's directors and executive officers will be set forth in
Insightful's proxy statement for its 2008 annual meeting of
stockholders. These documents are available free of charge at the
SEC's web site at www.sec.gov or at Insightful's corporate website at
www.insightful.com (under Investors).

Insightful Corporation
Richard Barber, 206-283-8802
investor@insightful.com

Copyright Business Wire 2008